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Old 08-15-2009, 11:42 AM   #1
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Painting Exterior Metal Doors


Somehow, I have been "volunteered" to paint a couple of exterior metal doors at our church. They've been in anywhere from 5 - 20 years. They started looking a little worse for wear, so last year a couple of ladies took to them with spray cans. We now have considerable chalking, and general yuckiness, but no rust issues.

I have an HVLP gun I had planned on using. Question is, what kind of paint. Would I be better off with an 'automotive' type, or can I go to a box store & use an exterior 'trim' type paint ?

It is a brick builing, but I was thinking more of masking & shooting them in place instead of a sheet of plywood over the holes.

Advice ...... or what NOT to do ?? As always, your help is GREATLY appreciated ! ! !

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Old 08-15-2009, 12:45 PM   #2
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Painting Exterior Metal Doors


A high quality acrylic, preferably a DTM would be all you need. The key is going to be getting all the chalk off of there first. If it isn't completely removed, the new coating will fail.

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Old 08-15-2009, 01:48 PM   #3
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Painting Exterior Metal Doors


Hey Tharrison57, what type of HVLP gun are going to be using? The reassn I ask is that most HVLP models, like Wagner's, don't put out the kind of pressure needed to shoot higher quality paints. Also make sure to put on a good primer like Zinsser's BIN or Gripper from Glidden.
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Old 08-15-2009, 03:48 PM   #4
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Painting Exterior Metal Doors


BIN is completely unnecessary and not recommended for outside use. Zinsser 1-2-3 might be what you are thinking of.
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Old 08-16-2009, 12:14 AM   #5
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Painting Exterior Metal Doors


Clean them real well first and lightly hand sand then apply 2 coats of DTM Primer/Finish acrylic. You can get it at Sherwin Williams. DTM stands for direct to metal and its industrial. Now days 100% acrylics are better than most oils. What's with everyone on this site suggesting bin for every paint project? Only my opinion, I don't waste my time with bin. I been painting for over 15 years and am the owner of a NY and NJ painting company. I used bin once and never again used it. Your hvlp sprayer will be finr, most people don't realize that wagner also makes other brands of sprayers such as titan, spraytech, and others. The primer/finish can be used as a top coat or primer, so you'll be fine with two coats. We actually just finished painting 3 floors of exposed sprinkler pipe in a commercial building last week, using DTM primer/finish. I have also painted many metal doors with it. One building we did had about 40 metal doors that we used DTM on
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Old 08-16-2009, 01:07 AM   #6
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Painting Exterior Metal Doors


Quote:
Originally Posted by TheDIYerGuy View Post
Hey Tharrison57, what type of HVLP gun are going to be using? The reassn I ask is that most HVLP models, like Wagner's, don't put out the kind of pressure needed to shoot higher quality paints. Also make sure to put on a good primer like Zinsser's BIN or Gripper from Glidden.
Oh, it's a premium model from ..... ummmm ..... Harbor Freight. I actually bought it we put up crown moulding, and it actually worked pretty well with some thinned down latex.

Alright, quit laughing ...........
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Old 08-16-2009, 06:19 AM   #7
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Painting Exterior Metal Doors


Quote:
Originally Posted by TheDIYerGuy View Post
Hey Tharrison57, what type of HVLP gun are going to be using? The reassn I ask is that most HVLP models, like Wagner's, don't put out the kind of pressure needed to shoot higher quality paints. Also make sure to put on a good primer like Zinsser's BIN or Gripper from Glidden.

Not good advice.

Clean them real well first and lightly hand sand then apply 2 coats of DTM Primer/Finish acrylic.
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Old 08-17-2009, 08:54 PM   #8
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Painting Exterior Metal Doors


Checked at SW today, and they thought I should be using their exterior instead of the DTM stuff. Priced about the same, take my pick at $39.99 per gallon. Walked into one of the local farm stores, and they had PPG that was DTM at $29.99 per gallon. I only have two walk-in doors, possibly three at the most.

I'm leaning toward the PPG but, thoughts either way ? Quality should be comparable, isn't it ?

Thanks again ..............
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Old 08-18-2009, 04:38 AM   #9
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Painting Exterior Metal Doors


Quote:
Originally Posted by tharrison57 View Post
Checked at SW today, and they thought I should be using their exterior instead of the DTM stuff. Priced about the same, take my pick at $39.99 per gallon. Walked into one of the local farm stores, and they had PPG that was DTM at $29.99 per gallon. I only have two walk-in doors, possibly three at the most.

I'm leaning toward the PPG but, thoughts either way ? Quality should be comparable, isn't it ?

Thanks again ..............

I would go with the PPG

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