Twin Pack Epoxy Coatings

It has become very fashionable over the last few years to have coated cement floors in office entrance halls as well as in kitchens and bathrooms in domestic homes. These floors are often coated with Twin Pack Epoxies. A problem can arise when the interior design calls for colours produced from blends of different pigment types. Epoxy resins are ideal for the production of industrial coatings, where performance is more critical than aesthetic attributes. Pigments are not well stabilized in such resins, and preventing different types of pigments from floating is a problem associated with these coatings. I saw a problem created by the floating of pigments during roller application to a floor that can be directly attributed to the tinting of a medium grey shade to a blue-grey colour. Due to different pressure applied by the applicator, roller width stripes of noticeably different colours were evident in some areas. Murphy's law reigned supreme in this case, and the darker stripes were in the middle of the floor. A third coat, carefully applied, sorted the issue out. Fortunately, this was a small area that had been coated, and the applicator had enough product left over to complete the repair coat.