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ContraBlast®
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Sizeable underdeck protection requirement? Capacity is no issue for AIS
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AIS is a global leader in the engineering, manufacture and application of insulation and passive fire protection systems, as well as buoyancy and SURF (subsea, umbilicals, risers and flowlines) products.
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ContraBlast®

Reduce weight without compromising blast and fire protection

ContraBlast® provides lightweight, integrated blast, fire and thermal protection for critical areas across offshore, onshore, LNG and petrochemical facilities. Designed as a modular alternative to traditional steel walls, the system can significantly reduce structural weight while providing up to 1.5 bar blast protection and H120/J120 fire protection.

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ContraBlast®
Benefits

Protect critical areas without the weight of traditional blast walls

ContraBlast® combines blast, fire and thermal protection in a lightweight modular system. Whilst delivering significant weight savings, it helps protect people, equipment and critical infrastructure while reducing installation complexity and space requirements.

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£100,000 saving per tonne of topside weight
ContraBlast® uses a unique phenolic syntactic foam structure that offers a lightweight, space-saving alternative to traditional steel fire and blast wall systems, saving up to 60% in topside weight.
Up to 1.5 bar maximum peak overpressure
The ContraBlast® system comprises a suite of panels with optimised thickness and edge support for a range of blast overpressures. The lightweight system offers 1 bar and the standard offers 1.5 bar.
120 minutes Hydrocarbon pool fire rated
ContraBlast® is certified by DNV and BV as providing J120 and H120 protection in a prefabricated panel from either side, unlike a steel blastwall, which requires PFP to be applied once in situ.

Specifications

  • IMO 2010 FTP Code Part 3 - IMO Resolution MSC 307(88), under a hydrocarbon HC fire curve according to EN 1363-2:1999
  • ISO 22899-1:2009 - Determination of resistance to jet fires of passive fire protection materials
  • ContraFlame® MS400 foam (at the ContraBlast® panel core) has also passed HHF jet fire scenarios for 60 minutes duration
  • ISO 20340 - Accelerated ageing and weathering of the D2004 laminate system which meets the performance requirements of NORSOK M501 edition 6th Feb 2012 system one.

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Applications

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  • Offshore platforms and topsides
    • Protects living quarters, utilities and process modules from blast and fire
  • LNG and petrochemical facilities
    • Provides lightweight protection around high-risk processing and storage areas
  • Blast and firewalls
    • Creates protective barriers around critical equipment, personnel and infrastructure
  • Control rooms and living quarters
    • Provides separation from potential blast, fire and gas hazards
  • Storage tanks and loading areas
    • Protects critical infrastructure from fire and cryogenic spill hazards
  • Marine and defence applications
    • Provides lightweight fire and blast protection where weight and space are critical considerations.
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AIS receives its seventh King’s Award for Enterprise
The award for innovation was for our cable protection system, NjordGuard.
Offshore wind
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October 23, 2026
The new AIS website is now live
With a fresh look and simple navigation, we are pleased to announce that the new AIS website is now live.
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October 1, 2026
AIS completes acquisition of Matrix Composites & Engineering
Marking the next phase of its growth strategy, AIS is delighted to announce that it has received all necessary approvals and completed the acquisition of Matrix Composites & Engineering, a leading Australian provider of advanced composite materials and subsea engineering solutions.
Subsea
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July 23, 2026
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