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Old 09-01-2013, 01:10 PM
grassmasterswilson grassmasterswilson is offline
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Join Date: Mar 2007
Location: nc
Posts: 4,135
Mold/mildew on window and door trim

I have a brick house with cream colored trim. There must be some shady spots or poor air circulation cause I battle mold and mildew in the painted surfaces. The brick looks clean.

I do not have a pressure washer and have used a bleach mix and hosed it off. That will clean it up but was wondering if there was a better way? Ay preventative measures I can take? Algeacide?
GrassMasters, LLC
Wilson, NC
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Old 09-11-2013, 02:56 PM
georgialawn88 georgialawn88 is offline
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Join Date: Apr 2012
Location: atlanta georgia
Posts: 1,089
If you don't have a PW cheap pump sprayer with water and bleach car wash brush and hose will do it
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Old 09-11-2013, 04:13 PM
ztman ztman is offline
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Join Date: May 2012
Location: mountain pa
Posts: 978
Try this when you are repainting,d.dmg

I don't like to use a pressure washer on painted wood for obvious reasons. I would just wipe the painted surfaces to remove the mold or mildew, and when you ready to repaint , use a paint the prevents it
I don't mind spending money, I mind wasting money!
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Old 09-11-2013, 05:41 PM
rlitman rlitman is offline
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Join Date: Sep 2009
Location: Long Island
Posts: 1,355
There are mildewcides you can add to paint. They make them in small bottles that you mix into a gallon (just like 2-cycle mix). You can add a bottle to paint that is already mildew repellent too. I always use the stuff when painting a bathroom (as an example).

Ideally, you want to buy the stuff, and have the paint place mix it in right there using their paint shaker. It will be more evenly consistent when mixed on a shaker than when mixed with a stick or paddle.

The more surface "texture" to a paint, the more it will support mold. So semi-gloss has much less of a mold issue than flat. That's why bathrooms should never be painted in flat, but the same rule goes for exterior, as it does for interior mold.

If you already have mold and you simply power wash it off, it will quickly return. You must kill the mold. Bleach may be good for this, but there are safer chemicals for where bleach is not an option. Either way, the mold will still return, because clearly where you have mold, it is still a good habitat for mold growth, but you'll get more time between washings if you do kill the mold first.
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