You don t have the option to reflect sunlight.
White vs black roofing.
In fact city councils throughout the country are adopting model codes which favor white over black roof systems touting energy efficiencies without considering key factors that greatly contribute to the actual efficiency and life of a roof.
Some would conclude that if you are going to go with an epdm roof then go with the black and then coat it with a reflective elastomeric roof coating.
Basically the white laminate on top is to address the need for a white roofing material on a product that is by its very nature black.
They built test houses white roof vs black roof.
What they found was surface temprature hand to shingle was approximately 20 degrees warmer if black.
We ve heard this a lot lately.
A black or gray modified roof is either painted with a reflective paint or is embedded with tiny white.
Choices include black or white epdm and assembly methods include ballasted fully adhered or mechanically fastened systems.
Since black roof shingles absorb the energy from the sun you lose the option to reflect the sunlight to create a cooler attic.
White roofs are better than black roofs.
For example a black tar roof is often covered with gravel.
List of the cons of black roof shingles.
Rutila there are three reasons why the decision isn t clear cut when it comes to selecting the right roofing membrane there s much more to selecting a roof membrane than color but it s not a black and white decision.
For example if your attic has moisture problems a white roof can help prevent heat from combining with the moisture to grow mold and mildew.
This action can give you another level of visual confirmation about the pros and cons of black roof shingles for your house.
Top 3 myths revealed.
The main drawback of white shingles is that they won t be able to absorb heat as well as black shingles would during the colder seasons of the year.
This is one of the reasons why many black roofs are covered with other materials.
When determining if black or white roofing membrane is a better choice for your commercial building there are a few common misconceptions many people encounter.
The first being that white membranes are more durable than black membranes due to their lower surface temperature.
The environmental benefits of exposed membrane low slope roofing.
The drawbacks of using white shingles.
White metal has the highest rate of solar reflectivity than any other material and a large portion of california cool roofs are created with metal.
Since a black roof absorbs and retains heat the summer is the absolute worst time to have one.
12 01 2009 by dean a.