A cool roof coating is designed to reflect more sunlight and absorb less heat than a standard roof. This paint can be made of a highly reflective type of paint, a sheet covering, or highly reflective tiles or shingles.
A cool roof is a coating system that provides higher solar reflectance and is capable of reflecting the sun's visible, infrarot and ultraviolet wavelengths, minimizing heat transfer to the house.
A white roof coating will reflect more of the sun's heat so that your attic and your house stay cooler.
Usually, the roof life of a correctly applied roof coating can be prolonged by up to 10 years or more based on long-term histories. Depending on type and conditions, performance can vary, as may the thickness of the coating film.
The roof needs to be properly cleaned, and dried properly. This is a critical step in ensuring successful application of the coating. Be careful that the lap seams do not get hurt. Care should be taken while washing pressure to avoid disturbing the integrity of the underlying roof membrane particularly where adhered seams are present.