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Windtight building envelope
Climate change - Save energy with SIGA
We all know how important it is to protect our environment and preserve natural resources. The CO2 consumption of the industrial nations is continuously increasing, earth is heating up and the climate changing.
We at SIGA are aware of our ecological responsibility and make a huge contribution to the protection of our environment. But we also protect your wallet.
With our SIGA system, you can save a lot of energy after building or renovation of a house. Thanks to a thoroughly sealed air and windtight building envelope heat stays where it belongs - in the house. This will considerably reduce your heating costs, unlike a building envelope with sealing gaps.
The heating is by far the greatest energy guzzler in our households. A gap of one-millimetre width and one-metre length already reduces thermal insulation in this area by about 40 %. A properly sealed airtight layer will cut your heating bill by about 1/3. As a result of the reduced thermal loss also your CO2 emission will drop. So kill two birds with one stone: save cash and simultaneously counteract the climate change!
Specialties
The air and windtight building envelope The air and windtight building envelope can be compared with the clothing of people. In cold and damp weather several layers of clothes proved their value ("onion principle"). On the skin you wear functional underwear to carry sweat away from the skin. This corresponds to the airtight building envelope formed by the base plaster on the masonry and the vapour control layer in the roof. It is required by Part L of the Building Regulation from July 2008 (IRL, UK) and § 6 of the German energy saving regulation (EnEV) and can be easily tested by a blower-door test. A woolly sweater protects from cold (= insulation). But in cold, windy weather this sweater is not sufficient; you additionally need a windtight jacket (= facade membrane or breathable membrane). When this jacket is open, cold wind and moist air enter the sweater and you feel cold. If it is, however, closed, which corresponds to the windtight building envelope, wind and weather are kept out and the body remains comfortably warm. This layer is formed by the roofing tiles and the permanently sealed breathable membranes. Mould does not only damage the building construction and surfaces but may cause serious health consequences for the occupants because of the mould spores in the indoor air, e.g. allergies and respiratory diseases. Children and older people are particularly sensitive to such influences
Industry
Windtight building envelope
Country
Switzerland
Company address
Rütmattstrasse 7 , Ruswil CH-6017
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