Preparatory work is the key for longevity and quality paint job as 60% of any painting job involves preparation of the surface before painting. If customers fail to choose the appropriate Auckland house painters, then there are chances that the preparation paint work and the products for painting will not be good. Preparatory work is the key for longevity and quality paint job as 60% of any painting job involves preparation of the surface before painting. If customers fail to choose the appropriate Auckland house painters, then there are chances that the preparation paint work and the products for painting will not be good.