Osb Roof Nailing Pattern

Nail spacing for sheets of osb and plywood is 8 inches per nail.

Osb roof nailing pattern.

And osb structural panel sheathing used for roof decks of steep slope roof assemblies. Nailing schedules for wood structural panel roof sheathing plywood and oriented strand board osb. For all owens corning shingles roofing nails should penetrate into the wood deck by a minimum of inch or completely through the roof deck by a minimum of 1 8 inch. Most of the time you ll need to contact a local building inspector directly to get a definite answer if it s not already written out for you on the blueprints or manufacturers specifications.

This way i don t get chewed out by the building inspector when they show up to inspect that particular. When nailing shingles proper penetration into the roof deck is essential to ensure the nail and shingle remain secure. The proper way to install osb. Increase the uplift resistance of the roof sheathing.

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. Allow for expansion osb panels can swell slightly so leave a 1 8 inch gap between. I like to give them a call about any new nailing schedules that i m uncertain about. These schedules were calculated to provide resistance to wind uplift pressure as required by most codes.

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. Follow these 5 simple construction steps for roof sheathing and scroll down to see more details on each with installation hints and tips below step 1. Check the nailing surface is level.

Oriented strand board or osb is a sheet panel product similar to plywood made from layers of wood strands that are oriented in opposite directions. Sheathing type typically 15 32 inch or thicker panels are required in high wind areas. Wet and dry specimens of plywood and. 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.

Use panels rated as exposure 1 or better. Avoid this costly nailing spacing mistake duration. Watch this before sheeting your roof with osb.