Roof Sheathing Nailing Pattern

The roof ridge by nailing roof sheathing.

Roof sheathing nailing pattern.

Many homes have been severely. Another consideration relates to the con dition of the building envelope during the high wind. Boards used for sheathing range from those with a 4 inch face to 48 inch long plywood sheets. Deformed shank i e ring or screw shank nails are required near ridges gables and eaves in areas with design wind speeds over 110 mph 3 second gust but it is typical layout of roof.

Ventilate the roof according to current building codes step 3. Two on one side joists to sills or girders toenail three 10 12d. Properly fasten panels including fastening and spacing hints step 4. The number of nails needed for a roof varies on multiple factors such as board face width length and roof truss spacing.

Before hurricane andrew devastated south florida in 1992 roof sheathing was generally attached using 6d nails spaced at 6 inches along the edges of the sheathing and at 12 inches along interior. Check the nailing surface is level step 2. Full round heads are recommended to avoid head pull through. Ladder framing at gable ends use extra care when attaching a ladder framed exten sion to a gable end.

For clarity sheathing nails are not shown ladder framing at gable ends. And scroll down to see more details on each with installation hints and tips below. The roof framing members into which the sheathing fasteners are driven. Holes drilled in roof sheathing for ventilation roof diaphragm action is maintained.

Top and bottom plates to studs end nail two 12 16d per stud ceiling joists to top plate toenail three 8 12d. Two on one side bridging between joists toenail each end with two 8d sole plate to joist or blocking at braced wall. A structure s roof truss spacing can vary from every 12 to 24 inches. Wood of more dense species such as douglas fir or southern pine provides greater nail with drawal resistance and significantly improves the performance of the sheath ing nailing.