Future Green Construction with Structural Insulated Panels
August 25th 2010 19:47
The most common types of SIPs use insulation made from expanded polystyrene or polyisocynurate. They are also made with a compressed straw core.
Expanded Polystyrene Insulated Panels,
Most of these panels are made with expanded polystyrenefoam board insulation. they usually carry a R-value of about 4 to 5 per inch of thickness.they are avaiable in almost any size but the most common size is 48" x 96". They also weigh about 110 pounds.
Polyisocynurate and Polyurethane Insulated Panels,
Some manufacturers use this method of injecting foam between two wood skins. When hardened, the form produces a strong bond between the foam the skins. These SIPs usually carry a R- value of usually 6 to 7 per inch.wall panels from this material are usually 3.5 inches thick. the ceiling panels are up to 7.5 inches thick.These panels are more expensive but they are more fire and moisture resistant than EPS. They also insulate better.
Compressed Straw Core Panels
Straw SIPs are more environmentally friendly because they are made from recycled agricultral straw. They do not carry the highest R- value and are considerably more heavier.
SIPs are made in the factory and are shipped to the jobsite. Builders then connect them together on the consruction site. These panels are erected quicker than standard stick construction. There are also home kits avaiable and there are many companies taht manufacture these kits. Just go to your search engine an type in Structural Insulated Panels.These panel are also great when it come to flame retardation.
These panels I belive is the trend of the future to help us become green!!!
HAPPY CONSERVING!!!!!!!
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