Derbigum is a company expert in the production of durable and sustainable bituminous waterproofing membranes for flat roofs. Founded in 1932, it has grown into a global player through continuous investment and customer-focused service. Since June 2022, it has been part of the Kingspan Group's Waterproofing Division. With its unique and differentiating recycling programme: "No Roof To Waste", it demonstrates every day its expertise, commitment and ecological and social responsibility for greener roofs. With Derbitumen®, its contribution to the circular economy is unique: at least 20% of the new raw material from recycling is used in the production of new roofing membranes. So, the loop is closed.