Attic Decking Plywood Thickness

Plywood roof sheathing 5 8 plywood attic dek 3 8 plywood osb 4x8 11 32 plywood.

Attic decking plywood thickness.

These lightweight easy to manage panels can be installed by even the most inexperienced homeowner in about 15 minutes. On center joist spacing. The thinner plywood is acceptable when the joist spacing is 16 inches. 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.

You need 3 4 inch plywood. Cdx plywood should be a minimum of 7 16. 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. That s what you should find on your home s main flooring areas.

Cdx plywood is traditional wood plywood made from thin layers of lumber known as veneers. A single 4 pack covers approximately 10 sq. You ll need to make sure that the plywood can fit through your attic door. Measure the plywood and attic door.

Take the measurements for your subfloor and measure enough plywood so that you can cover the entire frame. 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. Another product by racor called. If your joists are 16 on center then you could get away with 1 2 plywood.

Purchase half inch 1 27 cm thick plywood to act as your flooring. 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. The only storage system designed specifically for the unfinished areas over a garage or under a roof. Attic flooring panels are easy to install with their interlocking edges.

A single 4 pack covers approximately 10 sq. Attic flooring panels are easy to install with their interlocking edges. But there s no real reason to use plywood thinner than 3 4 inch. Glue is sprayed between each layer and the sheet is hot pressed.

Obviously using 3 4 plywood on 16 joist centers is also good. If you plan to finish the floor in the attic and turn the room into a living space however you. Universal attic dek 4 pack made for 16 in.