Stone wool
Stone wool is a wholly natural material spun into wool from rock. Rockwool stone wool is a natural material formed from one of the earth's most abundant materials - volcanic diabase rock over 200 million years old. Rockwool uses diabase rock from the closest source. This reduces the transport compared to sourcing from further afield and lowers the overall carbon footprint of the Rockwool product.
The Rockwool process resembles the natural action of the volcano: stone wool is made by melting rock, limestone and recycled briquettes with other raw materials at 1500° C in a coke heated cupola furnace. The resultant liquid stone melt is spun into fibres. Binder and impregnating oil are added to make the material stable and water repellent. The stone wool is then heated to about 200° C in order to cure the binder and stabilize the material for final processing into a variety of products.
Environmental equipment - filters, pre-heaters, after-burners, and other cleaning and collection systems - makes the 'tamed volcano' an environmentally responsible process. Rockwool is sometimes referred to as stone wool and is part of the larger group of mineral wools.
Why Choose Rockwool Stone Wool
- Proven Performance: Rockwool Stone wool products have been proven in service for over 70 years. They provide effective protection and optimal performance for the lifetime of the installation.
- Sustainable: Independent assessment shows that Rockwool is among the most sustainable products available anywhere, offering environmental savings, energy reduction, sound insulation, and fire safety.
- Positive Carbon Footprint: Insulation is one of the few products where the more you consume, the less you pollute. Over its lifetime, Rockwool insulation saves more than 20,000 times the CO2 emitted during production.
- Long Lasting: Made by melting volcanic rock spun into fibres and bonded into slabs, pipe sections, or wired mats. Its natural, inorganic material ensures a long service life while maintaining thermal efficiency.
- Safe: Rockwool is non-combustible and does not emit toxic fumes in the event of a fire. It is safe to handle and confirmed by the latest safety regulations and tests.
- Effective: Global installations of Rockwool insulation save nearly 4000 million tonnes of CO2 in their lifetime. Insulating hot pipes and processes can be extremely profitable with significant annual ROI.