5 Best Of How Do I Keep My Shed Floor From Rotting HD Image Size. Preservatives are one way of protecting plywood floors against rot. The place where your sheds floor system meets the ground is at the greatest risk of rotting.
Place grid blocks to cover the area to the correct size. Also it might be a good idea to lay some plastic down on top of your joists before installing the new sub floor. Step 3 Saw more wood studs to the exact size of boards and panels that you removed from the shed.
Preservatives are one way of protecting plywood floors against rot.
Step 3 Saw more wood studs to the exact size of boards and panels that you removed from the shed. The shed ia built from wooden prefab panels. Make sure you have a solid shed base. If you set your outdoor storage building at the bottom of a hill you can count on rainwater running down the hill and into your building.