SeaRox® WM 620
SeaRox WM 620 is designed for A-class fire rated constructions in marine and offshore. This durable stone wool mat protects bulkheads, decks, pipes, and penetrations—delivering safety, thermal and acoustic performance.
1/5
Industry and product areas
- Marine & Offshore
- Technical for piping and equipment
- Fire protection
- Explore by product range
- SeaRox®
About SeaRox® WM 620
Our WM 620 wired mats are designed to insulate pipes and penetrations in A-class steel bulkheads and decks. The mats deliver the high fire safety and excellent thermal and acoustic performance. SeaRox WM 620 mats are faced with galvanised wire netting, stitched on with galvanised wire, offering additional robustness to the construction. Reinforced aluminium foil facing is available 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
Application
SeaRox WM 620 wired mats are suitable for fire-rated A-class steel constructions and for use on high-temperature pipes to A-60 classification and for bulkhead and deck penetrations.
Available dimensions
Facing information
Certificates
Why SeaRox?
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.
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:
| Name | Unit | Test standard | Value |
|---|---|---|---|
| Nominal density | kg/m3 | EN 1602 | 90 |
| Water absorption | kg/m² | EN 1609 | ≤ 1 |
| Sound absorption (directly mounted) | ISO 354 | t=45 mm αw = 0,9 t=2x45 mm αw = 0,95 | |
| Reaction to fire | IMO 2010 FTPC | Non-combustible Low flame-spread properties Approved for A-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 620
Download product datasheet
SeaRox® marine and offshore manual
This is a comprehensive technical guide to our SeaRox stone wool insulation.
SeaRox facings brochure
Improve the performance and safety of your SeaRox insulation with specialist pre-applied facings
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.
Looking for answers?
If you have technical questions about products or need support for your projects, our technical experts are here to help you.