These lightweight easy to manage panels can be installed by even the most inexperienced homeowner in about 15 minutes.
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.
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Don t use 7 16 osb as it is intended for external sheathing and isn t strong enough to be used as a floor.
A single 4 pack covers approximately 10 sq.
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.
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.
Attic flooring panels are easy to install with their interlocking edges.
They don t include the decking because it is shipped from the uk and that would be ridiculous.
As an alternative 3 4 osb can be used.
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.
In that case you will need to use 3 4 thick plywood.
An attic can be floored with 1 2 cdx plywood if it is being used only for storage.