KÖSTER is a leading global brand renowned for advanced waterproofing, concrete repair, and surface protection solutions. Originating in Germany, KÖSTER leverages cutting-edge technology, rigorous quality standards, and extensive industry experience to deliver reliable and innovative systems trusted by professionals worldwide.

KÖSTER’s diverse product portfolio includes premium crystalline waterproofing slurries, highly flexible TPO roofing membranes, advanced crack injection resins, protective coatings, and sealing systems tailored for complex construction projects. From basements and tunnels to commercial rooftops and heritage restorations, KÖSTER's solutions consistently deliver exceptional durability, adaptability, and performance in New Zealand’s challenging environmental conditions.

With a strong commitment to environmental sustainability, KÖSTER products are designed to be safe, solvent-free, and eco-friendly, meeting stringent international standards. Architects, engineers, and construction professionals rely on KÖSTER for dependable, technically superior waterproofing solutions that ensure long-lasting structural integrity and performance excellence.