7
Termination Cap
WARNING
MAJOR U.S. BUILDING CODES
SPECIFY MINIMUM CHIMNEY AND/OR
VENT HEIGHT ABOVE THE ROOF TOP.
THESE MINIMUM HEIGHTS ARE
NECESSARY IN THE INTEREST OF
SAFETY. FIGURE 2 SHOWS MINIMUM
HEIGHTS, PROVIDED THE
TERMINATION CAP IS AT LEAST
2-FEET FROM A VERTICAL WALL AND
2-FEET BELOW A HORIZONTAL
OVERHANG.
NOTE: This also pertains to vertical vent systems
installed on the outside of the building.
Roof Pitch
H (min.) ft.
flat to 6/12
1.0
6/12 to 7/12
1.25
over 7/12 to 8/12
1.5
over 8/12 to 9/12
2.0
over 9/12 to 10/12
2.5
over 10/12 to 11/12
3.25
over 11/12 to 12/12
4.0
over 12/12 to 14/12
5.0
over 14/12 to 16/12
6.0
over 16/12 to 18/12
7.0
over 18/12 to 20/12
7.5
over 20/12 to 21/12
8.0
Figure 2. Minimum Height from Roof to Lowest
Discharge Opening
Summary of Contents for BAY-INS
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