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EIFS before 2000 were barrier systems, meaning that the EIFS itself was the weather barrier. After 2000, the EIFS industry introduced the air/moisture barrier that resides behind the foam. In a study done by the Department Of Energy's Office of Science - Oak Ridge National Laboratory, it was found that the best air/moisture barrier was a fluid ...
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BES—Bulk electric system (Electricity transmission) BESS—Battery Energy Storage System; BfP—Bureau Fédéral du Plan (Belgium). (Has responsibilities over economic, social and environmental policy; bhp—Brake horsepower; BIA—Bureau of Indian Affairs (US) BIPS—Bulk Independent Power System; BIPV—Building Integrated Photo Voltaic; bl ...
External wall insulation systems generally comprise firstly an insulation layer (an element which helps to achieve the requisite thermal performance); and secondly,a protected weatherproof finish (usually a render, although brick slips, [3] tiles, and decorative boards can also be used). Insulating render can also be an advantage in certain ...
The therm (symbol, thm) is a non-SI unit of heat energy equal to 100,000 British thermal units (BTU), [1] and approximately 105 megajoules, 29.3 kilowatt-hours, 25,200 kilocalories and 25.2 thermies. One therm is the energy content of approximately 100 cubic feet (2.83 cubic metres) of natural gas at standard temperature and pressure .
An informative EIFS website is www.eifs.com and this site has free, downloadable general EIFS information. EIFS accounts for about 10% of the exterior wall construction in the USA, and has a number of features that contribute to its popularity including a modern seamless look, the ability to mimic other materials, reasonable cost, and high ...
Once airtightness is achieved, it has often been sufficient to choose the thickness of the insulating layer based on rules of thumb. Diminishing returns are achieved with each successive doubling of the insulating layer. It can be shown that for some systems, there is a minimum insulation thickness required for an improvement to be realized. [12]
ewis vs eifs I agree that the external wall insulation system (EWIS) in Europe is essentially the same as the exterior insulation finishing system (EIFS) in North America. However with the differences in terminology, materials, histories and governing bodies I think it is reasonable to not merge these articles.