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.

3 10d common nails per plank. The boards are more attractive when viewed from underneath than rough plywood. A roof system consists of several elements working together to protect the home. 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 sheathing 15 32 cat ps2 10 osb sheathing application as 4 x 8. 8d ring shank nails at 4 in. 1 by 8 boards commonly used on the eave and rake overhangs when soffits will not be installed rather than as roof sheathing. Watch this now to learn how to avoid this same pr.

The inch thick boards extend from the eaves just past the exterior walls where they butt up against the plywood roof sheathing. Osb is lightweight relatively inexpensive and strong enough to resist bending or breaking should someone walk on the roof. 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. 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.

Roof sheathing or decking is one of those elements. With edge support and the same snow load 3 8 inch osb can be used. Stagger the panels over the roof with 2 supports between panel ends. 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. For pricing and availability. For pricing and availability. 10d ring shank nails at 4 in.

Osb or plywood 18 in. 2 10d common nails per plank 1x8 to 1x10 planks 24 in. Roof sheathing thickness maximum overhang length attachment 7 16 1 2 in. 1x6 or narrower planks 24 in.

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. Osb or plywood 18 in. Avoid butting osb panels tightly leave a 3 mm 1 8 inch gap between the osb panels to allow for expansion.