Attic insulation between roof trusses.
How to install attic floor insulation.
If using faced insulation keep the paper vapor retarder facing up and against the subfloor.
You will be limited to the depth of the cavities between the floor joists.
First you ll need to measure the area you want to floor so you can calculate how much wood you ll require.
Watch this easy diy guide on how to fit an attic sub floor and boards.
6 carry a piece of plywood to one of the far corners of the attic and lay it on top of the installed boards.
Make sure each run contacts the insulation you installed at the header band joists.
If your attic has a floor you may not be able to install enough insulation beneath it to attain an r 49 rating.
Install additional boards on all remaining joists in the entire attic.
Stop using your attic for storage.
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.
Start with the attic floor.
In northeastern ohio it is recommended that attic insulation have an r value of 49.
Start at one edge of the crawlspace and install the insulation between the floor joists.
To floor an attic you ll need to install a sub floor for support before laying your plywood floor.
The insulation should fit snugly against the subfloor and between the joists.
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.
Because the simplest and cheapest way to insulate an attic is to add material to the floor.
You ll have to construct a wooden frame or sub floor with boards 16 inches apart to provide extra support for the floor.