Part I. Identify and name the parts used in roof framing plan .
Number 1 - Purlins
Number 2 - Rafters
Number 3 - Hip Rafters
Number 4 - Ridge Board
Number 5 - Jack Rafters
Purlins
→ are horizontal structure members used to frame a roof.
Rafters
→ a structural member used to frame a roof.
Hip Rafters
→ laid diagonally from the comer of the plate or girts to the ridge.
Ridge Board
→ is the top edge of the roof where rafters meet.
Jack Rafters
→ any rafter which does not extend from the plate or girts to the ridge.
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