Plywood Thickness For Attic Floor

However the same can t be said if you are planning on using the space as a living space.

Plywood thickness for attic floor.

Attic flooring panels are easy to install with their interlocking edges. What thickness is best. 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. A single 4 pack covers approximately 10 sq.

Purchase half inch 1 27 cm thick plywood to act as your flooring. 3 4 inch plywood is nice and stiff but it is also heavy so installing a large area of 3 4 plywood may c. In that case you will need to use 3 4 thick plywood. As an alternative 3 4 osb can be used.

Attic storage might be a good idea but other issues such as insulation joist spacing and intended usage should be taken into consideration. You ll need to make sure that the plywood can fit through your attic door. The thickness of plywood for an attic floor depends on the reason for it and the load bearing ability of the ceiling joists that support it. More product details close.

I m a big guy 6 3 and around 230 so the guy at home despot suggested one of the above. The recommended thickness of the plywood subfloor is governed by the spacing of the joists. An attic can be floored with 1 2 cdx plywood if it is being used only for storage. Plywood comes in 4 by 8 foot sheets with thicknesses ranging from 1 4 to 1 1 4 inches.

The thickness that builders use most often for subfloors is 3 4 inch and when they need extra reinforcement. Plywood flooring thickness is important for proper weight distribution. Don t use 7 16 osb as it is intended for. 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.

5 8 is cheaper 17 00 a 4x8 sheet vs 21 44 a 4x8 for 3 4 can i get away with the 3 4.