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    Re: Mold Prevention coatings applied during new construction

    Posted by Greg Weatherman on 8/27/04


    You are placing way too much trust into antifungal sealers,
    paints and coatings. Pay more attention to correcting the
    cause of the water or condensation intrusion. There is no
    antifungal sealer, paint or coating that can win the fight
    against mold and spore-forming bacteria if the source of
    water or condensation intrusion is not corrected.

    It is wreckless to use an antifungal sealer, paint or coating
    on the seal plate and rim joist (band joist) of a home. These
    structural wood members need to be able to dry to the indoors
    and outdoors unless you live in the hot and humid Southeast
    like Florida. In Florida, they have to be able to dry to the
    indoors. There is a load of free information on:

    Look at the difference between the "Orlando" house and
    the "Charlotte" house. There is a link at the bottom of the

    The soil drainage outside should divert water away from the
    home. An old fashioned French field drain with clay tiles is
    still the best way to go (for centuries).

    Antifungal sealers, paints and coatings are useless by
    themselves. Read the label. They tell you the surface has
    to be free of ALL dirt, oils and everything else under the
    sun. Are y'all applying these products in a clean room

    If you don't have fresh air supply and exhaust on your HVAC
    systems you may have a problem with chemical vapors indoors.
    Some of these antifungal sealers, paints and coatings have a
    good history in outdoor uses on items like metal. Wood is a
    different animal.


    Greg Weatherman
    aerobioLogical Solutions Inc.
    Arlington VA 22202


    On 8/02/04, Ljc wrote:
    > I recently ran across a company called American Mold Guard.
    > (Irvine, CA). They provide a ten year warranty against mold
    > growth on the application of their anti-mold surface
    > coating product which is applied during new construction on
    > interior framing and walls. Has anyone heard of this
    > company or product? Does it make any sense...?

    Houses That Work - Engineering

    Posts on this thread, including this one

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