Venting Framing And Finishing - Empire Comfort Systems DVLT series Installation Instructions And Owner's Manual

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
Vent
Size
8"
NAILS, 4 REQUIRED
Vent
Size
8"
See Horizontal Termination Page 26 and Vertical Termination
Pages 27 and 28.
31259-3-0114
B
NAILS, 4 REQUIRED
CEILING FIRESTOP
A B
10 1/2" 10 1/2"
Figure 40
CEILING FIRESTOP
A
B
A B
10 1/2" 10 1/2"
Figure 41
Page 25