Buyer’s Guide to Green Insulation

Buyer’s Guide to Green Insulation

Insulation comes in a variety of forms. Loose fill is blown into (or sometimes damp-sprayed into) attic rafter spaces and wall cavities. Rigid foam insulation boards are usually put between the interior wall and the house’s siding, and foam is sprayed into wall cavities and used to seal air leaks. Blanket rolls and batts are used in attics and unfinished walls and cavities. Properly installed, loose fill, rolls and batts are all effective at reducing heat loss from conduction and air infiltration.

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