Plascon’s Nuroof Cool with Enviroshield takes energy saving and insulation to new heights.

Are you looking at lower energy consumption in your commercial building or home? Your roof might be the best place to start.

Plascon, one of South Africa’s leading coatings manufacturers, has taken paint technology to the next level with the launch of its newest paint innovation, Nuroof Cool, which includes the company’s Herotech Enviroshield formulation.

The new technology reflects at least 30% of the invisible infrared light off roof surfaces, reducing the temperature of home interiors by up to 8°C. This allows for potential lower energy consumption within the home. As an environmentally-friendly product, it also deflects the sun’s heating energy back into the atmosphere, which helps to reduce greenhouse gas (GHG) emissions.

Painting a greener picture
“Being a coatings manufacturer, Kansai Plascon is continuously aware of the impact of paint on the environment, and it is for this reason that we endeavour to manufacture products that are environmentally-conscious,” says Carol Ras, marketing executive for Plascon Premium Plus brands. “Nuroof Cool was developed with the leading and innovative Hero technology of Enviroshield to not only showcase Plascon as a leader in environmentally advanced manufacturing processes, but it also helps  end-users to be more proactive in environmental sustainability within their homes and potentially save on energy consumption costs. Most importantly, the performance of the product was also improved, creating a longer-lasting coating.”

Ideal for local conditions
Plascon Nuroof Cool was developed locally, where a unique formulation was created to achieve the increased solar reflectance characteristics. Total solar reflectance (TSR) values for each colour were tested at a United Kingdon (UK) laboratory and have shown increased TSR at a minimum of 30% on the darkest colour.

Application trials were conducted in harsh coastal climates in South Africa. Special test houses were created in Alberton to monitor interior air temperature reduction: 16 steel houses were equipped with temperature probes that monitor interior air temperatures on a daily basis. Under these test conditions, it was found that interior air temperatures can be reduced by up to 8°C. Exposure testing has shown that reduced surface temperatures lower degradation from heat and ultraviolet (UV) light, creating a more durable coating.

Keeping the sun at bay equates to lower roof temperatures, which means less stress and strain on the coating and the roof. This promotes a longer roof life and less need to paint it as often. With a lower roof temperature, interior spaces are kept cooler, with less need for air-conditioning, a lowering of energy consumption and increased comfort. It not only protects the building’s roof, but also has a lower environmental footprint and presents potential cost savings.

Reducing radiation
Radiation from the sun consists of ultraviolet light, visible light and invisible infrared wavelengths. As one of the most exposed building surfaces, roofs capture enormous amounts of the sun’s energy because of their large surface area and exposure angle. If not properly looked after, cement, tiles and galvanised materials that are often found on roofs are damaged by atmospheric acidic elements and the sun’s rays.

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