Largest Construction Grinding Company within New Zealand. Polished Concrete Founders within NZ HTC Superfloor- Licensed Applicators Specialist Coating Division Surface Treatments Division Licensed applicators for: Sika Nuplex Ardex Uroxsys Equus Resene's BASF Solid Floors have a vast array of solutions and services we can tailor to your specific project needs. Please feel free to call or email us anytime and check out the recent projects section online.