Adding Plywood To Attic
The plywood should be perpendicular to the joists so that a signal sheet spans multiple.
Adding plywood to attic. Choose your insulation type and material 1. Ensuring adequate insulation under the flooring. Loose fill insulation fibers are packaged in bags and blown in place to the desired depth and density using special. You ll need to make sure that the plywood can fit through your attic door.
Carry a piece of plywood to one of the far corners of the attic and lay it on top of the installed boards. Purchase half inch 1 27 cm thick plywood to act as your flooring. How to install plywood flooring in an attic insulating your attic. Now that you ve inspected your attic s current insulation and determined how much it has you.
Install two by four blocking between joists or wherever needed to support edges of the plywood that do not have support from the bottom. Measure the plywood and attic door. The thinner plywood is acceptable when the joist spacing is 16 inches. 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.
You can circumvent this problem by adding plywood or boards to the joists. Installing attic flooring for light storage only 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. To give yourself enough space to ensure adequate insulation under the. If your attic floor has 2 4 s you ll only be able to store very light items such as empty boxes and suitcases.
Plywood comes in large sheets. 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. You need 3 4 inch plywood. Nails can ruin the plaster beneath.
In attics built purely for storage purposes you may find 2x6 ceiling joists or in some cases even 2x4 joists. If you plan to finish the floor in the attic and turn the room into a living space however you. It might seem impossible to haul it up to the attic. 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.
Take the measurements for your subfloor and measure enough plywood so that you can cover the entire frame.