Heatilator NDV3630 Owner's Manual page 35

C. Install the Ceiling Firestop
MUST
lation around the vent. Insulation must be kept
back from the pipe to prevent overheating.
pack insu-
Figure 8.3
CEILING FIRESTOP
INSTALLED BELOW CEILING
Figure 8.4 Installing the Attic Shield
Heatilator • Novus NDV Series • 4055-187 Rev J • 08/09
Installing Ceiling Firestop
INSTALL ATTIC INSULATION SHIELDS
BEFORE OR AFTER INSTALLATION OF VENT SYSTEM
3 FASTENERS
PER SIDE
ATTIC ABOVE
A
A
A
PIPE
10 in. (254 mm)
DVP
SLP 9 in. (229 mm)
CEILING FIRESTOP
INSTALLED ABOVE CEILING
35