Attic Decking Plywood

Place the sheets of plywood so that the edges of each board ends at the center of the floor joists with a 1 8 inch gap between adjacent boards on the same joist to allow for wood expansion.

Attic decking plywood.

I was able to find the appropriate amount of tongue and groove decking at the local home depot for total cost of less than 50 but could probably be even cheaper if you decided to use larger sheets of plywood or something. More product details close. In that case you will need to use 3 4 thick plywood. 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.

You need 3 4 inch plywood. They don t include the decking because it is shipped from the uk and that would be ridiculous. However the same can t be said if you are planning on using the space as a living space. Lay sheets of the plywood onto the floor spanning the joists with a 1 2 inch space between the walls of the attic and the edges of the plywood.

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. Attic flooring panels are easy to install with their interlocking edges. An attic can be floored with 1 2 cdx plywood if it is being used only for storage. These lightweight easy to manage panels can be installed by even the most inexperienced homeowner in about 15 minutes.