Read the included manual to ensure you meet all osha requirements.
Spray foam rim joist.
Plan on using 2 to 3 inches thickness of cured foam in order to get both the air seal and a high r value.
Step by step directions.
Check if the kit contents are between 70 f 120 f.
Closed cell spray polyurethane foam spf is an excellent choice for insulating attics and rim joists.
Prep area by removing all water oil dust dirt or debris.
Rim joist spray foam insulation.
Gently rock tanks back and forth.
Make sure all flame sources are extinguished.
Critical seal application at basement rim joist spray foam can be left exposed in basement or conditioned crawlspace application for air barrier purposes spray foam must connect from foundation wall up rim joist and to floor sheathing photo above shows basement insulated mid thickness within.
Spray foam insulation will fill every nook and cranny in the rim joist as it creates an air barrier that will seal the area to stop any outside air from getting in.
This is the fastest and best approach for insulating rim joists is to use a spray foam contractor or if you decide to do this yourself then use the daps system 600 touch n foam spray foam insulation.
Closed cell spf is an effective thermal air moisture and vapor barrier.