NORSOK Approved Paints

NORSOK Approved Paints

NORSOK is a standard that provides stringent requirements for coating materials, surface preparation, application procedures, and inspection, particularly in the offshore industry. This standard is essential for ensuring the durability and longevity of coating systems used on structural steel, insulated surfaces, and other critical equipment. By adhering to the NORSOK standard, customers can achieve a high-quality coating system that meets their specific needs and requirements. The standard is applicable to various applications, including the construction and installation of offshore facilities such as crane booms, flare booms, and vessels. Following NORSOK guidelines ensures that coatings perform reliably under harsh marine conditions, providing long-term protection and reducing maintenance costs.

 

Download the manufacturer specifications for NORSOK M-501 certified systems below:

 

Carboline | Hempel | International Paints | Jotun | PPG | Sherwin Williams
Guide To Working In Confined Spaces

  • Sherwin Williams Acrolon 1850 Acrylic Epoxy Finish
    A two pack isocyanate free finish based on an acrylic epoxy binder system. NORSOK M501 Rev 6 System 1.
    From £151.52
    (£181.82 Inc VAT)
  • Sherwin Williams Acrolon 7300 Acrylic Finish
    Fast-drying, high-gloss PU for long-term exterior gloss and colour retention.
    From £115.78
    (£138.94 Inc VAT)
  • Sherwin Williams Dura-Plate UHS Epoxy Tank Lining
    A rapid return to service, high build, edge retentive tank lining for prepared steel or concrete surfaces industrial and marine exposures.
    From £451.41
    (£541.69 Inc VAT)
  • Sherwin Williams Macropoxy C123 - Formerly Leighs Epigrip C123
    High solids epoxy with glass flakes and anti-corrosives for steel protection.
    From £118.00
    (£141.60 Inc VAT)
  • Sherwin Williams Epidek M153 - Formerly Leighs
    A hard wearing, anti slip extra heavy duty deck coating system. NORSOK M-501 and BS.476 Part 7: Surface spread of flames
    From £301.84
    (£362.21 Inc VAT)
  • Sherwin Williams Epidek M339 - Formerly Leighs
    A 3 pack epoxy high build anti slip deck coating, approved for MoD. UK MoD/DRA (Ministry of Defence) to DEF STAN 80 -134.
    From £248.45
    (£298.14 Inc VAT)
  • Sherwin Williams Macropoxy C425V2 - Formerly Leighs Epigrip
    A high build, 2 pack epoxy, zinc phosphate primer / buildcoat for the anti corrosive protection of steel.
    From £105.76
    (£126.91 Inc VAT)
  • Sherwin Williams Macropoxy K267 MIO - Formerly Leighs Transgard TG121 Macropoxy 1210
    Transgard TG121/Epigrip K267 2 pack epoxy high solids MIO Highway Agency No.121. N9/038.
    From £103.32
    (£123.98 Inc VAT)
  • Sherwin Williams Epo-Phen FF Epoxy Phenolic Coating
    A flake filled MIO amine cured epoxy phenolic novolac For use under thermal insulation at elevated or cryogenic temperatures.
    From £157.58
    (£189.10 Inc VAT)
  • Sherwin Williams Macropoxy L425 - Formerly Leighs Epigrip
    A 2 pack epoxy zinc phosphate primer suitable for the anti corrosive protection of carbon steel surfaces.
    From £138.46
    (£166.15 Inc VAT)
  • Sherwin Williams Firetex M90/02 Epoxy Intumescent
    Epoxy coating providing 4 hours of hydrocarbon fire protection on steel.
    From £712.10
    (£854.52 Inc VAT)
  • Sherwin Williams Macropoxy L574 - Formerly Leighs Metagard
    Used as a temporary protective coating for steel surfaces prepared by abrasive blast cleaning.
    From £96.26
    (£115.51 Inc VAT)
  • Sherwin Williams Heat-Flex Hi-Temp 1200
    A 1 pack inert multipolymeric matrix coating that outperforms alternatives in combating CUI or in high heat applications.
    From £1,733.09
    (£2,079.71 Inc VAT)
  • Sherwin Williams Macropoxy M922 - Formerly Transgard TG123 Epigrip
    Epoxy with glass flakes for blast-cleaned and protected steel.
    From £153.58
    (£184.30 Inc VAT)
  • Sherwin Williams Macropoxy 267 - Formerly Leighs Epigrip C267V3
    A high solids 2 pack epoxy, pigmented with MIO (Micaceous Iron Oxide) certified under Highways Agency No112.
    From £95.14
    (£114.17 Inc VAT)
  • Sherwin Williams Macropoxy 400 - Formerly Leighs Epigrip C400V3
    A multi functional epoxy coating. For the protection of steelwork in environments C1 to C5.
    From £121.60
    (£145.92 Inc VAT)
  • Sherwin Williams Macropoxy M922M - Formerly Leighs Epigrip M922M
    A high solids, 2 pack epoxy brushing and spraying mastic, with micronised glass flake, aluminium and anti corrosives.
    From £151.37
    (£181.64 Inc VAT)
  • Sherwin Williams Macropoxy 646 Epoxy Primer Finish
    A versatile high performance polyamide cured epoxy, For new and exisiting steel.
    From £173.02
    (£207.62 Inc VAT)
  • Sherwin Williams Magnalux 41V2
    A glass flake vinyl ester acrylic co-polymer that is approved to NORSOK Rev 6 System 7A and 7B.
    From £663.43
    (£796.12 Inc VAT)
  • Sherwin Williams Nova-Plate UHS Epoxy Tank Lining
    An ultra high solids epoxy novolac amine engineered specifically for immersion service in storage tanks.
    From £526.76
    (£632.11 Inc VAT)
  • Sherwin Williams Sher-Cryl M770 - Formerly Leighs Envirogard
    A water based, quick drying gloss acrylic finish or sealercoat for Sherwin Williams FX Firetex intumescent product range.
    From £130.83
    (£157.00 Inc VAT)
  • Sherwin Williams Zinc Clad II EU Ethyl Zinc Silicate Primer
    A self curing solvent based zinc silicate coating for the protection of blast cleaned steel surfaces up to 400°C.
    From £198.94
    (£238.73 Inc VAT)
  • Sherwin Williams Zinc Clad IV EU Formerly M501
    An 2 pack epoxy zinc rich anti corrosive primer for the protection of steel surfaces.
    From £582.31
    (£698.77 Inc VAT)

23 Items

Rigorous Performance with NORSOK Approved Paints for Offshore Protection

Whether you're working with structural steel, crane booms, tanks, internal piping, or exposed equipment, our coatings are tested to deliver results under harsh environmental exposure — including splash zones, submerged areas, and ventilated areas with varying operating temperatures.

 

International Coating Systems for NORSOK Approved Paints

We stock a wide range of proven coating systems from leading brands, including:

All products meet or exceed the qualification criteria of NORSOK M-501, with full documentation available. These coating materials are developed for long-term use with low maintenance, even in aggressive offshore conditions.

Need a solution for a splash zone, submerged structure, or fire protection on insulated surfaces? Whether it’s for a NORSOK System 7B or another approved coating system, we’ll help you find the right specification for your asset.

 

Contact Us for NORSOK Approved Paints and Support

Working on a new installation, ongoing maintenance, or asset upgrade? Speak to our team for advice on NORSOK-compliant coating systems, product selection, and documentation. We support projects involving:

  • Offshore vessels

  • Oil & gas platforms

  • Coastal structures

  • Tanks and internal equipment

  • ISO and NORSOK-based compliance needs

We'll provide guidance on which systems to use, how to meet the requirements, and supply everything you need to complete your project — from surface preparation through to application and full technical inspection.

Talk to our experts or browse our certified range today — your coating system starts with the right materials and the right support.

 

 

FAQs

Q: What is the NORSOK coating standard?
A: NORSOK M‑501 defines the full process for applying protective coatings to steel structures offshore. It outlines the correct coating materials, application procedures, inspection, and surface preparation for long-term corrosion protection and structural performance.

 

Q: What are NORSOK standards?
A: The NORSOK standards were developed by Norway’s petroleum industry. They include M‑series (like M‑501 for coating systems and M‑630 for insulated surfaces and corrosion under insulation), and standards for fire protection, construction, safety and efficiency. They're designed to ensure durability and cost control in offshore environments.

 

Q: What paint contains isocyanate?
A: Many two-part polyurethane and acrylic-urethane coatings include isocyanate hardeners. These are often used in NORSOK-approved paints for their strong chemical resistance. Always check the product’s technical data and safety data sheet before application, especially in ventilated areas.

 

Q: What is NORSOK M630?
A: M630 relates to the selection and application of materials used in insulated surfaces, including handling corrosion under insulation (CUI). It’s often used alongside M501 when working with systems requiring both fire protection and thermal insulation. Refer to the latest edition of the NORSOK documents to confirm if it's applicable to your project.