Attic Plywood Thickness

A single 4 pack covers approximately 10 sq.

Attic plywood thickness.

A 3 4 sheet is actually 23 32 thick. Because the actual thickness may vary measuring the plywood is the only accurate way to determine its thickness. What is the actual thickness of a sheet of plywood. 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.

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. In that case you will need to use 3 4 thick plywood. How thick should plywood floor be for attic.

Or 6 answers. On center joist spacing. 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. 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.

I wanted to add more plywood to the area and wanted to know if any specific type i should use. Purchase half inch 1 27 cm thick plywood to act as your flooring. In attics built purely for storage purposes you may find 2x6 ceiling joists or in some cases. Plywood is often sold in 1 4 1 2 or 3 4 nominal thicknesses but the actual thickness is often 1 32 thinner.

Don t use 7 16 osb as it is intended for external sheathing. Some screwed others not. 11 32 plywood attic dek attic flooring panel attic dek plywood subflooring 3 8 plywood 1 2 plywood 4x8. Take the measurements for your subfloor and measure enough plywood so that you can cover the entire frame.

As an alternative 3 4 osb can be used. On nov 12 2018. Measure the plywood and attic door. Universal attic dek 4 pack made for 16 in.

My attic is located above my garage and currently the former owner had random pieces of plywood placed up there. I assume 3 4 inch but there are many types brands to choose from. Attic flooring panels are easy to install with their interlocking edges. However the same can t be said if you are planning on using the space as a living space.

Attic storage might be a good idea but other issues such as insulation joist spacing and intended usage should be taken into consideration.