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ThinkSharp OP t1_j5zo28v wrote

Reply to comment by danauns in Insulating crawl space with sub-grade walls, or spray insulate floors? by ThinkSharp

Fair enough. What’s the proper adhesive for rigid foam against a vapor barrier? (I would assume I could put foam on the vapor barrier I have, wouldn’t have to put it under it and against the CMU?)

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danauns t1_j5zql6p wrote

What's the foundation wall?

I really like the insulfast/ramset - really quick no no fiddling around. Click, bang done.

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ThinkSharp OP t1_j60j8v4 wrote

CMU, no termite powder treatment or anything just standard. LACKS a metal termite shield however so I want to leave a 1/2 gap to monitor for tubes.

The company that installed the vapor barrier up the walls does encaps too. They drilled and used a plastic one-way fastener.

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