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Providing protection where you need it

Nucore Group offers a bespoke certified door service line including a range of associated products which ensure a fit-for-purpose environment, whether the requirements are for situations requiring temperature control (e.g. fireproof-rated doors) or pressure and climate control (e.g. operations or control rooms).

We can supply a range of fire rated doors and blast resistant doors from recognised manufacturers to the highest industry standards including A Class, B Class, H Class and J Class rated fire doors. The fire and blast doors are designed for offshore and marine application and are certified to industry standards (DNV, BV, Lloyds, USCG, MED) built to Norsok standards and fully supported by a team of engineers.

Nucore's complete door maintenance support services includes site surveys, ad hoc repairs, replacement door installation and planned maintenance routines.

Fire Rated & Blast Proof Doors

  • B15 internal doors, vision panels and kick-out panels
  • A0 – A60 fire doors
  • H0 – H120 fire and blast doors
  • J Class doors
  • Watertight doors
  • Escape hatches
  • Fire rated windows

Support Services

  • Annual door maintenance campaign
  • Integrity and inventory surveys
  • Onsite installation
  • Ad hoc repairs
  • Provision of genuine parts from manufactures

Certified Doors Offering

Offshore Assets

  • A Class, H Class and J Class for hazardous areas (zone 1 and zone 2)
  • Fully designed in accordance with NORSOK requirements
  • B Class internal doors
  • Escape hatches


  • Internal doors
  • Watertight doors
  • Quick turnaround and service delivery

Modular Cabins and Accommodation Units

  • Fire and blast rated doors
  • Escape hatches
  • Fire and blast rated windows


With the growing volume – and complexity – of ever-demanding governing legislation, customers rely on us to ensure systems meet requirements while providing a full product lifecycle. With compliance to DNV, Bureau Veritas, Lloyds, USCG, ABS, GOST and MED certification our customers can be sure that their fire and blast doors are manufactured to the highest standard.

With an ongoing commitment to health and safety, Nucore adhere to the principles of ISO 9001:2015, ISO 14001:2015, OHSAS 18001:2007, ISO/IEC 17020:2012 and IEC 80079-34.

Integrated Solutions

Design and Manufacture

Leveraging our integrated capabilities, Nucore Group provide turnkey solutions from system upgrades to large scale projects.


Operating in hazardous environments, Nucore Group’s engineers have an extensive track-record in installing and ensuring our customers systems are functioning correctly.

Inspection, Repair and Maintenance (IRM)

Nucore’s IRM services provide dedicated campaign maintenance, integrity management and system performance monitoring to avoid costly downtime or replacement of equipment.

Site Survey, Audit and Inspection

Nucore’s survey, audit and inspection services include performance assessments, technical reports, accurate performance monitoring, identifying remedial action, and enhancing continual system performance.

Product Spares & Equipment

Nucore Group partners with manufacturers to provide an extensive stock of spares and equipment for purchase. Contact us to find out more.

Why choose Nucore Group?

At Nucore Group, we understand the importance of combining global expertise with an extensive offering. With the ability to support our customers projects from design and commissioning to repair and maintenance, we will support your assets throughout their entire lifecycle.

  • New project

    From design to installation, we offer bespoke system design.

  • Retrofit

    We work with you to replace heritage systems or equipment.

  • Service and maintenance

    Our expert team is on hand to maintain and ensure longevity of equipment and systems.

Talk to Nucore Group to discuss your certified door requirements

Contact us today to find out how we can help.

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