However the same can t be said if you are planning on using the space as a living space.
How thick of plywood to put in attic.
As an alternative 3 4 osb can be used.
The plywood should be perpendicular to the joists so that a signal sheet spans multiple.
Some screwed others not.
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 depends on the spacing of the ceiling joists.
Install two by four blocking between joists or wherever needed to support edges of the plywood that do not have support from the bottom.
What thickness of plywood for attic floor august 4 2020 by zamira leave a comment which osb board thicknesses are steico top ideal insulation for attic how to finish an attic major attic insulation roof developments attic insulation linitherm p osb.
Now in your particular part of the country you re going to want a lot more insulation than that.
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.
Cut the plywood into manageable strips about 10 inches wide to make the job easier.
I assume 3 4 inch but there are many types brands to choose from.
In that case you will need to use 3 4 thick plywood.
My attic is located above my garage and currently the former owner had random pieces of plywood placed up there.
Plywood comes in large sheets.
An attic can be floored with 1 2 cdx plywood if it is being used only for storage.
Measure the plywood and attic door.
I wanted to add more plywood to the area and wanted to know if any specific type i should use.
Carry a piece of plywood to one of the far corners of the attic and lay it on top of the installed boards.
Or.
Take the measurements for your subfloor and measure enough plywood so that you can cover the entire frame.
You ll need to make sure that the plywood can fit through your attic door.
So what you might want to do is sort of map out an area in the center of the attic where you have your storage and then the rest of the area you could put more insulation that could possibly fit under that plywood.
So you can put 8 inches of insulation down then put the plywood over that.