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What is Rockpanel cladding made from?

The core ingredient of Rockpanel facade cladding is a unique natural material: basalt. But what is basalt exactly? And why is it such a sustainable material?

What is basalt?

Basalt is a volcanic stone. To be precise: it’s solidified lava, which originates from volcanic eruptions. Our planet provides us with enormous quantities every year. To get an idea of how much basalt is being created: every year, the earth produces 38,000 times more basalt through volcanic activity than the ROCKWOOL Group, of which we are part, uses for the production of stone wool. (*Source)

That means basalt is not only a natural material, but also non-depletable. This makes it a responsible choice, as we’re not exhausting the earth’s valuable resources.

Production of basalt
0

The earth produces 38,000 times more basalt through volcanic activity than the ROCKWOOL Group, of which we are part, uses for the production of stone wool

High melting point
0

We bring together the basalt and recycled content and heat it to a temperature of 1500 °C, and then it’s melted and whipped around by a spinning machine. After the stone wool is done, we add a small amount of binder and press it into a high-density board.

Tracks, Rockdelta, vibration, structure protection, stone wool, stones, lapinus
Exploding Volcano
rock, stonewool, lava, volcano, stone, origin
Renovation and extension of the Betty-Greif school in Pfarrkirchen, Germany with Rockpanel Colours incl. ProtectPlus coating
Sale de Sports in Celles, Belgium cladded with Rockpanel Woods facade cladding
Tracks, Rockdelta, vibration, structure protection, stone wool, stones, lapinus
Exploding Volcano
rock, stonewool, lava, volcano, stone, origin
Renovation and extension of the Betty-Greif school in Pfarrkirchen, Germany with Rockpanel Colours incl. ProtectPlus coating
Sale de Sports in Celles, Belgium cladded with Rockpanel Woods facade cladding
Tracks, Rockdelta, vibration, structure protection, stone wool, stones, lapinus
Exploding Volcano
rock, stonewool, lava, volcano, stone, origin
Renovation and extension of the Betty-Greif school in Pfarrkirchen, Germany with Rockpanel Colours incl. ProtectPlus coating
Sale de Sports in Celles, Belgium cladded with Rockpanel Woods facade cladding
Stone wool, made from basalt, is the core material for our facade boards

Recycled content

Stone wool, made from basalt, is the core material for our facade boards. It’s made from a combination of basalt and recycled content from other industries – material that would otherwise end up as landfill.

But how do we turn these sustainable materials into solid, durable facade boards? The first step is to create the stone wool fibres. We bring together the basalt and recycled content and heat it to a temperature of 1,500°C, and then it’s melted and whipped around by a spinning machine. After the stone wool is done, we add a small amount of binder and press it into a high-density board. The base boards are then finished with a water-based decorative coating, and in some cases also the extra ProtectPlus coating.

What makes basalt so sustainable? Read more here.

Curious how this all works? Find out more about the production process of Rockpanel! 

 

 

Our sustainability report

Every single year, the ROCKWOOL Group continues to make progress towards our sustainability goals. Download our Sustainability Report to learn more about our progress, achievements and our new commitments.

Find out more!

Source

Calculation based on TW Dahl, et al. (2011), International Geology Review (Volume 53 Numbers 7–8, June–July 2011) ‘The human impact on natural rock reserves using basalt, anorthosite, and carbonates as raw materials in insulation products’.

Want to know more about Rockpanel? Just send us your question(s) below and we will get back to you asap!

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