Issue IV / May 2014
Facade and Fenestration News for India
Climate sensitive facades
Articles by Brinda Somaya, D. Construct and Architecture Paradigm
Post Show Reports - fensterbau/frontale india 2014 & fensterbau/frontale N端rnberg
N端rnbergMesse India Pvt. Ltd. German House, 2, Nyaya Marg, Chanakyapuri, New Delhi 110 021, India Tel.: +91-11-47168888 / Fax: +91-11-26118664 / Website: www.nm-india.com Contact : Ms. Rucheeka Chhugani / E-mail: firstname.lastname@example.org
Windows and Facades 2030plus by ift Rosenheim
Project - International Management Institute by Abin Design Studio
Facade and Fenestration News for India
Warm Greetings The Indian Façade and Fenestration Industry has witnessed a quantum leap in the last decade. When we launched fensterbau/frontale india in 2011 we knew that the Industry was ready for an event which was not just a trade show, but a real meeting place for exchange of knowledge, ideas and technologies. In the few years since, we have come to know and understand the fenestration industry in India- the challenges as well as the opportunities it presents. I personally have had the pleasure of being in India several times since the first event and have sampled the diversity of India’s cities, the people and the Industry too. It is a young industry, starting to realize its potential and is gradually becoming a force to be reckoned with. This is where fensterbau/frontale india sees its main focus: to unite the fenestration sector of India and to share knowledge and spread the word.
Exhibition Director – fensterbau/frontale NürnbergMesse GmbH
fensterbau/frontale india concluded on the 1st of March and was followed by the parent show fensterbau/frontale in Nuremberg towards the end of March. Both events saw an increased number of exhibitors and visitors. The need for sustainability and comfort continues to drive innovation in the window, door and facade construction sector. Architects, consultants, and fabricators meet at both events to discuss how aesthetics and design trends can be reconciled with energy-efficient building. There has been a constant up-gradation in terms of quality and a higher demand for performance driven products. The current scenario is both inviting and conducive for the international players and that has in turn led to increased interest and subsequent investment in the Indian market. With the recently concluded general elections in India and the very positive forecast for the construction Industry in the coming months, we look forward to an increased growth for the window, door and façade industry in India; as also codification of standards and procedures. With the fourth edition of our Tabloid we bring to you once again articles on the latest trends and technologies from India and around the world and to once again reiterate the fact that, ‘A window is more than a glass plus frame’.
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Facade and Fenestration News for India
Forms of Façade
Climate has a huge bearing on the culture of a place, it is reflected in many of its facets including architecture. Reacting to the climate is fundamental to any architectural intervention in a landscape. This negotiation with the climate is based on the need for comfort and the relationship we intend to share between the inside and the outside. Tradition has demonstrated that outdoors have always been a crucial part of inhabitation, especially in a predominantly tropical and subtropical climate like ours. This has necessitated an inventiveness about how to live in these conditions. Landscape and climate often offer clues and reveal prospects on how to inhabit or how to deal with earth, light, water, wind and other exigencies of the site. In our work these clues are explored to reveal how it can become a source for sustainable strategies or a sensitive insertion generating a sense of belonging to the place. Amongst many other parameters, facades or surfaces form an important part of this negotiation with the climate. Be it a house or a large structure the design of the interface between the inside and the outside is a critical part of this negotiation. The interface could be a space with depth like the verandah, or a solid wall or even a transparent surface, determining the nature of the relationship with-in and with-out, eventually leading to the form and experience of a space. One needs to include even the roof as a part of facades into this structure of thinking. It is just not about making good looking structures but all the interfaces need to perform. In other words, the aesthetics of the built form here is about the outcome of rational consideration of issues pertaining climate apart from other socio-cultural aspects. Apart from some wonderful traditional passive strategies, there are technologically aided solutions one can look up to today. Spatial elements like verandahs, balconies, thickened walls and devices like the cavity walls, wind scoops, perforated screens, strategic apertures to name a few, when combined with knowledge of the landscape and the material, defines some of the traditional climatically determined facades. These features are integral and in sync with larger idea and not just seen as a separate entity. On the other hand, today with rampant development, there is a constant deliberation about the independence of internal spaces from the skin. It is possible to have flexible facades where we can alter the surface at the touch of a button responding to spatial and seasonal requirements, controlling light and heat and also capturing energy from the sun and the wind at the same time. This technology is complimented by advanced material science and research. As a practice, we are interested in exploring these aspects of our work.
by Architecture Paradigm, Bangalore The house faces a large wooden green area along the western edge. The idea was to capture or borrow this wooded scenery into the house, but here this implied that we had to deal with the harshness of the western sun. One way to do this was to reduce the size of the aperture or the fenestration, but our interest was in capturing the view. We looked to solve this by exploring the surface as a device to negotiate our concerns. The process involved working on the idea of a flexible surface. A surface which could open up to capture the views, or close to lend privacy and reducing the impact of radiation on the internal spaces, while allowing breeze from the wooden area to flow into the house. The trees provided the first level of shading followed by the designed movable vertical fins forming a surface and shading large areas of sliding glass shutters behind it. The design allowed the occupants to engage with the fins and control amount of light and privacy required while enjoying the view. Therefore, giving the building a dynamic façade with changing patterns. The movable fins are further detailed to create shadows creating a texture on the surface and softening the harshness of the edge while lending a sense of depth to it.
MYRA - School of Business, Mysore
PÉTÉ MANÉ - Sheela Jain Residence, Mysore
The facade is an outcome of recasting the simple stereo metric boxes (buildings) which pervade our cities today. The idea delves on the aspect of surface and its articulation. Here, the idea of a screen as a surface addresses important criteria such as privacy, security while delivering filtered light and allowing for ventilation.This articulation generates a semi-opaque and a permeable surface to further highlight the introverted nature of the house which is in sync with its spatial organization. It is basically a terracotta tile screen used for privacy, security and controlling light. There is abundant light for most part of the year in subtropical climate like ours and it can be harsh, so the need to control light and heat becomes crucial for us. Tradition demonstrates through various devices like the jalli screens, pergolas etc., using local materials and also passive strategies.
The predominant solid surfaces of the institute are a clear response to the climatic conditions especially, exposure to sun along the east and west. The wall along the west has been detailed as a cavity to bring down the heat gain along this surface, in turn, reducing the load on the air conditioning system. This sense of solidity also serves as a layer engendering a sense of identity and scale to the institute in an open and expansive context. The formal exploration of the envelope including spatial dispositions of the program, along with the rolling terrain, recalls the rocky boulder laden terrain surrounding Mysore. The interfaces between programmatic and the outdoors explores verandah like spaces which seamlessly integrates the open and closed spaces giving ambiguous feeling of being inside and outside simultaneously. This aspect compliments the hard exteriors and adds to the idea of continuous envelope and the facade. The solid surfaces are further scored with jaali like fenestrations, adding to the texture of these surfaces which are enhanced through the play of light and shade. The windows and openings are located strategically to get diffused light and ventilation into the spaces. Through these factors, we look to encourage participation amongst the users with the environment lending to the creation of a “place” which one can enjoy and identify with.
We adapted these features in this house. The spatial volumes are animated by light changing through the day and seasons. This is enabled through strategically located openings and shading devices which are created out of weatherproofing clay tiles engineered as baffles. The non-conductive nature of terracotta helps in retarding the heat while allowing filtered and the steel framework supporting the tiles provides security. The spatial effect generated by this, transcends the pragmatic immediacy of function and creates a sensual space to enjoy day to day life.
Wilson Garden House - Bysani Residence, Bangalore About the author Born in Bangalore, India in 1973, Ar. Sandeep Jagadeesh, is one of the founders and principal architect of Architecture Paradigm. He has been involved in a wide range of projects, which include single family residential dwellings, large-scale housing projects, institutional and other public buildings. Bachelor of Archiecture from B.M.S college of Engineering and master class from glenn murcutt international architecture, australia, Ar. Sandeep firmly believes that architecture is about people and sensitivity to the idea of the place, He also insists that designprocess is collaborative and is about speculating on the changing nature of inhabitation in view of our times. Sketching, drawings and model making for him are means of understanding and developing a connection with a space. It also benefits him in anticipating the quality of space, its tactility and experience. The work of the studio is widely published and over the years, it has been recognized by 41 awards with both national and international commendations and also the recognition as one of the top 10 young practices in India.
Facade and Fenestration News for India
fensterbau/frontale india 2014 - FLASHBACK About fensterbau/frontale india 2014: A Progressive Leap 27th February- 1st of March 2014, Pragati Maidan Exhibition Centre, New Delhi
fensterbau/frontale india - annual International Exhibition & Conference on Window, Door and Façade Technology commissioned its fourth edition in India in March 2014, New Delhi. The exhibition emerged as the meeting place for all the stakeholders of the industry including manufacturers, processors, architects, developers, planners and building specialists. The key focus was to promote the end-product itself to diverse people in the real estate industry and help decision-makers understand the importance and benefits of using system windows as compared to conventional windows.
intense discussion on the topic. The workshop ended with a presentation from EESL India on how it has used ESCO models to promote building energy efficiency through some of their projects. The workshop clearly demonstrated that the need for greater energy efficiency in buildings is becoming increasingly important for demand side energy efficiency initiatives to become comprehensive, and also highlighted some of the opportunities in the sector, where the Indo-German partnership in energy can be fostered further.
Future Technologies in Aluminium Fenestration Systems
Aluminium Extruders’ Council (ALEX) organised a one day conference program on the theme of ‘FUTURE TECHNOLOGIES IN ALUMINIUM FENESTRATION SYSTEMS’ on February 28, 2014 concurrently during fensterbau/frontale india 2014. The main objective of the conference was to bring awareness of ‘New and upcoming Technologies’ in the areas ofproducts, Materials, equipment, Processes, Testing, for the growth and benefits of Aluminium Fenestration Industry. The conference was a great platform for a wide cross section of worldwide experts & professionals in the field of Fenestration Technology to present their work, exchange ideas and provide information on new developments for the benefits of Fenestration Industry in India.
Networking: Something for Everyone: Architects, Developers, And Manufacturers
Participation from 5 Countries 82 Exhibitors, 4154 Visitors Official German Pavilion Dr Ken Yeang was an important dignitary at fensterbau/frontale india and a special knowledge session was organised with him during the exhibition. Ken Yeang is an architect, planner and an ecologist, best known for his signature green architecture and master planning, differentiated by his authentic ecology-based approach, their distinctive green aesthetic and performance beyond conventional rating systems. He is principal of T. R. Hamzah & Yeang Sdn. Bhd. (Malaysia) with offices in the UK and China. He was named bythe UK’s Guardian newspaper as one of 50 individuals who could save the planet, as well as the leading architect in ecological design by CNN.
Panel Discussion: “Lifestyle: Redefined by energy efficient windows, doors and façade”.
Conference at fensterbau/frontale india 2014 Universal Design for windows, doors and facades Redefining Lifestyle by Energy Efficient Windows Success by better quality and durability of windows and facades Safety and Green Environment “The conference on ‘Green Building Envelopes’ is a major element of fensterbau/frontale india focused on universal design, quality, sustainability and security. The participants received decisive impetus on adapting advanced technology from Germany and Europe.” Jürgen Benitz-Wildenburg, Director PR & Communication, ift Rosenheim.
Indo-German Partnership on Energy Efficiency : A workshop on “Indo German Partnership on Energy Efficiency” was organised jointly by the IGEF Support Office and the KFW Development Bank on 28th February, 2014 during fensterbau/frontale india 2014 at Pragati Maidan, New Delhi. The workshop focussed on building energy efficiency bringing together representatives from the Indian Ministry of Power (MoP), the BEE, and German Embassy, private sector companies, various financial institutions, ESCO companies and others from the sector for an
A panel discussion on redefining lifestyle through energy efficient windows was organized on the first day of fensterbau/frontale featuring some of India’s top Architects including Sheetal Rakheja from Design & Development, Ruchir Panwar from RSP Design Consultants (India) Pvt. Ltd., Sourabh Gupta from Archohm Consults Private Limited, Vijay Dahiya from Team3 and Mr Amit Krishn Gulati from Incubis Consultants. The session was moderated by Mr Amit Khanna (Amit Khanna Design Associates). The panellists debated amongst other things the need to elevate windows, doors to the status of a lifestyle product and the various factors an Architect takes into consideration while deciding on the fenestration solutions for a project. In a country like India where resources are limited, energy efficiency is a crucial factor and fenestration can play a vital role to help save energy.
Architects Gallery: A Showcase of the Best Architectural Façade Projects from across the country -
One of the most eye catching section of the exhibition was the Architect’s Gallery which showcased projects by some of the most talented architects of the industry. The architectural firms which actively participated in making the gallery a success are: • Design Atelier • Abin Design Studio • Architecture Discipline • Abraham John Architects • Anuj Mehta Architects • Arjun Rathi Design • Arun Rewal Associates • Atrey & Associates • Dipen Gada & Associates • Schutz & Katagi • M:OFA Studio • Oscar & Ponni Architects • SEZA • Archohm • SJK Architects • Wallmakers • Vir Mueller Architects • ZZ Architects
Facade and Fenestration News for India
Awards Night: Honouring the finest Indian Architects
Together with India’s leading Architectural awards- Archidesign Awards, fensterbau/frontale india honoured the best in the Architecture & Design and Building construction industry. The event was powered by AluK, who also launched their operations in India during fensterbau/ frontale india 2014. The event saw the presence of some of India’s finest Architects as well as a presentation by Dr. Ken Yeang – who was the special guest for the evening.
”fensterbau/frontale india 2014 was a great success for aluplast India. Our stall was busy with Indian and international fenestration experts discussing and networking. We are happy to announce that new relationships were built. Thank you to the FFI team for the great organization which has been the basis for our success! I and my team aluplast India would like to thank our visitors and guests for stopping by as well as participating in our evening event! We are looking forward to fruitful collaborations ahead and hope to be able to welcome you back next year!”
“Great show, fensterbau/frontale india has become the “Show” for serious business visitors and clients. The exhibition has brought together all leading players in the fenestration industry on one platform to address the needs and expectations of common clientele. The technical seminars were very informative. Overall ambience of the event was international. Thank you and here’s wishing the team of ffi all the very best! “
Aluplast India Pvt. Ltd.
“At a time when fenestration industry in India is evolving for quality yet swanky and new age performance based products and solutions, meeting points like fensterbau/frontale india adopting a specialized pure vertical approach makes it instantly recognizable by all the players in the building envelope and windows industry not only from the trade, but also from the window manufacturing supply chain point of view. This is really a powerful springboard for widening awareness and experiencing our world-class products on a larger canvas. FFI gives a unique and fantastic opportunity to connect with the industry fraternity under one roof and more importantly further consolidating TECHNAL® brand presence in Indian market. For us as an exhibitor all this is invaluable.”
Santosh Jena TECHNAL
“fensterbau/frontale india 2014 provided us a good launch pad to begin AluK journey in India. I am glad to see every time the show is better than before. Quality of participation is increasing too with many Companies on board with latest products and technology. A show of this kind is like one stop solution for fenestration and facade industry. We were happy to be part of the exhibition and work with very professional team of the organisers”
AluK Building Systems Pvt. Ltd. “Accolades to the entire FFI team towards their efforts in organizing a great and successful show “fensterbau/frontale india 2014”. The show has certainly created an impact in the Fenestration Industry. The standard of visitors/buyers has been decent and we look forward to continuing our participation in future as well.”
Profine India Window Technology Pvt. Ltd.
NEXT STOP: BANGALORE, 26 - 28 FEBRUARY 2015 “Bangalore has witnessed unprecedented growth over the last few years in the building construction sector. The Façade and Fenestration Industry has played a crucial role in the growth story as developers, architects and home owners understand the importance of energy efficient windows, doors and façade to increase the performance of a building . We are happy to welcome back fensterbau/frontale india to Bangalore and are looking forward to witnessing innovative solutions and cutting edge technology.”
“fensterbau/frontaleIndia has emerged as India’s only focused event for the window, door and façade Industry. The event will once again take place parallel to ACREX India 2015 thereby providing an excellent opportunity to the visitors to view the entire range of Building products at one location. We are looking forward to seeing you at Bangalore. “
D. Nirmal Ram P. Ramakrishnan
Indian Society of Heating, Refrigerating and Air Conditioning Engineers, Bangalore
Sobha Developers, Bangalore
“The Skin/facade of a building is one the most crucial and important part of it. From its inception the building needs to be conceived from its structure to its external feel, functionality and aesthetic.The extreme understanding of all parts of what makes a building leads to its great achievement. Being normal opening into the mass or a complete curtain wall wrapping it the “facade” gives the life and touch to our environment; establish its poetry. It is even more complex in a tropical country such as India, as, if the technology is not well understood and implemented the entire building can be a failure as also our city. Now, more than any other time we need the intelligence of this technology in our lives and we appreciate the initiative of NürnbergMesse India / Indo-German Chamber of Commerce in this regard. I personally welcome such a forum in Bangalore, India.”
DDI Architecture, Bangalore
“We would appreciate good content in paneldiscussion. Awards should be supported with fair jury and it’s a good opportunity to get accolades for your architectural firms. The event is a good platform and also encourages budding architects.”
“This event will help the architectural fraternity to keep themselves updated with the prevailing global trends about fenestration.”
Mindspace Architects, Bangalore
Facade and Fenestration News for India
The Building Skins
The double skin of metal fabric panels acts as a thermal buffer and thermal flue which draws in natural air into the building. At the same time, it also qualifies the building as an open space!
by Brinda Somaya
• Since the ground coverage had to be maximized and the balance between open and built up area had to be maintained, the mound was designed to provide the much needed relief in the built form. • The amenities block was designed with this which opened out toward the forest so that the mound and the trees compliment each other. • The mound provides a green barrier at eye level and softens the view along with the water body created by natural drainage • The banyan tree is one of the most venerated trees in India. It has the ability to survive and grow for centuries and is often compared to the shelter given by God to his devotees. • It also symbolizes the personality of a benevolent ruler or head of family who nourishes and looks after all those under his care. Its large leaf is a motif commonly used in worship, rituals and festive sacrifices.
The building skin is a subtle transition from the inside to the outside. These skins generate considerable energy savings for the building by reducing usage of mechanical ventilation and artificial lighting. We refer to a building as a third SKIN after the body’s skin and the clothes we wear. The skin of a building is its aesthetic and functional interface. Skin is an ambivalent and also ambiguous frontier between the inside and outside.
• The banyan tree is mentioned in many scriptures as a tree of immortality. It symbolizes longevity and represents the divine creator, Brahma. • Sages and seers sat under the shade of this tree to seek enlightenment. FASHION AND ARCHITECTURE come together to give the NIFT building an identity of its own through a proposed perforated metal screen which drapes the building and reduces the energy load on the building. It is closely tied to the underlying body, although it is also an independent entity in its own right. It acts as an embellishment and protection to the building beneath.
The facades are physical manifestations of their orientation. This helps in achieving greater climate control.
About the author
The Northern Façade facing the front road and the Hills is a single plane since thermal gain from it is minimum. To enable penetration of light to the studios, the wall splits into strips which twists to open up glazed areas. The twisted strips (the fins) cut the glare during summer months. The Southern façade requires a double skin ( a cavity wall) to reduce the fabric gains and creating necessary depth for fenestration. Since, it is an add-on to the “true” façade, it is expressed as a second skin with a material difference - the “true” skin being concrete-exposed and minimal whereas the add-on is clad in stone- cloaked and complex. The juxtaposition in forms is hence reflected in the materials of the skin . The tension in the forms, tears the add-on skin at places revealing the true concrete forms at intersections. • The mound was conceptualized as an interesting feature in an otherwise flat site. It is symbolic of the rolling hills of Andhra Pradesh and layering in architecture through the ages.
Brinda Somaya is an architect and urban conservationist. Upon completion of her Bachelor of Architecture from Mumbai University and her Master of Arts from Smith College in Northampton, MA, USA, she started her firm Somaya and Kalappa Consultants in 1978 in Mumbai, India. Over three decades she has merged architecture, conservation and social equity in projects ranging from institutional campuses and rehabilitation of an earthquake torn village to the restoration of an 18th century cathedral, showing that progress and history need not be at odds. Her philosophy: ‘the Architect’s role is that of guardian – his is the conscience of the built and un-built environment.’ This belief underlines her work that spans large corporate, industrial and institutional campuses and extends to public spaces, which she has rebuilt and sometimes reinvented as pavements, parks and plazas. The latter include the Colaba Woods, Ganeshpuri Temple and a slew of pavements in South Mumbai.
Facade and Fenestration News for India
Windows & Facades 2030plus We are in the year 2030. After a day in the office, the autopilot of my electric car navigates me safely and without any stress through the commuter traffic. Having arrived home, the garage opens automatically, the central locking of the house is deactivated simply and securely via my smartphone, and the front door swings open silently. The electronic “butler” asks me at the time of entry for my choice of design for the large multimedia wall, and I opt for the “Mediterranean” module. While entering the living room, my favourite scene has already appeared on the large panoramic glazing with the blue sea and small dream bays, punctuated by a gentle breeze inviting you to set sail. I have a clear conscience since I know that this comfort in my plus energy house does not affect the climate and is sustainable. My basic need for a healthy and comfortable living climate, in line with safety and comfort is facilitated by intelligent window, shading and ventilation elements almost without the need for any additional use of energy. Even the barrier-free design of doors and windows contributes to a good feeling of well-being, and the building engineering services system performs its work inconspicuously and efficiently. In this manner, the photovoltaic system on the roof and in the facade can generate the energy required for my electric vehicle. But the small switch at the entrance is important to me as well since I can use it to shut down the complete equipment and, in this manner, operate and control windows, doors and Venetian blinds unreasonably with the “old-fashioned” manual grips. Safety is not limited only to the prevention of mechanical break-in, but the entire building shell is impermeable to electromagnetic waves, so that all attempts at eavesdropping fail, and I feel autonomous and secure in my home. Thanks to modern nanotechnology, the maintenance effort for cleaning the windows and facades is almost zero and inside the rooms, active climate wall surfaces provide natural humidity control as well as absorption of potentially harmful substances, which means that the air inside the house is almost as good as fresh mountain air.
by ift Rosenheim
glass constructions with an intelligent combination of vacuum glass and coated glazing will achieve U values of 0.2 W/(m² K) with low g values at the same time. An ongoing research project for the development of pressure equalised multi-layer insulating glass units opens up opportunities for better integration of solar shading and light control systems as well as improvement in thermal insulation and sound insulation with reduction in weight at the same time.
Figure 3 : Schematic diagram of pressure equalised multi-layer insulating glass units (Picture: ift Rosenheim) The solar gains are backed up in conjunction with thermal storage units. These may be physical systems (concrete core, water and ice tanks etc.), chemical or adsorptive tanks, which dissipate energy for heating and also absorb energy for cooling. At present, very powerful systems are being developed that utilise the enormous thermodynamic potential that lies in the phase transition from solid to liquid and from liquid to gas. These systems have storage density that is many times higher than simple water tanks, in which water is only heated up. This is why supplementary heating will be necessary only very rarely, which would then be of electric type and use even the energy from the environment with the help of highly efficient heat pumps.
Figure 1 : Construction in the future is characterised by energy efficiency and sustainability, both in urban and rural areas. (Picture: Siemens AG) The scenario in a plus energy house may appear like this or similar in 2030, if social development is not disturbed by wars, terrorist attacks and global climatic or natural disasters, but takes place peacefully and sustainably, power supply becomes regenerative and the technical options undergo advanced development and are utilised consistently. However, there would continue to be different life and living standards, which means that apart from the scenario for those enjoying well-being, for simple buildings there will also be a market for standardised building products and construction elements having industrial mass production. Low-cost windows with standardised frame materials, glazing, shading and simple fittings for opening them will be deployed in this segment, but technologies for efficient energy utilisation will be applied as well. Overall, construction will be characterised by the advanced development of energy generation, improved energy efficiency, advancements in material sciences, nanotechnology, the demographic development in industrialised countries, global urbanisation as well as the entry of electronics, Internet and data mining in all walks of life. To support the construction industry with this development, the research initiative “Zukunft Bau” (Construction for the future) was started in Germany by the Federal Institute for Building, Urban and Spatial Research. The following report illustrates what is already being researched today and what may be possible tomorrow.
Figure 4 : Schematic diagram of thermal energy storage using the adsorption method (Fraunhofer Gesellschaft IGB, Stuttgart) Even innovative “green” building materials will be deployed and plants, as well as living organic materials, as had been done once historically with the ivy facade. This causes improvement in the energy efficiency and the urban micro-climate (oxygen, temperature, humidity and quality). A concrete example in the form of a photo bio-reactor was showcased and tested in the international building exhibition (IBA) in Hamburg in 2013. Even the need for energy required for cooling or climate control in Europe will be almost zero with the help of highly efficient shadowing systems, thermal tanks, ventilating systems for cooling off at night and the utilisation of cooling by evaporation. When the house has been heated up adequately, the photovoltaic modules get pushed in front of the windows in order to convert solar energy to electricity and to provide shadowing to the room simultaneously. The modules for improving thermal insulation are utilised during the cold hours at night. No solar energy gains can be achieved on the north side, which means that highly thermally insulating vacuum glazing are used here, and they provide insulation comparable with the solid walls of today, and are generally designed as fixed glazing. In 2030, the non-transparent house walls will well comprise high-performance insulating panels with a lightweight load-bearing construction made of metallic, wooden or FRP sections or of plates in honeycomb design. These external walls will be only a few centimetres thick, providing more living area with the same external dimensions and will be produced by innovative manufacturers of windows and facades. The wall construction will be free from thermal bridges and there will be no formation of condensate on parts of the windows or the exterior walls. The power cables and sensors will be located in the prefabricated walls and facades, and they will also be used for the movement and control of windows, doors and solar shading elements with the help of electric motors.
Figure 2 : Building development with two segments: customised plus energy houses and residential colonies with standardised elements. (Pictures: left Rolf Disch, solar powered village, Fribourg (Freiburg), right fotolia 26440819_L)
Energy efficiency Power supply in the future will be determined completely by regenerative energy sources, whose costs of generation may be less than the levels of today, since the efficiency will keep improving and the issue of energy storage or backup would get resolved. The extremely low energy expenses for heating, climate control and hot water, as well as solar electricity generation in the building shell, in conjunction with decentralised electricity utilisation and storage provide security and autonomy for a building. The building engineering services will be mature and all components will network intelligently. The transmission of the control signals takes place via wireless technology from the control centre or via smartphone. The transparent window and glass surfaces will form the backbone of thermal power supply. New
Figure 5 : High-performance and intelligently controlled systems for solar shading, daylight control and glare protection cater to ideal supply of daylight and reduce the energy consumption for technical cooling systems substantially – especially for office buildings and in warmer climate regions (Picture: ift Rosenheim)
Facade and Fenestration News for India The entire building shell will be a combination made of glass elements and surfaces, which are encased with organic PV film, whose photo-electric layer can be applied easily and cost-effectively. Organic PV modules (OPV) will be used frequently in the building shell despite the low level of efficiency, since the manufacture will be low-priced, it will be possible to apply the cells on different materials and geometries, and the efficiency even in weak light and at high temperature will be adequate. Even at present, efficiency levels of 12°% are achieved and the development is moving in the direction of 15 to 18 %, since the absorber materials used convert light of different wavelengths to electricity. Highly efficient PV modules on the rooftop will be installed in multi-layer technique, which, with an efficiency level of over 40°% will ensure that the house produces far more energy than it consumes.
with different levels of knowledge and capabilities should be able to use products and services easily and safely. The levels of comfort and visual well-being are also enhanced by innovative glazing units. Glass surfaces in the future will be capable of being darkened or used as multimedia screens, which work like an LED monitor screen. Even today, small and barely visible LED elements turn the glass into a screen, if needed, on which landscapes and moving pictures can conjure magic on the screen. Multimedia facades, which still comprise individually controllable LED strips today, will soon be replaced by flexible organic LED films (OLED), which can be applied easily on any shapes and materials. Organic LED cells make this possible, for which cost-effective print methods are presently being developed, with the help of which the costs can be reduced and customized products can be produced in small quantities. OLED (Organic LEDs) are a few nanometres thin, self-emitting thin, flexible light sources, which consist of organic semiconductors and form the basis for thin, flexible displays with shining colours and high level of contrast. Organic LEDs are already being used at present in MP3 players, cameras and mobile telephones and they will find their way into the multimedia facade. Their high level of colour rendering index, their natural white light and the good degree of energy efficiency are beneficial.
Figure 6 : Simple control of windows, doors, solar shading and building engineering services via smartphone will be a matter of course (picture: Somfy) In office and administrative buildings, cleaning, air-conditioning and artificial light form the largest cost block, and cost reduction by new technologies will drive their development. However, the greatest lever will lie with personnel costs, which may well constitute more than 80°% compared to the manufacturing or operating costs. The satisfaction of the employees and the sickness rate will also be affected by the room climate. It is, in fact, difficult to measure the correlation, but what is certain is that good quality of air, comfortable temperature levels and adequate daylight will improve the feeling of well-being. The control systems of today cannot provide any satisfactory solution and are often not accepted. Systems of the future will respond adaptively and, in conjunction with customised control via voice commands, they will improve the acceptance levels, and thus, the energy conservation.
Safety and comfort The energy efficiency is, in fact, absolutely necessary, but personal purchase decisions are also influenced by emotions. For buildings, this means more security, comfort, health and better presentation. Security for windows is one of the standard features and is achieved at present by suitable fittings and glazing. In the near future, automatic closing systems and a centralised building locking system with sensors in windows, doors and glass will become standard, and these will promptly send a message to the smartphone and to the nearest police station in case of damage or breakin. Sensors and electrical systems will also fetch a substantial plus for health, by ensuring adequate ventilation in a decentralised and natural manner via windows, which, if needed, can be opened or closed automatically, if the target values for humidity and CO2 content have been reached. Thus, condensation and poor quality of air become a thing of the past – even without fans at all. In summer, the automatic windows can be used for natural cooling at night, without you having to wake up in case of thunderstorms, since the rain sensor in the window will close the windows automatically. The levels of comfort by automatic windows and doors will then be taken for granted, particularly for older persons or handicapped human beings. The operation will then be user-friendly and intuitively via smartphone, so that it meets the human need, that is of controlling your own living environment independently and automatically.
Figure 8 : OLED films shall will become large multimedia surfaces in windows and facades (Picture: Philips Lumiblade)
Electronics and the Internet The opportunities of the Internet and mobile terminal devices are still in the initial stages, and we just cannot foresee today how intensively this technology will yet penetrate into our lives. The initial approaches are being manifested in the automotive industry, which is already working on autonomous and self-controlling vehicles. Since recent times, suppliers from the automotive industry are also providing electromagnetic components for the windows and fittings segment, and are bringing dynamism into the construction sector with their experience, competence and economical strength. This is why in a few years from now, electrically operated windows and doors with intelligent sensor technology will be the standard for sophisticated building control equipment. Particularly for older people or handicapped human beings, automatically opening doors and windows provide a big plus in the quality of living and are becoming bestsellers. Companies that use this technology and gather experience at an early stage will then be one of the gainers. The basis for standardised electrical interfaces have already been worked out and are being discovered as a mass market and undergoing advanced development by providers from other industries (automotive and electronics).
Figure 9 : The integration of mechatronic windows and doors calls for careful and diligent planning and execution of various interfaces. (Picture: ift Rosenheim) Figure 7 : Even today, modern windows facilitate natural ventilation with the help of automatically and intelligently controlled fittings technology. (Picture: ift-Fachinfo FI-UM02, Universal Design, Winkhaus) Manufacturers must grapple very intensively with the development of simple and intuitive control elements so that the consumer is able to use these products of greater complexity with ease in the future. The developments in the field of entertainment electronics and smartphones are already setting standards today, and they will soon also include the construction and living room segments. What is still visual control at present will be superseded tomorrow by voice commands and subsequently, perhaps, even by thought transmission. The design principle of the universal design offers a comprehensive approach for the development and utilisation of innovative products and construction elements. The objective of universal design is that as many human beings as possible
The enormous performance capability of electronic control systems in the future will be based on the principles of data mining. Data mining means that comprehensive data is collected from users and evaluated with the help of algorithms regarding potential patterns. In the process, methods of different disciplines such as computer-aided learning, artificial intelligence and statistics are used. This is how self-learning control mechanisms are created that identify the specific habits of the users quickly and certainly, and provide comfortable temperature, lighting conditions and fresh air accurately. They also lock all windows when the front door is closed. The Internet giant, Google, has acquired the building technology provider Nest Labs at the beginning of 2014 and will promote the development and control via smartphone. The smartphone will then perhaps be called Personal Assistant (PA) and will enable the operation of all electronic devices of the working and leisure world via voice command or by thought transmission with the help of a Man-Machine-Interface. Nobody can say with certainty whether artificial intelligence will enable machines to become autonomous
Facade and Fenestration News for India then. Nonetheless, human beings will remain a notch above the technology and equipment, and will be able to switch it off completely if desired.
About the authors: Prof. Ulrich Sieberath, Direcor of ift Rosenheim was born in 1957. Studied Wood Technology at the University of Applied Sciences, Rosenheim. Since 1982: Staff member at ift Rosenheim, Head of the DoorTechnology and Burglary Resistance Department. Since 1995: Head of the Certification Centre for Quality Management Systems and Products. Since 2000: Coordination of business units at ift Rosenheim. Since 2002: Deputy Director of the Institute. Since 02/2004: Director. Since 10/2012: Honorary Professor at the University of Applied Sciences Rosenheim. Additional functions and activities: • Lecturer at the University of Applied Sciences Rosenheim • Convenor/Chairman and member of several committees: Convenor of NA 005-09-01 Mirror Committee of CEN TC33; Convenor of CEN TC33 WG1 Windows and Doors; Chairman of SG06 (Doors and Windows) and SG 06/09 D Member of mirror committee to the Advisory Group of Notified Bodies; • Member of Examination Board of IHK for sworn experts • Specialist assessor for Accreditation Bodies: - DakkS Berlin – Federal Office of Measurement (Switzerland) principally for the fields of: Components testing for windows/doors/ facades, materials testing - wood/timber-based materials/glass, burglary resistance testing – windows/shutters/ doors/facades/glass/metal fittings. Dipl.-Ing. (FH) Jürgen Benitz-Wildenburg is the Head of the PR & Communications department at ift Rosenheim. ift Rosenheim is Europe’s premier testing institute and supports the window, facade and door industry, regardless of materials deployed, in all questions related to standards, research, accreditation as well as verification of tests or calculations and certificates. Mr. Benitz is also a Member of the AG “Stadtmarketing “(Urban marketing) of the city of Rosenheim and co-founder of the “Rosenheimer Holzspektakulum” as also a Lecturer at FH Rosenheim . He is additionally responsible for PR , Communication & Marketing at Academic Institute of Timber Industry and Plastic Technology, LHK, in Rosenheim.
Figure 10 : Data mining will capture all electronic devices Picture: © Trueffelpix, Fotolia)
Article to be continued in the next edition...........
fensterbau/frontale 2014 together with Holz- Handwerk – “The Trade-Fair” – Window, Door and Façade Technology The exhibition duo fensterbau/frontale and HOLZ-HANDWERK ended on Saturday, 29 March 2014, with a new record result. Over 108,000 trade visitors, some ten per cent more than at the previous event in 2012, found their way to Nürnberg during the four days of the exhibitions. Completely undaunted by token strikes in the German air traffic sector, more than 37,000 visitors from all over the world poured into the halls on the second day of the event alone – a top figure that has never been achieved on a single day by any other event in the history of the Exhibition Centre Nuremberg. Altogether 1,319 exhibitors from 39 countries presented current know-how and lots of innovations from the sectors concerned. Full halls, enthusiastic visitors and highly satisfied exhibitors – an apt description of this year’s fensterbau/frontale and HOLZ-HANDWERK. Both events, which take place in parallel in Nürnberg every two years, were impressive in every respect with an outstanding combination of quantity and quality on the part of both exhibitors and visitors. HOLZ-HANDWERK: the exhibition hummed! Not only the machines were humming in the halls of HOLZ-HANDWERK, but business too at this year’s gathering of the woodworking industry. With 524 exhibiting companies from 18 countries, the 17th edition of HOLZ-HANDWERK, the European Trade Fair for Machine Technology, Equipment and Supplies for the Wood Crafts, presented the top players in all segments. Carpenters and joiners from all over Europe could once again see for themselves the varied possibilities for working the material wood and the power of innovation of their trade. fensterbau/frontale: the sector’s international beacon Top-quality products and presentation – the 795 exhibitors at fensterbau/frontale 2014 sparkled with an unparalleled spectacle on the four days of the exhibition. The companies came to Nürnberg from 37 countries all over the world to present the whole spectrum of possibilities for the key themes of energy efficiency, sustainability, automation and design. These themes were not only found on the stands of the exhibiting companies, but in the supporting programme too. The big attractions for visitors were the special show “Vibrant research – for vibrant lives”, which was organized jointly by ift Rosenheim, the Fachverband Glas, Fenster, Fassade (Glass, Window and Facade Association) Baden-Württemberg, NürnbergMesse and the Federal Ministry for the Environment, Nature Conservation, Building and Nuclear Safety, the Forum Architecture under the title of “ART IN ARCHITECTURE”, and the presentation of the Innovation Award on the second day of the exhibition. All press articles, more detailed information and photos of the exhibition duo are available for free downloading at: www.frontale.de/press and www.holz-handwerk.de/press
Facade and Fenestration News for India International Management Institute by Abin Chaudhuri, Abin Design Studio, Delhi
Saves your energy Renews your windows
1 Project Name - IMI Bhubaneswar Location - IMI, IDCO Plot No.1, Gothapatna, District: Khurda Bhubaneswar IMI Bhubaneswar aims at presenting itself as a timeless piece of architecture, which bridges the gap between the past and the present cultural and social life of the Oriya people. Instead of letting the treasures be a part of the past, we attempted to recreate it in a modern setting, so we remember our roots, yet grow with time. Keeping in mind the extreme tropical summer temperatures, the structures have been designed and oriented on site to minimize heat gain and reduce use of electro-mechanical energy. The water court at the centre acts as a natural exhaust, cooling the air passing over it, and hence making the middle court a solace in the hot summer, providing relief from the hot and sultry tropical climate. The iconic tower in the centre of the plaza acts as a wind breaker and also helps in the evaporative cooling hence controlling the micro climate of the central plaza. There is a strong physical link between the library block and the academic block by a shaded walkway which eventually leads to maximization of interaction between the spaces. Locally available laterite and khondalite have been extensively used as materials for the outdoor areas. The central stepped plaza has been designed using solid laterite blocks. The energy spent in transportation was cut down immensely due to the usage of these locally available material. Rain water harvesting technologies have been deployed to conserve water. The water bodies throughout the site acts as catchment areas catering both purposes of water conservation and controlling micro climate of the site. The atrium of the library block has been pushed outside with an inclined glass box to invite natural light, hence reducing the cost for artificial lighting. Daylight analysis reveals that the design of interior spaces allows optimum daylight penetration with the aid of huge glass wall in the library atrium. Moreover, low VOC paints have been extensively used keeping in mind the indoor air quality and public health. The huge library block has been strategically placed to cast shadows all over the central plaza at different times of the day and create comfortable outdoor spaces in the scorching heat. To substantially cut down heat absorption, large overhangs have been integrated in the design from the very beginning to create huge shadows on the building itself and the outdoor spaces. This design is an attempt to build a structure which has a strong spatial quality and which stimulates a person, to fuse past tradition with the norms of the present. About the author: Abin Chaudhuri founded Abin Design Studio (ADS) in October 2005. Abin Design Studio gyrates among the few young enthusiastic design studios that aim to create a universal dialect of “responsible architecture”. In a recent international publicationADS has been nominated as one of top 50 young international design firms in the world –those will be leading light of world Architecture in 21st century. ADS also render comprehensive design and management solutions in interior, industrial, graphics and signage design along with architecture. Also in last 3 years, the firm has won major educational, hospitality and Museum projects through national or international level competitions. Currently the firm is doing many major public and private buildings around the country. Recently for some prestigious international projects ADS has collaborated with few international talent and design agencies. Completed projects of ADS have earned them numerous accolades more than 37 international and national awards and many more have been published in several international and national magazines over a slim span of eight years.
Revolutionary Design Style Energy Saving Recyclable
Window Features Weather resistance Sound reduction Self extinguishing
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SAI GLAZE SYSTEMS INAUGURATED The showroom of Sai Glaze System a venture of Sai Glass and Aluminium Corporation was inaugurated on the auspicious occasion of Gudhi Padwa on March 31, 2014 at Sharanpur Link Road. This new shop of classic window designs is the initiative of Mr. Amit Vispute. The shop has a collection of UPVC, Aluminium systems, glass aluminium cladding and glass glazing windows. The shop was inaugurated by dignitaries including Architect Sanjay Patil, Assistant Vice-President of Lokmat BB Chandak, Advocate Nitin Thackray, Advocate K. Ghuge and Industrialist Prasad Hire. The showroom, a one of its kind in Nasik, has on display technologically advanced windows which are also aesthetically pleasing. The showroom displays the entire range of Geeta Series including the newly launched “Geeta EG 50mm Sliding Series” and “Geeta EG 52mm Casement Series”. Geeta Aluminium has emerged as India’s foremost aluminium sections’ marketing, distribution and a retail company. With its headquarters in Mumbai, India; Geeta Aluminium has expanded its area of operation to cover several cities in the western region of the country and is now moving at a rapid pace to touch other regions as well. For further information please contact: Kushal Bajaj- email@example.com
Facade and Fenestration News for India
Climate Sensitive Facades They say a good envelop enhances the contents of a package !
by Amit Vakharia, D.Construct Project Management Pvt. Ltd.
vertical gardens. Green walls can create cooler microclimates, improve local air quality and sustain greenery in locations where other vegetation could not be supported. The green wall structure can vary from modular systems to sheet or board-based structures with felt pockets supporting plant life.
Having said this, a good building façade or envelop is one of the most significant contributors to the package of energy budget and the comfort parameters of any building. Modern Architecture has profoundly researched, analyzed and implemented various methods of energy saving just by using the right techniques and harnessing the natural resources in the scientific manner. As simple as orienting and developing the massing and geometry of any structure, making it positively respond to the natural setting of the elements like rain and sun.
Green Facades: Green facades are created through the growth of climbing plants up and across the face of a building, from either plants rooted in the ground, or those in containers installed at different levels up the face of a building. Climbing plants can attach directly to the surface of a building, or can be supported on a structure independent of the building. Twining or tendril climbers on a support structure enables installation of a green façade not just in front of solid walls, but also in front of a window or elsewhere, acting as a partition, privacy screen, sun shade or visually permeable structure. Facades generally create a cooler microclimate next to a building through shading and evapo-transpiration. All climbing plants will provide some retention of stormwater, cooling of the building, protection of the building, capture of airborne particulate matter and improvement in air quality, but these benefits will be greater for evergreen species with year-round cover.
When we speak of Climate Sensitive Facades, we give undisputed importance to energy savings and environmental impacts. A key metric for any climate sensitive façade (CSF) is the wall to window ratio. Needless to say that higher the ratio, more is energy consumption and vice versa. In an ideal condition of a 45% ratio, a lot is still desired from the basic orientation of a building (east-west or north–south), the method of glazing used etc.
All in all, a climate sensitive façade is just not a plain barrier of exterior versus interior or a plain canvas that a designer can use to display his creativity. It is actually a medium that creates comfortable interior for the occupants. A climate sensitive façade incorporates its surrounding and ambient external environment and in effect significantly reduces the energy consumption without compromising the comfort of the occupants. About the author:
The increased performance expectation towards priorities of environmental sustainability and
Amit Vakharia An Architect and a Construction Engineer by Education, Amit Vakharia has learned best of both the worlds in terms of Construction. How is it designed and what it really takes to really implement a design. Completed his Bachelors in MumbaiIndia, gaining substantial experience in Design Development, he have then moved to graduate as M.S in Construction Engineering from USA, and then have earned enormous experience in the field of Construction Management for over a decade in the USA. Currently, heading the Projects Vertical of a reputed development firm and consulting with various design development enterprises in India; implementing the best of both the worlds.
Excellent ranking for aluplast - The German uPVC Window Systems provider surges ahead climatic sensitivity on the glazed envelope resulted in various innovations, including one approach called the Double Skin Facade. A double-skin façade is characterized by the addition of a second glazing, either behind or in front of the insulated building façade. This layering introduces a greater depth to the façade system and results in a cavity which may be used to introduce airflow or shelter any number of control systems, such as shading devices. The introduction of an intentional airflow cavity, air inlets and air outlets create dynamic behavior which was not integral to the evaluation of single-skin facades. While glass is one of the major contributor to the wall window ratio, the opaque façade counterpart is of no less importance. Environment friendly products are strewn across the global market, each pitching and pitting against one another giving designers a varied choice of products from tiles to perforated metal sheets to standard low emission paints. One innovative method is slowly but very strongly and steadily gaining momentum is a GREEN Façade and Green Walls. Green Walls: Green walls are plants grown in vertical systems that can be freestanding but are generally attached to internal or external walls. Green walls allow for high density and diversity vegetating on vertical areas and differ from green facades in which the entire support structure is planted, as opposed to planting at the bottom of a structure that supports vertically growing vegetation. In green walls, the vegetation growing medium irrigation and drainage are incorporated into the one system. They are also known as living walls, bio-walls or
The German economy magazine ‘Wirtschaftswoche’ recently commissioned a national ranking of 3000 small/medium sized German companies. Amidst strong competition, aluplast managed to secure 4th place. The study, conducted by the German business consultancy Munich Strategy Group, involved measuring three main parameters: Innovation Culture, Innovation Strategy and Innovation Realization and computing an average Innovation Score. aluplast especially convinced with their window system energeto® as well as with their glueing technology Bonding Inside. “We are happy that our technologies get attention also beyond the window market and are honoured with an excellent ranking in a business magazine of such high repute”, commented CEO Patrick Seitz.
brand new, highly attractive, showroom. All products exhibited in Vrindavan are of the highest quality, which is the hallmark of aluplast group’s name and over 30 years of industry experience. “I am very happy to be working in partnership with aluplast,” said Mr. Khandelwal, “I am committed to quality and everybody who visits our showroom will notice that.” For aluplast’s high-quality decorative German-made window and door systems in Vrindavan please contact: Mr. Khandelwal of Hitam Enterprises via firstname.lastname@example.org/ email@example.com.
Also during the recent fensterbau/frontale exhibitions in Germany and India in March 2014 aluplast succeeded in making waves. The booth during the exhibition in Nuremberg, Germany presenting the latest product innovations proved to be a real crowd-puller and garnered a tremendous response. “The feedback from the visitors has further reiterated that we are on the right track not only with our new modular lift-and-slide door, but also with other new design solutions”, CEO Dirk Seitz confirmed. Similarly, aluplast’s Indian subsidiary aluplast India was very successful during the Indian leg of the exhibition in New Delhi, India. Recent innovations were presented under the motto “Quality Made in Germany”. A special focus was given to high-end products like the Lift and Slide door system which is a smart solution for metropolitan cities like New Delhi. aluplast’s stall was heavily frequented by newly interested window enthusiasts as well as existing partners and new promising partnerships were established. aluplast’s Indian network recently grew with the addition of a new showroom displaying the company’s uPVC window systems in Vrindavan, Uttar Pradesh. Mr. Hitesh Khandelwal, UP Channel Partner, established the premises along the busy Delhi-Agra highway emphasizing aluplast’s “Quality Made in Germany” advantage. A wide range of aluplast’s window and door solutions is exhibited in Mr. Khandelwal’s
During the German Centre’s (Gurgaon) recent celebration of the traditional German spring event May Dance on May 3rd 2014, aluplast participated in collaboration with another partner: Ewin. Having entered the business of manufacturing artistic and inspiring door and window systems in the year 2005, Ewin has been aluplast’s partner since 2009. It is a single-source fenestration company creating new avenues for high performance residential and light commercial fenestration for homeowners, contractors and architects. Ewin is a complete window solutions provider specializing in the design, manufacture, installation and service of precision-engineered, customized windows. During the event, aluplast and Ewin represented their companies to the Indian and international community of New Delhi and received a favorable response. For windows made by Ewin with aluplast’s products please see/ contact: www.Ewin.in / firstname.lastname@example.org
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