Roof Sheeting 16 On Center

Just remember with all sheathing to space the joints 1 16 1 8.

Roof sheeting 16 on center.

The skeleton of a roof is formed with rafters or trusses generally spaced 16 inches or 24 inches apart from the center of one rafter to the center of the next. Never attach roof sheathing with staples. For subfloors zip s 1 2 in. The typical thickness range for sheathing is 3 8 to 3 4 inch.

Sheathing should be a minimum of 19 32 inch thick. Floor or roof sheathing conforming with this table shall be deemed to meet the design criteria of section 2304 7. To stabilize the rafters support the roofing material and hold the entire roof together roof sheathing is installed. Now the fact that you are on 16 centers 7 16 would be fine although i probably would still use 1 2 out of habit.

I only use 1 2 osb on roof sheathing but the apa rating of the osb does allow for 24 centers. 3 drill point no 12 14 x 38mm long into steel or type 17 drill point no 12 11 x65mm long into timber. Roofs are framed with rafters or trusses which are rafters joined by internal braces so they install as a single component. H clips provide additional stiffness between bearing points for the unsupported edges of wood panel plywood or osb roof sheathing along with the necessary 1 8 gap for expansion as shown below illustrated on a bag of simpson h clips.

What about the roof sheathing at 24 in. Panels are rated 32 16. Class 3 hex flange head epdm seal self drilling no. Thicknesses range from 5 16 to 3 4 inch and the proper.

Rafters run from the peak of the roof. Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame. Fasten roof sheathing panels properly fasten panels with a minimum of 8d common 0 131 inch by 2 1 2 inch nails spaced a maximum of 6 inches on center at supported panel ends and edges. That means it can be used at 24 in.

Osb comes in 4 by 8 foot sheets as does plywood but the manufacturing process allows the production of longer and wider ones. Huber s zip system sheathing which we are using on the fhb house has a span rating of 24 16 for 7 16 in. The minimum plywood for roofing. For rafters or 16 in.