Attic Plywood Thickness

However the same can t be said if you are planning on using the space as a living space.

Attic plywood thickness.

Or 6 answers. A 3 4 sheet is actually 23 32 thick. In attics built purely for storage purposes you may find 2x6 ceiling joists or in some cases. Take the measurements for your subfloor and measure enough plywood so that you can cover the entire frame.

What is the actual thickness of a sheet of plywood. In that case you will need to use 3 4 thick plywood. A single 4 pack covers approximately 10 sq. You ll need to make sure that the plywood can fit through your attic door.

My attic is located above my garage and currently the former owner had random pieces of plywood placed up there. 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. I assume 3 4 inch but there are many types brands to choose from. The previous homeowner may have simply covered the joists with plywood to use the space for storage.

I wanted to add more plywood to the area and wanted to know if any specific type i should use. Attic flooring panels are easy to install with their interlocking edges. Some screwed others not. Plywood is often sold in 1 4 1 2 or 3 4 nominal thicknesses but the actual thickness is often 1 32 thinner.

Measure the plywood and attic door. Because the actual thickness may vary measuring the plywood is the only accurate way to determine its thickness. On center joist spacing. 11 32 plywood attic dek attic flooring panel attic dek plywood subflooring 3 8 plywood 1 2 plywood 4x8.

Plywood flooring thickness is important for proper weight distribution. Attic storage might be a good idea but other issues such as insulation joist spacing and intended usage should be taken into consideration. Don t use 7 16 osb as it is intended for external sheathing. An attic can be floored with 1 2 cdx plywood if it is being used only for storage.

On nov 12 2018. 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. Universal attic dek 4 pack made for 16 in. 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.

How thick should plywood floor be for attic.