That’s great news for your wallet and the planet. But 9 out of 10 homes in the U.S. are under-insulated, according to the Environmental Protection Agency (EPA), with older residences especially likely ...

Foam board insulation is rigid and lightweight, making it easy to carry and install on floors, walls, ceilings, and around ...

Cons: It has a modest R-value and is more permeable to air than, say, spray foam insulation, so effective sealing before insulation is critical. While the fiberglass particles in some new products are ...