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25613-0-0309Page 34
A
B
NAILS,4REQUIRED
CEILING FIRESTOP
EXISTING CEILING JOISTS
NEW FRAMING
CEILING BELOW
B
A
NAILS,4REQUIRED
CEILING FIRESTOP
A
B
FRAMING AND FINISHING (continued)
Vent Size A B
6 5/8" 10" 10"
8" 10 1/2" 10 1/2"
Vent Size A B
6 5/8" 10" 10"
8" 10 1/2" 10 1/2"
Vent Size A B
6 5/8" 10" 10"
8" 10 1/2" 10 1/2"
Figure 51
Figure 52
Figure 53
See Horizontal Termination Page 35 and Vertical Termination
Pages 37 and 38.