gel coat vs paint

Discussion in 'Boat Design' started by lane44, Jan 19, 2020.

  1. ondarvr
    Joined: Dec 2005
    Posts: 2,093
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    Location: Monroe WA

    ondarvr Senior Member

    Don’t use a clear coat over the top unless you plan on applying a metal flake finish.

    Clear coats will just complicate things.
     
    Ilan Voyager likes this.

  2. Ilan Voyager
    Joined: May 2004
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    Location: Cancun Mexico

    Ilan Voyager Senior Member

    Clear coats, metallic and flake paints are pains on the boats (and often on cars...), with their big surfaces and many possible scratches. These paints are impossible to repair correctly and do age badly when exposed to the sun and weather. I did some for customers who wanted it even after being warned. One year later they were unhappy as the clear coats were yellowing and worst some peeling, and all the reparation of scratches looked badly.
    Some colors can be problematic also. The dark ones overheat in the sun and become fragile being overcooked, and some greens can become truly ugly, a pissing yellowish thing.
    The longer lasting are the very light greys, "broken" whites and some yellows. Pearly is spectacular, it do gleam in the sun and it's very durable as the pearly agent is very stable, often a mica flour; and it's a full constituent of the paint. The lone con; these pearly paints must be applied on a dark primary or a black coat. And three coats are needed for full effect, thus it's more expensive.
     
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