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Cool Roof a Mandatory Norm in New Buildings

Comments(2) Sub Category:Green Living,Municipality,Realty News Posted On: Jul 25, 2011

A ‘cool roof’ is one treated with a coating to reduce the amount of absorbed solar radiation and heat. Research suggests that such roofs are more reflective that the conventional ones. Leading to savings on your AC bill. This, in turn, reduces carbon emissions and helps in promoting a cooler and a greener planet. To bring down carbon emissions and slow down global warming effects, the state has been promoting use of green and environment-friendly building construction materials. In Delhi, the government has modified building norms to make “cool roofs” a mandatory norm in new buildings. To promote the concept, Delhi first introduced the concept in government buildings.

Conventional roofs (dark-coloured roofs) absorb heat instead of reflecting it. This raises the temperature of the roof during hot weather. The heat is also transmitted to the living quarters below, forcing many to switch on air conditioners.

A ‘cool roof’ is one treated with a coating. In general, these coatings are white or light-coloured. By reflecting heat, a cool roof significantly minimizes such heat transfer, leading to savings on your AC bill. This, in turn, reduces carbon emissions and helps in promoting a cooler and a greener planet. The term is also used to describe roof tiles that show similar properties.

The Mumbai state environment department has tied up with Dr Jayant Sathaye, a director with the International Energy Group of the renowned California-based and renowned Lawrence Berkeley National Laboratory that has published research papers.

The US was the first to endorse the concept. With President Barack Obama advocating it strongly, the concept has gained tremendous ground within the States and is now trending in other developed and developing countries. Rebates in taxes were offered to popularize the concept in some parts of the US. Interestingly, the California research laboratory had also suggested use of light-colored pavement tiles to reduce carbon emissions.

Times of India

2 Responses to “Cool Roof a Mandatory Norm in New Buildings”

  1. Anonymous says:

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  2. Dee Rayshell says:

    One of the best posts I’ve read in a while. Keep them coming.

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