1 2 Or 3 4 Plywood For Attic

Osb oriented strand board.

1 2 or 3 4 plywood for attic.

What thickness of plywood should be enough for an attic floor such that it could support persons as heavy as 225 pounds. 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. 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. Plywood is an engineered wood that s made by gluing together thin layers of wood veneers.

Obviously using 3 4 plywood on 16 joist centers is also good. It might seem impossible to haul it up to the attic. The thicker plywood or boards aren t that much extra more expensive and you ll never have to worry bout them again. For pricing and availability.

It s economical durable and can be used in a variety of ways including flooring paneling and furniture making. That s what you should find on your home s main flooring areas. For pricing and availability. Top choice blondewood 3 4 in whitewood plywood application as 4 x 8.

Severe weather 3 4 in common southern yellow pine plywood sheathing application as 4 x 8. Plywood comes in large sheets. While plywood has been a top choice among homeowners for furnishing home interiors a variety of alternatives have sprung up offering a cheaper price better appearance etc. A plywood subfloor generally uses 1 2 inch to 3 4 inch thick sheets of plywood that have one rough side which faces down and one smooth side which faces up.

There are many grades of plywood as it s used for everything from subfloors to cabinetry. The sheets are generally 4 x 8 or 4 x 12 feet in size. Severe weather 1 2 in common southern yellow pine plywood sheathing application as 4 x 8. Severe weather 1 2 in common southern yellow pine plywood sheathing application as 4 x 8.

You need 3 4 inch plywood. If your joists are 16 on center then you could get away with 1 2 plywood. Install two by four blocking between joists or wherever needed to support edges of the plywood that do not have support from the bottom.