My house came with 1/2 inch EPS board already attached to concrete in our basement. Instead of ripping down, I would like to frame over foam with 2x4 studs and fill with rockwool. Per code I need R13 minimum in zone 4A. Is keeping the EPS board on concrete a problem here?

Can I frame and insulate over EPS panels?

Home Improvement Asked by Randy B on June 3, 2021

My house came with 1/2 inch EPS board already attached to concrete in our basement. Instead of ripping down, I would like to frame over foam with 2×4 studs and fill with rockwool. Per code I need R13 minimum in zone 4A. Is keeping the EPS board on concrete a problem here?

basement insulation

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