![]() ![]() Then they wash the painted panels, and use a colorimeter to measure the color of the paint on the rinsed areas. After it dries, they apply two lines of soils-coffee and a sootlike substance-and allow them to dry. We do this twice per paint sample and average the results.įor stain resistance, our testers apply paint to a plastic panel. Then we use a device called a colorimeter to measure how well the paint covers the black paint. ![]() The results show whether a paint hides well enough to not require a primer, and also how well it stands up to wear and tear.įor the coverage test, we apply one consistent coat to cardstock that has been painted black, and wait for it to dry. Using nontinted base paints (paint before color is added), we test how well each covers dark colors as well as resists stains. “If your walls are smooth and you’re putting a similar or darker color over light, one coat of self-priming paint that’s excellent at hiding will do the job.” “It might seem like it would save you money, but primers do not hide as well,” de Paz says. “And I would say that’s true whether there’s paint already on the walls or it’s new construction.”īut why not use an inexpensive primer plus one coat of good paint? ![]() “Self-priming paints have improved over the years to the point where you no longer need to prime,” says our paint expert, Rico de Paz. Most of the paints Consumer Reports buys and tests are self-priming, and we’ve found that they work well. “Contractors like to stick with what they know,” Zimmer says.Īs for the rest of us? We think you’re better off with the new approach. ![]()
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