Main concern is nails staples coming loose from the osb over time.
Bruce hardwood over osb.
Tap tongue and groove sheets together with a hammer but leave a.
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.
Hardwood flooring will not stabilize the osb subfloor so all movement must be remedied prior to hardwood installation.
My subfloor above grade consists of 23 32 sturd i floor osb over 24 oc joists.
Moisture contents of osb subflooring must be established prior to hardwood flooring installations.
Especially if you are using a stapler to install the wood.
Osb that has absorbed moisture on the jobsite shrinks as it dries which can loosen around nails and staples that attach the hardwood flooring.
A benefit to using staples over glue is that it can be walked on immediately.
I would not install hardwood directly over osb.
I ve heard of problems with nails not holding in osb all that well.
In the event the moisture differential between the osb and hardwood is too great at the time of installation problems can arise.
Osb is fine as a subfloor structurally but imo it won t hold a nail or staple as well as spruce plywood.
I will be installing bruce unfinished 3 4 strip flooring this weekend.
2 is there any advantage to.
1 should i use barbed nails or staples.