Lighter color roofs reflect sun s heat much better than darker colors.
Galvalume cool roof.
Welcome to galvalume biec international inc.
With its expected long life metal roofing is a highly desirable and sustainable building component.
Berridge s kynar 500 hylar 5000.
Cool roofing is defined differently by various performance criteria in codes standards and incentive programs.
Painting a bare metal roof with white house paint dramatically improves preformance.
The mixture of zinc and aluminum protects the galvalume metal against corrosion and rust helping galvalume typically last much longer than galvanized steel.
They have medium relfectivity and poor emissivity 15.
During the daylight hours a roof is constantly subjected to solar energy striking its surface.
Aluminum has tremendous corrosion resistance so it will generally corrode more slowly than galvanized steel.
Post navigation metal and coatings are important.
Via abc metal roofing.
Cool metal roofing is also eligible for other cool roof rating programs such as the cool roof rating council.
In general a cool roof is one that has relatively high solar reflectance and high thermal emittance.
But the paintline and the people who run it will make the difference design the best.
Berridge metal roofing is cool and sustainable the high reflectivity emissivity and solar reflectance index sri of berridge metal roofing helps mitigate the heat island effect.
Cool roofs are not for high slope roofs in cool climates.
Such a roof can be reasonably expected to be some 50 to 60 degrees cooler than a dark color asphalt shingles roof.
For example a galvalume section that is 16 x3 known as a classic rib steel roof panel is 29 gauge steel and comes with a 25 year warranty.
Galvalume and galvanized steel roofing are affected differently by corrosion.
A measure of the success of this program is the fact that virtually all of the major steel companies worldwide have become licensees of biec.
What a consumer will pay for a galvalume roofing system depends on the quality of the material.
This entry was posted in architects building homeowners contractors metal roofing standing seam metal roof panels and tagged galvalume metal coil metal roofs roofing coil snow guards standing seam metal roof on january 15 2013 by mitch gaber.
Additionally many of the metals used.
Corrosion is the death of metal roofing as we all know.
Is the worldwide licensor of the technology and know how associated with 55 aluminum zinc alloy coated sheet steel better known as galvalume.
In fact a high end kynar 500 white metal roof is energy star rated and classified as a cool roof by the cool roof rating council.
The one exception is when the coating is penetrated scratched or chipped by falling or blowing debris for example.
Galvanized and galvalume metal roofs are hot roofs.
Galvalume metal roof and siding panels are coated with a mixture of zinc and aluminum and siliconized coating to help resist scuffs and fingerprints better than a bare metal product.
Radiant barriers air spaces and added insullation all helps but nothing improves.
Galvalume steel comes in various gauges that determine the quality and price.
