// CODE SNIPPET
801.20 Plastic Vent Joints
Related Code Sections
801.20 Chimneys and Vents, Plastic Vent Joints
Plastic pipe and fittings used to vent appliances shall be installed in accordance with the appliance manufacturer's installation instructions ...
305.5 General Regulations, Waterproofing of Openings
Joints at the roof and around vent pipes shall be made water tight by the use of lead, copper, galvanized steel, aluminum, plastic or other approved ...
Plumbing Code 2018 of Maryland > 3 General Regulations > 305 Protection of Pipes and Plumbing System Components > 305.5 Waterproofing of Openings