Gas Roof Vent Height

Gas vents that are over 12 inches 305 mm in size or are located less than 8 feet 2438 mm from a vertical wall or similar obstruction shall terminate not less than 2 feet 610 mm above the highest point where they pass through the roof and not less than 2 feet 610 mm above a portion of a building within 10 feet 3048 mm horizontally.

Gas roof vent height.

Aluminum 016 inner wall galvanized 021 outer wall. Vertical blue arrow in our sketch. The top of the flue opening termination of the chimney should be a minimum of 2 feet above any part of a structure within ten feet. The 2 10 rule states that combustion vents should terminate at least 2 feet above any part of the roof within 10 feet.

3 16 diameters feature twist lock fittings screws required for 14 and larger diameters. Round type b gas vent 3 8 and oval 4 6. Round type b gas vent 10 16. Aluminum 020 inner wall galvanized 021 outer wall.

Clearances 1 clearance to combustibles in single and multi family dwellings. For a gas vent or type l vent this height must be 2 ft 0 61m or more. Clearance in accordance with local installation codes and the requirements of the gas supplier 5 a 3 feet 91cm within a height of 15 feet 4 5m above the meter regulator assembly 5 b 3 feet 91cm above if within 10 feet 3m horizontally. All other gas vents shall terminate not less than 2 feet 610 mm above the highest point where they pass through the roof and at least 2 feet 610 mm higher than any portion of a building within 10 feet 3048 mm.

Round type b gas vent 18 3.