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    khana's Avatar
    khana Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Sep 5, 2010, 12:08 AM
    Wrapping required to the pvc pipe contact with concrete
    Should all pvc pipes/ non-metallic pipes required wrapping when they are embedded in retaining/ concrete wall
    Milo Dolezal's Avatar
    Milo Dolezal Posts: 7,192, Reputation: 523
    Plumbing Expert
    		  
    #2

    Sep 5, 2010, 11:33 AM

    In my area of operation we have to wrap all pipes penetrating concrete with approved foam wrap tape. That will give pipe a bit of room to move during seismic activity or house settlement in general...
    speedball1's Avatar
    speedball1 Posts: 29,301, Reputation: 1939
    Eternal Plumber
    		  
    #3

    Sep 5, 2010, 01:50 PM

    We don't have a lot of "seismic activity" here on the Gulf Coast so the only stubups we wrap aree "closet collars" around toilet stub-ups, and then so we can install a flange on the pipe. However we sleeve our pipes running through the foundation. Unless they're built up with a crawl space all of our hones are built on slabs. Cheers, Tom
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