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Common Commercial Paint Problems
And How to Fix Them

While big commercial jobs come with big revenue, more square footage means small problems can quickly become big problems. When challenges or questions arise, don’t overlook one key player who holds a treasure trove of knowledge: your paint rep.

 

Arek Anysz is a Regional Pro Sales Manager at Behr Paint Company, and he has worked with pros to solve just about every paint challenge in the book. I sat down with him to talk about three common challenges pro painters face on the commercial jobsite and how to fix them.

Dry Hide vs. Wet Hide

Hiding the surface or color underneath is one of the most important functions of paint. That’s why it’s important to know there are two different kinds of hide: dry hide and wet hide. Dry hide refers to the ability of a fully cured coating to hide the surface underneath, whereas wet hide measures how well a wet coating hides the surface underneath. Ultimately, a good dry hide is the true measure of success.

 

“We manufacture to have a better dry hide than a wet hide,” says Anysz, “meaning when the product is wet and still curing, it may not look uniform, but as it dries out, the moisture evaporates and all the solids tighten up and level out.”

 

If a painter is unfamiliar with the product, they may apply too many coats before the paint dries, thinking they need more coverage, which wastes both time and money. The important thing is to let it dry, then decide whether more coats are necessary.

 

Touch-Up

Once paint has dried, cured, and aged, it is notoriously challenging to touch up. “Touch-up is an art form in the paint industry,” says Anysz. Still, the ability to seamlessly touch up paint is a huge selling point, especially in the commercial space. With the right product and some practice, any pro can master their touch-up technique.

 

Anysz says there are a host of reasons that touch-ups fail. “I’ve seen scenarios that vary from simply not enough paint being applied to using the wrong application method.”

 

Mastering the perfect touch-up requires matching color, sheen, application tool, and application method, to name a few.

 

Most pros can match the color and sheen well, but many overlook matching the process and application method. 

 

Use the same tool that was used on the original finish. If you are touching up a wall that was originally rolled and you try to touch up by spraying, that will cause continuity problems. In this instance, back rolling will better achieve the right texture and sheen pattern. It’s also important to ensure you apply paint at the right mil thickness.

 

Because overworking the paint while it’s curing causes a host of finish problems, it’s important to get it right the first time. If you are new to touching up or you are using a new product, it’s worth a little extra time in the shop to dial in your plan and practice feathering and diluting the paint to get the perfect touch-up.

 

Temperature Changes

Every can of paint tells you the temperature range in which it can be applied successfully. Generally speaking, the range is from 35°F to 90°F. Applying paint outside of the recommended range stresses the paint and can lead to cosmetic issues or coating failure.

 

It’s critical to remember that the temperature guidelines apply to both ambient and substrate temperature. If it’s 70°F outside and you haven’t checked the substrate temperature, you may believe that you are well within range.

 

“If you are painting on the sunny side of the house at 2 p.m., the substrate can be over 100°F,” says Anysz. That high temperature on the substrate causes the paint to dry faster than it can level out, leading to flashing, or uneven sheen and visible lap marks.

 

 

 

The same idea applies when it’s cold outside. If the outside ambient temperature is 38°F and you are painting in the shade, the substrate may only be 28°F. That colder substrate temperature can lead to slower film formation, reduced water evaporation, or increased surface tension. All of these lead to white streakiness known as “surfactant leaching”.

 

Execution Matters

Painting in the commercial space can lead to much bigger jobs and higher revenue. Avoid costly mistakes by planning, testing, and utilizing your paint rep to ensure a successful finish.

 

To learn more about Behr’s commercial-grade products and jobsite solutions, contact your BEHR Pro Rep.

 

 

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