Use wall brackets to support vertical runs every 8 feet (2.4 m) above the fireplace flue outlet.
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. (2.4mm)
FLUE
OUTLET
1 INCH MIN. (25.4mm)
| Figure 19. 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 |
| firestop on an exterior combustible wall. |
| To install firestops for horizontal runs that pass |
| through either interior or exterior walls: |
| • Cut a |
| through the wall. The center of the hole is one (1) |
| inch (25.4 mm) above the center of the horizontal |
| vent pipe. |
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