Being new to these boards, I hate to post another really basic question. But I’m working on the exterior of a house, and I haven’t done this before.
I’m replacing some cedar siding on the back of my house with Hardieplank lap siding. To beef up the structure and give me a nailing surface, I’m adding 7/16″ OSB to the side walls and 3/4″ plywood to the back (gable end) wall.
I bought the plywood and OSB a few days ago and leaned it against the side of my house. I want to install it today, but, as fate would have it, it rained some this morning (a rare occurrence in San Diego). Not a lot, but enough to get the outer sheet of plywood, and the edges of others, wet. Some of the framing of the room was also exposed.
Does this rain exposure mean I should wait to install this OSB and plywood sheathing?
I know that it must be spaced and that it is much less subject to expansion and contraction than other types of wood, but I don’t know if I should now wait to install it. If it matters, it’s been in the upper 80’s and humid where I live in my part of San Diego.
Replies
I wouldn't be concerned about a light shower. I'd go ahead and install both types of sheathing as recommended.
nail it up.
Normal instalation calls for leaving a slight space between sheets to allow for this, but yours is pre-puffed already!
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Yeah, place sticks under the stack to get the bottom edges up off the ground, then use the wettest sheets last. Otherwise don't worry, be happy.
I live in the PNW. If we didn't frame in the rain, there would be no houses here. Once things are closed in and covered they dry very quickly, even in the rain.