Who are we ?

Design office, Design and Equipment Manufacturing Industry plaster

PLATROTEC specializes in the design and production of equipment dedicated to the production of gypsum blocks and kilns. 

Thanks to a unique know-how and a high technical expertise for more than 40 years, we develop new technical solutions adapted to your needs.

PLATROTEC innovates constantly and is at your disposal from preliminary project to commissioning.

Our method :
* Personalized approach in the study of a concrete project.
* Close collaboration with the customer, to obtain an optimal result, according to his needs and constraints.
* Optimization of production processes thanks to the automation of the equipment, aiming at reducing the number of operators in maintenance.
* Reduced pollution level of the equipment.
* Implementation of innovative elements.

Our missions :

To envisage the future penetrating not only the French internal market, but also the new markets of the countries of Western and Eastern Europe.

Develop new inventions and discoveries. 

With the professional experience and know-how of its technicians, is able to meet the highest demands of its former and future customers, with the sole purpose of being in harmony with current trends.

For any information or documentation request, do not hesitate to contact us at 01 60 35 36 11 or click here

Historical M. René Bergounhon

René BERGOUNHON - President

Born November 18, 1937 in Blanc-Mesnil (France).
Research engineer specialized in fluid mechanics.

1957 - 1969 : Ste WORTHINGTON Masoneilan at Bourget (77 - France) - Head of Studies Office.
      Achievements :
  • Patent: Manual control for automatic control valve.
  • Patent: Balanced valve for control valve.
  • New: 10,000 lbs. High Pressure Valve.

1970 - 1987 : COFFRAGES MODERNES in Rosny-sous-Bois (93 - France).
      Shareholder and director of the company.
      Technical Director: Creation within this company of a plaster department.
  • Patent: plaster block press "with extension" (process bought by Rhône Poulenc France).
  • Patent: Plaster block dryer.
  • Novelty: Extrusion plaster block machine, monobloc type, with adaptation for hollow plaster blocks

1985 : Creation of ALPHAPLATRE
      The founders: Mr BERGOUNHON René (father) - Mr BERGOUNHON Eric (son) - Mr SETERA Alain
      This company invents, develops and protects very quickly many innovative equipment for the plaster industry.

  • Patent: Vapour condensation system that can be fitted to plasterboard dryers. 50% reduction in natural gas energy consumption, therefore 450 kilo calories instead of 900 per kilo of water extracted from the plaster blocks
  • Patent: Continuous flow static vertical kilns for gypsum treatment. Ingenious system to produce gypsum with low water demand during mixing, resulting from the presence of so-called "alpha" plaster. Minimized heat consumption (50% less than other conventional kilns).Gypsum suitable for all configurations.
  • Novelty: Extrusion plaster block machine consisting of 3, 4 or 5 modules with interchangeable molding head.
  • Preparation of water-plaster mixture.
  • Handling and packaging of finished products.
2005 : We sell ALPHAPLATRE to the CERIC group

2009 : Creation of GYPSOTONNE SAS
      Created by the same two founding design engineers of ALPHAPLATRE in 1985: Mrs BERGOUNHON René (father) and Eric (son).

2010 : Mr René BERGOUNHON, President of GYPSOTONNE SAS. (Stopping of the GYPSOTONNE activity in 2019)

2010 : Creation of PLATROTEC SAS, President of the company.

Historical M. Eric Bergounhon

Eric BERGOUNHON - Director of Studies, Research and Development

Born December 2, 1960 in Dugny (France).
Technical studies. Option: Industrial drawing in frames and metal works.

1982  - 1985 :
  • Collaborator of the design office of the company LES COFFRAGES MODERNES in Rosny-sous-Bois (93 - France): elaboration of drawings for the manufacture of parts intended for plastering equipment (plasterboard machine with extrusion and extension plaster, dryers, handling of plaster blocks, etc.).
1985  - 2005 : 
  • One of the three founders and directors of ALPHAPLATRE (assisted by his father René BERGOUNHON and Alain SETERA, both specialists in the field of plaster and its applications since 1970)
      Studies of new equipment and exploitation of patents such as :
  • Research and development on gypsum board machines with interchangeable heads, for the purpose of molding blocks of different thicknesses with the same machine frame.
  • Participation in the development of plasterboard dryers equipped with vapor condensers of our innovation and patented
  • Research and development on static vertical plaster baking ovens with a throughput of 180 tons / day and of 450 tons / day for the large model.
2005 - 2008 :
      Sale of ALPHAPLATRE in 2005 to CERIC group. 2005 to 2008 - Technical Director of ALPHAPLATRE at CERIC.

2008 :
      Departure from CERIC before the liquidation of all their companies in 2009 and 2010.

2010 : Creation of the company GYPSOTONNE SAS. Director of studies, research and development of the company. (GYPSOTONNE activity will be stopped in 2019).

2010 : Creation of PLATROTEC SAS, General Manager of the company.