8.69. The threaded joint in piping used to contain petroleum products must be made using a joint compound or polytetrafluoroethylene tape that meets the requirements of CAN/ULC Standard S642 Standard for Compounds and Tapes for Threaded Pipe Joints, published by Underwriters’ Laboratories of Canada.
O.C. 220-2007, s. 1; O.C. 87-2018, s. 341.