Roof Sheathing Patters

Cover sheathing with.

Roof sheathing patters.

Properly fasten panels including fastening and spacing hints step 4. Check the nailing surface is level step 2. The ability of a roof sheathing panel to resist high winds is directly related to how well it is secured to the roof framing. Blocking of unsupported edges may be required near gables ridges and eaves follow design drawings.

Use shingle underlayment felt conforming to astm d226 type i astm d4869 type i or astm d6757 self adhering polymer modified bitumen sheet underlayment should conform to astm d1970 or check roofing manufacturer s. Roof sheathing attaches to the surface of the rafters or trusses to form the structural skin of the roof. Use panels no smaller than 4 feet long. Install sheathing panels according to the recommendations of the engineered wood association apa.

Tab shingles need two nails on each side of the tab. The type and number of fasteners required for a specific application is obviously an the engineered wood association apa. 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. Ventilate the roof according to current building codes step 3.