How To Lay Plywood Flooring On Joists

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.

How to lay plywood flooring on joists.

Typical floor joists in residential construction sit on 16 inch centers but depending on the framing the joists might be. Both solid wood and engineered can be. If the subfloor is stiff enough there is no reason why solid nail down strip flooring can t be run parallel to the joists. To answer directly to the question yes it is entirely possible to install a hardwood directly on top of the joists.

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. The plywood sheets lay perpendicular to the floor joists. These joists are stronger than comparable solid wood joists provide a 66 larger nailing surface for the plywood.

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. Wood floor fitting over joists. If you were to run your plywood the opposite direction then the board would only connect 3 joists. The second floor of this house is built with 2 x 10 wood i joists joists that resemble steel i beams and are 9 5 inches thick 16 on center and spanning 13 5 feet.

Lay down 3 4 in 1 9 cm tongue and groove plywood panels over the joists then use wood glue or panel adhesive and galvanized flooring nails to secure each panel around its edges. 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. A flooring contractor howard brickman responds. This is the typical structure of a floor.