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Home & Garden Articles
Rigid Foam Insulation - Its Application and Advantages
Wed 11 Nov 2009 - 16:42
Rigid Foam Insulation - Its Application and Advantages
By [http://ezinearticles.com/?expert=Alexander_Isaac]Alexander Isaac
Rigid foam insulation is typically used to pad foundations and slabs, where it is commonly used for exterior and foundation applications. It is sprayed onto the inside surface and then steel reinforcing bars are used to fasten it to the concrete and then poured to cover the steel, all from the inside. It is usually found only in higher-end custom homes.
When this is carefully laid down over a layer of screened sand (on basement walls and exterior walls), it is found to be the best protection to use for these purposes. It is also waterproof and has high thermal rating, especially when it is sprayed on the inside surface and is sandwiched between two structural panels. It is also easy to install with nails or glue, and is very effective in applications with space limitations and where higher R-values are needed. It is often used for unfinished buildings and attics.
This is a solid type of insulative material used in almost every industry concerned with heat transfer, especially in the refrigeration industry, for its inherent efficiency and prevention of air movement. It can even be cut to the size of the cavity with a hand saw and held on with screws and plastic washers.
Unfortunately, exterior application may reduce the probability of early discovery of termites, and may inhibit treatment when discovered. The form of the application, either as foam boards placed on the exterior of a foundation or as a foam wall system, could provide a concealed entry path for termites originating from the ground.
Alexander Isaac writes about rigid foam insulation at http://www.rigidfoaminsulation.net
Article Source: http://EzineArticles.com/?expert=Alexander_Isaac http://EzineArticles.com/?Rigid-Foam-Insulation---Its-Application-and-Advantages&id=3208369
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