Use wall brackets to support vertical runs every 8 feet (2.4 m) above the fireplace flue outlet.
NOTE
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.
WALL BRACKET
WALL STUD
8 FT. (2.4 m)
FLUE
OUTLET
1 INCH MIN.
(25.4 mm)
Figure 12. Installing Support Brackets 4. Install Firestops
For Horizontal Runs - Firestops are REQUIRED on both sides of a combustible wall through which the vent passes.
Model
To install firestops for horizontal runs that pass through either interior or exterior walls:
•Cut a
14