SeaRox® SL 340 NA
SeaRox® SL 340 NA semi-rigid stone wool slabs provide easy-to-install sound absorption for decks and bulkheads, creating quieter onboard spaces onboard ships and offshore platforms. Available in North America only.
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Industry and product areas
- Marine & Offshore
- Sound reduction
- Explore by product range
- SeaRox®
About SeaRox® SL 340 NA
ROCKWOOL® SeaRox 340NA semi-rigid stone wool insulation slabs are engineered for efficient sound absorption in marine environments. Creating quieter spaces on ships and offshore platforms with the easy to handle and install insulation slabs. Build with confidence: rely on SeaRox 340NA insulation to deliver onboard acoustic comfort.
- Resists water absorption to deliver long-term durability
- Non-combustible and fire resistant
- Excellent acoustic performance for noise control
- Uniform appearance – easy to handle and cut-to-size on site
Application
Use ROCKWOOL SeaRox SL 340NA stone wool boards when you need USCG-approved acoustic insulation of bulkheads and decks to improve onboard comfort.
Available dimensions
Standard dimension for SeaRox SL 340NA is 24"x48" in the thickness 1.0".
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 | lb/ft3 | ASTM C167 | 5 |
| Water absorption | lb/ft² | EN 1609 | 0.2 |
| Sound absorption (directly mounted) | ISO 354 | αw = 0,9 t= 1” (50mm) αw = 0,95 t= 2x2” (101.6 mm) | |
| Reaction to fire | IMO 2010 FTPC | Non-combustible |
Downloads
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SeaRox SL 340 NA
Download product datasheet
SeaRox® marine and offshore manual
This is a comprehensive technical guide to our SeaRox stone wool insulation.
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.