Which side does the fiber glass go...paper or pink side...???

Question

Ok, this has been a huge arguement with my family....

When installing the pink fiber glass installation UNDER your house...

Do you put the paper side toward the wood or the pink stuff toward the wood....

So what's showing when you look under your house when your finished, the pink fiberglass or the paper????

Thank you soooo much!!!!

Answer 1

In heating climates, homes with subfloors of plywood or OSB sheathing generally will not need a separate vapor retarder. But older homes with sub-floors made of wood planking may need a separate vapor retarder. (In Gulf Coast and Florida, local building practice may not call for any interior vapor retarder.) If needed, simply cut strips of polyethylene the width of joists and staple directly to underside of subfloor, or use kraft-faced insulation with the PAPER UP and in contact with the subfloor.

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