Page 34
23114-0-0407
A
B
NAILS, 4 REQUIRED
CEILING FIRESTOP
EXISTING CEILING JOISTS
NEW FRAMING
CEILING BELOW
B
A
NAILS, 4 REQUIRED
CEILING FIRESTOP
A
B
VENTING 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 52
Figure 53
Figure 54
See
Horizontal Termination
Page 35 and
Vertical Termination
Pages 36 and 37.