Question

1. identify the specified parts of the following common rafter.

a.

b.

c.

d.

e.

f.

1. basic terms and dimensions used in roof framing are shown in the following drawing. identify each specified item.

Explanation:

To identify the parts of a common rafter in roof framing:

• A: Likely the "Ceiling Joist" (supports the rafter at the ceiling level).
• B: Likely the "Bird’s Mouth" (the notch in the rafter that fits over the top plate).
• C: Likely the "Seat Cut" (the horizontal cut of the bird’s mouth, resting on the top plate).
• D: Likely the "Top Plate" (the horizontal member of the wall top, supporting the rafter).
• E: Likely the "Ridge Board" (the horizontal member at the peak of the roof, joining rafters).
• F: Likely the "Rafter Tail" (the overhanging part of the rafter beyond the wall, for eaves).

Answer:

A. Ceiling Joist
B. Bird’s Mouth
C. Seat Cut
D. Top Plate
E. Ridge Board
F. Rafter Tail