An insulated basement or crawl space provides many benefits year-round, and the rim joist (or band joist) ... which is sold as insulation boards that are 2 inches thick.

In colder climates, it is important to insulate the rim joists, also known as band joists in some areas. When floor joists are installed, a board, either a 2×10 or a 1×10, ...

Question: What are rim joists, and how do you insulate them? Our home was recently inspected and the buyer asked that we pay for the repairs. Is this something I ...

Depending on your skills — and if working in small, dark areas is not a problem — then yes, it’s easy to insulate the rim joists. A typical floor joist is a 2- by 10-inch joist set 16 inches ...