De Neef® solutions provide leak sealing and water control in underground construction and soil stabilization. We can stop any type of leak in any type of structure.

Our injection grouts cover the full range of products for sealing leaks and controlling water and providing solutions for soil stabilization. On many projects, our grouts and products are used together as a complete system. But our fast, proven and durable products are just the start.

No matter what the leak, we've got you covered — anytime, anywhere.