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 ...

Let’s face it: cutting foam with a knife, even a serrated plastic knife meant for the job, is a messy pain in the ass. This is as true for insulation board as it is for the ubiquitous expanded ...

Adding insulation to a typical home’s attic, flooring, basement, and crawl spaces can lower total energy costs by an average of 11 percent if you also plug unwanted air leaks.