Osb Roof Nailing Pattern

Ventilate the roof according to current building codes.

Osb roof nailing pattern.

Nail spacing for sheets of osb and plywood is 8 inches per nail. The minimum osb panel size is 24 inches in any direction and each sheet end must rest on a rafter. 4 feet equals 48 inches which you then divide by 8 to determine that you ll need six nails where the board comes in contact with a truss. Avoid this costly nailing spacing mistake duration.

In some cases the architect or. I like to give them a call about any new nailing schedules that i m uncertain about. A four nail fastening pattern per shingle is required to take advantage of the maximum wind warranty available on owens corning duration shingles. This means that you ll need to use six nails per each truss that runs under the sheathing because each sheet measures 4 feet wide by 8 feet long.

This data file provides recommended nailing schedules for wood structural panel roof sheathing plywood and oriented strand board osb. Use panels rated as exposure 1 or better. Properly fasten panels including fastening and spacing hints. Oriented strand board osb or plywood can be used although plywood will provide higher nail head pull through resistance.

Provide a 1 8 inch gap. Increase the uplift resistance of the roof sheathing. And osb structural panel sheathing used for roof decks of steep slope roof assemblies. Sheathing type typically 15 32 inch or thicker panels are required in high wind areas.

This way i don t get chewed out by the building inspector when they show up to inspect that particular. A typical nailing pattern for a standard osb exterior wall is to insert one 8d nail every six inches along seams and in every stud that lies beneath the plane. Recommendations were developed through engineering analysis and by full scale laboratory testing. These schedules were calculated to provide resistance to wind uplift pressure as required by most codes.

Watch this before sheeting your roof with osb. Check the nailing surface is level. Lay sheets in rows with the long edge horizontal to the roof bottom. Six nails are required for structures with slopes exceeding 60 degrees or 21 inches per foot.