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 ...

Properly insulating and air-sealing rim joists (band joists) takes patience, so most builders simply stuff in some fiberglass ...

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 ...

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, ...