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Need suggestions for painting exterior window trim

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Need suggestions for painting exterior window trim

Old 06-29-2008, 07:23 AM
  #1  
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Default Need suggestions for painting exterior window trim

When my house was built they screwed up the exterior trim by waiting too long to paint over the primed trim work. After 12-24 months most of the trim started peeling and one solution was to have the eves and overhang covered in aluminum which worked great.

Now I have the windows/trim to deal with. On some windows the peeling paint is really bad, to the point I had a rotted window sill on one window which I replaced last week. Some of the windows only have paint peeling in a couple of small spots.

First question is for the windows with only a small amount of paint peeling: Should I strip all the paint or just do a touch up?

Second questions is what's the easiest way to strip paint? Scraper, heat gun, pressure washer? I used a scraper for a couple of windows and it was time consuming but got all the paint off.

Thanks in advance for your help! I should just have someone do it but obviously I want to make sure it's done right this time around by getting the peeling paint off, priming the trim and then applying a quality paint.
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Old 06-29-2008, 05:12 PM
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Default Re: Need suggestions for painting exterior window trim

My experience, if you put fresh acrylic latex over existing marginally adhered paint, it will pull the existing paint off to the wood or primer. You can't put oil over latex, so that's out. You can put oil base over oil base, but that traps moisture vapor under the paint film, causing it to lift. Out of options, aren't we?

Wanna do it right? Take the sashes out. scrape or sand to bare wood, prime with OIL based primer. The BEST finish material is acrylic latex, because it allows to wood to breathe. It also makes the sashes stick to the jambs.

There is a difference between water VAPOR and liquid water. Acrylic latex sheds liquid water, but allows the water vapor to permeate thru it.
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Old 06-29-2008, 05:52 PM
  #3  
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Default Re: Need suggestions for painting exterior window trim

Have the widow frames and sills covered with aluminum to match your facsia and soffits.
You only have to do it once and your done.
Call your siding guy for a price
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