Plywood Attic Floor Over Insulation

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.

Plywood attic floor over insulation.

So you can put 8 inches of insulation down then put the plywood over that. Because the simplest and cheapest way to insulate an attic is to add material to the floor. 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. How to lay attic flooring on top of fiberglass insulation.

The average home today doesn t have enough closet space for the things we own. How to put plywood flooring in an attic over insulation march 18 2020 april 24 2015 by admin. Stop using your attic for storage. So what you might want to do is sort of map out an area in the center.

Start with the attic floor. 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. The solid base. Attic storage might be a good idea but other issues such as insulation joist spacing and intended usage should be taken into consideration.

Plywood flooring thickness is important for proper weight distribution. You put the insulation down first and let s say you have 2x8s for your floor joists in the attic. All ceiling penetrations will be limited to airfoil type ceiling boxes and or carefully taped or foam penetrations. 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. Attic insulation between roof trusses. Plan to pull up the flooring and layer new. 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.

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.