EMC clear coat over existing varnish

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EMC clear coat over existing varnish

Post by bluewater on Mon Apr 20, 2015 8:12 pm

Are there any compatibility issues with the EMC clear coat over marine spar varnish?

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Re: EMC clear coat over existing varnish

Post by Admin - Shine on Tue Apr 21, 2015 8:12 am

bluewater wrote:Are there any compatibility issues with the EMC clear coat over marine spar varnish?

Hi Bluewater, I would take the spar varnish off, it would be the weak link as far as bonding goes. From a surface contamination standpoint, I would not be 100% confident either unless I tested a piece first. If it were mine, I would sand the varnish (if you can sand it) then test the ST gloss over top on a small part. If it lays out without signs of surface contamination, then you should be good to go.
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