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

  • PPG SigmaFast 278
    A 2 pack high solids rapid drying zinc phosphate epoxy primer and build coat. Cures at low temperatures down to -5°C.
    From £60.88
    (£73.06 Inc VAT)
  • Jotun Hardtop AX
    A 2 pack chemically curing high gloss aliphatic acrylic polyurethane coating. Provides resistance to UV and chemicals.
    From £111.35
    (£133.62 Inc VAT)
  • Jotun Hardtop Optima
    A 2 pack polysiloxane topcoat with excellent gloss and colour retention. Network Rail / Highways No. 185.
    From £188.04
    (£225.65 Inc VAT)
  • Jotun Tankguard DW
    From £330.31
    (£396.37 Inc VAT)
  • PPG SigmaCover 410 MIO
    2 pack high solids, high build, polyamide cured epoxy for general purpose protection to steel and concrete structures.
    From £270.00
    (£324.00 Inc VAT)
  • PPG SigmaDur 520
    A 2 pack high build semigloss aliphatic acrylic polyurethane finish, Highways Approved Item No.169.
    From £76.00
    (£91.20 Inc VAT)
  • PPG PSX 700 Engineered Siloxane
    For steel from PPG Sigma, Ameron. Highways Approved Item No.185.
    From £307.50
    (£369.00 Inc VAT)
  • PPG SigmaGuard CSF 585
    WRAS Approved for drinking water. A two component solvent free amine cured epoxy coating.
    From £105.60
    (£126.72 Inc VAT)
  • PPG Phenguard Subsea 780 - Formerly SigmaLine 780
    A 2 pack amine adduct cured phenolic epoxy finish. A finish coat within a system for the protection of subsea equipment.
    From £105.40
    (£126.48 Inc VAT)
  • PPG SigmaShield 1200 Formerly Amercoat 340
    Formerly Amercoat 340. A two component, abrasion resistant, solvent free, amine cured, phenolic epoxy coating.
    From £624.00
    (£748.80 Inc VAT)
  • PPG SigmaTherm 230 Phenolic Epoxy
    From £381.00
    (£457.20 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 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 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 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)
  • Hempel Hempathane HS 55610
    From £63.60
    (£76.32 Inc VAT)
  • Hempel Hempadur 35560 - WRAS Approved
    Approved potable water, solvent-free, high-build, polyamine adduct cured epoxy paint.
    From £301.58
    (£361.90 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 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)
  • Jotun Jotamastic 87 Aluminium
    A 2 pack surface tolerant, long lasting corrosion protection for carbon steel and aged coatings found in severe environments.
    From £71.93
    (£86.32 Inc VAT)
  • Carboline Thermaline 440 Topcoat Finish Formerly 400 EU Topcoat
    Immersion grade coating for steel and stainless steel. Cures down to 5°C. Tintable to a huge range of RAL and BS shades.
    From £149.07
    (£178.88 Inc VAT)
  • Carboline Carbozinc 11
    Rapid / low temperature curing inorganic zinc product suitable for C3 - CX and immersion environments.
    From £124.73
    (£149.68 Inc VAT)
  • Hempel Hempadur Multi-Strength 35840
    A solvent free, self-primed, high build coating with good resistance to abrasion, seawater and fresh water. Meets requirements to NORSOK M-501 when used as part of a predefined paint system.
    From £319.60
    (£383.52 Inc VAT)
  • Hempel Hempadur Spray Guard 35493
    A heavy duty coating for steel and concrete exposed to severe corrosive conditions.
    From £186.15
    (£223.38 Inc VAT)
  • Hempel Sealer 05990
    A low viscosity, two pack epoxy varnish with good penetration properties.
    From £53.34
    (£64.01 Inc VAT)
  • Hempel Hempadur 15600
    An amine adduct curing pure epoxy coating with excellent adhesion to steel, resistance to crude oil and most refined oil products.
    From £271.66
    (£325.99 Inc VAT)
  • Hempel Hempadur Quattro XO 17820
    A pure epoxy, high volume solids primer with a high application flexibility. NORSOK approved.
    From £254.66
    (£305.59 Inc VAT)
  • Carboline Carbozinc 858
    A two component zinc filled, cross-linked epoxy primer by Carboline.
    From £190.58
    (£228.70 Inc VAT)

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.