Attic Plywood Thickness

11 32 plywood attic dek attic flooring panel attic dek plywood subflooring 3 8 plywood 1 2 plywood 4x8.

Attic plywood thickness.

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. The previous homeowner may have simply covered the joists with plywood to use the space for storage. However the same can t be said if you are planning on using the space as a living space. 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.

Plywood flooring thickness is important for proper weight distribution. As an alternative 3 4 osb can be used. Or 6 answers. I assume 3 4 inch but there are many types brands to choose from.

In that case you will need to use 3 4 thick plywood. My attic is located above my garage and currently the former owner had random pieces of plywood placed up there. Some screwed others not. Don t use 7 16 osb as it is intended for external sheathing.

Universal attic dek 4 pack made for 16 in. Measure the plywood and attic door. A 3 4 sheet is actually 23 32 thick. You ll need to make sure that the plywood can fit through your attic door.

How thick should plywood floor be for attic. Attic storage might be a good idea but other issues such as insulation joist spacing and intended usage should be taken into consideration. I want to setup the space over the garage to allow us to store itemsi know eventually i will have to install an attic ladderneed to know how thick the plywood for the floor should be. Plywood is often sold in 1 4 1 2 or 3 4 nominal thicknesses but the actual thickness is often 1 32 thinner.

On nov 12 2018. A single 4 pack covers approximately 10 sq. Because the actual thickness may vary measuring the plywood is the only accurate way to determine its thickness. Attic flooring panels are easy to install with their interlocking edges.

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. An attic can be floored with 1 2 cdx plywood if it is being used only for storage. In attics built purely for storage purposes you may find 2x6 ceiling joists or in some cases. On center joist spacing.

Purchase half inch 1 27 cm thick plywood to act as your flooring.