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Metal Railing Refinish

 
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Old 09-22-2019, 07:50 PM   #1
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Metal Railing Refinish


I have a black aluminum railing, outdoors that the original finish has worn off of. I seem to remember a high end black brush on paint I saw a painting guy using on wrought iron years ago, I think it was some specialty acrylic paint that was gloss and not cheap. Any ideas of what this might be?
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Old 09-22-2019, 08:21 PM   #2
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Re: Metal Railing Refinish


There's all sorts of acrylic paints for metal. I wouldn't use acrylic without knowing what the existing finish is.

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Old 09-22-2019, 08:27 PM   #3
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Re: Metal Railing Refinish


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There's all sorts of acrylic paints for metal. I wouldn't use acrylic without knowing what the existing finish is.
It's a long outdoor railing so I doubt it's a baked-on product finish. Probably a spray on latex finish if I had to guess. I know I could go with a spray-on like BBQ or Rustoleum but I've seen other more durable products out there.
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Old 09-22-2019, 09:25 PM   #4
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Re: Metal Railing Refinish


S W has a couple of products DTM and another product the name escapes me at this time but it's what I use for pool cages, I spray it most exterior metal work is powder coated
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Old 09-22-2019, 09:58 PM   #5
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Re: Metal Railing Refinish


I’ve not had any problems painting bare aluminum with acrylic latex however most paint manufacturers recommend an etching primer.

Make sure the existing finish will be compatible with a latex paint , if it’s not it will peel .
Test it by applying some latex paint in an inconspicuous spot , allow to dry thoroughly, and see if it sticks . Or see if denatured alcohol will remove or soften the existing finish

As for brands , any high quality paint will work
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Old 09-22-2019, 10:20 PM   #6
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Re: Metal Railing Refinish


DTMs mostly use an acrylic component, while outdoor exposure and abrasion favors urethane. You wind up using something like this:

9700 System 250 VOC Acrylic Polyester Urethane

There are tons of options out there.
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Old 09-22-2019, 10:24 PM   #7
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Re: Metal Railing Refinish


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Originally Posted by Chris Doom View Post
It's a long outdoor railing so I doubt it's a baked-on product finish. Probably a spray on latex finish if I had to guess. I know I could go with a spray-on like BBQ or Rustoleum but I've seen other more durable products out there.
A lot of the long rails at churches around here are powder coated, they can do 20' pieces at least.

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