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Page 25
VENTING FRAMING AND FINISHING (continued)
If the area above the ceiling is NOT an attic, position and secure
the ceiling firestop on the ceiling side of the previously cut and
framed hole.
See Figure 39
. If the area above the ceiling is an attic,
position and secure the firestop on top of the previously framed
hole.
See Figure 40.
Notice:
Remove insulation from the framed area in the attic before
installing the firestop and/or vent pipes.
A
B
NAILS, 4 REQUIRED
CEILING FIRESTOP
▲
►
▼
◄
◄
▲
Vent
Size
A
B
8"
10 1/2"
10 1/2"
Figure 40
NAILS, 4 REQUIRED
CEILING FIRESTOP
A
B
▲
►
▼
◄
◄
▼
Vent
Size
A
B
8"
10 1/2" 10 1/2"
Figure 41
See
Horizontal Termination
Page 26 and
Vertical Termination
Pages 27 and 28.