Galvalume steel comes in various gauges that determine the quality and price.
Galvalume metal roofing energy.
Energy star also has a roof products component for cool roofing.
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Welcome to galvalume biec international inc.
Painting a bare metal roof with white house paint dramatically improves preformance.
Order these tuff rib galvalume metal roofing panels today and have it delivered in 2 3 days.
Radiant barriers air spaces and added insullation all helps but nothing improves performance like keeping the heat out of the structure to begin with.
Via abc metal roofing.
Is the worldwide licensor of the technology and know how associated with 55 aluminum zinc alloy coated sheet steel better known as galvalume.
They have medium relfectivity and poor emissivity 15.
Many metal roofing systems are energy star labeled and meet other cool roof requirements in codes and standards.
Aluminum has tremendous corrosion resistance so it will generally corrode more slowly than galvanized steel.
The one exception is when the coating is penetrated scratched or chipped by falling or blowing debris for example.
Such a roof can be reasonably expected to be some 50 to 60 degrees cooler than a dark color asphalt shingles roof.
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This includes roofing systems constructed using unpainted galvalume and clear acrylic coated galvalume as well as both architectural and wood frame products in standard colors.
This is why light colored painted roofs have a better tsr total solar reflectivity rating than galvalume.
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.
This product is manufactured in the usa and satisfaction is guaranteed.
What a consumer will pay for a galvalume roofing system depends on the quality of the material.
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.
Major costs of galvalume roofing.
Despite galvalume being very reflective it lacks the ability to release stored heat back into the atmosphere once it heats up.
Compared to a white metal roof that reflects and releases up to 59 of the sun s heat white being the most energy efficient a galvalume roof only reflects and releases 25 of the sun s heat.
Galvanized and galvalume metal roofs are hot roofs.
Corrosion is the death of metal roofing as we all know.
Epa s energy star program is familiar to many homeowners who see the label on appliances and electronic equipment.
In my opinion a light colored metal roof will always outperform a galvalume roof in energy savings unless you live in an extremely cold area like some parts of canada.