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SeaRox® WM 660

SeaRox® WM 660 stone wool wired insulation mats provide maximum fire protection in marine and offshore environments.

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  • Marine Equipment Directive Certification
  • MER Certification

Industry and product areas

  • Marine & Offshore
  • Fire protection
  • Explore by product range
  • SeaRox®

About SeaRox® WM 660

ROCKWOOL SeaRox WM 660 stone wool wired insulation mats have been developed to offer H-rated (hydrocarbon) fire protection for marine bulkheads and firewalls in dedicated tested solutions. Ensure compliance for tested solutions using these non-combustible, firesafe wired mats. Can be supplied with reinforced aluminium foil (ALU) facings on request.

  • Resists water absorption to deliver long-term durability
  • Tailored for fire-rated constructions
  • Excellent acoustic performance for noise control
  • Easily conforms to irregular surfaces
  • Uniform appearance – easy to handle and cut-to-size on site

Application

Use SeaRox WM 660 to provide firesafe insulation of bulkheads and firewalls in H-rated marine constructions in dedicated tested solutions.

Available dimensions

Standard width for SeaRox WM 660 is 500mm, in thickness 45mm. Please check for local variations.

Facing information

Reinforced aluminum foil (ALU) available on request. Recommended maximum temperature for facings is 80°C.

Why SeaRox?

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SeaRox® marine insulation - Fire safe and thermally efficient

SeaRox® insulation is engineered for the demanding needs of shipbuilding and offshore industries. Its high-quality stone wool provides superior fire protection, excellent acoustic and thermal performance, and long-term durability — all designed to keep people and assets safer at sea.

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Tailored solutions — lightweight to standard

Whether you need lightweight or standard solutions, SeaRox® offers tailored products for every application and is delivered to the same exacting standards worldwide. The result: reliable performance that helps create safer, more comfortable onboard and offshore environments.

Product properties

Our products are designed with your specifications in mind:

NameUnitTest standardValue
Nominal densitykg/m3EN 1602150
Water absorptionkg/m²EN 1609≤ 1
Sound absorption (directly mounted)ISO 354αw = 0,9 t=2x50 mm
Reaction to fireIMO 2010 FTPCNon-combustible
Low flame-Spread Properties
Approved for H-class constructions

Downloads

Our goal is to help you quickly find the documentation you need. If you’re unable to locate specific information, please reach out - we’re here to support you.

SeaRox WM 660

SeaRox WM 660

Download product datasheet

SeaRox® marine and offshore manual

SeaRox® marine and offshore manual

This is a comprehensive technical guide to our SeaRox stone wool insulation.

SeaRox facings brochure

SeaRox facings brochure

Improve the performance and safety of your SeaRox insulation with specialist pre-applied facings

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Online tools

We provide a wide range of free tools to support your work - from online calculators for energy and heat‑loss assessments to a comprehensive online pricing tool Rockprice. Whether you are just starting your project or require technical guidance along the way, we are here to assist you at every stage.

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Looking for answers?

If you have technical questions about products or need support for your projects, our technical experts are here to help you.