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Placoplâtre is number 1 of gypsum fabrication in the world. Close to the gypsum quarries, the factory that you will visit manufactures 40% of the national output production of plaster: that is to say 1 million ton per year, or, 62 million square meters of gypsum per year.
Language: French speaking visit only
Along a giant chain, liquid plaster is poured into the space between two sheets of cardboard to become a giant-sized plasterboard. Once solid, it is cut, dried and stocked at the rate of 150 m per minute under the watchful eye of quality-control.The site located at Vaujours has been operating in the gypsum quarries since 1920. Placoplâtre covers over 42 acres and employs 400 people, including a further 3 000 indirect employees.
The proprieties of plaster board: An absolute must in interior fittings, plasterboard presents exceptional qualities. For example it is non-combustible so it’s highly resistant to fire and it emits steam in contact of heat in order not to release any toxic gas. Furthermore, plaster improves or corrects acoustics, and is also a good hygrometric regulator.
Production: In order to make plaster from natural gypsum, gypsum is extracted from quarries and taken to the production site.
Crushed and grounded, the gypsum is then heated in furnaces to obtain cement powder which is mixed with water and several additives to produce a mixture called “gâchée”. This mixture is then poured between two layers of recycled cardboard.
Once it is cut, the plaster board is dried and then stocked.. Plasterboards are then ready to be transported and used on construction sites.
Placoplâtre factories strive to implement a low environmental impact aiming to reduce energy and water consummation and, dust emissions in the air and to retrieve and recycle wasted water.
The 2km visit is done on foot thus requiring good physical condition and appropriate footwear (flat heels).
Photos are not allowed during the visit.