A rim joist, or band joist, is the framing member that runs along the perimeter of a floor system at the outer edge of the foundation. It serves as the end cap for floor joists and sits upon the ...

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 ...

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, ...

The rim or band joists have little structural value, and I have seen homes with no rim joists at all. The floor cavity was exposed to the backside of the brick veneer.

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 ...

Dwight BarnettHomefixQ 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 ...

Some builders refuse to insulate rim joists because of moisture problems, which lead to mold and decay. When a newly constructed home's crawlspace is fully enclosed and sealed, a lot of moisture ...

Some builders refuse to insulate rim joists because of moisture problems, which lead to mold and decay. When a newly constructed home's crawlspace is fully enclosed and sealed, a lot of moisture ...

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.