Nailing Sheathing On Roofs With 1 Rafter

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.

Nailing sheathing on roofs with 1 rafter.

Method for maintaining a continuous load path at the roof ridge by nailing roof sheathing. 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. Raise the sheathing 1 8 inch above the previous row and nail it into place. Ventilate the roof according to current building codes.

A structure s roof truss spacing can vary from every 12 to 24 inches. Keep a 1 8 distance between sheets on all sides to allow roof for expansion due to heat. Boards used for sheathing range from those with a 4 inch face to 48 inch long plywood sheets. Properly fasten panels including fastening and spacing hints step 4.

Always check for a level nailing surface. 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. Complete the second row offset one rafter width from the first then move onto the third row and so on until the last.

Install shingles according to manufacturer recommendations step 1. Check the nailing surface is level. But the canadian stuff is the best. 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.

Just stick a few nails between sheets when you line them up. Roof sheathing and the gable truss. Tighter nail spacing is recommended 4 inches on center maximum. The critical fasteners occur at the gable framing member not necessarily at the edge of the sheathing.

Nailing accuracy is crucial along this member.