If the subfloor is stiff enough there is no reason why solid nail down strip flooring can t be run parallel to the joists.
How to lay plywood flooring on joists.
Laying your first piece in the outside corner of the floor you want the long dimension of the plywood to lay across six joists with the final edge ending up in the center of the 6th joist.
The plywood sheets lay perpendicular to the floor joists.
Both solid wood and engineered can be.
Wood floor fitting over joists.
These joists are stronger than comparable solid wood joists provide a 66 larger nailing surface for the plywood.
First renail the existing plywood subfloor so that the old nails are tight and add new nails to achieve a maximum nail spacing of 6 inches.
To answer directly to the question yes it is entirely possible to install a hardwood directly on top of the joists.
Typical floor joists in residential construction sit on 16 inch centers but depending on the framing the joists might be.
If the uneven floor is due to floor joists that have warped or twisted over time or were incorrectly installed the only way to level the floor is to remove the subflooring and shim the joists.
If you were to run your plywood the opposite direction then the board would only connect 3 joists.
A flooring contractor howard brickman responds.
Regarding my 3 8 exterior grade plywood which i am almost ready to apply for a floating wood floor as my theory went since the grain seems to run lengthwise along the 8 length laying the panels parallel to the joists would allow the cross grain 4 length to span between perpendicular to the joists where the added stiffness is desired.
3 4 inch plywood subfloor preparation.
If your attic joists won t bear the weight necessary to finish out a living space but the engineer cleared them to support floor decking for light storage you can install inch plywood or.
This is the typical structure of a floor.
However is it possible to install our finish floor directly over the joists without a subfloor in between.