Q My blown-in insulation -- Owens Corning, installed in 1993 -- is 12 inches deep. Can I roll blanket insulation over the existing insulation, rolled out perpendicular to the ceiling joists? Should ...

Adding sufficient attic insulation is an excellent way to protect your home from temperature extremes and moisture damage ...

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 materials, ...

Adding blown-in insulation to your attic space is a popular way to improve energy efficiency and reduce heating and cooling costs. But what if you already have fiberglass insulation? Do you need to ...

The right insulation will keep your home comfy and your energy costs low. Here’s how to calculate how much you need and what kind to buy. Adding insulation can be a low-cost way to cut energy bills.