In general, an attic's R-value should be between R-30 and R-49. In particularly cold climates, you might go up to R-60. Let's say the insulation you've selected has an R-value of three per inch ...

The insulation must remain at least three inches away from the lights. If you have only a few recessed lights, it is often safest to replace the lights with IC-rated lights. Install foam attic ...

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. Keep in ...

At a minimum, homes should have attic insulation between R-22 and R-49 (6-to 13-inches of loose fill or 7-to 19-inches of ...

For example, one inch of insulation with an R-value of ... Meanwhile, people living in northern states should use attic insulation with R49 to R60 ratings and floor insulation with R25 to R30 ...

Jennifer Burke, with Koala Insulation, had her tape measure out in the attic of Michael and Ann Shea’s home in St. Charles County. “They’ve got about 14 inches of insulation, I would say ...

This figure is the square footage of the floor space and the attic above. Insulation is sold in rolls with square footage of coverage on the packaging. Your ceiling joists are either 16 inches or ...

It's most important to insulate the attic because that's where the majority of a home's heat is lost. Fiberglass blanket insulation provides an R-value of from 2.9 to 3.8 per inch of thickness.

Question: The home inspector who checked my house noted in his report that the attic insulation is about 6 inches thick. But he didn't mention whether it's made of fiberglass, asbestos or cellulite.

just grab a flashlight and a ruler and find the attic access. If you can see the tops of your ceiling joists through the insulation or measure six inches or less on average, then adding more is a ...

Knowing how to insulate an attic while leaving adequate clearance can be tricky. That’s because insulating it to the proper R ...