

Is $7,000 to insulate joists with spray foam a fair price?
Project Details
I was quoted almost $7k for some foam, so I'm doing this myself slowly. I'm using R-7.5 wall panels and then spray foaming the edges. The concrete that the joists sit on is slanted, and I'm unsure if I should leave an air gap or push the foam board all the way back against the exterior.
Quote Details
- Service: Professional spray foam insulation - Application: Joist pockets
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More Details
Category
Insulation
Price
$7,000
Quote Date
April 8, 2026
Insulation Type
Spray foam
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