What Thickness Plywood For Attic Floor

The finished floor is then installed on top of the subfloor.

What thickness plywood for attic floor. However the same can t be said if you are planning on using the space as a living space. 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. The thickness of plywood. Another option is to skip the plywood flooring altogether and use dimensional lumber.

Attic flooring panels are easy to install with their interlocking edges. The recommended thickness of the plywood subfloor is governed by the spacing of the joists. Universal attic dek 4 pack made for 16 in. 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.

If your joists are 16 on center then you could get away with 1 2 plywood. On center joist spacing. The subfloor is the decking installed on top of flooring joists. Plywood flooring thickness is important for proper weight distribution.

1 x 6 3 spruce is a step up from pallet quality wood but makes a fine usable floor in an unfinished attic space. To make the job easier use a circular saw to cut the plywood sheet first into 2 2 8 strips which will be much easier to handle. What size plywood do i use for a subfloor. As an alternative 3 4 osb can be used.

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. That s what you should find on your home s main flooring areas. Attic storage might be a good idea but other issues such as insulation joist spacing and intended usage should be taken into consideration. For joists 24 on center 3 4 plywood is what i would use.

11 32 plywood attic dek attic flooring panel attic dek plywood subflooring 3 8 plywood 1 2 plywood 4x8. A single 4 pack covers approximately 10 sq. In that case you will need to use 3 4 thick plywood. 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.

An attic can be floored with 1 2 cdx plywood if it is being used only for storage.