Your Ultimate Guide to Applying Elastomeric Paint

When you want a finished look for an outdoor project, paint is usually the go-to covering. If the surface you are covering is a water-bearing surface, or if it tends to flex a bit due to stress from winds, foot traffic, or snow load, then elastomeric paint is ideal. “Elastomeric” is defined as a substance that returns to its original shape and size after being stressed, stretched, or compressed. Elastomeric paints often rank higher over traditional oil or latex paints because of their durability and waterproofing qualities. Here are more tips on how to apply elastomeric paint!

The application process for elastomeric paint is no trade secret, but ideally, you should hire a professional. It does not require special brushes or rollers, but simply experience and working knowledge about the basics of applying the coating. Here are some tips on how to apply elastomeric paint!

Preparation

As with any other painting project, preparing the surface to accept and bond with the elastomeric coating is a crucial part of the application process. It is important to clean the area with a quality detergent that will not leave a film or cause the surface you are covering to peel. If necessary, scrape off the old paint or pressure wash before coating. Oxidized or badly peeling surfaces do not hold up well after painting, no matter how good your elastomeric coating is. Likewise, a badly prepared surface will show through in the end.

It is fairly simple to cover up small hairline cracks in stucco or masonry with elastomeric coatings. However, you should fill a crack that is any larger than 1/16″ with a compatible substance, such as mortar or patching cement. Larger cracks that are not expected to spread are bridged with fiber-reinforced tape.

Priming

Follow the manufacturer’s recommendations as to whether you need a primer. Unpainted block or stucco surfaces require different preparation as opposed to bare wood or previously painted surfaces. The elastomeric coating you choose needs to be specifically designed for the surface that requires painting. There are different formulations for different surfaces. Elastomeric coatings do not penetrate far below the surface of what you are painting, which makes the application of a good primer coat important.

Application

Again, reading and following the manufacturer’s instructions on the application is critical to the outcome of the job. Wet film thickness and dry film thickness are usually good indicators of the quality of your work. Following the recommended values of each item is important, as it can affect the performance and lifespan of the product. Multiple coats are a better choice over a single thick coat to ensure even coverage. Thick coats tend to sag and look lumpy.

Get to areas around pipes, windows, and electrical boxes with a brush. Use a thick nap roller in an overlapping ‘V’ pattern in the ‘field’ or large flat surfaces. You can use airless sprayers, but they require a lot more equipment, special-size spray tips, and more training than most DIY homeowners have.

Professional Painting Services

For professional assistance in applying elastomeric paint, contact us. At Ameriside, our experienced professionals can help with all of your elastomeric painting needs and more. Contact us today to start your project!

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