White roofs seem like no brainers in warm climates like phoenix las vegas and miami where they can keep air conditioning bills in check year round.
White roof advantages.
There is an effect known as a.
Advantages of cool roof systems.
One advantage they offer is their energy saving properties.
During the summer the temperatures will get relatively hot.
States like california even now mandate white roofs on commercial buildings.
A home with a white roof maintains a temperature cooler than that of the outside air.
The main benefits include comfort and energy costs.
A cool roof comes with so many advantages that will prove beneficial to your home especially during the hot summer months.
A stanford study for instance concluded that white roofs might actually have the opposite of the intended effect.
Their modeling showed that an increase in white surfaces could reduce the overall cloudiness of the area which would allow more sunlight and heat in the surrounding city.
A white roof however has a reflectivity of over 90 percent and emits 100 percent of its absorbed thermal energy.
White roofs reflect a tremendous amount of the sun s rays.
Generally white in color or with white surfacing these membranes reduce the solar radiation collected by roofing surfaces which lowers the roof surface contribution to the energy used to condition air and to the local environment.
A black roof has almost no reflectivity and no emittance.
Many white roofs easily last for 30 years or more without any real problems.
If you have a black roof then guess what s going to happen.
So what does this mean for you.
First the net energy savings generated by white roofs compared with dark roofs depends partly on where you re located.
To start with a cool roof tends to be an eco friendlier roofing approach that makes sure that you have a home that is more energy efficient.