How to Fight Mildew on Your Home

Apr 23, 2014 -- Posted by : ajpereira

Ron's Painting


Serving Sanibel and Captiva Islands, Fort Myers, Naples, Bonita Springs, Estero and Cape Coral, FL.

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How to Fight Mildew on Your Home

Mildew is something that affects a lot of homes in Southwest Florida. Our weather is perfect for mold and mildew growth, and it can turn the exterior of a home into an eyesore.  After all we do live in the tropics and we don't have any of that white stuff to deal with every winter. (Snow)

Fortunately, there are ways to keep mildew and mold in check, especially when you are beginning a Southwest Florida painting project.  Here’s how you can control the fight against mildew.

Pressure Clean Your Home Regularly

One way to fight mildew and mold growth is to regularly pressure clean your home. Here’s what we recommend to our clients at Ron’s Painting…

We use a bleach mixture before we do anything else. We will spray the exterior of the home with bleach and let it soak in. Then, we’ll pressure clean the entire exterior. The bleach does a great job of killing mildew and mold.

You should definitely pressure clean your home  one year after your homes exterior has a fresh coat of paint,  and then once a year on a regular basis to keep mildew from growing. Don’t just focus on the walls, either. Your handrails and porch railings can gather mildew, too.  Make sure you hire a true professional that specializes in pressure cleaning and that used Chlorine (bleach) when  they pressure clean.  If your home is pressure cleaned and you do not use chlorine (bleach), you have just wasted your money, chlorine is the only solution that will kill the mold spores.

Repaint Your Home’s Exterior

Other contractors may paint over existing mildew, which is bad because it allows the growth to continue under the coat of paint and will cause the paint to peel off.

If this happens, there are two things you can do. The first is to strip the paint, remove the mildew with a bleach solution, then repaint. This can be expensive, especially if you have to strip the entire exterior. The second solution is to clean the home with bleach and water, rinse with fresh water, then paint over the existing paint job. This is the least-expensive way to deal with a mildew problem, but you are also painting over the original mildew growing under the paint, which at some point will loosen the existing coating and the paint will eventually come off.  Many times I will see black growing under paint on homes that have new pressure treated lumber.  The original painter painted the pressure treated lumber before they allowed the wood to thoroughly dry out and trapped the moisture in the wood, thus causing mold to grow under the paint.

Also always keep an eye out for mildew and mold growth on the interior of your home also,  It could mean there is water damage in your home, and that’s never a good thing.


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