How to Insulate Your Rim Joists with Foam it Green

How to Insulate
Your Rim Joists with Foam it Green

I had quotes to insulate rim joists in a rental house: $850! I ordered the FOAM IT GREEN and went to work! It took me less than an hour to do it myself! And here's the kicker: I'm a 52 y/o female, 5'2! HA! $500 still in my bank account! - Karen B., Painesville, OH

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Use Closed Cell Foam it Green for 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.

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How to Quickly and Easily Insulate an Attic Floor:

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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)


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