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About us

The ROCKWOOL Group is the world’s leading manufacturer of stone wool insulation. We offer a full range of high-performing and sustainable insulation products for the construction industry.

Our insulation products are based on innovative stone wool technology and today we are the world’s leading manufacturer of stone wool insulation. The ROCKWOOL group also includes a range of sister companies delivering specialist solutions for the horticultural, marine and offshore sectors.

Global presence

Our products are in demand across the world. We operate 27 factories in three continents (Europe, North America and Asia) and have a global network of sales offices, distributors and partners. The unique combination of outstanding fire, acoustic and thermal insulation properties, as well as highly recognised sustainability credentials, which we can substantiate through awards given by the Welsh Government. Our products have been installed in domestic, commercial and industrial buildings of all types, from prestige projects including London’s O2 Arena and Hong Kong Airport to family homes, local hospitals and schools.

ROCKWOOL Ltd. in the UK & Ireland

Our UK manufacturing plant near Bridgend in South Wales employs around 350 people producing ROCKWOOL stone wool on our state of the art line and packaging facility. Together with customer support, sales and marketing teams based in Hammersmith and Dublin, ROCKWOOL serves the whole of the UK and Ireland.

Our history

The company story stretches back for over a century, when the remarkable properties of stone wool were discovered in the early 1900s.

It all started in Hawaii, where the naturally-occurring wool-like material hung from trees near the active Kilauea volcano. When scientists found that it had exceptional fire protection and insulation qualities, work began on a manufacturing process to reproduce it commercially.

In 1937, Gustav Kahler brought the volcanic principle to Denmark and set up the first factory near Copenhagen, making building insulation that could cope with the tough Danish climate.

Having proved its success at home, the company began to expand abroad, first to Germany, and later throughout Europe and into international markets. Today, ROCKWOOL operates in more than 30 countries – with production in 14 territories from Canada in the West to Malaysia in the East.

The UK factory was built on a reclaimed industrial site in Bridgend, South Wales and opened in 1979. The plant expanded in 2009, opening a new production line, and now houses some of the most advanced stone wool manufacturing technology in the world.

Unique product benefits

Stone wool insulation is made from one of nature’s most abundant resources –volcanic rock. Not only is it a naturally renewable and sustainable material, it also boasts a unique combination of benefits and lays the foundation for our business. All our insulation products possess outstanding fire, acoustic and thermal insulation properties as well as a lifelong durability, making it the sustainable and cost-effective choice.

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