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|Compare Spray Foam|
The chart shows an R-value comparison of Spray Foam versus other types of insulation. "R" means resistance to heat flow. The higher the R-value, the greater the insulating power. Compare insulation R-values before you buy.
There are other factors to consider. The amount of insulation you need depends mainly on the climate you live in. Also, your fuel savings from insulation will depend upon the climate, the type and size of your house, the amount of insulation already in your house, and your fuel use patterns and family size. If you buy too much insulation it will cost you more than what you'll save on fuel.
To get the marked R-value, it is essential that this insulation be installed properly by certified professionals.
Typical Spray Polyurethane Foam Insulation Properties
Foam Is Made
Using specially-designed equipment, the installer sprays the mass onto or between wall surfaces. This mass forms into a hardened cellular plastic material containing a low thermal conductivity gas which cures to the touch in 30 seconds. The exposed surfaces of the rigid foam resemble a hard, tan colored shaving cream.
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