Painting Galvanizing has never been so easy – Thanks to Galvacoat®

Technology is having an impact on pretty much every aspect of our lives these days, from how we communicate to people on the other side of the world to the type of cars we drive. And as a general rule, we expect emerging technology to improve efficiencies, save effort, and improve our quality of life.

Painting Galvanising

Painting Galvanizing

Newer and better technology is also driving the paint industry, and nowhere is this more evident than in the formulation of Galvacoat® – a specialist product that’s designed to provide exceptional adhesion to non-ferrous metals for painting galvanising?

To see how it’s improving efficiencies and saving effort, we can look at the traditional methods of painting galvanised surfaces.By and large, the options were as follows:

  • Etch primer, which scores the surface of the galvanizing to create and area of grip for the paint. Difficult to get complete coverage and adds additional financial and labour costs before the actual top coat can be applied.
  • T-Wash, a modified zinc phosphate solution which discolours the galvanizing and when dry allows for painting. This option is labour intensive and expensive
  • Sweep blasting is a very light blasting process that serves to roughen up the surface of the galvanising to create adhesion for the paint.
  • Weathering, which is only effective after 6 months. The intention being that the resulting coarseness would provide a better surface for adhesion. Unfortunately, if you come back to a project after six months, you might have difficulties accessing it, assuming construction had progressed, or might need to hire equipment to get at the area involved.

The problem with these methods is that, while they looked to address the issues of grip, they neglected to address the issue of salt build-up. When galvanised zinc immediately looks to revert to its natural form, this leads to the creation of salts which in turn causes any paint to lose adhesion, leaving you the prospect of expensive remedial action.

Now counterpoint this with today’s advanced Galvacoat® technology. Not only does it solve the problem of adhesion, but it also addresses the salt issue. Over its lifetime cost, it saves hugely on any of the methods mentioned earlier, as it involves just a single application. And in terms of its aesthetic effectiveness, it preserves 95% of the selected colour for up to two decades. That’s a very long time not to have to worry about repainting!

Another huge benefit, of course, is that in our less than predictable Irish weather, only having to apply it once means that Galvacoat® can have you in and out before the weather gets a chance to change its mind.

Add in the fact that Galvacoat® has very strong U.V resistance and anti-graffiti properties, along with being available in the full RAL colour spectrum, and you can see why we claim that painting galvanising has never been so easy.

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