SeaRox® LM 915 ALU
ROCKWOOL® SeaRox® LM 915 ALU flexible stone wool lamella mats offer high thermal and acoustic insulation of ducts, pipes, and tanks in marine applications.
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Industry and product areas
- Marine & Offshore
- Technical for piping and equipment
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- SeaRox®
About SeaRox® LM 915 ALU
Designed specifically for thermal and acoustic insulation of ventilation ducts, SeaRox LM 915 ALU lamella mats improve energy efficiency and noise control in marine and offshore environments. They are also suitable for insulating pipes and tanks up to 250 C. Non-combustible and fire resistant, the mats comprise stone wool insulation strips bonded to fibreglass-reinforced aluminium foil to provide a flexible and durable insulation solution that you can rely on to build with confidence.
- Resists water absorption to deliver long-term durability
- Non-combustible and fire resistant
- Easily conforms to irregular surfaces
Application
Use SeaRox LM 915 ALU stone wool lamella mats when you need to insulate ducts, pipes, or tanks to improve energy efficiency and noise control.
Available dimensions
Standard width for SeaRox LM 915 is 1000mm, in thicknesses 20-50mm. 20mm thickness mats are produced with 46 kg/m3 density.
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 | 42 |
| Water absorption | kg/m² | EN 1609 | ≤ 1 |
| Reaction to fire | IMO 2010 FTPC | Non-combustible Low flame-spread properties |
Downloads
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SeaRox LM 915 ALU
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.





