Gas Roof Vent Height

Aluminum 020 inner wall galvanized 021 outer wall.

Gas roof vent height.

Manufacturers recommendations usually take precedence over local building codes but you won t know for sure which takes precedence or what those manufacturers recommendations are. Round type b gas vent 10 16. For a gas vent or type l vent this height must be 2 ft 0 61m or more. 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.

Aluminum 016 inner wall galvanized 021 outer wall. 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. 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.

Notice that we use the words any roof surface or an part of a structure in this explanation. Round type b gas vent 18 3. Round type b gas vent 3 8 and oval 4 6. Clearances 1 clearance to combustibles in single and multi family dwellings.

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.