Putting Plywood Down In Attic

Find or buy 1 2 inch plywood or particleboard sections.

Putting plywood down in attic.

I put plywood down in an area about 200 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. It s possible to use other materials but plywood or particleboard on sale is likely to be less expensive than other wood materials or products. The attic space was 16 feet high at it s peak a massive area with 12 thick solid beams.

I wanted it on the other side of the house where our master bedroom bath is because there was so much space up there. There were natural barriers on 3 sides of the platform. 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. I want to put some plywood down in the attic for the times that i need to walk around up there.

We talked to the builder about it right at the beginning of framing. We put up plywood but not in all of the attic. 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 planned on making it a playroom bonus room down the road.

Find out why you must first put down insulation before you put down plywood in your attic. Get tips on mapping out an area in the center of your attic for storage and adding 12 to 15 inches of insulation in the rest of the space. What would be a good depth of plywood that could be put on 24 inch on center 2 by 4s for this purpose. 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.

If you try to put the plywood flooring directly on the joists it will crush the insulation down and you ll end up with the equivalent of r 15 regardless of what you started out with. To solve this problem add another course of 2 x 4 or even 2 x 6 stringers either on top of the existing joists or attached to the sides of the truss. 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.