Primer for bottom coat on bare fiberglass? - SailNet Community
 
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post #1 of 4 Old 04-20-2009 Thread Starter
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Primer for bottom coat on bare fiberglass?

I just finished sanding down my transom mounted rudder to bare glass and re-coated with West System epoxy.

Will bottom coat adhere to the bare fiberglass resin if it is sanded before application? or do I need a primer?

I am painting the top part of the rudder with Interlux Brightside One part polyurethane in white. Can I just paint the whole rudder white with the Brightside and then paint the bottom coat over that?

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post #2 of 4 Old 04-20-2009
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Don—

You're going to have to clean the rudder with a dewaxer like Interlux Fiberglass Prep Wash 202 and possibly sand it lightly. Then I would coat it with Interprotect 2000E barrier coating—IP2KE works quite well as a primer for all sorts of paints. Then you can paint the upper half with Interlux Brightside and paint the bottom half with anti-fouling paint.

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Last edited by sailingdog; 04-20-2009 at 06:55 PM.
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post #3 of 4 Old 04-20-2009 Thread Starter
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Thanks Dog! Great Information as always

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post #4 of 4 Old 04-20-2009
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glad to help.

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You know what the first rule of sailing is? ...Love. You can learn all the math in the 'verse, but you take
a boat to the sea you don't love, she'll shake you off just as sure as the turning of the worlds. Love keeps
her going when she oughta fall down, tells you she's hurting 'fore she keens. Makes her a home.

—Cpt. Mal Reynolds, Serenity (edited)

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