ProRox® SL 540 NA
ProRox® SL 540NA is a rigid stone wool insulation slab engineered for strong thermal performance and dimensional stability. It’s built to withstand high temperatures and mechanical stress, ensuring consistent protection for industrial equipment.
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Industry and product areas
- Energy & Manufacturing
- Columns
- Storage tanks
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About ProRox® SL 540 NA
ProRox SL 540NA is a rigid stone wool insulation slab developed to meet the thermal, mechanical, and fire safety demands of industrial environments. With excellent compressive strength and low thermal conductivity, it supports effective energy conservation while resisting deformation under light mechanical loads. ProRox SL 540NA performs consistently at temperatures up to 1200°F, with minimal shrinkage and strong dimensional stability. Non-combustible and tested to comply with ASTM C612 Type IVB.
- 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
ProRox® SL 540NA is ideal for high-temperature applications that also need to withstand light mechanical loads, such as the surfaces of tanks or columns.
Available dimensions
Standard dimension for ProRox SL 540NA is 24"x48" in the thickness range from 1" to 4". 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 | 10 |
Downloads
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ProRox SL 540 NA
Download product datasheet in English
ProRox SL 540 NA
Download product datasheet in French
ProRox® process manual
This is a comprehensive technical guide to our ProRox stone wool insulation.
Rockassist brochure
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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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