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Old 03-26-2012, 01:30 PM   #16
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freshly painted interior metal door paint peeled off


...I have a new white metal door, painted by the builder (I assume) on the inside. I wanted to go over with a darker gray color. I bought Olympic paint with primer in it at lowes. It is a semi-gloss. I went over the door with a sanding block to rough up the paint already on. I then put on 3 coats, waiting about 24 hours between coats. All I can say is that the paint never seemed to adhere properly. it felt rubbery, and when I was finally done I geve another 48 hours before taking off tape. While taking off the tape, it pulled at the paint, and all of the paint came off in sheets. It took off the white paint that was on the door as well. Now I have a metal door with nothing on it. Any ideas as to where I went wrong?


Dreams,

Are you saying all paint came off to a bare metal skin? Or just the builder's paint come off to the original prime coat? So, which paint "never seemed to adhere properly"? If it was only the paint you applied, you did something wrong...However, in either of the other 2 scenarios, what you put on may have "caused" the previous coats to fail, but only because they never had a tight bond to begin with.

Latex paints create a fair amount of stress to the surface it is applied to. This is best illustrated when brushing out a coat of latex on a sheet of notebook paper - when done so, the paper buckles and constricts while the paint dries. This same stress can wreak havoc on an existing coat of paint if it isn't already tightly adhering to the substrate - the evidence of poorly adhering, existing coats of paint and/or primer was demonstrated when you removed the tape.

If this is the case, it wouldn't have mattered what type, or brand of paint you could've or should've used...if the very first application isn't adhering tightly, nothing else will either.

Your best bet now is to remove as much of all coats of paint as possible - back down to the metal skin, which may or may not be galvanized. You didn't mention if this was an interior door (often primed steel or aluminum - rarely galvanized) or the interior face of an exterior entrance door (most often primed galvanized). Once you determine what type of surface you're looking at, then you can apply the proper primer and topcoat with any number of quality latex (acrylic) paints. Good luck - and there are many latex paints and primers that'd work well in your situation. Talk to your local independent paint dealer for his or her suggestions.


Last edited by ric knows paint; 03-26-2012 at 01:36 PM.
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Old 03-28-2012, 05:00 AM   #17
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freshly painted interior metal door paint peeled off


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Originally Posted by pkrapp74 View Post
Poppameth is correct about the factory primer. Usually a thorough wipedown is all you need.

All steel doors manufactured in the last 10 years are galvanized. The better quality doors are hot-dipped.
I didn't realize this either. I haven't seen one without the primer for so long!
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Old 06-07-2012, 12:50 AM   #18
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freshly painted interior metal door paint peeled off


Thank you to all who answered! I used a heat gun and scraper and got off every speck of paint that I had applied, as well as the paint that the builder had applied. It actually came off very easily..... There was still a very fine layer of gray primer on the metal door from the manufacturer.

Then I wiped off the door with denatured alcohol in water. Then I primered again with a primer that stated it was for metal doors, and it said it was a "high adhesion" primer. Then I used very fine grit sand paper, roughed up the surface, and wiped it down with the denatured alcohol again to get off any loose dust. After that dried, I put on my paint in 2 coats. I used the sand paper and denatured alcohol between coats. This worked great and the door looks like a million bucks. Can't thank everyone enough. It took me a while to get back to it because I was bummed about my first try, but now I am so happy I stuck with it and got it done properly. Danke!!
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Old 07-17-2012, 08:54 AM   #19
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freshly painted interior metal door paint peeled off


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Originally Posted by dreamstwogo View Post
Thank you to all who answered! I used a heat gun and scraper and got off every speck of paint that I had applied, as well as the paint that the builder had applied. It actually came off very easily..... There was still a very fine layer of gray primer on the metal door from the manufacturer.

Then I wiped off the door with denatured alcohol in water. Then I primered again with a primer that stated it was for metal doors, and it said it was a "high adhesion" primer. Then I used very fine grit sand paper, roughed up the surface, and wiped it down with the denatured alcohol again to get off any loose dust. After that dried, I put on my paint in 2 coats. I used the sand paper and denatured alcohol between coats. This worked great and the door looks like a million bucks. Can't thank everyone enough. It took me a while to get back to it because I was bummed about my first try, but now I am so happy I stuck with it and got it done properly. Danke!!

This may be too late, but I have successfully painted two primed metal doors (The stock HD/Lowes) doors with Sherwin Williams Latex Enamel (http://www.sherwin-williams.com/pain...aint-coatings/)

Never had a problem with chipping or peeling, but you do need two coats for good coverage

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