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ProRox® SL 590 NA

ProRox® SL 590 NA is a high-performance stone wool insulation that provides excellent thermal resistance, compressive strength, and moisture resistance. It is a highly reliable insulation surface that is able to handle foot trafic and pressure.

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  • UL Classified
  • UCL Listed

Industry and product areas

  • Energy & Manufacturing
  • Storage tanks
  • Explore by product range
  • ProRox®

About ProRox® SL 590 NA

ProRox SL 590NA is a pressure-resistant rigid stone wool insulation slab designed to help your operation manage thermal loss on surfaces exposed to heavy mechanical loads. Ideal for insulating structural surfaces subject to foot traffic or pressure, it offers exceptional compressive strength and thermal performance. With low water absorption and high dimensional stability, ProRox SL 590NA withstands demanding industrial conditions without compromising efficiency. Compliant with ASTM C612 Type IVA.

  • 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

Ideal for applications where insulation will be subjected to heavy mechanical loads or frequent foot traffic, such as the tops of tanks or vessel heads.

Available dimensions

Standard dimension for ProRox SL 590NA is 24"x48" in the thickness range from 2" to 3". Please check for local variations.

Certificates

  • UL Classified
  • UCL Listed

Why ProRox?

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Energy‑efficient, fire‑safe insulation

ProRox® delivers energy-efficient, fire-safe insulation for energy and manufacturing, supporting corrosion mitigation in demanding environments. The robust stone wool construction ensures complete protection when it comes to heat and fire, meeting all industry standards and offering long-term durability.
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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:

NameUnitTest standardValue
Maximum use temperature°FASTM C447/C4111200
Nominal densitylb/ft3ASTM C16715

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 590 NA

ProRox SL 590 NA

Download product datasheet in English

ProRox SL 590 NA

ProRox SL 590 NA

Download product datasheet in French

ProRox® process manual

ProRox® process manual

This is a comprehensive technical guide to our ProRox stone wool insulation.

Rockassist brochure

Rockassist brochure

Discover our Rockassist calculation program - free of charge!

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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.