ABS Sewer (Stack Pipe)

Discussion in 'Plumbing Forum, Professional & DIY Advice' started by irvinew, Jun 28, 2010.

  1. irvinew

    irvinew New Member

    Jun 28, 2010
    Regina Sask Canada

    I recently had to get my cast iron stack pipe replaced. Only half the job was done because the lower stack pipe (in the basement) was composed of ABS and ran through the concrete bracing wall I had poured awhile ago. Now the 2nd part of the job is coming up but I am wondering is it okay to run a ABS pipe through concrete? There is a a slight vertical crack where the pipe is. I'd rather push the job back if it is okay to do this.

    MASTERPLUMB777 Member

    Aug 6, 2007
    Retired Master Plumber
    You need a some type of metal sleeve for abs to go though because of

    stress from concrete settlement, !

    Usually plumbers wrap a Styrofoam wrap of a bout 3/4" around the pipe

    before concrete is first poured
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