What Kind Of Plywood For Attic Floor

The recommended thickness of the plywood subfloor is governed by the spacing of the joists.

What kind of plywood for attic floor.

11 32 plywood attic dek attic flooring panel attic dek plywood subflooring 3 8 plywood 1 2 plywood 4x8. Plywood comes in large sheets. I assume 3 4 inch but there are many types brands to choose from. 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 decision regarding the thickness of plywood to use for the subfloor in the attic has a lot to do with how you intend to use the attic and it also depends on the spacing of the ceiling joists. I wanted to add more plywood to the area and wanted to know if any specific type i should use. Some screwed others not. Select 2 to 4 items to compare.

Install two by four blocking between joists or wherever needed to support edges of the plywood that do not have support from the bottom. It might seem impossible to haul it up to the attic. Cut the plywood into manageable strips about 10 inches wide to make the job easier. Some experts suggest that 15 32 inch plywood should be standard if the underlying floor joists are spaced 16 inches apart or less but slightly thicker 3 4 inch plywood should be used for joists spaced further apart.