Heat Reflective water based high thermal emittance coating useful in the world of industrial and commercial buildings, as a roof coating system that has the ability to reflect the visible, infrared and ultraviolet wavelengths of the sun, thereby reducing heat transfer to the building.
Solar heat incident on a roof is dissipated by means of three physical phenomenon namely:
Solar heat incident on a roof is dissipated by means of three physical phenomenon namely:
» A fraction of the absorbed heat is conducted to the ground and surrounding buildings
» A fraction is convected to air leading to higher air temperatures, and
» A fraction is radiated to the sky.
As such one has no control over the first two phenomenon but the third one, that is, the amount of heat radiated can be maximized by using heat reflecting roof/ wall coatings that inherently possess high emittance values. Use of heat reflective coating is particularly useful where the terrace covers an air conditioned space. A higher roof temperature necessarily leads to a higher load on the air-conditioning plant a reduction in roof temperature will result in lower roof temperature with consequent savings in power consumption.
Advantages Heat Reflective Coating:
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