How To Install Attic Floor Insulation

Start at one edge of the crawlspace and install the insulation between the floor joists.

How to install attic floor insulation.

Loftzone gives you a strong storage platform above even thick insulation in your attic. Even easier you can also use a prefabricated attic floor kit designed specifically to raise the attic floor above the insulation. Watch this easy diy guide on how to fit an attic sub floor and boards. First you ll need to measure the area you want to floor so you can calculate how much wood you ll require.

In northeastern ohio it is recommended that attic insulation have an r value of 49. Because the simplest and cheapest way to insulate an attic is to add material to the floor. Stop using your attic for storage. To floor an attic you ll need to install a sub floor for support before laying your plywood floor.

You ll have to construct a wooden frame or sub floor with boards 16 inches apart to provide extra support for the floor. But if the floor is covered in plywood you can t stuff enough insulation beneath it to do the job sufficiently not even in warm climates. The insulation should fit snugly against the subfloor and between the joists. 6 carry a piece of plywood to one of the far corners of the attic and lay it on top of the installed boards.

Start with the attic floor. If your attic has a floor you may not be able to install enough insulation beneath it to attain an r 49 rating. Plan to pull up the flooring and layer new. Make sure each run contacts the insulation you installed at the header band joists.

Install additional boards on all remaining joists in the entire attic. Attic insulation between roof trusses. If using faced insulation keep the paper vapor retarder facing up and against the subfloor.