Roof Sheathing Patters

Roof and wall sheathing 8 10d every 4 6 on the seams and 8 12 in the field shingles six roofing nails or staples per shingle.

Roof sheathing patters.

Ventilate the roof according to current building codes step 3. Cover sheathing with shingle underlayment felt to minimize roof sheathing exposure to weather unless otherwise recommended by sheathing manufacturer. Properly fasten panels including fastening and spacing hints step 4. Roof sheathing attaches to the surface of the rafters or trusses to form the structural skin of the roof.

The ability of a roof sheathing panel to resist high winds is directly related to how well it is secured to the roof framing. It spans the rafters to support the roofing and in the case of panel sheathing such as plywood or osb it acts as a diaphragm with the walls to resist horizontal loads. Install sheathing panels according to the recommendations of the engineered wood association apa. Use panels no smaller than 4 feet long.

Blocking of unsupported edges may be required near gables ridges and eaves follow design drawings. Check the nailing surface is level step 2. Tab shingles need two nails on each side of the tab. Cover sheathing with.