Instant green solutions for roofs, facades and ground cover. As climate change intensifies, cities and buildings must become more resilient to withstand extreme weather, flooding, and heat stress. Sempergreen offers sustainable solutions that restore the balance between people and nature. As your trusted partner in every greening challenge, we are committed to a greener, healthier future. Replanting the planet.
As a grower and supplier of vegetation mats for green roofs and ground cover, pre-cultivated panels for green facades, Sempergreen is known worldwide. Many years of experience, countless projects and our own nurseries worldwide guarantee the best project results.
The ambition of Sempergreen is to create a green and liveable world for today’s and future generations. Green is vital for the earth and for the people and animals that live on it.
Innovative and sustainable green solutions can counteract the effects of climate change and pollution. Together we can make your sustainable building project a success!
Since 1996, Sempergreen has been cultivating top-quality vegetation for green roofs and facades in our own nurseries worldwide.
Our roof vegetation is grown in open fields, allowing plants to develop naturally and build resilience against diverse weather conditions. This ensures strong, durable greenery that thrives on rooftops, contributing to a more sustainable and climate-adaptive environment.
For green facades, we take a different approach. Our pre-cultivated panels grow vertically in climate-controlled greenhouses, mimicking their final placement on buildings. This guarantees well-rooted, healthy plants that transform walls into lush, living facades.
With our expertise and passion for greenery, we make sustainable urban landscapes a reality.
Let’s grow a greener future together!
To become future-proof, cities must be transformed into greener places. However, urban areas tend to have little room for more plants and trees. Sempergreen green roof systems offer the ideal solution in this situation! Green roofs are roofs covered with vegetation. This not only makes a roof more beautiful, but also offers many benefits for the environment, such as reducing heat stress, improving air quality and decrease flood risks. Additionally, they give local biodiversity a boost. Sempergreen’s green roof systems are a durable green solution, easy to install and offering various benefits. This makes them an ideal choice for both residential and commercial buildings.
A green roof offers numerous advantages, both for property owners and society as a whole. As an essential element of climate-resilient construction, it absorbs rainwater, increases the value of a building, and protects the roof from wear and tear. Additionally, green roofs contribute to better air quality and overall well-being, as people feel more comfortable in a green environment than in a grey, concrete landscape.
KEY BENEFITS OF A GREEN ROOF
STORES RAINWATER - REDUCES RUNOFF AND HELPS PREVENT FLOODING.
IMPROVES AIR QUALITY – FILTERS POLLUTANTS AND PRODUCES OXYGEN.
REDUCES NOISE – PROVIDES SOUND INSULATION BOTH INDOORS AND OUTDOORS.
PRESERVES BIODIVERSITY – PROVIDES HABITAT FOR BIRDS, BEES, AND BUTTERFLIES.
CREATES A FIRE-RESISTANT LAYER – REDUCES FIRE RISK BY RETAINING MOISTURE.
GREEN IS GOOD! – ENHANCES WELLBEING AND CREATES A MORE PLEASANT ENVIRONMENT.
PROTECTS AGAINST WIND AND STORMS – INCREASES ROOF STABILITY AND PREVENTS DAMAGE.
SAVES TIME & MONEY – EXTENDS ROOF LIFESPAN, REDUCES ENERGY COSTS, AND LOWERS MAINTENANCE EXPENSES.
HEAT PROTECTION IN SUMMER – KEEPS BUILDINGS COOLER AND REDUCES THE URBAN HEAT ISLAND EFFECT.
PROTECTS THE ROOF MEMBRANE – EXTENDS THE LIFESPAN OF THE ROOFING STRUCTURE.
ENHANCES SOLAR PANEL EFFICIENCY – CREATES A COOLER ENVIRONMENT, IMPROVING SOLAR PANEL PERFORMANCE.
BRINGS PEOPLE TOGETHER – CREATES INVITING GREEN SPACES FOR SOCIAL INTERACTION.
INSTANT GREEN, LOW MAINTENANCE –PROVIDES IMMEDIATE GREENERY WITH MINIMAL UPKEEP.
PROMOTES HEALTH – IMPROVES AIR QUALITY AND REDUCES STRESS FOR BETTER WELL-BEING.
INCREASES PROPERTY VALUE –ENHANCES THE APPEAL AND WORTH OF YOUR BUILDING.
Green roofs come in various forms. Sempergreen specialises in pre-cultivated extensive and semi-intensive green roofs. Extensive roofs are light, low-maintenance and blend in nicely with the natural environment - with Sedum being a popular choice. Semi-intensive roofs offer additional biodiversity, without the maintenance of a real roof garden. A sustainable solution for a greener, climate-adaptive city.
WHY IS SEDUM SO WELL-SUITED FOR EXTENSIVE GREEN ROOFS?
There are several reasons why Sedum is an excellent choice for extensive green roofs:
• Root System: Sedum has shallow roots, making it ideal for the thin substrate layer of an extensive green roof.
• Drought Resistance: Sedum is highly adaptable and can survive dry periods when other plant species would wither. It has the unique ability to recover quickly as soon as moisture becomes available again.
• Low Maintenance: Compared to other plant species, Sedum requires minimal water and upkeep.
• Pest & Disease Resistance: Sedum is rarely affected by diseases or pests, making it a reliable and durable choice.
KEY CHARACTERISTICS OF SEMPERGREEN GREEN ROOFS
Our extensive green roofs are lightweight, lowmaintenance, and suitable for roof slopes from 0 to 45 degrees. The substrate layer ranges from 6 to 15 cm, and the total weight varies from 40 to 150 kg/m² depending on the type of vegetation. A standard Sedum roof weighs around 30 kg/m². For those seeking more variety, a combination of Sedum and herbs is available at up to 150 kg/m².
INSTANT GREEN RESULTS WITH SEMPERGREEN VEGETATION BLANKETS
Planting a green roof with plugs, seeds or cuttings requires a lot of maintenance, especially in the first years. It can take years before the vegetation fully covers the roof. Sempergreen’s pre-grown vegetation mats deliver instant green coverage – with minimal maintenance.
A Traditional Sedum Roof from Sempergreen is a green roof system that can be used on a flat or slightly pitched roof. The build-up of this type of Sedum roof includes a protective cover, drainage, roof garden substrate and a Sempergreen Sedum-mix blanket with 6 to 8 different Sedum species. The roof garden substrate is produced in accordance with FLL guidelines. The substrate layer contains soil life and provides shelter for insects. In this light but nutritious substrate the Sedum plants can develop roots well, so the plants grow and stay strong after installation. This, and the fact that strong Sedum species are used, makes a Traditional Sedum Roof very low maintenance. The Traditional Sedum Roof is available in three different systems, for 0-5, 5-15 and 15-20 degree roof pitches. We offer these different build-ups so that the plants can flourish on each specific roof pitch with the most suitable system layers.
SEMPERGREEN‘S TRADITIONAL GREEN ROOF SYSTEMS
ROOF PITCH:
0˚- 5˚
SYSTEM BUILD-UP THICKNESS: 125 mm
1. SEMPERGREEN SEDUM-MIX BLANKET 30MM
Pre-cultivated Sedum-mix blanket, consisting of a mix of 6 to 8 different types of Sedum. Sempergreen vegetation blankets always have at least 95% coverage upon delivery.
2. ROOF GARDEN SUBSTRATE EXTENSIVE 50MM
Extensive substrate consisting of lava, pumice, and compost. Produced in accordance with FLL guidelines.
3. FILTER FLEECE
Weight 130 gr/m2. Made of polypropylene.
4. DRAINAGE TYPE 540 40MM
Drainage plate with dimpled cores of recycled HIPS (High Impact Polystyrene).
5. PROTECTIVE COVER
Weight 300 gr/m2
Made of recycled fibres.
6. ROOT BARRIER FOIL
Optional; only applicable to roofs without root-resistant roofing material.
ROOF PITCH:
5˚- 15˚
SYSTEM BUILD-UP THICKNESS: 100 mm
SATURATED WEIGHT: 102 kg/m2
WATER BUFFERING CAPACITY: 29 l/m2
1. SEMPERGREEN SEDUM-MIX BLANKET 30MM
Pre-cultivated Sedum-mix blanket, consisting of a mix of 6 to 8 different types of Sedum. Sempergreen vegetation blankets always have at least 95% coverage upon delivery.
2. ROOF GARDEN SUBSTRATE EXTENSIVE 60MM
Extensive substrate consisting of lava, pumice, and compost. Produced in accordance with FLL guidelines.
3. DRAINAGE FLEECE TYPE 8 10MM
Made of recycled PET.
4. ROOT BARRIER FOIL
Optional; only applicable to roofs without rootresistant roofing material.
This foil can be used on flat and slightly pitched roofs (0 to 10 degrees).
ROOF PITCH: 15˚- 20˚
SYSTEM BUILD-UP THICKNESS: 100 mm
SATURATED WEIGHT: 107 kg/m2
WATER BUFFERING CAPACITY: 34 l/m2
1. SEMPERGREEN SEDUM-MIX BLANKET 30MM
Pre-cultivated Sedum-mix blanket, consisting of a mix of 6 to 8 different types of Sedum. Sempergreen vegetation blankets always have at least 95% coverage upon delivery.
2. ROOF GARDEN SUBSTRATE EXTENSIVE 50MM
Extensive substrate consisting of lava, pumice, and compost. Produced in accordance with FLL guidelines.
3. WATER BUFFERING FLEECE B1200
Weight 1200gr/m2. Made of recycled PET and cotton.
CAUTION:
The use of an irrigation system and anti-slip device is recommended for this system construction. The roof covering should be root resistant.
A Lightweight Sedum Roof from Sempergreen is a green roof system for roofs with limited loadbearing capacity. It consists of a drainage layer, a substrate roll, and a Sempergreen Sedummix blanket. Suitable for roofs up to 20 degrees, it can be used on structures like carports and distribution centers.
The substrate roll has a capillary function, allowing rainwater to be efficiently absorbed and retained. This improves water management and reduces the strain on drainage systems. Additionally, the Sedum plants help purify the air and enhance biodiversity. In this way, the Lightweight Sedum Roof offers a sustainable solution for easily greening buildings.
SEMPERGREEN‘S LIGHTWEIGHT GREEN ROOF SYSTEMS
The Lightweight Sedum Roof is available in three different systems, for 0-5, 5-15 and 15-20 degree roof pitches. We offer these different build-ups so that the plants can flourish on each specific roof pitch with the most suitable system layers. A 40mm thick substrate roll is supplied as standard for this system. For roof slopes between 0 and 5 degrees, a 20 mm version is also available. Then, the maximum saturated weight of the system is 40 kg/m².
ROOF PITCH:
0˚- 5˚
SYSTEM BUILD-UP THICKNESS: 70 mm
SATURATED WEIGHT: 40 kg/m2
WATER BUFFERING CAPACITY: 22 l/m2
1. SEMPERGREEN SEDUM-MIX BLANKET 30MM
Pre-cultivated Sedum-mix blanket, consisting of a mix of 6 to 8 different types of Sedum. Sempergreen vegetation blankets always have at least 95% coverage upon delivery.
2. SUBSTRATE ROLL 20MM
Lightweight green roof substrate, made of long mineral wool fibres, which ensures excellent water absorption and retention.
3. DRAINAGE TYPE C20 20MM
Lightweight and flexible composite matting with a drainage core made of looped polypropylene filaments. The top and bottom of the drainage is covered with a filter fleece.
4. ROOT BARRIER FOIL
Optional; only applicable to roofs without root-resistant roofing material.
5˚- 15˚
ROOF PITCH:
5˚- 15˚
SYSTEM BUILD-UP THICKNESS: 80 mm
SATURATED WEIGHT: 60 kg/m2
WATER BUFFERING CAPACITY: 40 l/m2
1. SEMPERGREEN SEDUM-MIX BLANKET 30MM
Pre-cultivated Sedum-mix blanket, consisting of a mix of 6 to 8 different types of Sedum. Sempergreen vegetation blankets always have at least 95% coverage upon delivery.
2. SUBSTRATE ROLL 40MM
Lightweight green roof substrate, made of long mineral wool fibres, which ensures excellent water absorption and retention.
3. DRAINAGE FLEECE TYPE 8 10MM
Made of recycled PET.
4. ROOT BARRIER FOIL
Optional; only applicable to roofs without rootresistant roofing material. This foil can be used on flat and slightly pitched roofs (0 to 10 degrees).
15˚- 20˚
ROOF PITCH: 15˚- 20˚
SYSTEM BUILD-UP THICKNESS: 80 mm
SATURATED WEIGHT: 66 kg/m2
WATER BUFFERING CAPACITY: 45 l/m2
1. SEMPERGREEN SEDUM-MIX BLANKET 30MM
Pre-cultivated Sedum-mix blanket, consisting of a mix of 6 to 8 different types of Sedum. Sempergreen vegetation blankets always have at least 95% coverage upon delivery.
2. SUBSTRATE ROLL 20MM
Lightweight green roof substrate, made of long mineral wool fibres, which ensures excellent water absorption and retention.
3. WATER BUFFERING FLEECE B1200
Weight 1200gr/m2
Made of recycled PET and cotton.
CAUTION:
The use of an irrigation system and anti-slip device is recommended for this system construction. The roof covering should be root resistant.
Sempergreen’s Sedum trays are ready-to-use cassettes made from recycled plastic, filled with a special substrate (a type of soil designed for optimal plant growth), and covered with a mix of six to eight different types of Sedum plants. A complete package in one!
The trays are compact and easy to handle. Simply place them side by side on the roof, and you’re done! Super quick and super clean, making them easy to transport—even through a house. Sedum trays are perfect for hard-to-reach roofs, as well as for carports, garages, verandas, and garden sheds.
SEMPERGREEN‘S GREEN ROOF TRAY SYSTEMS
To provide the right solution for every type of project and various needs, we have developed different Sedum trays. Check out our Click ‘n Go and Click ‘n Go Light systems!
ROOF PITCH*:
0˚- 20˚
SYSTEM BUILD-UP THICKNESS: 105 mm
SATURATED WEIGHT: 83 kg/m2
WATER BUFFERING CAPACITY: 30 l/m2
1. SEMPERGREEN CLICK ‘N GO SEDUMTRAY
Dimensions: 45.0 x 49.5 cm.
Precultivated Sedumtray, made of recycled Polypropylene (PP). This tray is grown with a mix of 6 to 8 different types of Sedum. The plants grow on a substrate layer within the tray. Sedumtrays always have at least 95% coverage upon delivery.
2. PROTECTIVE COVER
Weight 300 gr/m2
Made of recycled fibres.
3. ROOT BARRIER FOIL
Optional; only applicable to roofs without root-resistant roofing material. This foil can be used on flat and slightly pitched roofs (0 to 10 degrees).
*ATTENTION:
At a roof pitch of more than 10 degrees, we recommend the incorporation of anti-shear measures.
ROOF PITCH*:
0˚- 20˚
SYSTEM BUILD-UP THICKNESS: 75 mm SATURATED WEIGHT: 58.3 kg/m2 WATER BUFFERING CAPACITY: 21 l/m2
1. SEMPERGREEN CLICK ‘N GO LIGHT SEDUMTRAY
Dimensions: 37.3 x 57.3 cm.
Precultivated Sedumtray, made of recycled Polypropylene (PP). This lightweight tray is grown with a mix of 6 to 8 different types of Sedum. The plants grow on a substrate layer within the tray. Sedumtrays always have at least 95% coverage upon delivery.
2. PROTECTIVE COVER
Weight 300 gr/m2 Made of recycled fibres.
3. ROOT BARRIER FOIL
Optional; only applicable to roofs without rootresistant roofing material. This foil can be used on flat and slightly pitched roofs (0 to 10 degrees).
*ATTENTION:
At a roof pitch of more than 10 degrees, we recommend the incorporation of anti-shear measures.
The Pitched Green Roof from Sempergreen is a sustainable solution for sloped roofs in residential construction and renovation. It helps regulate temperature, enhances biodiversity, and is available in a vapour-permeable version. Suitable for both new builds and renovations, it offers an ecofriendly alternative to traditional roofing.
Sempergreen offers three systems for pitched roofs, suitable for slopes ranging from 20 to 45 degrees. These systems ensure stability, prevent vegetation shifting, and can even replace traditional roof tiles.
SEMPERGREEN‘S STEEPLY PITCHED GREEN ROOF SYSTEMS
Sempergreen’s pitched green roof systems are available for different roof pitch angles, from 20 to 45 degrees. Fall protection and irrigation are advised to ensure the safety and appropriate maintenance of the system.
SYSTEM BUILD-UP THICKNESS: 95 mm
SATURATED WEIGHT: 51-86 kg/m2 (depending on type of substrate used)
WATER BUFFERING CAPACITY: 20-32 l/m2
1. SEMPERGREEN SEDUM-MIX BLANKET TYPE T 30MM
Pre-cultivated Sedum-mix blanket Type T, consisting of a mix of 6 to 8 different types of Sedum. Both sides of the blanket’s carrier are reinforced with artificial fibre, making it suitable for (very) steep roof surfaces. Sempergreen vegetation blankets always have at least 95% coverage upon delivery.
2. ROOF GARDEN SUBSTRATE EXTENSIVE 65MM
Type and weight of roof garden substrate is dependent on the underlying roof structure. Produced in accordance with FLL guidelines.
3. GREEN ROOF SCALE GDS45
Dimensions 800 x 540 x 65 mm.
Made of polypropylene. Waterproof element. Functions as a substrate holder and anti-shear device.
4. TIMBER COUNTER BATTENS
Dimensions 4 x 6 cm.
5. WATERPROOF VAPOUR-PERMEABLE MEMBRANE
Waterproof breathable film.
ATTENTION:
For this system build-up, the application of an irrigation system is recommended.
COMPLETELY REUSABLE & RECYCLABLE SYSTEM
20˚- 45˚
ROOF PITCH:
20˚- 45˚
SYSTEM BUILD-UP THICKNESS: 90 mm
SATURATED WEIGHT: 100 kg/m2 WATER BUFFERING CAPACITY: 31 l/m2
1. SEMPERGREEN SEDUM-MIX BLANKET TYPE T 30MM
Pre-cultivated Sedum-mix blanket Type T, consisting of a mix of 6 to 8 different types of Sedum. Both sides of the blanket’s carrier are reinforced with artificial fibre, making it suitable for (very) steep roof surfaces. Sempergreen vegetation blankets always have at least 95% coverage upon delivery.
2. ROOF GARDEN SUBSTRATE EXTENSIVE 50MM
Extensive substrate consisting of lava, pumice, and compost. Produced in accordance with FLL guidelines.
3. AA-PANEL S50 50MM
Dimensions: 500 x 500 mm. Made of recycled LDPE/ HDPE. Functions as a substrate holder.
4. WATER BUFFERING FLEECE B1200
Weight 1200 gr/m2
Made of recycled PET and cotton.
ATTENTION:
For this system build-up, the application of an irrigation system and anti-shear measures are recommended. The roofing material should be root-resistant.
ROOF PITCH:
25˚- 60˚
SYSTEM BUILD-UP THICKNESS: 133 mm
SATURATED WEIGHT: 60 kg/m2
WATER BUFFERING CAPACITY: 20 l/m2
1. SEMPERGREEN MGT GREEN ROOF TILE
Size: 425 x 330 mm.
Pre-cultivated roof tile made of recycled Polypropylene (PP) and fibreglass. The roof tile is pre-cultivated with a mix of 6-8 species of Sedum. The Sedum plants grow on a substrate layer inside the roof tile.
Vegetation percentage on delivery: at least 95%.
2. TILE LATH
Size 21 x 45 mm, centre-to-centre 330 mm.
3. TIMBER COUNTER BATTENS
Dimensions 22 x 75 mm.
4. WATERPROOF VAPOUR-PERMEABLE MEMBRANE
Waterproof breathable film.
ATTENTION:
For this system build-up, the application of an irrigation system is recommended.
The biodiversity in Europe is rapidly declining. As humans, we depend on healthy ecosystems. These cannot exist without high biodiversity. This is because healthy ecosystems provide necessities such as clean air, drinking water and food. The loss of biodiversity is partly due to the reduction and fragmentation of natural habitats by construction. It is therefore of great importance to green cities, villages and industrial areas and build nature-inclusive properties. This will give local biodiversity a boost.
The Biodiverse Green Roof consists of a drainage layer and a layer of intensive roof garden substrate of at least 120 mm thick, covered with a flower-filled Sempergreen Biodiverse blanket. This Biodiverse blanket Bees & Butterflies is cultivated with a mix of more than 20 plants attractive to bees, butterflies and other insects.
In addition to the Biodiverse Green Roof, Sempergreen also offers a lightweight variant: the Lightweight Biodiverse Green Roof. These systems can be used on roofs with a roof pitch of up to 15 or even 20 degrees.
ROOF PITCH: 0˚- 5˚
SYSTEM BUILD-UP THICKNESS:
1. SEMPERGREEN BIODIVERSE BLANKET BEES & BUTTERFLIES 40MM
Pre-cultivated Biodiverse blanket Bees & Butterflies, grown with a mix of over 20 different types of plants and herbs. In addition to nectar, this biodiverse vegetation blanket includes a number of host plants that are important for butterflies. Sempergreen vegetation blankets always have at least 95% coverage upon delivery.
2. ROOF GARDEN SUBSTRATE INTENSIVE 120MM
Intensive substrate consisting of lava, pumice, and compost. Produced in accordance with FLL guidelines.
3. DRAINAGE TYPE 20R 20MM
Drainage sheet made of recycled polyethylene (HDPE). The top of the sheet is covered with a filter fleece.
4. PROTECTIVE COVER
Weight 300 gr/m2. Made of recycled fibres.
5. ROOT BARRIER FOIL
Optional; only applicable to roofs without root-resistant roofing material.
NEW! Is your roof unable to support the weight of a biodiverse green roof? We have developed a new construction that allows biodiverse planting from 108 kg/m²! Curious about how this system works? Contact us and we will be happy to advise you on your roof project!
ROOF PITCH:
0˚- 5˚
SYSTEM BUILD-UP THICKNESS: 140 mm
SATURATED WEIGHT: 129 kg/m2
WATER BUFFERING CAPACITY: 46 l/m2
1. SEMPERGREEN BIODIVERSE BLANKET SEDUM-HERBS 40MM
Pre-cultivated Biodiverse blanket Sedum-herbs, grown with a mix of 30 different types of herbs and 12 types of Sedum. Sempergreen vegetation blankets always have at least 95% coverage upon delivery.
2. ROOF GARDEN SUBSTRATE EXTENSIVE 70MM
Extensive substrate consisting of lava, pumice, and compost. Produced in accordance with FLL guidelines.
3. FILTER FLEECE
Weight 130 gr/m2
Made of polypropylene.
4. DRAINAGE TYPE 525 25MM
Drainage plate with dimpled cores of recycled HIPS (High Impact Polystyrene).
5. PROTECTIVE COVER
Weight 300 gr/m2. Made of recycled fibres.
6. ROOT BARRIER FOIL
Optional; only applicable to roofs without rootresistant roofing material.
ROOF PITCH:
5˚- 15˚
SYSTEM BUILD-UP THICKNESS: 200 mm
SATURATED WEIGHT: 256.8 kg/m2
WATER BUFFERING CAPACITY: 91 l/m2
1. SEMPERGREEN BIODIVERSE BLANKET BEES & BUTTERFLIES 40MM
Pre-cultivated Biodiverse blanket Bees & Butterflies, grown with a mix of over 20 different types of plants and herbs.
In addition to nectar, this biodiverse vegetation blanket includes a number of host plants that are important for butterflies. Sempergreen vegetation blankets always have at least 95% coverage upon delivery.
2. ROOF GARDEN SUBSTRATE INTENSIVE 120MM
Intensive substrate consisting of lava, pumice, and compost. Produced in accordance with FLL guidelines.
3. DRAINAGE FLEECE TYPE 8 10 MM
Made of recycled PET.
4. ROOT BARRIER FOIL
Optional; only applicable to roofs without root-resistant roofing material. Only applicable on a roof pitch of 0 to 10˚.
ROOF PITCH: 5˚- 15˚
SYSTEM BUILD-UP THICKNESS: 130 mm
SATURATED WEIGHT: 132 kg/m2
WATER BUFFERING CAPACITY: 40 l/m2
1. SEMPERGREEN BIODIVERSE BLANKET SEDUM-HERBS 40MM
Pre-cultivated Biodiverse blanket Sedum-herbs, grown with a mix of 30 different types of herbs and 12 types of Sedum. Sempergreen vegetation blankets always have at least 95% coverage upon delivery.
2. ROOF GARDEN SUBSTRATE EXTENSIVE 70MM
Extensive substrate consisting of lava, pumice, and compost. Produced in accordance with FLL guidelines.
3. DRAINAGE FLEECE TYPE 8 10 MM
Made of recycled PET.
4. ROOT BARRIER FOIL
Optional; only applicable to roofs without rootresistant roofing material. Only applicable on a roof pitch of 0 to 10˚.
ROOF PITCH:
15˚- 20˚
SYSTEM BUILD-UP THICKNESS: 130 mm
SATURATED WEIGHT: 146 kg/m2
WATER BUFFERING CAPACITY: 45 l/m2
1. SEMPERGREEN BIODIVERSE BLANKET SEDUM-HERBS 40MM
Pre-cultivated Biodiverse blanket Sedum-herbs, grown with a mix of 30 different types of herbs and 12 types of Sedum. Sempergreen vegetation blankets always have at least 95% coverage upon delivery.
2. ROOF GARDEN SUBSTRATE EXTENSIVE 70MM
Extensive substrate consisting of lava, pumice, and compost. Produced in accordance with FLL guidelines.
3. AA-PANEL S50 50MM
Dimensions: 500 x 500 mm. Made of recycled LDPE/ HDPE. Functions as a substrate holder.
4. WATER BUFFERING FLEECE B1200
Weight 1200 gr/m2 Made of recycled PET and cotton.
Renewable energy has never been more important. Demand for it continues to grow, and in both new builds and renovations, the installation of solar panels will become mandatory for more and more building owners. For users, the efficiency of solar panels is very important. With a Solar Green Roof, you kill two birds with one stone: sustainable energy generation and greening your building! Moreover, the combination of a green roof under the solar panels can increase the yield of the solar panels by up to 40%. Harmony between green and energy, that’s a green effect!
Sempergreen offers two types of solar on green roofs: a ballasted system with Sedum or Biodiverse plants for roofs with higher load-bearing capacity, and a lightweight system with vertical bifacial solar panels, ideal for roofs with limited load capacity.
ROOF PITCH: 0˚- 5˚
SYSTEM BUILD-UP THICKNESS: from 105 mm
SATURATED WEIGHT: from 80 kg/m2 (excl. PV panels)
WATER BUFFERING CAPACITY: from 20 l/m2
1. SEMPERGREEN SOLAR STAND, EXCL. PV PANEL
Consisting of a base plate (see nr 4), profile holder and mounting profiles. Incl. mounting clamps for the PV panels. The PV panels can be placed in both Landscape and Portrait positions in various orientations (South/East/ West) and angles of inclination (10˚ and 15˚).
2. SEMPERGREEN SEDUM-MIX BLANKET 30MM
Pre-cultivated Sedum-mix blanket, consisting of a mix of 6 to 8 different types of Sedum. Sempergreen vegetation blankets always have at least 95% coverage upon delivery.
3. ROOF GARDEN SUBSTRATE FROM 60MM
The thickness and type of roof garden substrate are determined by the wind load calculation and ballast plan. Produced in accordance with FLL guidelines.
4. BASE PLATE SEMPERGREEN SOLAR STAND 60MM
Dimensions 1980x980x60mm (LxWxH). Made of recycled HDPE with screw thread for attaching the profile holder. Installation in accordance with the grid plan and instructions.
5. DRAINAGE TYPE 10C 10MM
Sheet with dimpled cores made of recycled HDPE. Covered with a polypropylene filter fleece bonded to the top side of the sheet.
6. PROTECTIVE COVER
Weight 300 gr/m2. Made of recycled fibres.
7. ROOT BARRIER FOIL
Optional; only applicable to roofs without root-resistant roofing material.
ROOF PITCH:
0˚- 5˚
SYSTEM BUILD-UP THICKNESS: from 125 mm
SATURATED WEIGHT: from 100 kg/m2 (excl. PV panels)
WATER BUFFERING CAPACITY: from 25 l/m2
1. SEMPERGREEN SOLAR STAND, EXCL. PV PANEL
Consisting of a base plate (see nr 4), profile holder and mounting profiles. Incl. mounting clamps for the PV panels. The PV panels can be placed in both Landscape and Portrait positions in various orientations (South/East/ West) and angles of inclination (10˚ and 15˚).
2. SEMPERGREEN BIODIVERSE BLANKET
SEDUM-HERBS 40MM
Pre-cultivated Biodiverse blanket Sedum-herbs, grown with a mix of 30 different types of herbs and 12 types of Sedum. Sempergreen vegetation blankets always have at least 95% coverage upon delivery.
3. ROOF GARDEN SUBSTRATE FROM 60MM
The thickness and type of roof garden substrate are determined by the wind load calculation and ballast plan. Produced in accordance with FLL guidelines.
4. BASE PLATE SEMPERGREEN SOLAR STAND 60MM
Dimensions 1980x980x60mm (LxWxH). Made of recycled HDPE with screw thread for attaching the profile holder. Installation in accordance with the grid plan and instructions.
5. DRAINAGE TYPE 10C 10MM
Sheet with dimpled cores made of recycled HDPE. Covered with a polypropylene filter fleece bonded to the top side of the sheet.
6. PROTECTIVE COVER
Weight 300 gr/m2. Made of recycled fibres.
7. ROOT BARRIER FOIL
Optional; only applicable to roofs without root-resistant roofing material.
0˚ - 5˚
ROOF PITCH:
0˚- 5˚
SYSTEM BUILD-UP THICKNESS: 410 mm (incl. VPV unit)
SATURATED WEIGHT: 51 kg/m2
WATER BUFFERING CAPACITY: 22 l/m2
1. OVER EASY SOLAR VPV UNIT 340MM
Lightweight Solar unit consisting of 4 vertical bifacial PV modules on a structural frame, incl. electrical cabling and junction box. Dimensions: 1580x1496x340 mm (LxWxH). Ballast free Plug & Play units which can be placed on the green roof system without mechanical fastening to the roof covering.
2. SEMPERGREEN SEDUM-MIX BLANKET 30MM
Pre-cultivated Sedum-mix blanket, consisting of a mix of 6 to 8 different types of Sedum. Sempergreen vegetation blankets always have at least 95% coverage upon delivery.
3. SUBSTRATE ROLL 20MM
Lightweight green roof substrate, made of long mineral wool fibres, which ensures excellent water absorption and retention.
4. DRAINAGE TYPE C20 20MM
Lightweight and flexible composite matting with a drainage core made of looped polypropylene filaments. The top and bottom of the drainage is covered with a filter fleece.
5. ROOT BARRIER FOIL
Optional; only applicable to roofs without root-resistant roofing material.
THE MOST LIGHTWEIGHT SOLAR GREEN ROOF
Due to climate change, we increasingly face extreme weather events where a lot of rain falls within a short period of time. However, our sewers can’t handle this, leading to more frequent street flooding during and after heavy rain. Blue-green roofs, such as Detention and Retention Roofs, are an ideal solution to combat this water problem. Let’s collect rainwater where it falls first; on the roof!
Sempergreen’s blue-green roofs are suitable for larger roofs, from 50 m2. For new construction projects the Retention Roof is very suitable. Existing and renovated roofs can be transformed into water roofs with the Detention Roof system. Based on a water calculation we can determine exactly what the Detention or Retention Roof can do for your project.
SEMPERGREEN‘S BLUE-GREEN ROOF SYSTEMS
Sempergreen offers two water-storing green roof systems for flat roofs and roofs with a low slope: the Detention Roof and two types of Retention Roofs.
Type of Detention Roof
1. SEMPERGREEN SEDUM-MIX BLANKET 30MM
Pre-cultivated Sedum-mix blanket, consisting of a mix of 6 to 8 different types of Sedum. Sempergreen vegetation blankets always have at least 95% coverage upon delivery.
2. SUBSTRATE ROLL 40MM
Lightweight green roof substrate, made of long mineral wool fibres, which ensures excellent water absorption and retention. Thanks to its unique capillary effect, rainwater first spreads horizontally.
3. STORAGE LAYER HC40 or HC60 40-60MM*
Consisting of small diameter, solid-wall tubes, vertically oriented, fused as a panel. This storage layer serves as a temporary water column during heavy rainfall. The storage layer is covered with filter fleece at the top and bottom sides.
*For specifications, see the table above.
4. DETENTION LAYER T5 5MM
Made of sustainable recycled polyester. A threedimensional layer in which thousands of threads are machine-stitched side by side. The stitches create friction, pushing the water column upwards to the overlying storage layer.
5. ROOT BARRIER FOIL
Optional; only applicable to roofs without root-resistant roofing material.
ROOF SOLUTION FOR ROOFS WITH A SLOPE
1. SEMPERGREEN SEDUM-MIX BLANKET 30MM
Pre-cultivated Sedum-mix blanket, consisting of a mix of 6 to 8 different types of Sedum. Sempergreen vegetation blankets always have at least 95% coverage upon delivery.
2. ROOF GARDEN SUBSTRATE EXTENSIVE 50MM
Extensive substrate consisting of lava, pumice, and compost. Produced in accordance with FLL guidelines.
3. FILTER FLEECE
Weight 130 gr/m2. Made of polypropylene.
4. WATER RETENTION BOX 50-150 MM*
Made of recycled polypropylene (PP). The Water Retention Boxes can be linked together with cross connectors. Storage capacity: 95%.
*Depending on what storage volume is necessary, the Water Retention Boxes are available in heights of 50, 65, 80, 100 or 150 mm. For specifications, see the table above.
5. PROTECTIVE COVER
Weight 500 gr/m2. Made of recycled fibres.
6. ROOT BARRIER FOIL
Optional;
ROOF PITCH:
SYSTEM BUILD-UP THICKNESS: 166 mm SATURATED WEIGHT: 168 kg/m2 WATER BUFFERING CAPACITY: 25 l/m2 WATER STORAGE CAPACITY: 76 l/m2
1. SEMPERGREEN SEDUM-MIX BLANKET 30MM
Pre-cultivated Sedum-mix blanket, consisting of a mix of 6 to 8 different types of Sedum. Sempergreen vegetation blankets always have at least 95% coverage upon delivery.
2. ROOF GARDEN SUBSTRATE EXTENSIVE 50MM
Extensive substrate consisting of lava, pumice, and compost. Produced in accordance with FLL guidelines.
3. FILTER FLEECE
Weight 130 gr/m2. Made of polypropylene.
4. WATER RETENTION PLATE Q80 80MM
Made of 100% recycled HIPS.
Eggshell-shaped cups contain space for temporary water storage on the roof. Storage capacity: 95%.
5. PROTECTIVE COVER
Weight 300 gr/m2 Made of recycled fibres.
6. ROOT BARRIER FOIL
Optional; only applicable to roofs without root-resistant roofing material.
The Sempergreen Sedum-mix mat contains 6 to 8 of 12 possible Sedum species, grown on a coconut fiber mat with Sempergreen substrate, and is at least 95% covered upon delivery. Sedum stores water in its leaves, making it resilient to various weather conditions. Delivered rolled on a pallet, it suits roofs up to a 20-degree slope in sunny or semi-sunny locations.
Coverage 95%
Weight when dry approx. 18 kg/blanket, 15 kg/m2
Saturated weight approx. 24 kg/blanket, 20 kg/m2
Thickness vegetation blanket 2 - 4 cm
Max. vegetation height 30 cm
Standard size 60 cm x 200 cm
Other dimensions possible. Max. roll length: 20 m.
Pull strength approx. 10 kN/m2
M2 per pallet max. 50 m2
Dimensions pallet 130 cm x 110 cm
Type of roof garden substrate extensive
The Sempergreen Sedum-mix blanket Type T contains at least 12 Sedum species, with 6 to 8 varieties in every delivery. Reinforced with artificial fiber, it is ideal for steep surfaces and provides at least 95% coverage upon delivery. Delivered rolled on a pallet, it suits roofs with a 20 to 45-degree pitch in sunny or semi-shaded locations.
Coverage 95%
Weight when dry approx. 18 kg/blanket, 15 kg/m2
Saturated weight approx. 24 kg/blanket, 20 kg/m2
Thickness vegetation blanket 2 - 4 cm
Max. vegetation height 30 cm
Standard size 60 cm x 200 cm
Other dimensions possible. Max. roll length: 20 m.
Pull strength approx. 10 kN/m2
M2 per pallet max. 50 m2
Dimensions pallet 130 cm x 110 cm
Type of roof garden substrate extensive
The Sempergreen Biodiverse blanket Sedum-herbs contains at least 12 Sedum and 30 herb species, with at least 60% of the mix present in every delivery. It offers diverse flowering periods from spring to autumn, supporting bees, butterflies, and caterpillars. Delivered rolled on a pallet, it suits roofs up to a 20-degree slope in sunny or semi-shaded locations.
Coverage 95%
Weight when dry 18 - 24 kg/blanket 15 - 20 kg/m2
Saturated weight 24 - 30 kg/blanket 20 - 25 kg/m2
Thickness vegetation blanket 3 - 6 cm
Max. vegetation height 80 cm
Standard size 60 cm x 200 cm
Other dimensions possible upon request M2 per pallet max. 40 m2
Dimensions pallet 130 cm x 110 cm
Type of roof garden substrate extensive
The Sempergreen Biodiverse blanket Bees & Butterflies contains at least 20 flowering plant and herb species, with at least 60% of the mix present in every delivery. It supports bees and butterflies with nectar and host plants, grown entirely pesticide-free. Delivered rolled on a pallet, it suits roofs up to a 15-degree slope in sunny or semi-shaded locations.
Coverage 95%
Weight when dry 18 - 24 kg/blanket 15 - 20 kg/m2
Saturated weight 24 - 30 kg/blanket 20 - 25 kg/m2
Thickness vegetation blanket 3 - 5 cm
Max. vegetation height 65 cm
Standard size 60 cm x 200 cm
M2 per pallet max. 40 m2
Dimensions pallet 130 cm x 110 cm
Type of roof garden substrate intensive
The Sempergreen Click ‘n Go Sedumtray is a recycled Polypropylene (PP) container cultivated with at least 12 Sedum species, with 6 to 8 varieties in every delivery and 95% coverage upon arrival. Suitable for roofs with a 0 to 45-degree slope, the ready-to-use trays click together for easy installation and thrive in sunny or semi-shaded locations.
Coverage 95%
Weight when dry approx. 12 kg/tray, 53 kg/m2
Saturated weight approx. 18 kg/tray, 80 kg/m2
Water buffering capacity 27 l/m2
Height excl. vegetation 8 cm
Height incl. vegetation 10 - 12 cm
Dimensions 45 x 49.5 cm
For the outer row of trays, please take into account a size of 49.5 x 49.5 cm per tray during installation.
Trays per m2 4.4 items
Trays / m2 per pallet 58 items / 13.12 m2
Dimensions pallet 100 cm x 100 cm
The Sempergreen Click ‘n Go Light Sedumtray is a recycled Polypropylene (PP) container cultivated with at least 12 Sedum species, with 6 to 8 varieties per delivery and 95% coverage upon arrival.
Suitable for roofs with a 0 to 20-degree slope, the lightweight trays click together for easy installation and thrive in sunny or semi-shaded locations.
Coverage 95%
Weight when dry approx. 8 kg/tray, 37 kg/m2
Saturated weight approx. 11.7 kg/tray, 55 kg/m2
Water buffering capacity 18 l/m2
Height excl. vegetation 5 cm
Height incl. vegetation 7 - 9 cm
Dimensions 37.3 x 57.3 cm
For the outer row of trays, please take into account a size of 39 x 59 cm per tray during installation.
Trays per m2 4.68 items
Trays / m2 per pallet 95 items / 20.30 m2
Dimensions pallet 120 cm x 100 cm
The Sempergreen Biodiversity Package Small, developed with Dutch Butterfly Conservation, enhances biodiversity on extensive green roofs by providing food, shelter, and nesting spaces for birds, bees, butterflies, and insects. Suitable for roofs up to a 10-degree pitch, it requires just 2 m² of space and includes plants, an insect hotel, substrate, sand, gravel, a river boulder, and oak logs.
Required roof area 2 m2
Weight when dry approx. 180 kg
Saturated weight approx. 240 kg
Dimensions pallet 80 cm x 120 cm
Installation guidelines download on website
For larger roofs we also offer the Biodiversity Package Large, which can be installed on 6 m2.
The Sempergreen Biodiversity Package Small has been created in collaboration with:
The Sempergreen Biodiversity Package Large, developed with Dutch Butterfly Conservation, enhances biodiversity on extensive green roofs by providing food, shelter, and nesting spaces for birds, bees, butterflies, and insects. Suitable for roofs up to a 10-degree slope, it requires 6 m² of space and includes a biodiverse plant selection, insect hotel, substrate, sand, gravel, river boulders, and oak logs.
Required roof area 6 m2
Weight when dry approx. 500 kg
Saturated weight approx. 640 - 680 kg
Dimensions pallet 80 cm x 120 cm
Installation guidelines download on website
For smaller roofs we also offer the Biodiversity Package Small, which can be installed on 2 m2
The Sempergreen Biodiversity Package Large has been created in collaboration with:
Sempergreen Roof Garden Substrate Terra is a circular substrate made from crushed brick, clay granules, and organic material, produced according to VBB-FLL guidelines. Available in Extensive (ideal for Sedum and sloped roofs) and Intensive (suitable for wildflowers and herbs), both offer excellent water permeability. Supplied in 20L bags and 1m³ big bags.
Sempergreen Roof Garden Substrate is a highquality growth medium made of lava, pumice, and organic matter, produced according to FLL guidelines. Available in Extensive (ideal for Sedum and sloped roofs) and Intensive (suitable for wildflowers and herbs), both offer excellent drainage and plant support. Supplied in 20L bags or 1m³ big bags, with options for blowing or tipping installation.
Sempergreen Roof Garden Substrate Extensive Pearl Light is a lightweight substrate made from perlite, frozen black peat, and compost, produced according to FLL guidelines and RHP certified. Ideal for extensive green roofs with Sedum, it offers excellent water permeability and is suitable for roofs with lower load-bearing capacity, including steeply pitched systems. Available in 20L bags and 1m³ big bags, with options for blowing or tipping installation.
The Sempergreen Substrate Roll is a lightweight alternative to traditional green roof substrates, made from needle-punched mineral wool. Its unique fibre structure gives it exceptional waterabsorbing capacity—up to eight times its own weight, even after drying out—making it an ideal foundation for extensive green roofs where weight and water retention are key. Available in 20 mm and 40 mm thicknesses.
A balloon leaf guard is placed in a recessed roof outlet in a flat roof. The stainless steel leaf guard prevents gravel entering the downpipe. If also prevents leaves and other debris from entering the drain. ø 80-100 mm.
The leaf trap is made from rigid and durable LDPE material, designed to withstand all weather conditions. It prevents leaves and other debris from entering the roof drainage system, helping to maintain optimal water flow. Each leaf trap is supplied individually and can be easily attached to the rainwater outlet using a simple clamp mechanism. To ensure proper drainage, the leaf trap should be cleaned regularly during roof maintenance.
Sedum Conditioner is a controlled-release NPK fertiliser. The coating ensures a gradual and controlled release of the nutrients. The main components are nitrogen (N), phosphorus (P) and potassium (K) (16-3-20). Besides the NPK-ratio Sedum Conditioner also includes magnesium and trace elements. Boosting Sedum growth for up to 9 months.
Pellet size 2 - 4 mm
Available in buckets 1 kg 5 kg 20 kg
Sedum Nutrition is a 100% organic unique and complete compound nutrient product developed for the maintenance of vegetation blankets and trays with Sedum plants. The main components are nitrogen (N), phosphate (P) and potassium (K) (4-47). In addition to NPK, it also contains magnesium and trace elements.
Colour Brown / beige
Available in buckets of 1 kg 5 kg 20 kg
Sedum Stronger is a fast-acting fertiliser that is supplied as a PK fertiliser; containing phosphorus (P2O5) and potassium (K2O). In addition to the PK-ratio (0-3-9) Sedum Stronger also includes a Growth-Stimulator. This composition offers all required nutrients for the development of healthy, productive plants.
Pellet size 2 - 8 mm
Available in buckets of 1 kg 5 kg 20 kg
Drainage type 10C is a drainage sheet with dimpled cores made of recycled HDPE. The sheet is covered with a polypropylene filter fleece (100 gr/m2) bonded to the top side of the sheet, with an overlap of 10 cm on one side.
Weight 700 gr/m2
Thickness 10 mm
Compressive strength approx. 420 kN/m2
Size 1 2 m x 12.5 m
Number of m2 per pallet 150 m2
Size 2 2 m x 15 m
Number of m2 per pallet 180 m2
Drainage type 20R is a drainage sheet with dimpled cores made of recycled polyethylene (HDPE). At the top side the sheet is covered with a laminated non-woven polypropylene (PP) filter fleece.
Weight
0.9 kg/m2, 14.5 kg/roll
Water reservoir 4.5 l/m2
Saturated weight 5.4 kg/m2
Thickness 20 mm
Compressive strength approx. 100 kN/m2
Standard size 1.05 m x 15 m
Number of m2 per pallet 126 m2 (8 rolls)
Drainage type 525 is a drainage plate with dimpled cores of recycled HIPS (High Impact Polystyrene). On the bottom side there are drainage systems for rainwater drainage.
Weight 1.35 kg/m2
Thickness approx. 25 mm
Compressive strength approx. 479 kN/m2
Dimensions 2.02 m x 1.10 m
Water reservoir 12 l/m2
Water drainage capacity 4.12 l/m/s
Drainage type 525D is a drainage plate with dimpled cores of recycled HIPS (High Impact Polystyrene). During installation the plates need to overlap with one wave. A loss of 3% due to the overlap should be taken into account.
Weight 1.15 kg/m2
Thickness approx. 25 mm
Compressive strength approx. 241.5 kN/m2
Dimensions 2.02 m x 1.10 m
Water reservoir 12 l/m2
Water drainage capacity 4.12 l/m/s
Weight 1.96 kg/m2
Thickness approx. 40 mm
Compressive strength unfilled approx. 338 kN/m2
Compressive strength filled approx. 588 kN/m2
In-fill volume 22.75 l/m2
Dimensions 2.04 m x 1.04 m
Water reservoir 19.59 l/m2
Rainwater retention capacity 1% = 0.70 l/(mxs) 2% = 1.01 l/(mxs) 3% = 1.25 l/(mxs) 5% = 1.63 l/(mxs)
Number of m2 per pallet
275.6 m2
Weight 2.2 kg/m2
Thickness approx. 60 mm
Compressive strength unfilled approx. 122 kN/m2
Compressive strength filled approx. 1320 kN/m2
In-fill volume 40 l/m2
Dimensions 1.98 m x 0.94 m
Water reservoir 30.45 l/m2
Rainwater retention capacity 2% = 2.06 l/(mxs) 5% = 3.34 l/(mxs) 10% = 4.81 l/(mxs)
Number of m2 per pallet
263.9 m2
Drainage type C20 is a three-dimensional, lightweight and flexible composite matting made up of a drainage core of looped polypropylene filaments.
Weight 430 gr/m2
Thickness ca. 20 mm (at 2kPa)
Colour grey, black
Tensile strength 1.5 kN/m (MD)
Water drainage capacity 0.6 l/m/s at i=0.01 at 1kPa
Standard roll size 1 m x 50 m
Excluding 10 cm filter overlap.
Drainage type 2D is a CE-certified drainage sheet with dimpled cores made of recycled highdensity polyethylene (HDPE).
Weight 940 gr/m2
Thickness approx. 20 mm
Compressive strength approx. 160 kN/m2
Roll dimensions 2.0 x 12.5 m
Roll diameter 0.55 m
Water reservoir 6.0 l/m2
Water drainage capacity 7.5 l/(m*s)
Saturated weight 6.94 kg/m2
Number of m2 per pallet 100 m2 (4 rolls)
Fleece made of 100% recycled PET, with drainage channels at the bottom that run in one direction. The fleece also acts as protection for the roofing material and as a filter for the water and water reservoir. Can be applied on slopes of up to 45 degrees, depending on the necessary water buffering capacity and the roof structure.
Weight 1.1 kg/m2
Thickness approx. 10 mm
Water storage capacity approx. 6 l/m2
Dimensions 2 m x 20 m
Roll diameter 0.6 m
The LDPE root barrier foil is applied to make a roof without root-resistant roof covering, still rootresistant. The roof is not made waterproof by the use of this foil.
Standaard thickness 0.5 mm
Standaard size 6 m x 20 m
Other thicknesses 0.2 mm 1.0 mm
Other sizes
8 m x 50 m 4 m x 50 m
Other sizes available upon request
The filter fleece is applied as a separation between the drainage layer and the roof garden substrate. It prevents fine particles of soil from filling the drainage. This helps to keep the water buffering function of the drainage intact. The filter fleece can be applied on slopes of up to 45 degrees.
Weight
130 gr/m2
150 gr/m2
Also available in 90, 200 or 500 gr/m2 upon request
Roll width 2 m
Roll length 100 m
The protective cover can be installed on sloping surfaces of up to 45 degrees (depending on the system build-up) and functions as a protective layer on the roof. The protective cover has no draining function.
Weight
300 gr/m2
Standard roll width 2 m
Standard roll lenght 50 m
Water capacity 3 l/m2
Height approx. 5 mm
Shaded gravel with an average particle size of 16 - 32 mm. Gravel can be applied to create a vegetation-free zone on the roof. Gravel also keeps substrate and other small materials away from the roof drain. Using gravel in this way will prevent the drain from becoming blocked.
Partical size 16 - 32 mm
Weight ca. 1500 kg/m3
Avaiable in:
Bags
Big bags 20 kg 1500 kg
Olivine is a mineral rock with the unique property of extracting CO2 from the atmosphere. By using the decorative gravel around the edges of a green roof, it contributes even more to cleaner and healthier air.
1 kg of Olivine extracts 1 kg CO2!
Particle size 16 - 32 mm
Weight ca. 1600 kg/m3
Avaiable in:
Bags
Big bags 20 kg 1600 kg
Peach stones are durable hardwood pits from peaches, ideal for vegetation-free zones on green roofs. They offer a warm look, last 30+ years, and resist moisture, mold, rot, and algae. Each kg stores 1.8 kg CO2 for decades, while their light weight reduces transport emissions.
Peach stones are a 100% natural (residual) material!
Weight 500 kg/m3
Available in:
Bags
Mini big bags
Big bags
20 litres / 10 kg
300 litres / 150 kg
1000 litres / 500 kg
The roof edge profile 40/60 is an aluminium L-profile for roofs without mounting curb. This roof edge profile can also be applied as a separation profile between a vegetation-free zone, vegetation and substrate. With this, it forms a separation to prevent leaching of the substrate.
Length
The roof edge profile 80/100 is an aluminium L-profile for roofs without mounting curb. This roof edge profile can also be applied as a separation profile between a vegetation-free zone, vegetation and substrate. With this, it forms a separation to prevent leaching of the substrate.
The Separation profile 40/60 is an L-shaped aluminium profile that can be applied as a separation profile between the vegetation-free zone and vegetation / substrate. This profile can be used in combination with our Traditional and Lightweight Sedum roof systems. For the Sempergreen Biodiverse green roof and Biodiverse green roof lightweight systems, we also have the Separation profile 110/150 available.
To achieve climate goals, we need to create healthy buildings for future generations. Greening is an important factor in this. Especially locations with little space for greenery, such as urban areas or (office) buildings, benefit from the application of a SemperGreenwall. Plants absorb harmful substances such as CO2 and particulate matter and have a cooling effect. With the Cradle to Cradle certificate, the SemperGreenwall is suitable as a circular building block.
Vertical gardens walls like SemperGreenwalls offer many economic, ecological and social benefits. They contribute to air purification, a lower ambient temperature, heat regulation and urban biodiversity. Green facades are part of climate-proof and nature-inclusive building. They also have a positive effect on the people in the area by improving the working atmosphere or shopping experience, for example. They reduce noise pollution and lower the ambient temperature.
BENEFITS OF THE SEMPERGREENWALL
PURIFIES THE AIR
1 M² OF LIVING WALL EXTRACTS 2.3 KG OF CO2 PER ANNUM FROM THE AIR AND PRODUCES 1.7 KG OF OXYGEN.
REDUCES THE AMBIENT TEMPERATURE
PLANTS ABSORB SUNLIGHT, 50% IS ABSORBED AND 30% REFLECTED; SO THIS HELPS TO CREATE A COOLER AND MORE PLEASANT CLIMATE.
REDUCES AMBIENT NOISE
INSIDE AND OUTSIDE
A LIVING WALL ACTS AS A SOUND BARRIER TO THE BUILDING.
HEALTHY INDOOR CLIMATE
IN OFFICES WHERE THERE IS PLENTY OF GREENERY, THERE IS A NOTICEABLE DECREASE IN ABSENCE DUE TO ILLNESS.
INCREASES PRODUCTIVITY
A GREEN WORKPLACE CAN RESULT IN A 15% INCREASE IN PRODUCTIVITY.
ADDS VALUE TO THE BUILDING
THE VALUE OF A PROPERTY WITH GREEN APPEAL IS BETWEEN 4 AND 12% HIGHER THAN A BUILDING WITHOUT GREENERY. RESEARCH SHOWS THAT GREENERY IN AND AROUND SHOPS LEADS TO A 12% INCREASE IN SALES.
INCREASES BIODIVERSITY
THE PLANTS THAT ARE INCLUDED IN THE A LIVING WALL PROMOTE THE HABITAT OF BIRDS, BUTTERFLIES AND INSECTS.
OFFERS HEALING ENVIRONMENT
GREENERY ENCOURAGES FASTER RECOVERY FOR PATIENTS, RESULTING IN A SHORTER HOSPITAL STAY. A PERSONS TOLERANCE OF PAIN IS HIGHER IN A GREEN ENVIRONMENT.
IMMEDIATE GREEN RESULT WITH PRE-CULTIVATED PANELS - ON DELIVERY, THE FACADE BOASTS 90% COVERAGE, SO YOU CAN REAP THE BENEFITS IMMEDIATELY.
CAN BE USED ANYWHERE THANKS TO FLEXIBLE MATERIAL
NO ROOT BOUNDING
DUE TO THE DESIGN OF THE SEMPERGREEN FLEXIPANELS, THE ROOTS IN A SEMPERGREENWALL CAN GROW NATURALLY AND NOT BE BOUND BY A BARRIER.
LIGHTWEIGHT SOLUTION (45KG/M2)
CRADLE TO CRADLE CERTIFIED
The Cradle-to-Cradle certificate is an international certification for materials and products that can be fully recycled.
FIRE SAFETY CERTIFICATE
Application in escape routes is permitted. Fire safety certificates in accordance with the European fire classification standard (EN 13501-1): A2-s2,d0 (the highest rating) and B-s2,d0
PLANTING ACCORDING TO PREFERENCE AND FAÇADE SITUATION
CAREFUL PLANT SELECTION FOR ALL CONDITIONS
SUITABLE FOR EXTREME WEATHER CONDITIONS
THE SMART PLANT CARE SYSTEM PROVIDES THE BEST NUTRITION FOR EACH SEASON TO THE PLANTS
NO CONCERNS ABOUT MAINTENANCE THANKS TO A MAINTENANCE CONTRACT, YOU HAVE NO NEED TO WORRY ABOUT MAINTAINING YOUR LIVING WALL.
Resistance to dynamic wind forces for facades. Suitable for large heights. Test result of 5.00 kPa for Flexipanel and test result of 8.00 kPa for Flexipanel A2 (theoretical load).
Sound absorption coefficient (αw ) of 0.85, where 0 means no absorption and 1 means full absorption 85% of ambient noise is absorbed. Tested in the acoustics laboratory of the independent engineering FIRM PEUTZ.
The Flexipanel is the building block of the SemperGreenwall. The Flexipanel was designed around the plants. Each Flexipanel has a duct at the top for the drip lines which deliver water and nutrients to the plants.
Unlike many other systems, Flexipanels allow full rooting: the plants can grow through the membrane and the growth medium in the Flexipanel. This allows the roots to grow much longer than green wall systems that only allow the roots to grow inside the enclosure. The result is bigger, fuller plants and more flowers.
The Plant Care System of a SemperGreenwall is unique. It is an elaborate system, that ensures each plant’s roots to roam freely, micro irrigates the plants to save water and fertilizer and protects the roots from frost and heat. Herewith creating a continuous, monolithic vertical garden with lush, happy plants.
Thanks to the Plant Care System, plant loss is reduced to a minimum and replacement is unnecessary. Maintenance of a SemperGreenwall therefore only consists of pruning.
At Sempergreen, quality is at the forefront. Every situation is unique and climatic circumstances differ, which is why Sempergreen has thoroughly tested its assortment of plants.
The plant design possibilities are endless. As an architect, you are offered the opportunity to supply your own design and plant preferences. A SemperGreenwall is always planted with a carefully selected mix of plants, fit to the specific situation and outdoor or indoor climate of your project.
To keep the water consumption of a SemperGreenwall as low as possible, without compromising the health of the plants, Sempergreen has developed a special solution to recycle rainwater for the irrigation of the SemperGreenwall. If rainwater reuse is chosen, there will be an extra supply from an additional rainwater storage tank. The system is regulated so that rainwater from the storage tank is used first, and when the tank is empty, the system switches to tap water. This is a continuous interplay between the two supplies.
Periodic maintenance is essential to keep your SemperGreenwall looking great all year round. The maintenance consists of several maintenance visits, which include caring for the plants and the checking and testing of the Plant Care System. The gutter and drains are checked during each maintenance visit, and visual inspections are carried out periodically to examine the condition of the plant wall and map out the actions required for the next maintenance visit. The irrigation system is also serviced and nutrients are topped up regularly. The outdoor green wall irrigation programme is adapted to the different seasons.
The SemperGreenwall is a modular living wall system made of pre-cultivated Flexipanels and finished with a gutter and a frame. This solution is suitable for both straight and curved walls. The Flexipanels have a TPO back side. Because the TPO protrudes on the top and right side, it always overlaps with the adjacent or above panel. This creates a closed and water-resistant rear wall after installation. SemperGreenwall systems have a maximum saturated weight of 45 kg/m2
water & nutrition
PLANT CARE SYSTEM
CONSTRUCTION FRAME
Unique hanging system with Omega profiles and waterproof layer.
FLEXIPANEL
Modulair, lightweight (45 kg/m2) and most flexible system for corners and curved surfaces. With TPO back side, so no water pollution.
PLANT DESIGN
Customized planting plan with 90% coverage on delivery. Instant green result.
PLANT CARE SYSTEM
Efficient and focused watering and nutrition with an intelligent irrigation computer and drip lines every 50cm. 24/7 remote control monitoring.
EDGING DETAILS & GUTTER
Perfect connection to existing wall. Standard durable aluminum. Available in every possible color.
DOWNLOAD TECHNICAL INFORMATION
• Technical drawings
• Revit family
• Plant lists
Planting individual ground cover plants is labour-intensive and time-consuming. This also requires a great deal of maintenance, such as replacing dead plants, weeding and hoeing. All in all an expensive process. The ready-to-lay Sempergreen Sedum blankets offer the solution. They are fully grown, require little maintenance and are very versatile. So you can create a vegetated slope, an attractive embankment or beautiful green park in less than no time. We are happy to advise you about the best application for your project.
Sempergreen has already made more than 40,000 m2 of tram tracks green. Thanks to our knowledge of the products and experience, we can provide good project advice. With various nurseries all over the world, the Sempergreen Sedum-mix blankets are available quickly. Whether it concerns tens or thousands of meters, Sempergreen has the right solution for every project!
EASY INSTALLATION AND DIRECT-GREEN RESULT PROVIDES CLEANER AIR
UP TO 10°C COOLER IN THE ENVIRONMENT
REDUCTION OF NOISE AND VIBRATION POLLUTION OF 10%
INCREASES BIODIVERSITY
RAILS TEMPERATURE
50% COOLERLESS CHANCE OF RAIL EXPANSION
BARRIER FOR PEDESTRIANS
VEGETATION-FREE ZONES FOR TRAFFIC
GRAVEL STRIP AFTER TRANSITION
DISTANCE BETWEEN ROAD AND TRAM TRACK AGAINST ROAD SALT
MINIMAL MAINTENANCE: WATER & FERTILIZATION
Curious what the Sempergreen products can do for your project?
Have a look at a selection of our reference projects.
Go to www.sempergreen.com/en/references for more!
The Helden (Hero) Tower in Knokke-Heist is a striking architectural beacon on the Belgian coast, with a beautiful 400m2 Sempergreen green roof being one of the eye-catchers. With a height of almost 70 metres, the Heldentoren is at once the tallest building in Knokke-Heist and one of the tallest towers on the Belgian coast. Designed by architect Neutelings Riedijk, the tower forms an integral part of the redevelopment of this iconic location, on the site of the former Grand Hotel - Casino Kursaal. The project consists of a slender 20-storey residential tower, a 5-storey flat tower and a restaurant pavilion and is located on the promenade next to Heldenplein.
Applied system: Traditional green roof
Løren School in Oslo has taken a major step toward its sustainability mission by combining an existing green roof with innovative solar energy technology. The challenge was integrating solar panels without compromising the roof’s biodiversity or load-bearing capacity. Thanks to the collaboration between Sempergreen and Over Easy Solar, the ideal solution was found. By using lightweight vertical PV units on the existing Sedum roof, the roof’s energy output increased significantly. This renovation project serves as an inspiring model for urban sustainability.
Applied system: Lightweight Solar Sedum roof
A new benchmark in future-proof building, focused on a green and liveable environment. That is ‘De Bogerd’ new-build project in Uden. This project of housing association Area combines a Sempergreen green roof system with solar panels and is an excellent example of bio-based construction using wood and other natural materials.
All homes are equipped with Sempergreen’s vapour-permeable sloping green roof system, combined with solar panels. In this system, the standard roof tile is replaced by a Green Roof Scale, which results in a nice cost saving. This makes De Bogerd unique in the social rental sector in the Netherlands. Fully reusable and recyclable, the green roof system contributes to a pleasant living environment for residents and a green and sustainable future for the residential area.
Applied system: Steeply pitched green roof vapour-permeable
In September 2023, Sempergreen, in cooperation with Browatech, installed Germany’s very first Detention Roof at Schauenstein primary school in Bavaria. This project, part of a Sponge City initiative, provides an innovative solution for water management on sloped roofs. The Detention Roof concept, developed by Sempergreen in cooperation with Browatech, transforms traditional green roofs into a tool for effective rainwater management. By slowly draining rainwater, this water-storing green roof system helps minimise flooding and improves urban water management.
Applied system: Detention roof
At the new BMW service center in Brno, Czech Republic, a 1,435 m² green roof was installed right in the middle of winter. Despite the snow, the Sempergreen vegetation blankets performed flawlessly. Thanks to their pregrown nature, the Sedum mats are resilient and thrive in extreme conditions. As seen in summer photos and video, the roof flourished with lush greenery and vibrant blooms.
The entire installation took only seven days. Flat roofs are perfect for green roofs, using a layered system: drainage with filter fleece, extensive substrate, and pre-grown vegetation blankets. These Sedum-mix blankets— planted with 6 to 8 types of Sedum—are easy to roll out and offer 95% coverage upon delivery, guaranteeing an instant-green result.
Applied system: Traditional green roof
With 8,000 m² of greenery along a 2 km tram line between Plaça de Les Glòries and Passeig Verdaguer, Barcelona redefines urban mobility. This groundbreaking project merges transport and nature, creating an ecological showcase powered by Sempergreen’s instant-green ground cover.
The city aimed to boost biodiversity, drastically reduce water use—by up to 80% compared to traditional grass—and mitigate flooding through excellent water retention. The green tram route also helps lower CO₂ emissions and combats the urban heat island effect, contributing to a cooler, healthier city. Beyond its environmental impact, the design integrates beautifully into Barcelona’s landscape, aligning perfectly with the city’s sustainable vision. This project proves that infrastructure can be both functional and future-proof, setting a new global benchmark for climate-conscious urban development.
Applied system: Sedum ground cover
At a prominent location along the busy S-Bahn station Am Wehrhahn in the centre of Düsseldorf, you can now endulge yourself in a green environment. Following an earlier cooperation with blowUP media Germany, experts in large-format outdoor advertising, Sempergreen has now installed a second SemperGreenwall for blowUP media Germany around an LED video wall here on behalf of LEDCON Systems GmbH. This renovation project, called “The Green Digital”, consists of a huge 100 m² digital screen powered by solar energy. The screen is framed by a flourishing green facade of no less than 180m2 in size. This facade renovation literally provides relief to passers-by at this busy urban traffic junction and the resulting air pollution.
Applied system: SemperGreenwall Outdoor
Architect NOAHH faced a challenging task: designing the renovation of the Theater on the Parade in the Dutch city of Den Bosch. The new theatre had to be built on the historical foundations of the old building. Thanks to various spatial inventions, the new Theater on the Parade makes smart use of the limited space.
The result is a theatre of the future; a multifunctional and irresistible cultural hub. This extrovert building does not stop at the façade, but extends into the public spaces and moves with its users. An inviting theatre café and a botanical foyer transparently connect the interior with the Parade. For the design of the botanical foyer, NOAHH was inspired by the historic Casino garden, dating from 1860. They managed to capture this feeling through the application of a lush SemperGreenwall Indoor.
Applied system: SemperGreenwall Indoor
On the edge of Amsterdam’s largest park, the remodelled Hotel & Wellness Zuiver has extended the green atmosphere to its building with a 560 m² SemperGreenwall. The design of the recently renovated and expanded hotel was inspired by the experience of the four seasons in the surrounding forest ‘Amsterdamse Bos’. While the rooms are designed according to beautiful spring, summer, autumn and winter-themes, the living walls will also represent every season with a different look. Of the over 50.000 plants living in the façade, many are winter-hardy or summer bloomers, ensuring a green but varying appearance year-round.
Applied system: SemperGreenwall Outdoor
At Walt Disney World in Orlando, McDonald’s has opened a pioneering flagship restaurant aiming to be the world’s first energyneutral fast food location. Nearly 185 m² of SemperGreenwalls contribute to cleaner air, increased biodiversity, and reduced heat stress.
The plant mix, tailored to Orlando’s subtropical climate, stays green year-round thanks to Sempergreen’s smart Plant Care System.
The building, designed with Ross Barney Architects and CPH, also features 1,000 solar panels and serves as a learning hub for sustainable solutions—supporting McDonald’s global ‘Scale for Good’ program. Visitors can interact with green features like energygenerating bikes and educational games, blending sustainability with experience.
Applied system: SemperGreenwall Outdoor
