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Small Cabin Forum / Cabin Construction / Caulking OSB sheathing
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Ditchmonkey
Member
# Posted: 24 Jun 2016 03:20pm
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Do you bother to caulk the gaps and seams in the OSB sheathing before installing the house wrap?

Steve_S
Member
# Posted: 24 Jun 2016 06:38pm
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Some folks do, some don't, generally contractors don't from what I have seen. I just taped over my H clips and seams with the Red Tuck Tape then applied my Tyvek. That 1/8th will disappear when it's damp out, so if you want to caulk it, use something like Butyl or Quad which will remain flexible and move a bit with the OSB.

bldginsp
Member
# Posted: 24 Jun 2016 06:40pm
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I think it's best to let the building have some ability to breath- if you tighten it up too much, moisture can't escape, and ends up condensing in the walls leading to mold.

MtnDon
Member
# Posted: 24 Jun 2016 07:03pm
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Never seen a manufacturers info that said to caulk. I would not. But be sure to space as spec'd.

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