Nailing Sheathing On Roofs With 1 Rafter

Nailing accuracy is crucial along this member.

Nailing sheathing on roofs with 1 rafter.

Install shingles according to manufacturer recommendations step 1. But the canadian stuff is the best. Properly fasten panels including fastening and spacing hints step 4. Ventilate the roof according to current building codes.

On the edges and 12 o c. Just stick a few nails between sheets when you line them up. Cover sheathing with shingle underlayment felt. Tighter nail spacing is recommended 4 inches on center maximum.

Apply adhesive along the connection between the roof sheathing and rafters in a continuous bead much like caulk around a bathtub or apply adhesive to two adjacent sides of 1 by 2 blocks 6 inches. Since this sheathing material does not provide a diaphragm at the plane of the roof other means of bracing the roof against horizontal loads must be employed. Anyway i did the roof but i think i ll stick with osb sheathing there aren t any voids that i have ever found and it seems to be stronger than 1 2 inch plywood unless you buy 5 8 or 3 4 inch stuff. Method for maintaining a continuous load path at the roof ridge by nailing roof sheathing.

Raise the sheathing 1 8 inch above the previous row and nail it into place. Keep a 1 8 distance between sheets on all sides to allow roof for expansion due to heat. The number of nails needed for a roof varies on multiple factors such as board face width length and roof truss spacing. Open or skip sheathing is usually made with 1 4 or 1 6 boards nailed horizontally to the rafters with a space between the boards.

Always check for a level nailing surface. A structure s roof truss spacing can vary from every 12 to 24 inches. The critical fasteners occur at the gable framing member not necessarily at the edge of the sheathing. Complete the second row offset one rafter width from the first then move onto the third row and so on until the last.

Boards used for sheathing range from those with a 4 inch face to 48 inch long plywood sheets.