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.

Make sure each run contacts the insulation you installed at the header band joists. Start at one edge of the crawlspace and install the insulation between the floor joists. Even easier you can also use a prefabricated attic floor kit designed specifically to raise the attic floor above the insulation. Stop using your attic for storage.

Start with the attic floor. In northeastern ohio it is recommended that attic insulation have an r value of 49. Install additional boards on all remaining joists in the entire attic. To floor an attic you ll need to install a sub floor for support before laying your plywood floor.

Because the simplest and cheapest way to insulate an attic is to add material to the floor. Loftzone gives you a strong storage platform above even thick insulation in your attic. Plan to pull up the flooring and layer new. If using faced insulation keep the paper vapor retarder facing up and against the subfloor.

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. 6 carry a piece of plywood to one of the far corners of the attic and lay it on top of the installed boards. 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. 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. Attic insulation between roof trusses. First you ll need to measure the area you want to floor so you can calculate how much wood you ll require.