I used three sheets of inch or 23 32 thick 4 x 8 foot pressure treated plywood for the floor.
Treated plywood for shed floor.
Put new support and then put down the new flooring.
You ll find one half in.
Pressure treated plywood is an exterior grade plywood that will resist rot and decay for a lifetime.
The best part is that you can do this completely by yourself.
The recommended shed floor plywood thickness is 3 4 inch pressure treated exterior grade cdx plywood.
I stay away from tongue and groove as it leaves a gap that collects dirt.
Use 8d galvanized box nails driven every 6 along the edges.
This type of plywood won t sag when used on a 12 inches joist structure.
Being pressure treated means wet tools or snow from the snow blower or your boots won t damage the floor.
You ll also need to cut a small area off the ends of each sheet of plywood.
It is rot resistant with knots replaced with football shaped plugs to give it a smooth moisture resistant surface.
You can install a treated wood floor system that will not rot and will give you peace of mind for decades if not longer.
Worked perfectly for the base of my shed.
This is why pressure treated plywood is best for a shed floor.
I bought 3 sheets of pressure treated pine plywood.
Ordinary exterior grade plywood is made with weather resistant glue but the wood itself is not particularly rot resistant.
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I will be screwing the floor down using 2 inch grk screws which are simply the best.
Two pieces will need to be 93 inches long.
It also will protect the floor structure from moisture too.
The best material for the shed floor is pressure treated 3 4 inch construction grade exterior plywood.
Shed floor sheeting with treated plywood.
Treated plywood if you can t pour concrete you can have a waterproof shed floor with little effort.
Strong floor and dry.
Now lay out your floor sheeting starting with one of the front corners first.
The reason for this is that you want the front part of your floor looking nice.
It is the preferred flooring material for an outdoor shed.
It s vital that you have the floor joi.
Last a long time.
Built a new shed on it and now its covered with a waterproof shed.
It will resist decomposition from.
Even a floor that s raised off the ground a bit will last longer if it s made with pressure treated plywood.