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Roof framing match spacing.
Roof area 49 69m rafters 14 rafter spacing 763 5 adjusted to fit evenly next larger spacing 827 1 next smaller 708 9.
If the existing roof framing is a truss roof system complete structural calculations by a licensed engineer architect will be required.
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.
This will the first point of the rafter measurement line.
Training videos framing different roof sections with different rafter spacing training videos framing different roof sections with different rafter spacing.
So the space between rafters can be greater without reducing the maximum span.
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.
Collar ties may take up space in the attic of your home but they are there for a reason.
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.
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.