INSTALLATION
CHIMNEY HEIGHT REQUIREMENTS
The chimney must extend 3 feet (914 mm) above the level of roof penetration and a minimum of 2 feet (610 mm) higher than any roof surface within 10 feet (305 cm) (see below). Check with your local building officials for any ad- ditional requirements for your area.
Due to prevailing winds, local terrain, adjacent tall trees, a hill, or ravine near the home, or adjacent structures, addi- tional chimney height or a special chimney cap may be required to ensure optimum performance.
The 2’ by 10’ Rule for Vent Termination
Requires A Listed | 3’ (915mm) |
Termination Cap
2’ (610mm)
10’ (305 cm)
The top of the flue must be 2’ (610 mm) higher than any part of the roof within 10’ (305 cm) horizontal and a minimum of 3’ (915 mm) higher than the highest point of roof penetration.
For Manufactured (Mobile) Homes Only: Portions of the chimney and termination that exceed an elevation of 13½ feet above ground level may be designed to be removed for transporting the manufactured (mobile) home.
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