IMPERBEL has more than 85 years of expertise. The story began in 1932 with the creation of Imperbel, a family business located in Lot, south of Brussels, Belgium, which produced a waterproofing joint.

Some milesones in the history of Imperbel.

1932 : The founder members Francis Blake and Agnan de Goussencourt start the production of a waterproofing paste for roofs. The family company Imperbel is born.

1973 : The company imports a first quality membrane from Italy : Derbigum, its high technology is a revolution in the waterproofing industry. At the same time, the “PERFORMANCE” concept is launched, offering various services to roofers, enabling them to gain a high level of satisfaction among its end users.

1978 : In partnership with other European partners, Imperbel starts a Derbigum plant in Perwez. This production unit aims at optimizing and industrializing the membrane and its production. Four years later, the company acquires a controlling share in the factory.

2010 : Imperbel believes in ecological products.
The world’s first Derbipure®, an entirely vegetal white waterproofing membrane is launched in the fall.
In 2010 Derbigum also takes its recycling policy a step further. The company develops together with its distributors a unique system for cutting waste and for roof waste.

2012 :  Imperbel integrates synthetic membranes in their range.  Thanks to high polymer EVA/VC terpolymer roofing membranes, new perspectives for the further growth of Derbigum in Europe are visible

2016 : Imperbel NV increases its commercial footprint in South Africa by the take-over of the local distribution company Tanaprox (PTY) Ltd and changes the name into DERBIT SA (PTY) Ltd. The acquisition is part of the Group's strategy to grow the market in South Africa for DERBIT membranes and to assist our local customers in a more efficient and consistent approach.

2017 : On 16 February, the Board of Directors approved the investment of € 4.5 million for a new production line in Perwez. This investment fits well with the group's objective to focus on the development of the bitumen business, both in Europe and in export markets. The new line will also enable the Group to respond more effectively to customer and market expectations.

2019 : Imperbel is investing in the construction of a new, more efficient and modern production line. It also continues to invest in the circular economy with the construction of a 3rd recycling unit.

2020 : launching of the "No Roof To Waste" program for a more circular future.

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