Osb Roof Sheathing Overhang

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.

8d ring shank nails at 4 in. At exposed roof overhangs the sheathing must be rated for exposure to the weather. Stagger the panels over the roof with 2 supports between panel ends. For pricing and availability.

Avoid butting osb panels tightly leave a 3 mm 1 8 inch gap between the osb panels to allow for expansion. Roof sheathing thickness maximum overhang length attachment 7 16 1 2 in. A roof system consists of several elements working together to protect the home. 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.

In the u s roof sheathing is almost always composed of wood usually osb oriented strand board or plywood. The inch thick boards extend from the eaves just past the exterior walls where they butt up against the plywood roof sheathing. 1x6 or narrower planks 24 in. Osb is lightweight relatively inexpensive and strong enough to resist bending or breaking should someone walk on the roof.

Osb or plywood 18 in. 2 10d common nails per plank 1x8 to 1x10 planks 24 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. I m halfway though sheeting the roof of my shipping container shop and already need to redo some of it.

Thermostat 7 16 cat ps2 10 osb sheathing application as 4 x 8. Watch this now to learn how to avoid this same pr. 3 10d common nails per plank. 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.

10d ring shank nails at 4 in. The boards are more attractive when viewed from underneath than rough plywood. 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. For pricing and availability.

With edge support and the same snow load 3 8 inch osb can be used. 1 by 8 boards commonly used on the eave and rake overhangs when soffits will not be installed rather than as roof sheathing. Align the long edge of the sheathing with the ends of the.