Building a shed isn't as involved as building a house or even a garage, but it still needs a roof, siding and floor. plywood is necessary for the roof and floor, but not always for the siding. I am constructing a 12x16 shed. i have 2x6 pressure treated joists on 16" center. these joists are resting on concrete blocks. i am trying to determine a flooring choice. i am looking at 3 options: pressue treated 1/2" plywood. unreated 3/4" plywood. 7/16" osb ( this option will be doubled up, so 2 layers) longevity is important.. View of floor with plywood/osb deck. support to the edge of the 'sheet' is provided by timber 'noggins' 3.0 plywood shed floor. the comments for plywood are very similar to that for osb in the way that it is installed and fixed. there are many different types of plywood. the one that i have used most commonly is shuttering ply..
Shed floor and plywood thickness? i know 3/4 inch treated plywood is the norm for the floor of a shed. if i have access to 1/2 inch treated plywood, what are the pros and cons of doubling up on the 1/2 inch plywood to go for a thickness of 1 inch?. The first piece of plywood must be put along the chalk line with the corner of the plywood at the exact corner of where the floor joists meet. each subsequent piece of plywood builds off the first. Shed plywood floor: treated? i am building a backyard shed, 8x12. i realized i purchased 3/4" non-treated plywood for the floor... should i get treated instead? the shed will be on 4x4 treated skids on concrete blocks, with 2x6 joists. so the plywood will be 9+ inches off the ground in all areas..
