Attic Plywood Size

If your joists are 16 on center then you could get away with 1 2 plywood.

Attic plywood size. But there s no real reason to use plywood thinner than 3 4 inch. For joists 24 on center 3 4 plywood is what i would use. If you plan to finish the floor in the attic and turn the room into a living space however you should always use 3 4 inch. Measure the plywood and attic door.

Plywood comes in large sheets. Cut the plywood into manageable strips about 10 inches wide to make the job easier. It might seem impossible to haul it up to the attic. The rough framed opening.

Take the measurements for your subfloor and measure enough plywood so that you can cover the entire frame. Ensuring adequate insulation under the flooring. 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. 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.

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. We also carry pre cut project panels that are available in different sizes that may vary by store. The 2012 international residential code requires an attic access opening for attics with an area greater than 30 square feet and a vertical height in excess of 30 inches. Obviously using 3 4 plywood on 16 joist centers is also good.

If necessary block around them with plywood or corrugated cardboard to prevent the insulation from piling up on the vent. Purchase half inch 1 27 cm thick plywood to act as your flooring. The most common size for plywood sheets is 4 x 8 feet followed by 5 x 5 feet. You ll need to make sure that the plywood can fit through your attic door.

These project panels help eliminate waste cut costs and are easier to transport than full size panels.