What Type Of Plywood For Attic Floor

Install two by four blocking between joists or wherever needed to support edges of the plywood that do not have support from the bottom.

What type of plywood for attic floor. A single 4 pack. 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. It might seem impossible to haul it up to the attic. The recommended thickness of the plywood subfloor is governed by the spacing of the joists.

The previous homeowner may have simply covered the joists with plywood to use the space for storage. Universal attic dek 4 pack made for 16 in. The national wood flooring association recommends a minimum plywood panel thickness of 7 8 inch for joist spans of 19 2 to 24 inches and a minimum plywood panel thickness of 5 8 inch for joist spans of 16 inches or less. 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.

Attic flooring panels are easy to install with their interlocking edges. My attic is located above my garage and currently the former owner had random pieces of plywood placed up there. Cut the plywood into manageable strips about 10 inches wide to make the job easier. Alternatively your attic may already have some sort of floor but this doesn t necessarily mean you can build rooms.

Plywood comes in large sheets. Attics with existing flooring. Some screwed others not. 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.

If your plywood subfloor is too thin it might not cope with the load and it might creak or squeak when you walk on it. 11 32 plywood attic dek attic flooring panel attic dek plywood subflooring 3 8 plywood 1 2 plywood 4x8.