rim joist

rim joist, rim board

A piece of wood, around the perimeter of a wood frame, to which the ends of floor joists are attached.
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Most of the rim joist wetness and mold are caused by the moisture from the uncovered crawl space dirt floor migrating through the rim joists' fiberglass insulation, which is lacking a plastic vapor retarder.
Also, check the rim joist areas above the foundation walls in the basement and plug any gaps with fiberglass insulation.
The basement was constructed with insulated concrete forms (ICFs) and the rim joist was insulated on the outside with 5.
Unlike traditional fiberglass insulation, Nash Distribution's Basement Doctor Plus Spray Foam Insulation works as an air barrier, stopping air infiltration at the rim joists of basements and crawl spaces.
The products can help a home receive an Energy Star rating and are used to insulate full wall cavities, floors and rim joists, as well as sealing around vents, plumbing and electrical penetrations.
In addition, check other fasteners on the decks frame, rim joists, and stairs.
The Environmental Protection Agency estimates homeowners can typically save up to 20% of heating and cooling costs by air sealing their homes and adding insulation in walls, attics, floors, crawl spaces and basement rim joists.
I have caulked, added ridged foam insulation and "Great Stuff'' foam to the rim joists in the crawl space, used foam shields in all the electrical boxes and tried tightening up the house as much as I could.
As a smaller lightweight system, the E-8p is ideal for spraying attics and rim joists in existing homes, touching up foam insulation in tight areas.
Two sets of 2-by-10s bolted to the posts make reinforcing rim joists that support the floor and the roof.
Home owners can typically save up to 20 percent of heating and cooling costs by air sealing their homes and adding insulation in attics, floors over crawl spaces, and accessible basement rim joists.
The most efficient way to vent bathrooms is to do so downward through a basement or crawl space and outside through the rim joists.