Open cell spray foam expands 100 times to fill all the cracks and crevices in the rim joist. With a total air seal that other insulation materials can’t hold a stick to, spray foam in the rim joist is one of the most cost-efficient ways for homeowners to take control of the comfort...
Rim joist insulation is a very important component of a well insulated home. Read all about the rim joist insulation options and methods available.
2009 Code to Approve Low-Density Spray Foam at Rim Joist.The article reports on the anticipated approval of the low-density spray foam at rim joist by the International Residential Code.EBSCO_bspEnergy Design Update