Roof Plywood Nailing Pattern

Installing a roof is much more than just nailing shingles onto some boards.

Roof plywood nailing pattern.

Holes drilled in roof sheathing for ventilation roof diaphragm action is maintained. The number of nails needed for a roof varies on multiple factors such as board face width length and roof truss spacing. Never screwed the plywood roof decking on. A structure s roof truss spacing can vary from every 12 to 24 inches.

Ventilate the roof according to current building codes. Recommendations were developed through engineering analysis and by full scale laboratory testing. Wet and dry specimens of plywood and. To determine the nail length you should consider the number of layers of shingles shingle thicknesses underlayment and flashings installed on eaves.

Metal roofing is also available in the form of shingles. Check the nailing surface is level. This video shows how some roofs fail under heavy winds in uplift situations. Keep these tips in mind when roofing in hurricane areas.

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. I personally do not like staples because i don t have any confidence in the longevity of the wire gauge. It starts with installing solid decking usually plywood or oriented strand board but that is not waterproof. Nailing schedules for wood structural panel roof sheathing plywood and oriented strand board osb.

Many homes have been severely. If you ve ever installed shingles plywood headers or drywall you probably already know all about nailing patterns. Boards used for sheathing range from those with a 4 inch face to 48 inch long plywood sheets. During a hurricane the strength of the sheathing on the roof can greatly impact the homes ability to weather the storm.

For clarity sheathing nails are not shown ladder framing at gable ends. The roof ridge by nailing roof sheathing. 2 8d galvanized ring shanks with a nail gun. And if you ve ever had to deal with a home inspector checking your nailing schedule then you probably know all about how big of a pain in the a it can be to make them happy.

Believe me you don t want to have to remove one of these sheets when fastened at the proper nail spacing. Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails. These schedules were calculated to provide resistance to wind uplift pressure as required by most codes. The connection between the roof sheathing and the structure is a vulnerable point that is known to fail during a hurricane.

Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps.