Osb Roof Sheathing Overhang

In the u s roof sheathing is almost always composed of wood usually osb oriented strand board or plywood.

Osb roof sheathing overhang. With edge support and the same snow load 3 8 inch osb can be used. 3 10d common nails per plank. 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. 2 10d common nails per plank 1x8 to 1x10 planks 24 in.

Thermostat 7 16 cat ps2 10 osb sheathing application as 4 x 8. For pricing and availability. Watch this now to learn how to avoid this same pr. Avoid butting osb panels tightly 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. A roof system consists of several elements working together to protect the home. Osb or plywood 18 in. 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.

The inch thick boards extend from the eaves just past the exterior walls where they butt up against the plywood roof sheathing. Stagger the panels over the roof with 2 supports between panel ends. Roof sheathing thickness maximum overhang length attachment 7 16 1 2 in. For pricing and availability.

I m halfway though sheeting the roof of my shipping container shop and already need to redo some of it. 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. 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. 8d ring shank nails at 4 in.

The boards are more attractive when viewed from underneath than rough plywood. Osb sheathing 15 32 cat ps2 10 osb sheathing application as 4 x 8. 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. Osb or plywood 18 in.

1x6 or narrower 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. At exposed roof overhangs the sheathing must be rated for exposure to the weather.