ProRox® SL 940 NA
ProRox® SL 940 NA helps your operation improve energy efficiency and reduce noise. It’s a semi-rigid stone wool slab built for stability in high temperature settings delivering reliable insulation.
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Industry and product areas
- Energy & Manufacturing
- Industrial vessels
- Columns
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About ProRox® SL 940 NA
ProRox® SL 940NA is a semi-rigid stone wool board that offers reliable thermal and acoustic insulation for industrial settings. It withstands temperatures up to 1200°F with minimal shrinkage, ensuring stable performance on tank walls, columns, and vessels. With excellent fire resistance, this insulation supports energy efficiency and contributes to a safer, quieter environment. Choose ProRox SL 940NA for dependable, high-performance protection in demanding applications.
- Resists water absorption to deliver long-term durability
- Non-combustible and fire resistant
- Uniform appearance – easy to handle and cut-to-size on site
Application
Used for insulating tank walls, vessels, and columns, ProRox SL 940NA is ideal for high-temperature industrial applications that require stable, semi-rigid insulation in vertical and horizontal orientations.
Available dimensions
Standard dimensions for ProRox SL 940NA are 24"x48" or 36"x48" in thickness range from 1" to 6". Please check for local variations.
Certificates
UL Classified
UCL Listed
Why ProRox?
Energy‑efficient, fire‑safe insulation
Easy to install, durable and CUI‑mitigating
ProRox is easy to install, dimensionally stable, and sustainable, providing proven energy and CO₂ savings while minimizing the risk of corrosion under insulation. Choose ProRox for reliable, high-performance insulation you can trust.
Product properties
Our products are designed with your specifications in mind:
| Name | Unit | Test standard | Value |
|---|---|---|---|
| Maximum use temperature | °F | ASTM C447/C411 | 1200 |
| Nominal density | lb/ft3 | ASTM C167 | 6 |
| Water absorption | lb/ft² | EN 1609 | ≤0.2 |
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.
ProRox SL 940 NA
Download product datasheet in English
ProRox SL 940 NA
Download product datasheet in Spanish
ProRox SL 940 NA
Download product datasheet in French
ProRox® process manual
This is a comprehensive technical guide to our ProRox stone wool insulation.
Rockassist brochure
Discover our Rockassist calculation program - free of charge!
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.