External Wall Insulation – more than meets the eye

External Wall Insulation

Many External Wall Insulation (EWI) manufacturers offer a range of colours that pretty much satisfy every consumer requirement. Some are ‘run of the mill’ some more extravagant but all are essentially chosen to the liking of the homeowner based on the appearance they wish their property to have.

However colour is only the starting point, the manner in which that colour is then introduced to the project and via what means is the really clever bit. Over the years, the technology behind External Wall Insulation topcoats has changed a lot, with many considering mineral based topcoats as the first recognisable standard. However these topcoats were not without their drawbacks as they required two equalising coats of paint to ensure some colour stability and resistance and algae and fungal attack.

In time, mineral materials were replaced and topcoats advanced further by the introduction of acrylic materials. Acrylic topcoats had the distinct advantage of being able to receive a pigment during the manufacturing process. This resulted in a far greater consistency of colour being achieved and the material arrived to the project pre-mixed and ready to use. All that was needed was a slight agitation of the material on site to ensure that no settlement had taken place during transport, very similar to how we would stir a tin of emulsion paint prior to getting busy painting our living room.

State of the art topcoats

Finally we arrive at the latest state-of-the-art silicone based topcoats. At Caparol many, many hours of Research and Development time have been invested into formulating the very best colour fast topcoats. A huge part of this is the introduction of Nano-Quartz Technology. The three dimensional structure of the Nano Quartz Technology in Caparol paints and topcoats keep the walls clean and colourfast for longer. The extremely hard surface stabilises the top layer and prevents dirt particles from attaching to the wall. Any dirt that does manage to attach itself can only attach extremely loosely, so loosely that it is easily blown away by wind or washed away by rain.

The fast-drying façade system,which the topcoat forms an important part of, reduces the build-up of algae and lichens, because the moisture has been removed. At the same time, the Nano – Quartz Technology offers maximum protection from weather, for example moisture from heavy rain cannot penetrate the outer layer but the vapour can still escape unhindered from the inside.

Pushing the boundaries with external wall insulation

Another important technical development in the last couple of years has been the introduction of Caparol’s new BBA certificate complete with a life expectancy of 60 years. This is testimony to Caparol’s commitment in the investment and longevity of their products and systems. The majority of External Wall Isulation manufacturers have a BBA complete with a 30 year life expectancy but Caparol pushed the boundaries. Caparol was able to show BBA representatives systems installed on mainland Europe dating back to the 1950’s and 1960’s, which - other than requiring a fresh coat of paint ever so often - were still performing as when first installed.

All the above illustrates that Caparol places great importance on raising standards in housing refurbishment and External Wall Insulation installation in general, continuously improving customer satisfaction levels. By delivering efficiency measures with technically innovative products as we have for residential homes, Caparol leads the way in providing householders with a high quality installation.

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P3 Facades & Interiors

Unit 5 Pitronnerie

Industrial Estate

Pitronnerie Road

St Peter Port

Guernsey

GY1 2RL

United Kingdom

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+44 (0)1481 740 396

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