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.
Osb roof sheathing overhang.
Osb or plywood 18 in.
10d ring shank nails at 4 in.
Types of sheathing typical types of wood used for roof sheathing are oriented strand board known as osb and plywood the most popular being osb.
The boards are more attractive when viewed from underneath than rough plywood.
At exposed roof overhangs the sheathing must be rated for exposure to the weather.
For pricing and availability.
Thermostat 7 16 cat ps2 10 osb sheathing application as 4 x 8.
3 10d common nails per plank.
8d ring shank nails at 4 in.
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.
Osb or plywood 18 in.
Osb sheathing 15 32 cat ps2 10 osb sheathing application as 4 x 8.
Roof sheathing thickness maximum overhang length attachment 7 16 1 2 in.
Stagger the panels over the roof with 2 supports between panel ends.
2 10d common nails per plank 1x8 to 1x10 planks 24 in.
1 by 8 boards commonly used on the eave and rake overhangs when soffits will not be installed rather than as roof sheathing.
The everyday sheathing used on the body of a roof is not rated for weather exposure so when exposed eaves and or rakes occur at the perimeter a different more expensive weather rated grade of plywood or osb must be used.
With edge support and the same snow load 3 8 inch osb can be used.
Align the long edge of the sheathing with the ends of the.
Roof sheathing or decking is one of those elements.
I m halfway though sheeting the roof of my shipping container shop and already need to redo some of it.
Osb is lightweight relatively inexpensive and strong enough to resist bending or breaking should someone walk on the roof.
Avoid butting osb panels tightly leave a 3 mm 1 8 inch gap between the osb panels to allow for expansion.
Watch this now to learn how to avoid this same pr.
For pricing and availability.
1x6 or narrower planks 24 in.
A roof system consists of several elements working together to protect the home.