Plywood Attic Floor Over Insulation

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.

Plywood attic floor over insulation.

How to lay attic flooring on top of fiberglass insulation. So what you might want to do is sort of map out an area in the center. You put the insulation down first and let s say you have 2x8s for your floor joists in the attic. One way many people like to make up for this is using their home s attic to provide a little extra storage space especially if the home doesn t have a basement.

Because the simplest and cheapest way to insulate an attic is to add material to the floor. Stop using your attic for storage. 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. Attic storage might be a good idea but other issues such as insulation joist spacing and intended usage should be taken into consideration.

The average home today doesn t have enough closet space for the things we own. All ceiling penetrations will be limited to airfoil type ceiling boxes and or carefully taped or foam penetrations. Attic insulation between roof trusses. Plan to pull up the flooring and layer new.

What size plywood for an attic floor. Attic flooring consists of materials as basic as sheets of plywood as well as more elaborate interlocking floor systems. My first floor ceiling attic floor assembly would be drywall 1x strapping intello plus 14 i joists 24 oc with dense pack cellulose and 3 4 tng plywood floor glued and scrailed. Now in your particular part of the country you re going to want a lot more insulation than that.

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. Start with the attic floor. How to put plywood flooring in an attic over insulation march 18 2020 april 24 2015 by admin. 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.

Plywood flooring thickness is important for proper weight distribution.