Cool Roof Coating: Save Energy; Save World

Industry : Paints, Coatings & Printing Inks    

High solar reflectance plays a vital role in the functioning of cool roof coatings. The low rate of thermal absorption along with high rate of emittance help the rooftop absorb less heat and stay up to 28-32° cooler than the conventional materials during the peak summer seasons.

A cool roof can benefit from several aspects. Below is a list of advantages:

  • Lowers inside temperature by 6 to 10 degrees

  • Lowers energy bills by reducing HVAC needs

  • Improve indoor comfort for buildings that are not air-conditioned

  • Reduces effective temperature of the roof, which can extend its lifespan

  • Support toward LEED credit (which is a government mandate proposed by the U.S. Green Building Council)

  • Help diminish heat islands

  • Can be applied over almost any roof surface

  • Extends life of roofing systems

  • Easier installation as compared to other alternatives

  • Lowers the carbon footprint of the building and the city

The cost savings offered by cool coatings depend on various factors, including environmental temperature; the amount of insulation in the roof; energy prices; and the type and efficiency of HVAC systems.

  • Cool roofs can also benefit the environment as they can

  • Lower internal ambient temperatures, which improves air quality and reduces smog formation

  • Decrease peak electricity demand, which could prevent power cuts

  • Lower power plant emissions, by reducing energy consumption and thus helps in reducing carbon footprints of the society

  • Minimize heat trapped in the air by reflecting more sunlight back into space, which can lower down climatic change

Potential benefits of cool roofs have been recognized globally, and many government organizations and associations have been promoting the use of these products. Following are various agencies working for promoting the benefits of cool roofs,

  • Global Cities Alliance

  • New York City Cool Roof Ordinance

  • Cool Roof Rating Council USA

  • U.S. Green Building Council

  • European Cool Roof Rating Council

The U.S. Green Building Council’s Leadership in Energy and Environmental Design (LEED) rating system included cool materials in LEED 2009 version. California state laws recommend the use of cool coatings to save over 30% on energy bills.

Association Française de Normalisation (AFNOR) standards require minimum solar reflectance of 30% for façade coatings. In the UK (BREEAM) certification standards on environmental quality and sustainability includes cool materials as a heat island mitigation strategy. European Cool Roof Council also promotes the benefits of cool roofing techniques.

In Asia Pacific, Japan was the first country to abide by the Cool Roof Council’s Standards and Green Building Codes. Japan has launched Energy Smart Communities Initiative in conjunction with the U.S. Green Building codes are now widely adopted by most of the developing countries in the Asia Pacific.

Government support in the form of tax benefits and financial incentives expected to propel the cool roof coatings demand. Increasing awareness regarding the energy savings as well as the environmental benefits offered by cool enamels will probably play a vital role in market expansion.

The global market is oligopolistic in nature with the major market players to account for significant share of the market. Market leaders compete with the help of product innovation and marketing strategies. Most of the industry leaders are indulged in developing innovative products suitable for specific environments. The in-house raw material production helps manufacturers in R&D process as changes in the raw materials can be made easily.

Cool coatings manufacturers have integrated their operations through supply and distribution channels as well. This helps the manufacturers to reach individual consumers easily which has been a primary target for many manufacturers. Marketing campaigns and advertisements have been a key strategy adopted by various market players so as to create brand awareness among the consumers.

key  In-depth report on global cool roof coating market by Grand View Research:

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