Climate and Paint Selection

The climate in which you live and the effects of that climate on the paint you choose for the exterior of your home are both aspects that should be carefully considered when looking at paint options.

Nancy recently sent us an inquiry stating, “My husband and I are getting ready to paint the exterior of our home. Algae growth is an in issue in our location, so I would like to know if the color of paint can have an effect on growth of the algae. Also, is there any particular exterior paint that works well to keep algae growth down and what are your recommendations as to how often the exterior of the home should be pressure washed and which chemicals should work best, without harming the paint of the structure of the home?

I responded to Nancy and advised the following: Paint color does not affect algae growth. The sheen of the paint, however, will affect algae growth and that is the reason I recommend the use of a satin or gloss finish. Once I finish painting the exterior of a home for a client, I recommend they pressure clean the exterior of the home within 12 to 18 months after it has been painted and then once per year after that. I use a light chlorine and water combination solution to pressure clean and have found the chlorine is the only chemical that will truly kill the algae. I also highly recommend the use of a very high quality premium grade of paint for exterior painting, either Sherwin Williams Resilience and Duration or PPG Permanizer for the exterior of a home.

Climate will have an affect on the durability of any paint you select for the exterior of your home. We work with our clients to examine the environment and climate surrounding their homes and recommend what will work best for them as far as appearance, durability and cost-effectiveness.

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