Insulation is a key component for home heating and cooling efficiency, which is why it is commonly installed in the walls and ...

Without the right insulation R-values, hot and cold air alike can flow right through a home’s flooring, walls, ceilings, and attic. But what exactly is R-value, and what does it have to do with ...

Be aware, though, that you may have to special-order mineral wool batts. We used Roxul r value insulation batts. Mineral wool ...

For attic walls, the recommended R-value varies based on climate ... Mixing types, like adding fiberglass batts over loose-fill insulation or blown-in cellulose, is also fine.