How Thick Of Plywood To Put In Attic

As an alternative 3 4 osb can be used.

How thick of plywood to put in attic.

I assume 3 4 inch but there are many types brands to choose from. My attic is located above my garage and currently the former owner had random pieces of plywood placed up there. The plywood should be perpendicular to the joists so that a signal sheet spans multiple. However the same can t be said if you are planning on using the space as a living space.

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. 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. 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. 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.

It might seem impossible to haul it up to the attic. You ll need to make sure that the plywood can fit through your attic door. Measure the plywood and attic door. Purchase half inch 1 27 cm thick plywood to act as your flooring.

In that case you will need to use 3 4 thick plywood. Now in your particular part of the country you re going to want a lot more insulation than that. Plywood comes in large sheets. So you can put 8 inches of insulation down then put the plywood over that.

Install two by four blocking between joists or wherever needed to support edges of the plywood that do not have support from the bottom. Carry a piece of plywood to one of the far corners of the attic and lay it on top of the installed boards. Cut the plywood into manageable strips about 10 inches wide to make the job easier. Take the measurements for your subfloor and measure enough plywood so that you can cover the entire frame.

I wanted to add more plywood to the area and wanted to know if any specific type i should use. I want to setup the space over the garage to allow us to store itemsi know eventually i will have to install an attic ladderneed to know how thick the plywood for the floor should be.