Best Plywood For Flooring Attic

Installing attic flooring for light storage only.

Best plywood for flooring attic.

Attic space offers many options for building storage or living space especially if you already have a well built basic flooring in place. Best seller attic dek universal attic dek 4 pack made for 16 in. However the same can t be said if you are planning on using the space as a living space. Flooring your attic is the best way to add space to your home at a low cost.

You can install inch plywood or oriented strand board osb in 4 foot by 8 foot panels over existing 16 inch oc joists. Obviously using 3 4 plywood on 16 joist centers is also good. 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. Plywood roof sheathing 5 8 plywood attic dek 3 8 plywood osb 4x8 11 32 plywood.

Universal attic dek 4 pack made for 16 in. A single 4. You can for instance use recycled materials. Attic flooring panels are easy to install with their interlocking edges.

Plywood flooring thickness is important for proper weight distribution. An attic can be floored with 1 2 cdx plywood if it is being used only for storage. While this is not the optimal setup it is acceptable to have ceiling joists covered with plywood or osb to use for light attic storage of dead loads. In attics built purely for storage purposes you may find 2x6 ceiling joists or in some cases even 2x4 joists.

On center joist spacing. Attic storage might be a good idea but other issues such as insulation joist spacing and intended usage should be taken into consideration. That s what you should find on your home s main flooring areas. The wood should be at least 5 8 inch thick to handle a heavy load.

But best to. Since the boards are sold in 4 foot by 8 foot sheets you may need to cut them into 2 foot wide strips to get them into the attic space. 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 s possible to create a solid floor without investing a lot of money.

For joists 24 on center 3 4 plywood is what i would use. Don t use 7 16 osb as it is intended for. Plywood or chipboard is the least expensive option for storage flooring. The recommended thickness of the plywood subfloor is governed by the spacing of the joists.