We have to apply a coating to hot-dip galvanised construction work. When measuring the zinc coating thickness, we find very different values. How thick should/must the zinc layer be?
The required zinc coating thickness is described in the NEN-EN-ISO 1461:2009 – “Hot dip galvanized coatings on iron and steel articles – Specifications and test methods”. (Unless otherwise agreed by the parties concerned). The layer thickness depends, among other things, on the material thickness and the material composition of the steel products. For example, for…