NTI Matrix - Page 19

Figure 5-2 Sidewall Termination Clearances (See Table 5-1)
G – Letter represents a specific Termination Position. Refer to Table 5-1 for corresponding termination clearances.
Concentric Vent
Termination
Q
Two-Pipe
Termination
F
Clearance “Q”
Adjacent to Public
Walkway or Driveway
Minimum 7ft. [2.13 m]
G
Clearances “F” and “G”
Canada – Minimum 3 ft. [915 mm]
The US – Minimum 1 ft. [305 mm]