Garage Attic Flooring Osb Or 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.

Garage attic flooring osb or plywood.

Both osb and playwood are common sheathing materials suitable for use for garage walls. 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. 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. Density consistency a sheet of plywood.

Creating walls in a garage makes it more functional for a variety of uses. While osb oriented strand board is generally cheaper than plywood it is heavier and not as stiff as plywood and can result in soft squeaky floors under weight. In our area 1 2 in. You need 3 4 inch plywood.

Best for durability and maintenance. Garages often serve both as homes for vehicles and as usable space for storage or as a workshop. Sheets which means you can sheathe an 8 ft. I have done some research and it appears that osb board is two or three times heavier than plywood and also tends to bow like 1 16 of an inch when walked on even with 16 on center rafters.

Osb and plywood can be left as is for a garage workshop. The biggest complaint against osb is that it doesn t handle moisture very well so it is more suited for indoor use. A well installed subfloor should last as long as the house itself but osb is slightly more flexible than plywood so it is not the best choice under heavy flooring like ceramic or stone tile. Osb sheathing costs a few dollars less per sheet than 1 2 in.

Tall wall and the joists below with a single sheet. And osb is available in 4 x 9 ft. Osb sheathing has one irritating characteristic but only if you abuse the stuff. Price the national association of certified home inspectors nachi estimates that for a typical 2 400 square foot home osb costs 700 less than plywood.