PHYSICAL PROPERTIES
PHYSICAL PROPERTIES
Thermal conductivity
1,2...3,4 W/mK
Thermal conductivity
5 W/mK
Density
2,5...2,8 ton/m3
Density
2,7 ton/m3
Fire resistance
High
Fire resistance
High
Hygroscopicity
Breathable
Hygroscopicity
Breathable
Durability
High, long lifespan
Durability
High, long timespan
Recyclability
100 %
Recyclability
100 %
GWP A1-A3
255 kgCO₂eq
Nearest origin to Stavanger Transport
GWP A1-A3
-
Nearest origin to Stavanger Transport
NATURAL STONE - AVERAGE What is it?
Average natural stone
Compound
Natural
Building use
Facade, roofing, pavings etc.
Producer
Average based on different manufacturers
109
+
–
Strong Fire resistant
83,7
kgCO₂eq
broken
edges
177 kgCO₂eq sawn edges
Local Natural Low tech Traditional Low maintenance Low emitting Safe ingredients Cold Low environmental footprint Easy installation Waste to landfill Sound absorbing Unstable and sensitive Low cost Visually pleasing
Global Synthetic High tech Modern High maintenance High emitting Toxic ingredients Warm High environmental footprint Expert installation Recyclable waste Sound transmitting Robust and resilient High cost Ugly
Oppdal, Norway 952 km *0,185 = 176,12 kgCO₂eq
NATURAL STONE - QUARTZITE What is it?
Natural stone quartzite schist, even thickness, with sawn or broken edges
Compound
Natural
Building use
Facade, roofing, pavingsv etc.
Producer
Minera Skifer AS, Norway
Local Natural Low tech Traditional Low maintenance Low emitting Safe ingredients Cold Low environmental footprint Easy installation Waste to landfill Sound absorbing Unstable and sensitive Low cost Visually pleasing
Global Synthetic High tech Modern High maintenance High emitting Toxic ingredients Warm High environmental footprint Expert installation Recyclable waste Sound transmitting Robust and resilient High cost Ugly
+
–
Heavy to transport and install The declared product is an average natural stone
Strong
Heavy to transport and install Reference service life is same as for buildings and
Surface is rough/irragular
with an average thickness of 40mm. The shares
Fire resistant
Surface is rough/irregular
Extremely long lilfespan
of the three rock types used for production
Extremely long lilfespan
have almost unlimited life time and is therefore
Evens out temperatures
are: igneous rock 27%, sedimentary rock 64%,
Evens out temperatures
normally not being replaced during service life.
metamorphic rock 9%.
Local production
epd: EN 15804
COMMENTS:
COMMENTS:
normally set to 60 years. However, natural stones
EPD: NEPD-315-192-EN
110
