Select Page

DeNso South Africa (Pty) Ltd

A member of Winn & Coales International


Leading the way in providing innovative corrosion preventative products and sealing membranes solutions across all industry sectors.


To deliver quality products coupled with exceptional service to our customers.


Deliver excellent Service Embrace and drive change Work hard and have fun Have empathy Pursue growth and learning Build open and honest relationships through communication Build a positive team and family spirited Be supportive, mindful and helpful Do more with less Be passionate and determined Be humble Be a doer

Our Story

Denso South Africa (Pty) Ltd specialise in the manufacture and supply of corrosion and chemical resistant coatings and linings for the long-term protection of steel and concrete, even in the toughest environments.

Quality and Innovation

The company is at the forefront of innovative corrosion prevention technology, focused upon developing an extensive range of bespoke solutions to meet the specific needs of different industries.

The full range of products are manufactured to comply with the strict quality standards of ISO 9001:2015 (quality management standard). The products are designed for longevity, with solutions that when applied correctly can offer up to 30 years of maintenance free service.”

Trusted Brands

Having grown from a small business founded in the City of London in 1883, Winn & Coales International Ltd has vast experience in solving corrosion and sealing problems, as well as an international reputation for supplying long lasting and reliable products.

Its trusted Denso™, Premier™, Protal™, Steelcoat™, SeaShield™, Archco™ and Premier Shrink Sleeve™ systems are supplied to the petrochemical, process, offshore, water, gas, telecoms, renewables, civil engineering and DIY industries internationally.


International Service

Subsidiary companies, located in the UK, USA, Canada, Australia and New Zealand, together with a network of agents, ensure that superior corrosion prevention products are available globally.

Our Timeline