Archive/Subscribe | www.sprayfoam.org December 30, 2014
 

This Old House Contractor Cites Sprayfoam as 'Favorite' Insulation

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When it comes to insulation, says This Old House general contractor Tom Silva, money truly can buy happiness. "It's the wisest way to invest that I know of," he says. "A well-insulated house will make you more comfortable in every season. And it's quieter, too." 
 
Whether it's thick blankets of fiberglass batts, meringue like mounds of sprayfoam (Tom's favorite), or layers of seaweed (discovered under the floors of the first TOH project), all insulation works the same way: by trapping tiny air pockets that slow the movement of heat out of a house in winter and into a house in summer. Its effectiveness at resisting this movement is called its R-value; the higher the value, the lower your energy bills. 

But to achieve its rated R-value, insulation must be installed correctly. In fact, a bad job can actually make matters worse. Read more here.
 

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