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Page 35
A
B
NAILS, 4 REQUIRED
CEILING FIRESTOP
EXISTING CEILING JOISTS
NEW FRAMING
CEILING BELOW
B
A
NAILS, 4 REQUIRED
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 54
Figure 55
Figure 56
See
Horizontal Termination
Page 36 and
Vertical Termination
Pages 38 and 39.