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Projects - How to Quickly and Easily Insulate Rim Joists

Use Closed Cell Foam it Green for Insulating Rim Joists

Insulating rim joists with Foam it Green is quick and easy to do. Plus the benefits range from much lower utility bills to reduced sound transfer. 

By using Closed Cell Foam it Green, you create a seamless air barrier and high r-value that will keep your home much warmer in the winter and cooler in the summer.

The rigid foam creates a pest barrier that helps keep insects, rodents, and even radon gas out. And because it never sags nor settles, once it's in place, it's done, unlike fiberglass. Plus, you're much less likely to have mold issues with the anti-microbial formula.



How to Quickly and Easily Insulate Rim Joists:

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1) Follow all of the instructions in the
included instruction manual regarding
proper Foam it Green setup, project area
preparation, and substrate readiness. Make
sure that you have all of the tools required
for the job (see Tools).

2) Make sure joist bays are dry, broom
clean, and in the correct temperature range.

3) Apply closed cell foam to achieve 1”
cured layers to desired thickness, sprayed
directly to the rim joist bay, connecting any
seams at the sill plate up to the subfloor.
(Fig. 1)

Download this page as a printable PDF >

Call 1-800-516-0949 for help in purchasing your kits.


Additional Closed Cell Kit Details:

The Easy to Use Spray Foam Kit

  • Spray foam insulation that's convenient and easy to use.
  • R-Value of 7 in 1 inch - 97% Closed Cell Foam. The best wall, basement or attic insulation.
  • Class I E-84 Fire-Retardant - meets building code spec.
  • 100% Free of CFCs, VOCs, Penta-BDEs, & Urea Formaldehyde


Spray foam kits are quicker and easier to use plus you get a seamless air barrier and high r-value in just 1 inch. Choose Foam It Green spray foam insulation kits and don't settle for less than you deserve.

If you'd like to start saving money and time today, buy Spray Foam Insulation now or call us at 800-516-0949. In 60 seconds you'll be on your way to paying lots less when you use Spray Foam Insulation. Click here now.

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