Plywood Thickness For Attic Floor

Take the measurements for your subfloor and measure enough plywood so that you can cover the entire frame.

Plywood thickness for attic floor. A single 4 pack covers approximately 10 sq. An attic can be floored with 1 2 cdx plywood if it is being used only for storage. Measure the plywood and attic door. What thickness is best.

As an alternative 3 4 osb can be used. However the same can t be said if you are planning on using the space as a living space. These lightweight easy to manage panels can be installed by even the most inexperienced homeowner in about 15 minutes. Plywood comes in 4 by 8 foot sheets with thicknesses ranging from 1 4 to 1 1 4 inches.

The recommended thickness of the plywood subfloor is governed by the spacing of the joists. 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. Attic storage might be a good idea but other issues such as insulation joist spacing and intended usage should be taken into consideration. In that case you will need to use 3 4 thick plywood.

The thickness that builders use most often for subfloors is 3 4 inch and when they need extra reinforcement. 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. Attic flooring panels are easy to install with their interlocking edges. I m a big guy 6 3 and around 230 so the guy at home despot suggested one of the above.

3 4 inch plywood is nice and stiff but it is also heavy so installing a large area of 3 4 plywood may c. 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. Plywood flooring thickness is important for proper weight distribution. Purchase half inch 1 27 cm thick plywood to act as your flooring.

You ll need to make sure that the plywood can fit through your attic door.