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Knauf Fiber Glass USA was formed in 1978 when the Knauf family purchased an existing plant in Shelbyville, Indiana.

Shelbyville Plant

In 1983, the Shelbyville plant doubles its capacity.

Lanett Plant USA

Knauf opens a second plant in Lanett, Alabama to produce light-density insulation.

Shelbyville Plant 2016

Knauf opens a third plant in Shelbyville, Indiana, to manufacture pipe insulation.

Additional Lanett Production Line 1995

An additional production line is added to the Lanett plant, doubling its capacity.


Knauf acquires the European activities of Owens Corning through a joint venture with Alcopor.

workers' jacket Knauf Insulation name tag Oosterhout

Early 2002, a new plant in Shasta Lake, California starts production of light-density insulation. End of 2002, Knauf obtains full ownership over Alcopor thereby acquiring the majority of Owens Corning’s European activities. Company is renamed ‘Knauf Insulation’.


 Knauf Fiber Glass USA becomes part of Knauf Insulation.

Surdulica Serbia Rock Mineral Wool Factory 2005 purchase

Mid 2005, Knauf Insulation purchases Vunizol, a Rock Mineral Wool factory in Surdulica (Serbia).

Heraklith® acquisition 2006

Early 2006, Knauf Insulation acquires Heraklith, a significant manufacturer of Rock Mineral Wool (6 plants) and Wood Wool (3 plants) and a major player in Central and Eastern Europe.

New Stupino Glass Mineral Wool Plant Russia 2007

Mid 2007, a new Glass Mineral Wool plant in Stupino (Russia) starts production. In September 2007, a new production line for Rock Mineral Wool manufacture opens in Surdulica.


In Shelbyville, four production lines are completely rebuilt and the capacity expansion finishes early 2008. Mid 2008, Knauf Insulation acquires Manson Insulation (Canada).

ECOSE® Technology binder

Beginning of 2009, capacity extension with new product line (L3) dedicated to binderless mineral wool in Skofja Loka (Slovenia). Mid 2009, Knauf Insulation’s revolutionary ECOSE® Technology binder is rolled out across all Glass Mineral Wool production. Capacity extension with new Rock Mineral Wool production line in St. Egidien (Germany) in August 2009. 

Lannemezan Glass Mineral Wool Plant France 2010

New Glass Mineral Wool plant in Lannemezan (France) starts up production.

Turkey Plant Eskisehir Knauf Insulation

Knauf Insulation acquires a Glass Mineral Wool plant in Eskisehir (Turkey) and another Glass Mineral Wool plant in Tyumen (Russia) to start  production in 2012. 

Vise Plant Largest Glass Wool Manufacturing Site Europe

Visé-based plant becomes the largest glass wool manufacturing site in Europe thanks to the capacity increase. 


Knauf Insulation acquires the glass wool business of SCHWENK Daemmtechnik GmbH & Co. Knauf Insulation signs the agreement with Exeed Industries LLC (Abu Dhabi UAE) to acquire a holding Exeed Insulation LLC operating as a joint venture under Knauf Insulation management. New Glass Mineral Wool plant in Tyumen (Russia) starts up production. 

Lanett Plant Reopening Alabama USA 2014

Knauf Insulation reopens its Lanett plant in Alabama (United States) 2014 Knauf Insulation completes acquisition of Guardian insulation. 


Thies Knauf takes over as CEO of Knauf Insulation.

Jean-Claude Carlin, CEO of Knauf Insulation

Jean-Claude Carlin appointed CEO of Knauf Insulation.

Dominique Bossan

Dominique Bossan appointed CEO of Knauf Insulation.