Osb Or Plywood For Attic Storage

The decision regarding the thickness of plywood to use for the subfloor in the attic has a lot to do with how you intend to use the attic and it also depends on the spacing of the ceiling joists.

Osb or plywood for attic storage.

7 16 and 6 00 sounds more like osb than plywood. It might seem impossible to haul it up to the attic. To make the job easier use a circular saw to cut the plywood sheet first into 2 2 8 strips which will be much easier to handle. And stayed swollen while the plywood remained stable.

I ve used 7 16 osb for decking in an attic. Oriented strand board osb board that soaked in my bathtub overnight swelled almost 1 4 in. It is cheap and strong enough for the job. Cut the plywood into manageable strips about 10 inches wide to make the job easier.

Maneuvering heavy 4 x 8 sheets of plywood or osb oriented strand board up to an unfinished attic is sometimes like trying to fit a square peg into a round hole. A viable alternative to plywood this osb board is engineered to prevent any cupping warping or splitting. Install two by four blocking between joists or wherever needed to support edges of the plywood that do not have support from the bottom. The previous homeowner may have simply covered the joists with plywood to use the space for storage.

Use the tongue and groove feature to lock multiple boards together and improve the organization of your storage space. Osb attic decking has a convenient tongue and groove design for easy installation. Kept high and dry during storage and after installation osb has the same strength and durability as plywood but costs less. In attics built purely for storage purposes you may find 2x6 ceiling joists or in some cases.

It is too thin for a floor in a room but for a lightly used attic it is plenty. 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 storage you can install inch plywood or. Don t store osb in a full bathtub. While this is not the optimal setup it is acceptable to have ceiling joists covered with plywood or osb to use for light attic storage of dead loads.