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Utility Week Live

Winn & Coales (Denso)

Stand: G4
  • | Asset Management
  • | Sustainability
  • | Water – Utility
  • | Energy flexibility

Established in 1883, Winn & Coales (Denso) Ltd offer an effective solution to corrosion prevention, sealing and waterproofing problems for buried, submerged or exposed steel or concrete, pipes, jetty piles, tanks and structures.

Visit our stand to find out how we are helping Water Utilities to reduce the amount of leakage from their distribution systems. Leaks can occur for lots of reasons, but one of the most common is corrosion.

New pipe lengths are usually supplied with a factory-applied corrosion prevention coating, but this can easily become damaged and most pipe couplings require nuts and bolts to fasten them, which are extremely vulnerable to corrosion. To remedy this, the P1 and P2 Civil Engineering Specifications for the Water Industry (7th Edition) were issued which cover the protection of ferrous pipes, joints and fittings using anti-corrosion and sealing materials prior to burial.

Winn & Coales (Denso) Ltd have manufactured and supplied P1 and P2 corrosion prevention systems for many years. At Denso, we offer free product application training, either on site or at our training centre in London. Speak to one of our representatives for more information.







Denso House
Chapel Road
SE27 0TR
United Kingdom
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  • Denso™ Petrolatum Tape systems provide optimum surface tolerant coating properties and are capable of providing totally effective long-term corrosion prevention.
  • Denso™ Bitumen and Butyl Tapes are high-performance adhesive tapes for corrosion prevention on above and below ground pipelines, weld joints, fittings and fabrications. 
  • Denso Steelcoat™ Systems provide a cost-effective, long-term solution to corrosion on exposed steel, including pipebridges.
  • The bases of aboveground storage tanks present highly corrosive conditions due to the accumulation of atmospherically deposited salt particles transported by rainwater or moisture run off from the ext ...
  • Protal 7300™: a VOC free, 100% solids epoxy coating specially formulated to coat dry, damp or wet surfaces.
  • A high quality range of butyl rubber and hot melt heat shrink sleeves for the protection of welded pipe joints and the repair of damaged factory coatings in pipeline construction.
  • Winn & Coales (Denso) Ltd manufacture self-supporting moulding compounds for irregular surfaces, such as flanges and couplings.


  • Application procedure for the Denso P1 System™.
  • Application of the Denso P2 System™.


  • An overview of the many corrosion prevention and sealing technology products and systems that Winn & Coales (Denso) Ltd offer.
  • An overview of the products and systems available from Winn & Coales (Denso) Ltd for long term corrosion prevention on steel pipelines, fittings and specials.
  • An introduction to Denso's range of petrolatum tape systems, including their benefits and vast array of uses and applications.
  • An overview of Winn & Coales' range of Steelcoat™ systems for the effective protection of exposed and aboveground steel pipework and structures.
  • An overview of the components and application procedure for the Steelcoat™ Tank Base Protection system, which offers effective corrosion management for aboveground storage tanks.
  • Winn & Coales (Denso) Ltd's range of self-repairing, heat shrinkable sleeves.
  • A VOC free, 100% solids epoxy coating specially formulated to coat dry, damp or wet surfaces in either above ground or buried locations.
  • A product brochure for Densoseal 16A™: a firm, fibrous mastic for the sealing of service entries and ducts.
  • An overview of the features and applications of Densostrip™: a pre-formed bituminous sealing strip for the used to provide optimal sealing of precast concrete units.
  • An overview of the bituminous tapes and primers Winn & Coales (Denso) Ltd offer for the effective sealing and waterproofing of road surfaces and pavements.
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