An insulated basement or crawl space provides many benefits year-round, and the rim joist (or band joist) is often a focal point in energy-saving initiatives. Installing insulation at the rim ...

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 ...

When floor joists are installed, a board, either a 2×10 or a 1×10, is nailed across the ends of the floor joists to support them in an upright position until the sub-flooring can be installed.

Q. 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 can do myself? A. Rim joists are the ...

Q: Should we insulate the rim-joist cavities of a crawlspace foundation? I am a builder, and where I live the codes require insulation, but I have discovered that the insulation ...

Start with the rim joist. If you don't have any insulation at your rim space, add this project to your list of 'to-do' projects. It's not as critical as attic insulation and it takes more time, ...

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 ...

Rigid foam is the best insulation for rim joists. We chose 2-in.-thick (R-10) "extruded polystyrene." Don’t use "expanded polystyrene," which is a less effective air and moisture barrier.

Question: Should we insulate the rim-joist cavities of a crawlspace foundation? I am a builder, and where I live the codes require insulation, but I have discovered that the insulation ...