23
Figure 19. 10" x 10" Hole and Vent Pipe
Figure 20. Heat Shield, Interior & Exterior Firestops
VENT PIPE
1" (25.4 mm)
10"
(254mm)
10"
(254mm)
TRIM HEAT
SHIELD IF TOO
LONG, ADD TO
SHIELD IF TOO
SHORT
EXTERIOR
FIRESTOP
INTERIOR
FIRESTOP
HEAT SHIELD
3. Install Support Brackets
For Horizontal Runs
-
The vent system must be sup-
ported every five (5) feet of horizontal run by a horizontal pipe
support.
To install support brackets for horizontal runs:
Place the pipe supports around the vent pipe.
Nail the pipe supports to the framing members.
To install firestops for horizontal runs that pass through
either interior or exterior walls:
Cut a 10-inch by 10-inch (254mm X 254mm) hole through
the wall. The center of the hole is one (1) inch (25.4mm)
above the center of the horizontal vent pipe.
Position the firestops on both sides of the hole previ-
ously cut and secure the firestops with nails or screws.
The heat shields of the firestops
MUST BE
placed to-
wards the top of the hole.
Continue the vent run through the firestops.
Figure 18. Installing Support Brackets
4. Install Firestops
For Horizontal Runs -
Firestops are
REQUIRED
on both
sides of a combustible wall through which the vent passes.
NOTE: Model SLK-01TRD does not need an exterior
firestop on an exterior combustible wall. The firestop is
built into the cap.
1 INCH MIN.
(25.4mm)
FLUE
OUTLET
WALL BRACKET
WALL STUD
8 FT.
(2.4mm)
For Vertical Runs
-
The vent system must be supported
every eight (8) feet (2.4m) above the fireplace flue outlet by
wall brackets.
To install support brackets for vertical runs:
Attach wall brackets to the vent pipe and secure the wall
bracket to the framing members with nails or screws.
NOTE: There must be NO INSULATION or other
combustibles inside the framed firestop opening.