Accreditations & Memberships

BontexGeo is proud to be actively involved in the promotion and development of the geosynthetic market on national and international levels.

Several people of our team contribute to the development of national and international standards and frameworks for the correct use and testing of geosynthetics:

CEN/TC 189

CEN/TC 189: They aim to produce high-quality standards for products and services that incorporate quality, safety, environmental, interoperability and accessibility requirements. We adapt proactively to new developments and support European competitiveness, the protection of the environment and sustainable growth for the well-being of citizens and the strengthening of the single market (European Economic Area).


ISO/TC 221: Standardization of all geosynthetic products including geotextlles, geomembranes, geocomposite clay liners and other geosynthetic related products.

Logo BGS

The Belgian Geosynthetics Society, briefly BGS, is an association of experts with very different backgrounds – academics, research centers, administration, engineering, manufacturers, distributors and contractors- but with a common interest in geosynthetics. The BGS is the Belgian branch of the international umbrella organization for geosynthetics IGS (International Geosynthetics Society)

IVG logo

IVG Geobaustoffe is a leading provider of geosynthetic products for construction. They offer materials like geotextiles and geomembranes for soil stabilization, erosion control, and more. Committed to innovation and sustainability, IVG Geobaustoffe contributes to safer and more durable infrastructure worldwide.


The International Geosynthetics Society (IGS) is a learned society dedicated to the scientific and engineering development of geotextiles, geomembranes, related products, and associated technologies. We are registered as a non-profit corporation. IGS provide greater understanding of geosynthetic technology and promote its appropriate use throughout the world.


The European Association of Geosynthetic product Manufacturers (EAGM) is established with the goal to promote the knowledge and the usage of European synthetic products and to underline the sustainable benefits when applying these products. EAGM promotes and maintains a high level of quality for geosynthetic products, to be subject to equal and objective parameters, assuring customers that products from EAGM members are of a proven high level of quality.


COPRO is a Belgian body for the control of construction products that focusses on improving the quality of construction and construction products. COPRO is also the body responsible for providing BENOR certification for our woven and nonwoven geotextile products.


Asqual is devoted to improving the quality of products used in various sectors in France, including the construction sector. BontexGeo is a proud member of the interlab testing platform to improve the performance and reliability of geosynthetic testing. Next to that, Asqual provides the Asqual certification of several nonwoven geotextiles.

AFPGA logo

AFPGA is the French association of geosynthetic producers and aims to promote the correct use of geosynthetics in France and engage in the continuous improvement of the business.

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