Ensure that no fasteners are exposed or raised and that there is at least an 1 8 inch gap between osb subfloor panels.
Bruce hardwood over osb.
Moisture contents of osb subflooring must be established prior to hardwood flooring installations.
There may be some exceptions to engineered floors that can be stapled down check product instructions.
1 should i use barbed nails or staples.
Tap tongue and groove sheets together with a hammer but leave a.
A benefit to using staples over glue is that it can be walked on immediately.
Main concern is nails staples coming loose from the osb over time.
Osb that has absorbed moisture on the jobsite shrinks as it dries which can loosen around nails and staples that attach the hardwood flooring.
Hardwood flooring will not stabilize the osb subfloor so all movement must be remedied prior to hardwood installation.
I ve heard of problems with nails not holding in osb all that well.
I would not install hardwood directly over osb.
Install 23 32 inch or thicker osb panels in the proper orientation that is with the side marked this side down facing down.
Flooring is attached with staples to the subfloor which can be plywood oriented strand board osb high density particle board or even existing wood flooring.
I will be installing bruce unfinished 3 4 strip flooring this weekend.
Osb is fine as a subfloor structurally but imo it won t hold a nail or staple as well as spruce plywood.
Especially if you are using a stapler to install the wood.