Attic Decking Thickness

You need 3 4 inch plywood.

Attic decking thickness.

Coronavirus update september 2020 we are fully open and able to. Measure the plywood and attic door. Attic dek universal attic dek 4 pack made for 16 in. I need more storage space up there.

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. 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. No matter what the spacing is on your ceiling joists 3 4 inch plywood should be used if you plan on walking on it. I m a big guy 6 3 and around 230 so the guy at home despot suggested one of the above.

Take the measurements for your subfloor and measure enough plywood so that you can cover the entire frame. 5 8 is cheaper 17 00 a 4x8 sheet vs 21 44 a 4x8 for 3 4 can i get away with the 3 4. 7 16 15 32 and 1 2 inch thick panels require joists spaced 16 inches on center. You ll need to make sure that the plywood can fit through your attic door.

Provide additional storage space to your home or garage by selecting this excellent attic dek universal attic dek made for on center joist spacing. The strongest lightest easiest raised attic boarding system available insulated your attic and lost your storage. Osb attic decking has a convenient tongue and groove design for easy installation. Enjoy a clean look and increase the usable square footage of your attic by multiples of 8 sq.

Another product by racor called. Joist spacing and attic use the joist spacing in some attics is 24 inches and 1 2 inch sheets will sag and possibly break when spanning that distance. 19 32 and 5 8 inch thick panels require joists spaced 20 inches on center. Purchase half inch 1 27 cm thick plywood to act as your flooring.

Standard joist spacing for the installation of attic flooring materials is 16 inches on center oc meaning the distance from the center of one joist to the center of the next joist is 16 inches. I ll nail the sheets down to the joists.