You ll have to construct a wooden frame or sub floor with boards 16 inches apart to provide extra support for the floor.
Floor attic weight.
To floor an attic you ll need to install a sub floor for support before laying your plywood floor.
Even easier you can also use a prefabricated attic floor kit designed specifically to raise the attic floor above the insulation.
You also need to ensure that the joist spacing is adequate.
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.
Installing attic flooring for light storage only.
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.
What size plywood for an attic floor.
The decision regarding the thickness of plywood to use for the subfloor in the attic has a lot to do with how you intend to use the attic and it also.
First you ll need to measure the area you want to floor so you can calculate how much wood you ll require.