Start with the attic floor.
Attic insulation and flooring.
To floor an attic you ll need to install a sub floor for support before laying your plywood floor.
These r values are a sum meaning this should be the total r value once you add up the entire depth of insulation.
Plan to pull up the flooring and layer new.
The solid base.
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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.
Because the simplest and cheapest way to insulate an attic is to add material to the floor.
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.
You ll have to construct a wooden frame or sub floor with boards 16 inches apart to provide extra support for the floor.
Attic flooring consists of materials as basic as sheets of plywood as well as more elaborate interlocking floor systems.
Attic insulation between roof trusses.
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.
How to lay attic flooring on top of fiberglass insulation.
Find your zone on the map and then use the above insulation r value chart to determine the level of insulation you need to properly insulate your attic walls floors and crawlspaces.