Waterproofing Projects Some of our projects we are proud of: Storm Surge Barrier "Neeltje Jans" Slauerhoff Bridge Leeuwaarden Houkesloot Aquaduct Sneek Environmental Service Dept. Groningen Water Purification Plant Limburg Taylor & Frasier Scotland Incheon International Airport Seoul High Speed Rail Lage Zwaluwe Cementmix Acid Test