For decades, Demden has been at the innovative edge of the concrete industry, sourcing and supplying the world’s best concrete waterproofing, repair and durability products.
Every product we stock is the best in its class, and backed by rock solid research.
We can help you with technical support, research & development, specialist product sourcing and site visits to ensure your concrete solution is perfect for you. We are specialists in NZ concrete technology, so get in touch if you need our assistance. We can also put our vast international networks to work for you, researching and importing speciality solutions to meet your specific needs. While our reach is global, our service and support is very much local - we’re a small, specialist team by design.Our Services