The floor should be 3/4" thick. i would use advantech instead of plywood. if you are going to put siding on the shed you can use 1/2" plywood for the walls. another option is 5/8 t1-11. the roof should be 1/2 or 5/8 plywood.. The recommended shed floor plywood thickness is 3/4 inch pressure-treated exterior-grade cdx plywood. this type of plywood won’t sag when used on a 12 inches joist structure. osb (oriented strand board) is really common in roof and wall sheathing, as well as subflooring. it doesn’t do so well for shed floors. the reason?. Shed roof rafter spacing and osb thickness (self.homeimprovement) submitted 2 years ago by jeniquetamere so, i see a lot of sheds are built with rafters 24 inches on center, and with 7/16 osb sheets..
Hi i need to reboard my shed roof before i fiberglass it or felt it, haven't decided yet. to be honest i want to spend as little as i need to.. How to build a shed, part 13: installing a 3-tab asphalt shingle roof how to build a shed, part 9: building & installing gable ladders (rakes) how to build a shed, part 1: ground preparation how to build a shed, part 11: installing fascia boards & soffit materials. How long do you want it to last? osb isn’t suitable for a shed as you won’t be able to completely waterproof it, it will get damp and turn to mush within a couple of years..
