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,
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.