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C E asked:

Jul 7, 2015
I have a home built 1956 with original aluminum crank out picture window that I'd like painted to match my brown gutters.
Picture window has 2 small crank outs on sides and one huge glass pane in middle. I was told aluminum was pitted and would be difficult to paint over even after sanded and primed. I don't mind if there's going to be a little texture because I want this window to match the color of the other windows and it doesn't need replaced, just rechaulked & painted. Will this look good painted or should I leave it alone? Thanks.

Nilza Jackson of WCI Group Inc. PRO answered:

Jul 17, 2015

Aluminum windows are not energy efficient and they are noisy.  If the window is more than 10 years old, replace it with an energy star rated vinyl window that has bronze outside/white inside.  It will look better, be quieter and the energy savings will pay you back in a very short time.

Jul 13, 2015

Dear C E,

I would leave the window alone.  Aluminum windows are typically electro statically painted in a controlled environment when they were originally built at the factory.  This environment includes air cleaners, pressure sprayers, heat/infrared curing ovens and lots of air handling equipment (large fans).  This controlled environment leaves your aluminum windows looking like brand new car paint finishes.  It is nearly impossible to replicate such an environment in the field at your home thus leaving many people with unhappy results when they try to repaint aluminum windows after they have been installed.  The weather effects and pitting you describe make this process almost impossible.  I believe you will be in for a lot of work and frustration and not happy with your end result if you try such a task. 

Sincerely,

John Patrick

President, Larmco Windows, Inc.



Jul 16, 2015

I have seen it done and seen the paint last if cleaning is thorough and the proper paint is used but the first answer is true. You won't replicate a factory finish and it is nore difficult to do than a wood window. The paint finish won't look as good but from a short distance its ussually not noticeable. We use alcohol to clean surfaces prior to painting to get a good clean surface. With metal the temperature needs to be ideal also. Not too hot, not too cold.

Jon Brewer

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