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 ...

Without a vapor barrier at the rim space, you'll have relatively warm, moist air passing through the fiberglass insulation and then condensing at the rim joist. This can create mold or rotting.

The rim joist is the part of a home where the framing meets the foundation (the wood meets the concrete). To determine if the rim joists in your home are insulated, go into your basement or crawl ...

Lifestyle Tips on insulating rim-joist areas in a crawlspace Originally published April 29, 2011 at 8:19 pm Updated April 29, 2011 at 10:31 pm ...

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 ...

At least a 3-inch depth of closed cell spray foam is the only way to seal and insulate rim joist areas properly. This basement allows no organic matter to touch masonry walls or floors.

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 ...

To qualify for financial assistance, you must add insulation to at least 20% of the total foundation wall area (excluding shared walls). For basement rim joists, you must add insulation to at least 80 ...