How To Install Attic Floor Insulation

If your attic has a floor you may not be able to install enough insulation beneath it to attain an r 49 rating.

How to install attic floor insulation.

However if you keep the storage weight to a minimum you may be able to build a storage platform above the insulation by attaching supporting beams to the sides of the trusses. You will be limited to the depth of the cavities between the floor joists. Stop using your attic for storage. First you ll need to measure the area you want to floor so you can calculate how much wood you ll require.

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. Watch this easy diy guide on how to fit an attic sub floor and boards. Install additional boards on all remaining joists in the entire attic. Start with the attic floor.

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. Plan to pull up the flooring and layer new. In northeastern ohio it is recommended that attic insulation have an r value of 49. 6 carry a piece of plywood to one of the far corners of the attic and lay it on top of the installed boards.

The insulation should fit snugly against the subfloor and between the joists. Make sure each run contacts the insulation you installed at the header band joists. Loftzone gives you a strong storage platform above even thick insulation in your attic. If using faced insulation keep the paper vapor retarder facing up and against the subfloor.

Start at one edge of the crawlspace and install the insulation between the floor joists. Attic insulation between roof trusses. Even easier you can also use a prefabricated attic floor kit designed specifically to raise the attic floor above the insulation.