In the age of global warming when temperatures are soaring high, and the weather is becoming highly unpredictable, the idea of cool roofs is fast catching on.
A cool roof has a special design for reflecting sunlight more and absorbs less heat than traditional roofs. To increase the reflective property of the roofing material Brisco Roofing Brisbane recommends the use of special paint with high reflective property, highly reflective tiles or shingles and a special sheet covering depending on the roof system. The hot climate of Brisbane during the summer months of November to early March are testing times for traditional roofs that get very hot and transmits the heat to the building below. These are times when cool roofs can make a big difference in maintaining a moderate temperature within indoors without too much use of cooling equipment.
The goodness of cool roofs
- Cool roofs help to keep homes cool as it absorbs only a small part of the heat and transmits it to the indoors. Naturally, the indoor temperature is much less than the outside temperature and thus reduces the use of cooling equipment that lowers energy bills and saves money.
- Areas within the home that do not have air conditioning facilities like the covered patios and garages become cooler spaces that are more comfortable.
- Less use of cooling equipment results in less carbon emission and other harmful gases like sulfur dioxide, carbon dioxide, and nitrous oxide thereby creating a cleaner environment.
- Less use of electricity leads to conservation of energy and less stress of the natural resources as well as a reduction in instances of a power outage.
- As the roof temperature decreases, it extends the roof life.
The roof surface determines the coolness
The roof material is important to ensure durability and proper protection that helps to maintain the good health of the building structure. You can select the roof material from a range of materials like slate, tiles, asphalt, wood, and metals and convert it into cool roofs by using the proper surface coating. For preserving the life of the roof, you may use some elastomeric coating, but it does not help to keep the roof cool.
To keep the roof cool you must use a suitable cool roof coating on a new or an old roof. Some white pigments with high reflective properties are the chosen materials for coating roofs to make it highly reflective. The coating forms a thick layer on the roof, thicker than paint and reflects a large part of the sunlight thereby reducing the roof temperature. You can use the coating on any roof system to protect the roof surface from the harmful UV light of the sun rays. Besides, the coating has some water-resistant properties and can prevent corrosion and chemical damage to the roof surface.
Before you decide to go for cool roofs, work out the savings in energy bills that you are likely to derive and match it with the investment. If the numbers are favorable, go ahead without a second thought.