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Sandy Simmons 08-27-2009 12:55 AM

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.

NCpaint1 08-27-2009 07:53 AM

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.

poppameth 08-27-2009 10:16 AM

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

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