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SeaRox® SL 440

SeaRox® SL 440 high density stone wool slab for floating floors requiring load capacity, also it can easily be cut into lamellas for marine panels.

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  • Marine Equipment Directive Certification
  • MER Certification

Industry and product areas

  • Marine & Offshore
  • Outfitting
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  • SeaRox®

About SeaRox® SL 440

Floating floors reduce onboard noise and vibrations, so the insulation must combine load capacity with excellent acoustic, thermal and fire safe performance. SeaRox® SL 440 is a high density rigid stone wool slab engineered for floating floor constructions. Furthermore, the slabs are ideal for creating bespoke panels and panel systems. Neutral glass tissue facing is available upon request.

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

Application

Designed for floating floor constructions and panels in marine and offshore vessels. SL 440 slabs can be installed as part of the load bearing deck construction to deliver acoustic insulation as well as fire safety.

Available dimensions

Standard dimension for SeaRox SL 440 is 600x1000mm in thicknesses 50mm and 100mm. Please check for local variations.

Facing information

Neutral glass tissue (TN) facing is available upon request.

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
Compressive strength at 10% deformationkPaEN 826CS(10)30
Sound absorption (directly mounted)ISO 354t=50mm αw = 0,75
Reaction to fireIMO 2010 FTPCNon-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 SL 440

SeaRox SL 440

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.