Install Instructions

Type B Gas Vent - 3” to 12” Diameter
Installation Instructions
3
Figure 2
Figure 3
NAIL STRAPPING
IN PLACE
(FOUR PLACES)
NAIL THROUGH
SLOTS
(FOUR PLACES)
Figure 4
NAIL THROUGH
SLOTS
(FOUR PLACES)
4. Pass Type B Gas Vent through opening in Fire-
stop Support (FSP).
5. Install Support Bracket as shown in Figure 1.
Clamp bracket securely to pipe section, using the
pair of bolts and nuts provided. Insert the included
screws through the holes in the Support Bracket
and into the pipe.
For installations with multiple supports, an adjusta-
ble length section of Type B Gas Vent should be
installed between each pair of locations where a
Firestop Support is used. See Figure 5. This pro-
vides relief for thermal expansion. The adjustable
length section should be positioned directly under
the Vent Pipe section that is being supported.
NOTE:
When installed
w ith the entire vent in a
vertical position as shown in Figure 5, the
bot tom end of the adjustable length sec-
tions should not be secured with the screws
provided. This will allow movement to
compensate for expansion. See section titled
Adjustable Length Sections on Page 4.
FIRESTOP SUPPORT
20 FEET
MAXIMUM
20 FEET
MAXIMUM
Figure 5
ADJUSTABLE
LENGTH SECTION
FIRESTOP SUPPORT
ADJUSTABLE
LENGTH SECTION
FIRESTOP SUPPORT
ADJUSTABLE
LENGTH SECTION
APPLIANCE
DRAFTHOOD