Is it necessary to install a water stop ring at the place where the toilet drainage riser passes thr

Updated on Bathroom 2024-07-23
3 answers
  1. Anonymous users2024-01-24

    There is no clear provision in the construction quality acceptance specification for building water supply and drainage and heating engineering to install a water-stopping ring, so the water-stopping ring can not be installed when the design is not clearly specified in the construction.

  2. Anonymous users2024-01-23

    A water-stop ring must be installed, and there are mandatory regulations.

  3. Anonymous users2024-01-22

    Yes, it is mandatory.

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