Loading...
902.3 Sheet lead.
Sheet lead for vent pipe flashings shall weigh not less than 3 pounds per square foot (15 kg/m
2
) for field-constructed flashings and not less than 2 1/2 pounds per square foot (12 kg/m
2
) for prefabricated flashings.
903.1 Roof extension.
Open vent pipes that extend through a roof shall be terminated not less than 24 inches (610 mm) above the roof. Where a roof is to be used for assembly or as a promenade, observation deck, sun bathing deck or similar purposes, open vent pipes shall terminate not less than 7 feet (2134 mm) above the roof. Approved vandal-resistant vent caps may be used.
Loading...