Gas Vent Termination - Clearance Tolerances

Clearance tolerance per roof slope for gas vent terminations - vent caps

clearance gas vent room

Roof SlopeRoof DegreesClearance (in)
flat to 6/12 27 12
6/12 - 7/12 27 - 30 15
7/12 - 8/12 30 - 34 18
8/12 - 9/12 34 - 37 24
9/12 - 10/12 37 - 40 30
10/12 - 11/12 40 - 43 39
11/12 - 12/12 43 - 45 48

Related Topics

  • Gases and Compressed Air - Air, LNG, LPG and other common gas properties, pipeline capacities, sizing of relief valves
  • Ventilation - Systems for ventilation and air handling - air change rates, ducts and pressure drops, charts and diagrams and more

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