STOPAQ’s primary layers within a system consist of a fully amorphous, non-crosslinkable, non-polar polymer composition which is totally impermeable once applied. It is impenetrable to water, oxygen and bacteria, the elements that commonly cause corrosion. Unlike conventional coating types, the STOPAQ compound features a liquid-like behavior to flow across and ensure a full wetting of the entire surface of substrate. This behavior does not change with time meaning that internal stresses to do arise in STOPAQ ensures that it retains its corrosion preventative properties (i.e., no ageing). STOPAQ provides superior adhesive strength to any surface (steel pipe or existing coating) through a permanent molecular bonding with the substrate. With a glass transition temperature of -67°C, STOPAQ will flow and adhere even in the coldest working environments, and it will self-heal in case of minor damages.


STOPAQ manufactures and supplies worldwide a broad range of innovative patent defended corrosion prevention solutions. The corrosion prevention and sealant systems actively protect structural objects against the daily risk of corrosion. Due to its fluid-like nature and unique visco-elastic corrosion properties, the STOPAQ system will protect your valuable assets for life. STOPAQ systems seal, maintenance free, any substrate 100% from the ingress of water, oxygen, bacteria’s or AC/DC current. STOPAQ offers by far the most environmental friendly protection systems in the corrosion protective world. 100% stable, 100% self-healing and 100% adhesion guaranteed!


  • Impenetrable to water, oxygen and bacteria
  • Superior adhesion to Steel, and PE, PP, FBE coated surfaces
  • Minimal surface preparation requirements SA2,5, de-rusted steel,ST2 – ST3
  • No tools or special primers needed
  • Easy and safe to apply – no hazardous materials
  • Operating temperatures ranges from -40 ºC to 95 ºC (max. 120 ºC)
  • No cathodic disbondment, osmosis or MIC
  • Self-healing of minor damages
  • 30 year guarantee


  • Rehabilitation of pipelines
  • Fieldjoints
  • Valves under ground
  • Flanges above ground
  • Splashzone Piles
  • Utility Piping
  • Fittings & Bends
  • Low pressure leakrepair
  • Coating Repair
  • Rehabilitation of old bitumen pipelines
  • Condensating pipelines
  • Subsea coating repair
  • Casing endsealing
  • H-Beam coating
  • Risers
  • Storage tank coating
  • Pipe Supports (saddles)
  • Under & Over Insulation
  • Drinking Water Tanks
  • Ballast tank lining
  • Low & Medium Voltage Cable Connections
  • Oil well head protection
  • Manhole cover protection
  • Factory applied coating

Swellable Sealant

For more than 20 years, STOPAQ® has been the market leader in developing new applications for sealing and corrosion prevention meeting the most stringent safety and health requirements. Every day our people are developing and searching for new solutions using intelligent engineering from a total cost approach to ensure the end-user a safe and sound system. In many markets, from onshore pipelines, refineries to offshore platforms, subsea pipelines and civil structures, STOPAQ® solutions can be found making the impossible possible.

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