Knauf Group is a multinational, family-owned company based in

Iphofen Iphofen is a town in the Kitzingen (district), district of Kitzingen in Bavaria, Germany. It has a population of around 4,500. Iphofen is known for its rare complete medieval town wall and other historic buildings as well as for being Franconia (wi ...

Germany Germany, officially the Federal Republic of Germany, is a country in Central Europe. It lies between the Baltic Sea and the North Sea to the north and the Alps to the south. Its sixteen States of Germany, constituent states have a total popu ...

, well known for drywall

gypsum Gypsum is a soft sulfate mineral composed of calcium sulfate Hydrate, dihydrate, with the chemical formula . It is widely mined and is used as a fertilizer and as the main constituent in many forms of plaster, drywall and blackboard or sidewalk ...

boards, founded in 1932. The company is a producer of

building materials Building material is material used for construction. Many naturally occurring substances, such as clay, rocks, sand, wood, and even twigs and leaves, have been used to construct buildings and other structures, like bridges. Apart from natur ...

and construction systems comprising construction materials for

drywall Drywall (also called plasterboard, dry lining, wallboard, sheet rock, gib board, gypsum board, buster board, turtles board, slap board, custard board, gypsum panel and gyprock) is a panel made of calcium sulfate dihydrate (gypsum), with or with ...

construction,

plasterboard Drywall (also called plasterboard, dry lining, wallboard, sheet rock, gib board, gypsum board, buster board, turtles board, slap board, custard board, gypsum panel and gyprock) is a panel made of calcium sulfate dihydrate (gypsum), with or witho ...

, cement boards, mineral fibre acoustic boards, dry mortars with gypsum for internal plaster and cement-based external plaster and

insulating materials This is a list of insulation materials used around the world. Typical R-values are given for various materials and structures as approximations based on the average of available figures and are sorted by lowest value.'' R-value at 1 m'' give ...

;

glass wool Glass wool is an Thermal insulation, insulating material made from glass fiber arranged using a Binder (material), binder into a texture similar to wool. The process traps many small pockets of air between the glass, and these small air pockets r ...

, stone wool and other insulation materials under the company Knauf Insulation. It has more than 150 production sites worldwide. It is one of the six producers which hold approximately 81% of the worldwide wallboard market ( Georgia Pacific, Knauf, Siniat, National Gypsum Company,

Saint-Gobain Compagnie de Saint-Gobain S.A. () is a French multinational corporation, founded in 1665 in Paris as the Manufacture royale de glaces de miroirs, and today headquartered on the outskirts of Paris, at La Défense and in Courbevoie. Originally a ...

, and Yoshino Gypsum Co., Ltd). In June 2018, USG entered into an agreement to be purchased by Knauf. It operates as an independent subsidiary of Knauf and continues to remain headquartered in Chicago, Illinois. The deal closed in April 2019. In 2022, after the invasion of Ukraine by Russia, Yale University published a list of companies that chose to remain active in Russia. According to this report, over 600 companies have withdrawn from Russia — but some remain. Knauf is still operating across 14 sites in Russia but has claimed to have suspended new investments. In November 2023 Ukraine listed Knauf as an International Sponsor of War for promoting mobilisation in Russia by sending its employees to the war against Ukraine. According to German public-service broadcaster ARD, Knauf has been active in collaborating with the

Russian military The Armed Forces of the Russian Federation, commonly referred to as the Russian Armed Forces, are the military of Russia. They are organized into three service branches—the Ground Forces, Navy, and Aerospace Forces—two independent comba ...

in its construction efforts in the Russian-occupied areas of Ukraine.

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* {{Authority control Companies based in Bavaria Building materials companies Multinational companies headquartered in Germany Manufacturing companies of Germany Manufacturing companies established in 1932 German brands German companies established in 1932

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