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  1. #1
    Join Date
    Mar 2007
    Location
    Daniel Island, SC.
    Posts
    230

    Default Pooling water on deck.

    I called out an attached deck to a condo that was 1 level up because when it rained, water pooled on about 40% of the deck. The deck surface was membrane and where it pooled, there was no slope at all. It was level. Builder and membrane manufacturer look at it and said since the water evaporated within 72 hours, all was fine. I have never heard of such. Is this BS or is there some truth to this.


    Jim Murphy

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  2. #2
    Join Date
    Mar 2007
    Location
    Ormond Beach, Florida
    Posts
    26,250

    Default Re: Pooling water on deck.

    Probably post tensioned slab with the anchors a little too high in the slab, when the tendons are tensioned it caused the slab to curl upward at the outer edge.

    The balcony should slope at least 1/8" to the outside edge, however, the recommended minimum slope is 1/4", and if there is roofing or some other membrane on it, it should slope 1/4" per foot minimum.

    Even if the manufacturer were to provide a letter stating that they will back the full length of the warranty with a full replacement cost coverage should the membrane deteriorate, would your client want mold, algae, mildew, slippery growths, stains, slimy gunk, etc., on their deck where they will not want to use the deck? Not very likely.

    Let the contractor correct the problem and make a slope to the exterior edge as it should have.

    Jerry Peck, Construction / Litigation Consultant
    Construction Litigation Consultants, LLC ( www.ConstructionLitigationConsultants.com )
    www.AskCodeMan.com

  3. #3
    Join Date
    Mar 2007
    Location
    Daniel Island, SC.
    Posts
    230

    Default Re: Pooling water on deck.

    Thanks so much Jerry!

    Jim


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