what's the best exterior paint for a front porch ceiling?

momfromthenorthSeptember 12, 2009

We painted our house white with Farrel-Calhoun paint (low gloss) about 5 years ago. We live about an hour south of Memphis so yes, much humidity here in the summers. The ceiling of the front porch (painted plywood) now has mildew streaks in it that I can't seem to get out. They put a mildewcide in the paint when we last painted (wasn't much help obviously). I want to clean it up and re-paint it so I'm looking for suggestions as to how to:

1. get rid of the mildew and

2. should we use a primer and if so, which one?

3. which would be the best paint to use for this application?

The porch faces the south and there are gutters all around it.


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I should add that the FC paint was their 100% acrylic satin house paint.

    Bookmark   September 12, 2009 at 11:15PM
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buy bleach and a powerwasher, sorry but it's the nature of the beast.

    Bookmark   September 16, 2009 at 6:46PM
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Get a plastic pump-up garden sprayer and apply a 25% bleach solution to the ceiling and mildewed areas, wait 15 min and hit the bad areas again(if any remaining). Rinse with a garden hose. You may be able to stop there. If not you had to kill the mildew anyway.

I've had good luck with M-1 mildewcide additive in paint but it doesn't last forever. As far as paint goes any manufacturer's best acrylic should be fine on a covered ceiling. Even the best from the big box stores.

    Bookmark   September 16, 2009 at 9:16PM
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We have the same issue. The white beadboard ceiling shows everything. The plan is to clean it as suggested above, and then we will repaint it a light grayish blue, probably in Duration semigloss so it is very washable.

    Bookmark   September 17, 2009 at 2:13PM
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Mildew sealer would be a great product to use before painting exterior in the south. After beaching substrate, a necessity before painting exterior, apply a thin coat of this clear product. It provides a mildew-free surface to hold the top quality Farrell-Calhoun paint. Embedded mildew spores cause may reoccurring mold/mildew problems. Mildew sealer is made by amteco. Farrell-Calhoun has everything I needed!

    Bookmark   September 5, 2011 at 8:19AM
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