Sign & Digital Graphics

April '20

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S D G M A G . C O M • A P R I L 2 0 2 0 • 3 9 down the wall, are not ideal. You hold the warranty in your hands, so use your expertise and knowledge, and let people know they can't do a freshly-painted wall, or a crumbling brick wall." Culverhouse says there are a few other surfaces customers have tried that prob- ably aren't suitable for wraps, but custom products have now been developed to address even cold-weather applications. "Rusting metal or sheet metal is not so good, and I've had people ask about tree bark, which—theoretically I guess you could do, but the wicking moisture would probably not work. Also, it's been hard for people in cold climates to try to do POP graphics on storefront win- dows in the middle of winter, as it flash- freezes the adhesive. But we have two Deep Temperature products that you can install in temperatures as low as 20 degrees, which have been good for labels and decals in frozen food factories or cold-weather applications in Canada and the northern U.S." As a result of product innovation, Orafol wraps now offer a five-year dura- bility standard, and many 3M products are eligible for the company's MCS war- ranty. Braswell says Arlon products are warrantied for a year but in his experi- ence, the products can easily last for a half decade or longer. "One of our customers did a 40,000-square-foot wall for Delta Airlines, and it was still in good condition five years later," he says. "They did a re- wrap job, and four years after that it still looks great. A lot of that is about proper installation, using silicon to seal the top edge, and finding a suitable, long-lasting laminate with more UV protection." When it comes to installation, indus- try experts say a clean, dry surface is criti- cal. When working on brick or stucco walls, Culverhouse suggests glassing the graphic, doing a smooth first installa- tion over the entire surface, with heat and roller processing afterwards to tuck it into gaps and imperfections in the material. And long before an installa- tion, think about the effects of sun and weather when printing with overlaps in mind. "On something like a very large out- door mural, I would include some sig- nificantly sized overlaps, not just a half inch to 1 ½ inches. On a big wall or a large-format job, an overlap of two-plus inches is critical," he adds. "When applying to windows it is common for installers to use wet instal- lation, so be sure to check the manufac- turer data sheet to ensure that is recom- mended," adds Daralyn Baldogo, senior marketing communication specialist with Avery Dennison. "Also be sure to follow the guidelines on the mix for application fluid." SDG Even sidewalks and pedestrian surfaces can be wrapped.

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