Putting Plywood Over Attic Insulation

Now that you ve inspected your attic s current insulation and determined how much it has you.

Putting plywood over attic insulation.

Ensuring adequate insulation under the flooring. That s clearly your plan if any moisture makes its way to the plywood the damp plywood will dry out on hot sunny days. 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. The plywood should be perpendicular to the joists so that a signal sheet spans multiple.

Carry a piece of plywood to one of the far corners of the attic and lay it on top of the installed boards. So you can put 8 inches of insulation down then put the plywood over that. Most attics are dry plywood is a smart vapor retarder with variable permeance. 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 put the insulation down first and let s say you have 2x8s for your floor joists in the attic. This method can be used in any climate though it historically has been most popular in colder climates. This is probably the easiest method to install radiant barrier atticfoil is to lay the foil out over the existing insulation on the attic floor. To give yourself enough space to ensure adequate insulation under the.

Now in your particular part of the country you re going to want a lot more insulation than that. Laying foil over on top of insulation on the attic floor.