About three years ago, the idea of painting vinyl siding was a recipe for disaster. Things are different now thanks to the advancements in paint characteristics to accommodate the expansion and contraction of vinyl siding with temperature fluctuations. I have seen many types of vinyl siding over the years and even the high quality siding eventually fades and needs to be replaced or repainted.
Many types of siding will last over 10 years before it needs to be repainted. Before painting vinyl was an option, the vinyl siding was simply replaced. This was also a really expensive option considering the huge markup in contracted labor because the siding itself wasn't really all that expensive.
It's great that we have much better options now. There are many types of paints like Sherwin Williams brand "Duration" acrylic latex exterior paint. I love this stuff because it expands in the hottest summer months and contracts in the coldest winter months along with the vinyl it is painted on.
The most important thing about painting vinyl siding is to make sure that the surface of the vinyl is completely clean, dry and dust-free. There are a few different ways to clean vinyl siding, but I prefer using a scrubbing brush and dish detergent. As a pre-wash, I will connect the garden hose to a hot water spigot and use vinyl siding cleaner that connects to the other end of the hose and you just spray the cleaning solution on with the hot water from the garden hose. I will then drag out the bucket and scrubbing brush. This is the best way to get it completely clean.
Some people prefer to use power washers. If you want to use a pressure sprayer, be sure that you spray in a downward direction. Spraying upward from the ground will fill the weep holes in the siding full of water taking several days to dry and it will leave dirty water trails running down the siding. Siding is made to shed water in a downward direction. As long as you remember that, you'll be just fine.
Once the siding is completely clean and dry, you can apply the paint. Most types of vinyl siding paint have to be applied in temperatures above 40 degrees Fahrenheit and less than 90 degrees Fahrenheit. They also need at least two days of warm temperatures to dry thoroughly.
You can apply the paint with a sprayer, roller, or a brush. It doesn't matter. The paint will go on smooth because of the surface of the vinyl. Two coats are desirable but not completely necessary. One point to remember is that you will be applying the paint when the vinyl is fully expanded. That means that when it contracts in colder temperatures, it will leave unpainted strips at every seam. That's why it's important to lift each seam and paint under it about one inch under the overlap seam.
Allow the paint to dry for about two days before touching it. It's best to avoid extremely hot temperatures when applying the paint. If all these tips are followed, your vinyl siding paint project should yield great results.
http://www.make-my-own-house.com/how-to-paint-vinyl-siding.html
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