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ROCKWOOL
ROCKWOOL · ProRox® slabs
ROCKWOOL ProRox® SL 540
ProRox SL 540 is a strong, rigid stone wool insulation slab (board).
- 0.04 W/m·K
- λ at 50 °C
- Euroclass A1
- Reaction to fire (EN 13501-1)
- ≤ 1 kg/m²
- Water absorption
Request a quotationData sheet (PDF) ↗
Supplied by World Steel with your steel building or on its own – one order, one shipment, one partner.
Overview
About ProRox® SL 540
ProRox SL 540 is a strong, rigid stone wool insulation slab (board).
Application: The slab (board) is suitable for the thermal and acoustic insulation of industrial applications subjected to mechanical loads, such as tank roofs.
Key benefits
- Excellent thermal and acoustic insulation
- Resistant to high temperatures
- Resistant to mechanical loads
World Steel · building envelope hub
How we use ProRox® SL 540 in steel buildings
For boilers, vessels, ducts and equipment in the plants we build, World Steel supplies ROCKWOOL ProRox® SL 540 with the steel structure – high-temperature insulation from the same partner as the steel.
- 01Specified with the structure – thickness, density and facing matched to the roof, wall and fire design.
- 02Quantities taken from the same 3D model as the steel, purlins and cladding.
- 03Packed and shipped with the steel package – one delivery schedule to site.
Applications
Where ProRox® SL 540 is used
- Industrial Insulation
Technical data
ProRox® SL 540 – technical properties
Thermal conductivity
| Property | Unit | Value |
|---|---|---|
| Thermal conductivity (50 °C) | W/m·K | 0.04 |
| Thermal conductivity (100 °C) | W/m·K | 0.05 |
| Thermal conductivity (150 °C) | W/m·K | 0.05 |
| Thermal conductivity (200 °C) | W/m·K | 0.06 |
| Thermal conductivity (250 °C) | W/m·K | 0.07 |
| Thermal conductivity (300 °C) | W/m·K | 0.08 |
Technical properties
| Property | Unit | Value |
|---|---|---|
| Reaction to fire | Euroclass | A1 |
| Water absorption | kg/m² | ≤ 1 |
| Moisture Absorption | % | 1 |
Values as published by the manufacturer for this market. Always check the current data sheet and the approvals required for your project before ordering. Manufacturer page ↗
Documents
Data sheets & documents
ROCKWOOL
ROCKWOOL
ROCKWOOL
ROCKWOOLFAQ
Frequently asked questions
Where are ProRox® slabs used?
On boilers, vessels, columns, ducts and other flat or large-radius industrial surfaces, including at high temperatures.
One partner for structure and envelope
Send us your drawings or bill of quantities – we quote the steel, insulation, boards and ceilings together and ship them as one package.