Looking for info and products to insulate and space condition my crawlspace. During A/C season (now) ducts drip water and cause excessive dampness. I’ve gotten the general information from EPA and similar sources. Would soy spray insulation make sense?
Gravel under house. Does 6 mil poly make sense or is there a better product for the ground level vapor barrier?
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6 mil poly on ground would be standard ... sealing it if you do have moisture issues will be the trick, I think.
What/where were you thinking of insulating? If ducts sweat, they should be insulated. If the poly on ground eliminates/reduces the RH, then maybe that takes care of everything.
Where are you located?