1. Foam board insulation Foam board insulation is one of the most common types of attic insulation. Also known as rigid foam insulation, it is made from a type of plastic and can be cut to size to ...

The attic is where you’ll get the biggest return ... They can be used in conjunction with foam board sheathing on the exterior. Insulating interior walls can help with soundproofing and ...

The foam board is used to cover the exteriors of buildings (under roof shingles or siding) while spray foam is used to fill wall cavities or under attic floors. The median range cost of ...

Depending on the conditions of your attic, that may be difficult to achieve. In contrast, spray-foam insulation has an R-value of 3.7 per inch for open cell and 6.2 per inch for closed cell.

Q: I just got a bid for insulation of my 824-square-foot attic for $1,200. That seems pretty high. The contractor would blow in cellulose insulation. But you have said that expandable foam against ...

How Can I Insulate an Attic With Limited Ventilation? When soffit vents aren’t available, focus on using alternatives like ridge vents, gable end vents, attic fans, or wind-powered vents.

Q: My question is about foam insulation. I went to a meeting about insulating attics, and the speaker said that you could seal up the entire attic with foam with no ill effects. He would spray the ...

It’s got an aluminum foil face on it. Then they covered that with an open-cell foam board that’s ¾-inch thick. It seemed the smart thing to do is tear all this off, and I started to do just ...

Adding attic insulation to an old home is usually ... All of these are referred to as foam board insulation. They’re typically installed against a wall surface and have a wide range of r-values ...