Osb Or Plywood For Shed Roof

Osb is less forgiving of being left out in the rain and will show more deformities after a wetting and drying cycle.

Osb or plywood for shed roof.

Alternatively osb is created from wood chips resin and adhesive that is baked and formed into the shape of a sheet of plywood. 2x greater shear strength than similar sized plywood source. The lower the slope the more weight for snow load but less wind force. Today you can find osb in thickness from 7 16 to 1 1 8 for different applications from roof wall subfloor i joists and everything between.

Plywood with similar propertiescurrently costs about 30 more for an equivalent thickness. University of massachusetts meets most building codes for roof and wall sheathing. It is extremely resistant to moisture. Using oriented strand board is a tested way of reducing costs for building your shed.

Plywood will absorb moisture quicker than osb but consequently it will also dry quicker. Osb is made of chips of softwood glued together in a semi random pattern. Using oriented strand board osb for shed walls floors and roofs. The higher the slope the more quickly the snow and rain will be shed but also the greater the wind force.

Both products will swell when wet but plywood will return to almost its exact shape when it dries. Oriented strand board osb is the least expensive option for sheathing the walls and roof of a shed which is why it s used so often for sheds and homes. As with plywood osb typically comes in 4 ft.