Plywood flooring thickness is important for proper weight distribution.
Best plywood for flooring attic.
Plywood or chipboard is the least expensive option for storage flooring.
While this is not the optimal setup it is acceptable to have ceiling joists covered with plywood or osb to use for light attic storage of dead loads.
But best to.
For joists 24 on center 3 4 plywood is what i would use.
Attic flooring panels are easy to install with their interlocking edges.
Obviously using 3 4 plywood on 16 joist centers is also good.
As an alternative 3 4 osb can be used.
Plywood roof sheathing 5 8 plywood attic dek 3 8 plywood osb 4x8 11 32 plywood.
In attics built purely for storage purposes you may find 2x6 ceiling joists or in some cases even 2x4 joists.
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.
It s possible to create a solid floor without investing a lot of money.
You can install inch plywood or oriented strand board osb in 4 foot by 8 foot panels over existing 16 inch oc joists.
Universal attic dek 4 pack made for 16 in.
Don t use 7 16 osb as it is intended for.
Attic storage might be a good idea but other issues such as insulation joist spacing and intended usage should be taken into consideration.
Attic space offers many options for building storage or living space especially if you already have a well built basic flooring in place.
If your joists are 16 on center then you could get away with 1 2 plywood.
The recommended thickness of the plywood subfloor is governed by the spacing of the joists.
Best seller attic dek universal attic dek 4 pack made for 16 in.
Some experts suggest that 15 32 inch plywood should be standard if the underlying floor joists are spaced 16 inches apart or less but slightly thicker 3 4 inch plywood should be used for joists spaced further apart.
An attic can be floored with 1 2 cdx plywood if it is being used only for storage.
In that case you will need to use 3 4 thick plywood.
However the same can t be said if you are planning on using the space as a living space.
On center joist spacing.
The wood should be at least 5 8 inch thick to handle a heavy load.
Flooring your attic is the best way to add space to your home at a low cost.
You can for instance use recycled materials.
A single 4.