Fisher & Paykel Healthcare Location: Auckland Country: New Zealand Project Type: Commercial Project Scale: 10,000 m² + With over 30,000m2 of concrete treated with AQURON colloidal silica hydrogel concrete durability treatment and a further 15,000m2 treated with our waterproofing treatment, this was needless to say, a mammoth undertaking. Concrete Products & Solutions used. These related products and concrete solutions were used to protect the concrete of this project. AQURON 1000 | SPRAY-ON Let us keep you Updated. Subscribe to MAKING CONCRETE BETTER email updates to receive our latest content, plus news and views from the world of concrete. Subscribe