Do I Need Treated Plywood For Shed Floor

A waterproof wood floor system for a shed starts with a floor framing system just like an outdoor deck.

Do i need treated plywood for shed floor. This is why pressure treated plywood is best for a shed floor. Cut and fasten plywood sheets to the frame. Thick plywood works well for wall and roof sheathing but use at least five eighths in. Note that this requirement is only for exterior walls as these may wick moisture onto the lumber.

I used three sheets of inch or 23 32 thick 4 x 8 foot pressure treated plywood for the floor. Plywood is a necessity in many diy and construction projects but not every type of plywood works for every project. You use treated lumber floor joists that are raised up off the soil. Perry mastrovito design pics getty images.

It s solid won t sag and protects the substructure and is easy to sweep. Interior walls are within a climate controlled environment and are presumed to be free of moisture. The choice of which is dependent on the type of support you want to use for your shed. I will be screwing the floor down using 2 inch grk screws which are simply the best.

Use pressure treated 3 4 inch construction grade exterior plywood for the floor. Pressure treated wood is required whenever you attach framing lumber or furring strips directly to concrete or other exterior masonry walls below grade. Ordinary exterior grade plywood is made with weather resistant glue but the wood itself is not particularly rot resistant. On the shed walls use exterior rated 1 2 inch plywood for a waterproof finished look and 3 4 inch cdx plywood on the roof for strength.

The shed floor supports can be either joists or bearers. Using 3 4 inch thick pressure treated plywood for your shed floor is the most economical choice and will last you 20 years if done well. The floor decking material is the structural floor that is supported on the joists bearers. Building a shed floor is actually pretty straightforward.

I ve built sheds with concrete floors and treated wood floors and both have stood the test of time. You ll find one half in. This guide will explain the different uses of plywood as well as popular plywood sheet sizes and its rating and grade system so that you can choose the best plywood for your project. Plywood for your shed floor.

The many types of plywood can differ in materials number of layers rating and grade. You ll also need to cut a small area off the ends of each sheet of plywood. Use 1 2 inch pressure treated plywood in a light duty shed. For basic storage of hand tools such as rakes shovels trimmers and others 1 2 inch pressure treated plywood as a shed floor will.