Aluminum Pipe

Aluminum Pipe is manufactured with a plastic liner installed inside the pipe. The liner is installed to protect the aluminum from rapid corrosion taking place.


7.2.7.9. Aluminum DWV Pipe and Components

  1. Drainage piping and vent piping made of aluminum and its components shall be certified to CAN/CSA-B281...
  2. Aluminum DWV pipe shall not be used in water systems.
  3. Aluminum drain waste and vent pipe to be buried underground shall be protected by a factory applied coating in accordance with can/csa b281...

7.2.10.14(1)(b) Aluminum sheet vent pipe flashing shall be at least 0.61 mm thick.


7.3.3.3.(3)

7.3.2.3.(3)

7.3.2.4.(2)

7.3.3.11.(2)

Aluminum DWV pipe shall not be welded.

Aluminum DWV pipe shall not be used with a screwed joint.

Aluminum DWV pipe shall not be used with soldered joints.

Aluminum DWV pipe shall not be bent.



7.3.4.5. support for Horizontal Aluminum Piping

  1. aluminum pipe is supported


  1. at intervals not greater than 3 m,
  2. at both sides of all joints,
  3. at all branch ends
  4. at all points where there is a change in direction,
  5. as close to all traps as possible.


  1. supports and hangers for aluminum DWV pipe shall have a broad support base and shall be free of burrs and rough edges to prevent abrasion of the pipe.