Sheets of 7 16 inch thick with no edge support can be used in an area where the snow load is 30 pounds per square foot.
How to sheet a roof with osb.
For pricing and availability.
Position the first piece of plywood or oriented strand board sheathing on the bottom edge of the rafter tails at one end of the roof.
With edge support and the same snow load 3 8 inch osb can be used.
For plywood it is like 5 to 10 more expensive.
Osb roof panels should always be installed with the grade stamp facing into the attic and the screened surface with the nail guide lines facing up.
Typical types of wood used for roof sheathing are oriented strand board known as osb and plywood the most popular being osb.
We use clips between rafters or trusses which yields some edgeways cleavage but when we think how can we end gap our high precision roof structure.
For pricing and availability.
Leave a 3 mm 1 8 inch gap between the osb panels to allow for expansion.
Osb is lightweight relatively inexpensive and strong enough to resist bending or breaking should someone walk on the roof.
Ahh would that the osb makers would make those sheets at 95 3 4 instead of 96.
The screened surface also provides a little more traction for construction workers during installation.
Stagger the panels over the roof with 2 supports between panel ends.
Us hacks are only doing a few new roof decks per year but we are aware of the need for those expansion gapolas.
Osb sheathing 15 32 cat ps2 10 osb sheathing application as 4 x 8.
Thermostat 7 16 cat ps2 10 osb sheathing application as 4 x 8.
Align the long edge of the sheathing with the ends of the.
Avoid putting osb on wet roof trusses.
When the grade stamp is covered by roofing the building inspector will not be able to confirm that the correct osb roofing panel was used.
Avoid nailing or stapling edges of osb panels.
Avoid butting osb panels tightly.
It is generally believed that osb is cheaper than plywood.
Roof trusses must be dry when sheathing a roof with osb to prevent mold growth in the roof and coverage gaps as the trusses dry and shrink.