Roof Sheathing Fasteners

However if the authority having jurisdiction or the designer of record requires the use of corrosion resistant fasteners i e.

Roof sheathing fasteners.

Nailing accuracy is crucial along this member. The critical placement of these fasteners are key. Zip system panels install fast and stay flat for a roof that looks as good as it performs. All fasteners are critical.

The roof framing members into which the sheathing fasteners are driven. Check the nailing surface is level step 2. 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. Ridge vents when the roof sheathing is used as a structural diaphragm as it typically is in high wind and seismic hazard areas the structural integrity of the.

What size and type of screws are best to attach plywood over roof rafters. Stainless steel galvanized etc for typical wood structural sheathing on the roof. And scroll down to see more details on each with installation hints and tips below. 2 8d galvanized ring shanks with a nail gun.

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. Another consideration relates to the con dition of the building envelope during the high wind event. Zip system sheathing and tape provides a water resistant durable underlayment for many finished roof coverings including metal tile and asphalt shingles fiberglass shingles and cedar shingles. Roof sheathing and the gable truss.

There is a common misconception in the building industry that screws always outperform nails when attaching wood to wood. Tighter nail spacing is recommended 4 inches on center maximum. Method for maintaining a continuous load path at the roof ridge by nailing roof sheathing. Properly fasten panels including fastening and spacing hints step 4.

Cover sheathing with. Sheathing panels to the supporting framing are acceptable to use with zip system sheathing. Spaced 3 8 of an inch from the edge and corners. The ten most important fasteners in a roof panel are the ones in each corner and the six in the intermediate panel edge connections.

Cover sheathing with shingle underlayment felt to minimize roof sheathing exposure to weather unless otherwise recommended by sheathing manufacturer. Never screwed the plywood roof decking on. Can screws be used instead of nails for attaching wall sheathing to framing. It s true that screws have a highly effective withdrawal resistance which makes them excellent fasteners for tasks such as avoiding squeaks in flooring assemblies resisting uplift forces that occur in roofs and holding deck ledgers tight to.

The critical fasteners occur at the gable framing member not necessarily at the edge of the sheathing. Tighter fastener spacing schedules can be expected for homes built in high wind areas. Roe osborn a senior editor at jlc responds.