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funkybus t1_ix92w5j wrote

spray foam for vapor barrier and insulation. only way. is it slab on grade? when i did mine, we laid down 1” of pink board and poured a new 4” slab with hydronic in it. revolutionary.

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Teddy_canuck OP t1_ixaahag wrote

No it's a crawlspace and cinder block foundation

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funkybus t1_ixabqbv wrote

if it is possible, a hydronic slab would work wonders. cold floors kill those spaces in cold weather. pity to insulate and still have it be uncomfortable.

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Teddy_canuck OP t1_ixas4xa wrote

Oh jeez I'd have to tear the whole floor up and spend forever dealing with it. It'd be my last resort if changing windows and spray foaming didn't work

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