Granger’s, established in 1937, is the oldest company specializing in waterproofing treatments for fabrics and leather. In fact, a Granger’s waterproofing product was on the tent that Sir Edmund Hillary used on the first successful expedition to Mt. Everest over 50 years ago. In 1950, Granger's became the first company to produce environment-friendly water-based waterproofing. Granger’s heritage of producing high performance treatments continues to this day.
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