Your attic’s insulation plays a big role in maintaining energy efficiency, reducing utility bills, and keeping your home at a comfortable temperature year-round; however, older insulation ...

Fiberglass blanket insulation provides an R-value of from 2.9 to 3.8 per inch of thickness. Loose-fill cellulose insulation can vary from about 3.2 to 3.8, depending on how thoroughly it is installed.

1. Cellulose insulation is primarily made of recycled paper products. One of the best features of cellulose insulation is that it’s a green material that is made primarily from 80 to 85 percent ...

Say you find 14 inches of blown-in cellulose insulation, which has a typical R-value of around R-3.5 per inch, in your attic. That means your attic is insulated to about R-49, or 14 x 3.5.

Q. We're going to add more insulation to our attic this fall. How much do we need? And you've written a few times about warm air from the house getting into the attic. But, looking at the ceilings ...

Curious about blow-in cellulose insulation, what it does and how to install it? This blow-in cellulose insulation guide will cover it all.

Q: What kind of additional insulation can I put into the attic in my 1,550 square-foot condo? There was lots of cellulose installed when the unit was built, but now ...