Cured-In-Place-Pipe Repairs at St Peter’s Square

IMG_3517Cured-In-Place-Pipe (CIPP) Repairs, being performed at St. Peter’s Square.  The Repairs had already been performed, this was the last step, which is blowing steam into the pipeline to cure the repairs.





IMG_3514See Dave Moore’s video in his comment below.



  • Thanks Manuel you got this cat’s curiosity going, so did a look this is what I found! Sharing as I was not familiar with this educational! Dave & Kim

    CIPP (Cured In Place Pipe) Demonstration – Advanced Pipe Repair


  • Great photos! But after years of claiming that exposure to ‘steam’ during the CIPP curing and cool down process was safe, a new study backs previous findings stating that it is actually harmful toxic emissions.

    CIPP Emissions Study
    Municipal Incidents:
    CIPP Safety Website: 
    CIPP Workers:

    An early study completed at the City of Los Angeles showed similar results.
    CIPP Workers:

    Last month, the State of California Department of Health, Division of Environmental and Occupational Disease Control, published a ‘CIPP Safety Alert’ that stated that their tests showed that styrene was measured up to three months following CIPP installation and that curing time for resins used in CIPP can take as long as 6 months.

    Please share with your readers and contact the authors for more information.


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