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.
How to install plywood flooring in 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.
To floor an attic you ll need to install a sub floor for support before laying your plywood floor.
First you ll need to measure the area you want to floor so you can calculate how much wood you ll require.
Attic flooring consists of materials as basic as sheets of plywood as well as more elaborate interlocking floor systems.
With all these challenges you might start thinking that attic flooring installation is impossible.
Heat rises so the insulation in your attic is the most important part of your home s insulation.
How to install plywood flooring in an attic.
According to the us department of energy your home s attic should have an r 38 insulation valued for homes in the southern part of the.
You ll have to construct a wooden frame or sub floor with boards 16 inches apart to provide extra support for the floor.
Before putting the flooring in take a look at your insulation.
Plywood floor in attic of older home.