Is it very helpful to glue osb sheathing to the studs before nailing? Would that help with eliminating drafts or is it unessesary? Also do you guys generally put on osb before or after lifting the wall?
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depending on the size of the wall (and the manpower)we try to always sheath first. The sheathing acts like a straight edge/square to keep your walls square. As for glue I"ve never glued sheathing, floors always, but never sheathing. I'm not saying its wrong I dunno seems like more work for what end? Glueing the floors is suppossed to eliminate squeaks (supposed to) but i dunno why you'd glue walls.
In the floors. I have not heard about put adhesive on the walls. I know putting drywall adhesive to stop any air movement, but OSB on the walls???
If you need shear strength for earthquakes, glue would help a lot. If you don't have earthquake or hurricane considerations, glue would be a waste of time. For drafts, most of it wouldn't help at all. You might try caulking where the actual leaks are. Or look at the building gaskets from:
http://www.conservationtechnology.com
-- J.S.
maybe 3/4 t and g screwed and glued is better...or maybe even 2 layers?......
LADBS has tested shearwalls quite thoroughly. Their conclusion is that 1/2" struct #1 with lotas 8d nails -- like 3" or even 2" OC -- is the way to go. Failure was always due to nails pulling out.
-- J.S.