Case Study: Polyurea Coating A Lifesaver to Resort Town
•Case Study: Polyurea Coating A Lifesaver to Resort Town
The tiny resort town of Ocean City, Maryland has 3,500 year-round residents. But, when tourist season arrives, the population can swell to 400,000 summer visitors who flock to the 10-mile stretch of the "best white-sand beaches on the East Coast" or come to fish in the "White Marlin Capital of the World."
While tourism is a boon to Ocean City, the huge influx of tourists puts a lot of stress and strain on the town's municipal water system. That situation has been exacerbated over the years by steadily deteriorating conditions at one of the town's three water treatment plants. Despite the city's diligent efforts, the results of repairs made to stop water seepage cracks from occurring in two potable water reinforced concrete tanks were short lived.
That's when Ocean City officials decided to try Sherwin-Williams EnviroLastic® Polyurea coating as a long-term solution for its concrete cracking problem. Because of its flexibility, polyurea is not affected by temperature extremes and is an excellent coating choice for lining potable concrete water tanks, compared to rigid traditional epoxy coatings, which tend to crack as the substrate expands and contracts.
Specifically, the EnviroLastic® AR 520 PW was developed for use in potable water applications and is certified to ANSI-NSF Standard 61. Because the lining system can be applied at temperatures ranging from minus 20º F to 250º F, Ocean City was able to complete the coating project in the off-season months of December and January, instead of the busy summer tourist season.
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•Case Study: Polyurea Coating A Lifesaver to Resort Town
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