Glava AS is a

Norwegian Norwegian, Norwayan, or Norsk may refer to: *Something of, from, or related to Norway, a country in northwestern Europe *Norwegians, both a nation and an ethnic group native to Norway *Demographics of Norway *The Norwegian language, including the ...

industrial company with headquarters in

Askim Askim () is a town and a former municipality in (from January 1, 2020) Indre Østfold Kommune in the former county of Østfold county (from January 1, 2020 a part of Viken county), Norway. The administrative centre of the Askim municipality wa ...

. The name is a

portmanteau A portmanteau word, or portmanteau (, ) is a blend of wordsNorwegian Norwegian, Norwayan, or Norsk may refer to: *Something of, from, or related to Norway, a country in northwestern Europe *Norwegians, both a nation and an ethnic group native to Norway *Demographics of Norway *The Norwegian language, including the ...

word ''glassvatt'', meaning

glass wool Glass wool is an insulating material made from glass fiber arranged using a binder into a texture similar to wool. The process traps many small pockets of air between the glass, and these small air pockets result in high thermal insulation prop ...

. Glass wool used as

insulation Insulation may refer to: Thermal * Thermal insulation, use of materials to reduce rates of heat transfer ** List of insulation materials ** Building insulation, thermal insulation added to buildings for comfort and energy efficiency *** Insulated ...

material is the company's main product. Production takes place at the company's production facilities in Askim and

Stjørdal Stjørdal () or is a municipality in Trøndelag county, Norway. It is part of the Stjørdalen region. The administrative centre of the municipality is the town of Stjørdal, also called Stjørdalshalsen. Some of the villages in the municipalit ...

. Glava employs around 500 people, and in 2007 had a revenue just short of

NOK Nok is a village in Jaba Local Government Area of Kaduna State, Nigeria. The village is an archeological site. Archaeology The discovery of terracotta figurines at this location caused its name to be used for the Nok culture, of which these ...

1,500 million. The company's history goes back to 1935, when industrialist Jens Bull was offered licensed production in Norway of glass wool, originally a

German German(s) may refer to: * Germany (of or related to) **Germania (historical use) * Germans, citizens of Germany, people of German ancestry, or native speakers of the German language ** For citizens of Germany, see also German nationality law **Ger ...

invention. The company was originally called "Glassvatt". During the post-war reconstruction of Norway, Glava grew dramatically, as the need for insulation of buildings became clear. The product is today made on a licence from the

French French (french: français(e), link=no) may refer to: * Something of, from, or related to France ** French language, which originated in France, and its various dialects and accents ** French people, a nation and ethnic group identified with Franc ...

company

Saint-Gobain Compagnie de Saint-Gobain S.A. () is a French multinational corporation, founded in 1665 in Paris and headquartered on the outskirts of Paris, at La Défense and in Courbevoie. Originally a mirror manufacturer, it now also produces a variety of ...

. It is produced from

borosilicate glass Borosilicate glass is a type of glass with silica and boron trioxide as the main glass-forming constituents. Borosilicate glasses are known for having very low coefficients of thermal expansion (≈3 × 10−6 K−1 at 20 °C), ma ...

, which is heated to around 1,400 °C before being stretched into fibres. In 1959, the company was responsible for the so-called " ice block expedition", later called "the world's greatest publicity stunt". The expedition consisted in bringing a three-ton block of ice from

Mo i Rana Mo i Rana () is a List of towns and cities in Norway, city, and the administrative centre of the Municipalities of Norway, municipality of Rana, Norway, Rana, in Nordland county, Norway. It is located in the Helgeland region of Nordland, just sou ...

by the

Arctic Circle The Arctic Circle is one of the two polar circles, and the most northerly of the five major circles of latitude as shown on maps of Earth. Its southern equivalent is the Antarctic Circle. The Arctic Circle marks the southernmost latitude at w ...

, to

Libreville Libreville is the capital and largest city of Gabon. Occupying in the northwestern province of Estuaire, Libreville is a port on the Komo River, near the Gulf of Guinea. As of the 2013 census, its population was 703,904. The area has been inh ...

by the

Equator The equator is a circle of latitude, about in circumference, that divides Earth into the Northern and Southern hemispheres. It is an imaginary line located at 0 degrees latitude, halfway between the North and South poles. The term can als ...

, without using any form of

refrigeration The term refrigeration refers to the process of removing heat from an enclosed space or substance for the purpose of lowering the temperature.International Dictionary of Refrigeration, http://dictionary.iifiir.org/search.phpASHRAE Terminology, ht ...

References

Manufacturing companies established in 1935 Glassmaking companies of Norway Askim 1935 establishments in Norway Norwegian brands {{glass-engineering-stub