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Old 04-26-2012, 12:10 PM   #1
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Exterior Metal Door Paint


My side entry door is aluminum. I've painted it twice and it has chipped twice. Any recommendations?

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Old 04-26-2012, 04:31 PM   #2
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Exterior Metal Door Paint


Aluminum usually holds paint quite well. Are you sure it's aluminum? Sometimes GALVANIZED metal LOOKS like aluminum. Galvanized metal doors are notorious for not holding paint. The metal gives off a waxy residue which basically keeps paint from adhering. You need a special primer for galvanized. On the other hand, if it is indeed aluminum, thoroughly clean the door to remove any chalky residue, rinse, allow to dry and use a quality paint. Direct to metal paints are great but a quality acrylic latex works well too. If you have had problems with paint adhering, a quality bonding primer will give your topcoats something to stick to.

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Old 04-26-2012, 05:43 PM   #3
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Exterior Metal Door Paint


You didn't mention if it was factory-finished or bare. In case of factory-finish, it will need etch sanded and wiped clean with a damp cloth, then use a bonding primer, such as XIM-UMA. (Urethane Modified Acrylic). Galvanized metal needs washed with TSP and water-rinsed to remove oily residue from the factory. A 100% Acrylic metal primer will do the job for you on either bare galvanized or aluminum.
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