Foam board insulation is easy to cut with a circular saw and a masonry blade, or scored with a utility knife and snapped like ...

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 ...

Insulating knee walls effectively creates a thermal barrier, improving energy efficiency and indoor comfort year-round. Use fiberglass batts cut to fit snugly between studs. Add rigid foam boards ...