If youre working. Its the simplest and least expensive basement area to insulate and will bring the highest return on your investment. The wooden rim or band joist area is where the houses wooden structure rests on the concrete foundation.
how to insulate basement rim joists
The main benefit of weatherizing the basement rim joists is air sealing.
How to insulate basement rim joists. On many older homes this work was done poorly or not at all and it will have more of an. Subscribe subscribed unsubscribe 616k. How to insulate your rim joists use spray foam or rigid foam to insulate and air seal this commonly ignored part of the house. Cut heat loss through the rim joists and tighten up your house with rigid foam insulation.
If you have an unfinished basement you can properly insulate the rim joists in two or three hours. This will also block tiny passages where spiders and other insects enter your basement. Use a box cutter to cut the insulation to length. By martin holladay issue 238 octnov 2013.
If you dont have any insulation at your rim space add this project to your list of to do projects. Properly insulating and air sealing rim joists band joists takes patience so some builders simply stuff in some fiberglass and walk away. If you want to improve the energy performance of your house you should probably start by air sealing and insulating your attic. Properly insulating and air sealing rim joists band joists takes patience so most builders simply stuff in some fiberglass and walk away.
Its not so much about insulating that area so perhaps this article should be really be called how to air seal basement rim joists. How to properly insulate basement rim joists. Its not as critical as attic insulation and it takes more time but its a good thing to do. Spiders bugs and even mice find the rim joist an attractive place to enter the home.
This area is notorious for gaps and cracks. Rim joists let in more than air. How to insulate rim joists with batt insulation houseimprovements.
