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T&T: Re: Bottom jobs

From: C. Marin Faure (no email)
Date: Wed Dec 01 2004 - 01:49:49 EST

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    >Bob Austin wrote:
    >My choice in the modified hard epoxy is Pettit Trinidad SR or Ultima SR.

    Ultima SR is what we use on our boat, and it is not a hard or modified hard
    paint. Ultima SR is the slime resistant (hence the "SR") version of
    ACP-50, which is Pettit's ablative (sloughing) bottom paint. So while you
    can put Ultima SR (or ACP-50) on top of a hard epoxy or otherwise
    non-sloughing paint, you cannot put a hard paint on top of Ultima SR.

    Trinidad is one of Pettit's hard bottom paints as Bob points out.

    On our boat in our environment (PNW), one coat of Ultima SR plus a second
    coat along the waterline, forefoot, and on the rudders is good for about
    two years. We have been using Pettit's ablative paint (ACP-50 for the
    first three years, Ultima SR since then) on our boat since we acquired it
    and have been extremely pleased with it. We use the boat year round, so
    the paint is getting worn away at a reasonable rate and is exposing the
    anti-fouling compounds on a consistent basis. I don't know how this paint
    would do on a boat that didn't move much.

    C. Marin Faure
    GB36-403 "La Perouse"
    Bellingham, Washington
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