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Old 08-27-2009, 01:55 AM   #1
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Clear coating metal ballisters

The finish on metal ballisters in an outside railing has become dull. They have a petina powder coated finish. What product should I use to protect the ballisters from continued damage from weater exposure? I will need to wipe on the product with a cloth/sponge. I'm hoping not to do a light sand because of damage to the paint, and want to avoid yellowing over time. Also, I live in Alaska.

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Old 08-27-2009, 08:53 AM   #2
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Clear coating metal ballisters

Good question. Acrylic DTM in a clear finish. Or some type of similar product, but definitely an acrylic. An oil based product will yellow, and most epoxies dont hold up with the exterior UV exposure.

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Old 08-27-2009, 11:16 AM   #3
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Clear coating metal ballisters

Acrylic 2 part Aliphatic Urethane. Something like Devoe Devthane 379.
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