Basement Project: Insulating Foundation Walls
I’ve decided to start this project by lining the walls with Owens Corning Foamular 250. It comes in 8′ x 2′ sheets and costs about $20 at Home Depot. It has an R-10 rating, which might be sufficient on its own, but I think I’ll add unfaced insulation to bump it up even higher. I’m staying away from faced insulation on the perimeter walls because I don’t want to invite mold to the party. I’ve attached it to the walls using Loctite PL300 foam board adhesive. The joints are sealed with sheathing tape I found on Amazon.
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- Foamular Sheets
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- Sheets Installed with Tape
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- Close-up Foamular
Next up… starting my first wall!
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