Midterm Flashcards
1
Q
Common rafter layout procedure
A
- draw plumb line using framing square at one end for ridge
- mark half ridge beam in from end perpendicular to plumb line
- calculate line length of rafter from first plumb line (not subtracting .5 ridge)
- mark birds mouth plumb line
- mark seat cut (2-4”) (not longer then wall pate is wide)
- calculate tail length
- measure+mark tail along top edge of rafter.
- mark plumb line for fascia cut same angle as others
- mark soffit cut back towards birds mouth(make sure to leave sufficient length to attach fascia)
- cut rafter. use as template.