Derbigum is a Belgian family business specialised in sustainable bituminous waterproofing membranes for flat roofs. Founded i ... n 1932 as a family SME, today it has grown into a world player thanks to continuous investments and a very customer-oriented approach. The group has two sites in Belgium (Lot & Perwez) and employs around 350 people worldwide. More than two thirds of its production is destined for export. Derbigum is environmentally friendly and sustainable and proves this every day with a unique and sector-defining recycling programme: No Roof To Waste. In that way, Derbigum meets its ecological and social responsibility. With Derbitumen®, the new raw material obtained from recycling, the company makes a unique contribution to the circular economy. That's how we close the loop. read more