Can oriented strand board osb be used for roofing.
Osb3 for shed roof.
Provide a 1 8 inch gap.
Still as good as day 1.
Up until 2000 plywood held the majority of the market for wall roof and floor sheathing when it was surpassed by osb which as of 2018 held about 75 of the market share.
Bitumen paint is no different to felting it for shed roofs.
It wont delaminate if it gets wet its cheaper.
Osb 3 is suitable for external use is fully structural whereas much plywood isnt despite what people think.
One of the nice things about plywood is the variety of options you can buy.
One point that i found interesting was that the national house building council nhbc only permit the use of osb3 for sheathing to walls floors and roofs.
If there s a will there s always a way.
The minimum osb panel size is 24 inches in any direction and each sheet end must rest on a rafter.
Lay sheets in rows with the long edge horizontal to the roof bottom.
I roofed my stable with 11mm sheets covered with cheap shed kennel felt three years ago.
So long water or sunlight doesn t make direct contact it ll be fine.
Osb3 is just as good as regular shuttering ply.
There are pressure treated grades marine grades that can be used in water fine hardwood.
Just remember to cover your fixing screws with it after or water will find its way in via screw fixings.
Find osb sheathing osb at lowe s today.
Oriented strand board isn t plywood nor is it a type of particleboard fiberboard or wafer board and although it is a newcomer to a plywood.
Watch this now to learn how to avoid this same pr.