14
For Vertical Runs -
The vent system must be
supported every eight (8) feet (2.4 m) 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.
Use wall brackets to
support vertical runs
every 8 feet (2.4 m)
above the fireplace flue
outlet.
Figure 13. 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 DVK-01TRD does not need an exterior firestop
on an exterior combustible wall.
To install firestops for horizontal runs that pass
through either interior or exterior walls:
Cut a 12-inch by 12-inch (305mm X 305mm) hole
through the wall. The center of the hole is one (1)
inch (25.4 mm) above the center of the horizontal
vent pipe.