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Concrete Dec 2018

CoatingsPro offers an in-depth look at coatings based on case studies, successful business operation, new products, industry news, and the safe and profitable use of coatings and equipment.

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SPONSORED CONTENT 20 CONCRETE COVERED DECEMBER 2018 COATINGSPROMAG.COM Concrete Proof continued from p. 16 Concrete Proof customers'' spaces stand out," said Raymond Hurley, vice president of ermal-Chem. "Our DecoEssence metallic epoxy system is a perfect fit for these situations, and it is still gaining in popularity. Contractors are really doing some amazing things with it by installing it using different techniques. We have install- ers who roll it out and leave it, blow it with a leaf blower, mix different colors, mist it with a solvent, or roll it with a spiked roller or loop roller. You name it and guys are trying it, and each will have its own unique look. We also have our DecoFinish line of gloss, satin, and matte finish urethanes as options for a finish coat." To further assist with this trend, ACI recently introduced a new decorative concrete flatwork certification to its list of certifications available to contractors. W hile they can be more expensive, polyurea and polyas- partic coatings — such as Rust-Oleum's Flex-Coat polyurea, the GP4850 polyaspartic coating from Sherwin-Williams, the POLY-I-GARD 295 aliphatic polyurea waterproofing membrane from Polycoat Products, and the EC-102 polyas- partic topcoat from Westcoat Specialty Coating Systems — are also making headway in the concrete market due to their superior physical properties. "You can do more with polyurea and polyaspartic from a creative standpoint," said Rust-Oleum's Stanley. "ose are easier to use with thinner film. ere's good UV [ultraviolet] stability, lower temperature application windows, and I view it as a lot more creative, artistic, and attractive floor- ing. If you want showroom quality, you can do it yourself with those." W hile these coatings may cost more up front than an epoxy or polyurethane, the manufacturers believe a higher initial investment could pay dividends for some clients. "You have to consider turnaround time," Stanley said. "If you put an epoxy floor down, you have to be off that floor for several days. If you're in a high-traffic or high-frequency area, you can turn that polyurea floor around in 24 hours to full traffic. When you consider the cost of being out of service, some of these newer technologies can really make a difference." "Polyaspartics give you similar benefits to polyurethanes, but with higher film builds and speeds," Ball added. "ey look like standard polyurethanes, but they give you longer working times without losing back-end cure times. ey've made the most headway in the last couple of years in terms of becom- ing a legitimate option for large floors. And because they're so popular, we've seen costs come down quite a bit. A few years ago, they were considerably more expensive." For now, polyaspartics are usually just used as a finish coat, with "epoxy or something else underneath " as primer and intermediate coats, Ball explained. "If we can build an entire system out of polyaspartic, it can return to service much more quickly," he said. "e challenge is that they set so quickly. We're currently looking at some hybrid systems to try to offset that." New regulations promoting lower-VOC coatings, such as updated U.S. Leadership in Energy and Environmental Design (LEED) building standards, are also helping to promote the use of polyureas and polyaspartics. "It's been two years now since LEED v4 came out, and that means different requirements and more push for greener technologies," said Ball. "In this ever-tightening regulatory world, with things like some of the newer technologies in polyureas and polyaspartics, you're getting in under 50 grams per liter [g/L]," Stanley added. "VOCs is probably the biggest driver for compliance." Certain jobs may have more specialized needs. For example, the Flowfresh SR system from Flowcrete (distrib- uted in the United States by Key Resin) is an antibacterial polyurethane concrete coating designed for food and bever- age area application. e coating contains natural quartz to provide a decorative and colored finish. Flowfresh SR is both slip- and chemical-resistant, meaning that natural acids and sugars from food, as well as the chemical cleaners used to clean them, will not affect the floor's finish. e Flowfresh range also contains Polygiene, an antibacterial additive that can kill up to 99.9 percent of bacteria coming into contact with the floor's surface. If a sealer is needed, the new WearCOAT 3020 from Coatings for Industry (CFI) offers a potential. It is a Concrete protection is important, but the aesthetics may also be, including for floors, according to Raymond Hurley, VP of Thermal-Chem. Polyureas and polyaspartics are also options for concrete substrates. Polycoat Products has POLY-I-GARD 295, an aliphatic polyurea waterproofing membrane, for example, to offer contractors.

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