Foam board insulation is easy to use and a great DIY way to add some insulation. It comes in standard-size 4×8 sheets and smaller sizes, in thicknesses from 1/4-in. to two inches. Some types of ...

The average cost of foam board insulation is between $2.40 and $3.75 per square foot. Spray Foam Spray foam insulation, like blown-in, is great for adding insulation to existing finished areas and ...

With this unit as the standard to go by, open cell spray foam insulation costs between $0.45 and $0.65 per board foot. Closed-cell spray foam is more expensive, costing between $1 and $1.50 per ...

Like rigid foam insulation, the standard thermal barrier is 1/2" gypsum board, but in some cases—like in attic insulation—an ignition barrier like 1/4" wood or 3/8" gypsum board is necessary.

Then they covered that with an open-cell foam board that’s 3/4-inch thick. It seemed the smart thing to do is tear all this off, and I started to do just that, but then I thought to ask you ...

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 that, but then I thought to ask you ...

Spray foam insulation has been used to stop heat escaping from roofs, lofts and attics for decades and comes in two forms. Closed cell spray foam is rigid once set. It is a better thermal ...

Built in the 1840s from barge board, Maria Lana’s Bywater cottage is a perfect example of New Orleans vernacular architecture. It also was less than comfortable during cold snaps.