The Challenge

Ageing infrastructure, tight budgets, and 24/7 service demands mean assets must be restored in place, quickly, without taking essential systems offline. Water and wastewater assets deteriorate from every direction — abrasive grit, corrosive effluent, and aggressive hydrogen-sulphide attack that eats concrete and steel alike.

Clean- and dirty-water pumps, rising mains, valves, penstocks, wet wells, screening equipment, and vast amounts of concrete infrastructure suffer erosion, corrosion, and microbially induced (H₂S) attack. Concrete in sewers and treatment works can degrade alarmingly fast where sulphide conditions develop.

Belzona provides erosion- and chemical-resistant coatings, metal repair composites, and concrete repair and lining systems engineered for water and wastewater service — including protection against H₂S attack. Rumford Industrial Group applies them in situ to extend the life of critical infrastructure.

Belzona Solutions for Water & Wastewater
Repair and Efficiency Enhancement of Fluid Management Systems
Pumps, pipes, and valves suffer erosion, corrosion, and chemical attack from continuous fluid handling, requiring solvent-free epoxy repair materials and coatings that restore original profiles while improving operating efficiency.
Concrete Repair and Chemical Protection of Tanks & Containment
Settlement tanks, clarifier troughs, and secondary containment face concrete spalling, hydrogen sulphide attack, and chemical exposure from acids and alkalis, requiring high-strength concrete repair materials and chemical-resistant coatings for long-term protection.
Leak Sealing
Expansion joints, live leaks, and damaged pipework risk costly downtime and environmental exposure, requiring in-situ elastomer and epoxy sealing systems that restore integrity without welding or specialist tools.
Repair and Protection of Mechanically Damaged Equipment
Shafts, grit separators, and augers wear from continuous operation and abrasive exposure, requiring in-situ epoxy repair and erosion-resistant coatings that extend asset life without disassembly.
Common Asset Areas
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Valves, Pipes, & Fittings
Pipes, valves, and fluid flow equipment suffer erosion, corrosion, and chemical attack from continuous wastewater handling, requiring solvent-free epoxy repair materials and protective coatings that restore original profiles. Learn More →
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Pumps
Pumps degrade from erosion and corrosion during continuous fluid handling, requiring epoxy repair materials and coatings that restore original profiles and improve efficiency by up to 20% on units already in service. Learn More →
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Tanks & Chemical Containment
Settlement tanks, clarifier troughs, chemical storage tanks, and secondary containment suffer concrete spalling, hydrogen sulphide attack, and chemical exposure from acids and alkalis, requiring high-strength concrete repair materials and chemical-resistant coatings. Learn More →
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Gaskets, Seals and Shims
Expansion joints on tanks and clarifiers deteriorate under constant movement and exposure, requiring in-situ elastomer sealing that restores integrity without specialist tools. Learn More →
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Mechanical Power Transmission
Shafts wear from continuous operation, requiring in-situ epoxy repair that avoids disassembly and minimizes costly downtime. Learn More →
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Solids Handling Machinery
Grit separators and augers face erosion and abrasion from continuous solids handling, requiring epoxy coatings that extend asset life without replacement. Learn More →
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Walls
Concrete walls of secondary containment areas suffer chemical attack from acids and alkalis along with spalling and wear from constant exposure, requiring resurfacing materials and chemical-resistant coatings for long-term protection. Learn More →
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Floors
Concrete floors of settlement tanks, clarifiers, and secondary containment suffer spalling, hydrogen sulphide attack, and heavy load wear, requiring high-strength repair materials that bond strongly to existing concrete. Learn More →
Water & Wastewater Equipment We Repair & Protect
Specific assets we service across water and wastewater treatment.
Equipment We Service
  • Pipes
  • Valves
  • Flanges and joints
  • Fluid flow equipment
  • Pumps
  • Settlement tanks
  • Clarifier troughs
  • Primary settlement tanks
  • Chemical storage tanks
  • Secondary containment
  • Sludge dump trucks
  • Expansion joints (tanks and clarifiers)
  • Shafts
  • Grit separators
  • Augers
  • Secondary containment walls
  • Secondary containment floors
  • Settlement tank floors
  • Clarifier floors
Proven Track Record
100-Year-Old Riveted Pipe Before
The Problem
100-Year-Old Riveted Pipe

A roughly 6 ft diameter riveted steel water main, a century old and 20 ft underground, was losing wall thickness and weeping at rivets and laps.

  • ReplacementNot Feasible
  • AccessUnderground
  • Shutdown AllowedNone
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Rebuilt In Place — Belzona After — Belzona
The Solution
Rebuilt In Place — Belzona

Rivets and laps coated, then over-wrapped with Belzona SuperWrap to ISO 24817 — repaired live, with the city water supply never shut off.

  • Repair Scope20 ft × 6 ft dia
  • Time to Complete1 Week
  • DowntimeZero
Replacement wasn't possible and the city water supply couldn't be shut off — repaired live, in place.
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Municipal water pump casing with severe full-body corrosionBefore
The Problem
Pump Headed for the Scrapyard

Severe full-body corrosion, a badly eroded cutwater, a damaged wear-ring seat, and flange damage.

  • CorrosionFull Body
  • CutwaterBadly Eroded
  • Wear-Ring SeatDamaged
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Pump casing rebuilt with Belzona 1111 and coated with Belzona 1341After — Belzona
The Solution
Rebuilt & Coated

All four problem areas rebuilt with Belzona 1111 (Super Metal), then coated with Belzona 1341 (Supermetalglide).

  • Electrical use~5% lower
  • Potable waterNSF/ANSI 61
Asset saved from scrap · returned to service
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