Osb Roof Sheathing Overhang

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Osb roof sheathing overhang.

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. For pricing and availability. I m halfway though sheeting the roof of my shipping container shop and already need to redo some of it. 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.

Osb or plywood 18 in. The boards are more attractive when viewed from underneath than rough plywood. The inch thick boards extend from the eaves just past the exterior walls where they butt up against the plywood roof sheathing. 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.

For pricing and availability. 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. 3 10d common nails per plank.

Osb sheathing 15 32 cat ps2 10 osb sheathing application as 4 x 8. Roof sheathing or decking is one of those elements. 8d ring shank nails at 4 in. 2 10d common nails per plank 1x8 to 1x10 planks 24 in.

A roof system consists of several elements working together to protect the home. 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. Osb or plywood 18 in.

10d ring shank nails at 4 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. 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.

Align the long edge of the sheathing with the ends of the. Osb is lightweight relatively inexpensive and strong enough to resist bending or breaking should someone walk on the roof. With edge support and the same snow load 3 8 inch osb can be used.