Plywood Thickness For Attic Floor

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 thickness for attic floor.

The recommended thickness of the plywood subfloor is governed by the spacing of the joists. Measure the plywood and attic door. As an alternative 3 4 osb can be used. 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.

You ll need to make sure that the plywood can fit through your attic door. I m a big guy 6 3 and around 230 so the guy at home despot suggested one of the above. More product details close. 3 4 inch plywood is nice and stiff but it is also heavy so installing a large area of 3 4 plywood may c.

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. Plywood flooring thickness is important for proper weight distribution. The thickness that builders use most often for subfloors is 3 4 inch and when they need extra reinforcement.

An attic can be floored with 1 2 cdx plywood if it is being used only for storage. 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. Purchase half inch 1 27 cm thick plywood to act as your flooring. Don t use 7 16 osb as it is intended for.

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. Attic storage might be a good idea but other issues such as insulation joist spacing and intended usage should be taken into consideration.

A single 4 pack covers approximately 10 sq.