Welcome to Denso North America

Denso North America Inc. is a subsidiary of Winn & Coales International, a leading manufacturer of anti-corrosion coatings that include Protal liquid epoxies, Denso petrolatum tapes, mastics, primers, bitumen tapes, butyl tapes, hot applied tapes, and a full line of marine pile protection systems.  Winn & Coales was originally established as a business in London, England, in 1883, and the first petrolatum tape manufactured in the UK was Denso tape, manufactured under license by Winn & Coales (Denso) Limited.  Denso tape was developed over 80 years ago for the "Long Life Protection" of buried steel pipelines against corrosion.  The Denso SeaShield Marine Systems include fiberglass forms, epoxy grouts, underwater epoxies, injectable epoxies, petrolatum tape wrap systems and much more.

What's New

Denso Announces a New Tank Base Protection System

Denso Tank Base Protection System

Denso has announced the release of their Tank Base Protection System.  Storage tanks have a major problem with corrosion that occurs around the tank base.

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