Common spacing for trusses on this type of building is often between 2 and 4 feet but trusses built with advanced designs may allow spacing as great as 8 or 12 feet.
Roof framing match spacing.
The framing overview camera.
In this how it works article managing editor debra judge silber explains the role of collar and rafter ties in the framing of a roof collar ties are necessary to prevent separation of the roof at the ridge due to wind uplift.
Roof framing rafter layout from one end of the rafter material using a speed square or framing square mark an x in 12 angle on the rafter and cut it.
Training videos framing different roof sections with different rafter spacing training videos framing different roof sections with different rafter spacing.
If the existing roof framing is a truss roof system complete structural calculations by a licensed engineer architect will be required.
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This will the first point of the rafter measurement line.
Patio cover section views rafter spacing header interior post post spacing see tables front view end post 4x4 min roof rafters see table bc end post 4x4 min rafter span.
The same concept holds true for roof trusses.
Measure down y height from the long point of the rafter cut and make a mark.