Attic Decking Plywood Thickness

Cdx plywood is traditional wood plywood made from thin layers of lumber known as veneers.

Attic decking plywood thickness.

The thinner plywood is acceptable when the joist spacing is 16 inches. If you plan to finish the floor in the attic and turn the room into a living space however you. Another product by racor called. If you plan on placing the plywood around the perimeter of the opening or door and using it only to store light boxes or materials 1 2 inch thick plywood should suffice.

You need 3 4 inch plywood. Glue is sprayed between each layer and the sheet is hot pressed. A single 4 pack covers approximately 10 sq. Take the measurements for your subfloor and measure enough plywood so that you can cover the entire frame.

That s what you should find on your home s main flooring areas. But there s no real reason to use plywood thinner than 3 4 inch. Cdx plywood should be a minimum of 7 16. Plywood roof sheathing 5 8 plywood attic dek 3 8 plywood osb 4x8 11 32 plywood.

The cost savings is insignificant compared to the extra support offered by the thicker material. On center joist spacing. The only storage system designed specifically for the unfinished areas over a garage or under a roof. Installing attic flooring for light storage only 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.

A single 4 pack covers approximately 10 sq. For joists 24 on center 3 4 plywood is what i would use. Attic flooring panels are easy to install with their interlocking edges. 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. Purchase half inch 1 27 cm thick plywood to act as your flooring. 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.

Obviously using 3 4 plywood on 16 joist centers is also good. Several list advise regarding 4 x 8 sheets of plywood flooring being laid on top of joists for decking material in an attic along with pull down access stairs. Measure the plywood and attic door.