High Albedo Metal Roofing

This roof has a high albedo and reflects about 63 of the energy from sunlight.

High albedo metal roofing.

In the morning and in the late afternoon the high albedo materials were as cool as the air itself. On a sunny day a roof that strongly reflects sunlight can stay much cooler than a roof that absorbs sunlight. Facilities located in ontario california and route trucks servicing northern california. The florida solar energy center has studied this issue.

While conventional roofing materials warm up by an average 0 055 degrees c w m sup 2 sup the high albedo surfaces warm up by an average 0 015 degrees c w m sup 2 sup p. In los angeles the average roof albedo is about 0 17. I can say from practical experience that nothing beats a white metal roof reflectivity 80 90 and high emissivity 80 90. Western metal deck an independent family owned and operated leading provider of corrugated metal roof panels metal roofing accessories metal roofing supplies metal wall panel systems and verco metal decking.

Reformulate or coat black membranes to make them reflective. By preventing a majority of the heat from ever reaching the surface these roofs work to greatly reduce hvac cooling costs during the summer months. How they can be made cool. This is because the high albedo roof reduces the.

Recycled content of berridge metal. Berridge metal products have a high recycled content and are 100 recyclable at the end of their lifespan. You must have both high reflectivity 70 and high emissivity 75. As expected high albedo roofs save summer cooling energy but also increase the required winter heating energy.

A sample. Energy efficient metal roofing community development department 2000 main street third floor huntington beach ca 92648 planning. These surfaces warm to 140 to 170 degrees fahrenheit. Cool metal roof i live in key west fl where it tends to get a liitle hot.

Single ply membranes are pre fabricated sheets rolled onto the roof and attached with mechanical fasteners adhered with chemical adhesives or held in place with ballast gravel stones or pavers. As one would expect albedo roofs are formulated with special high eminence materials that keep project a high level of thermal energy back into the atmosphere. For the building types with multi zone reheat systems hospital large office medium office and primary school some net heating energy savings can be seen. Built up roofs consist of a base sheet fabric reinforcement layers and usually a dark protective.

Click on the green marker to view this building in google maps. 714 536 5271 building safety. Sri measures the roof s ability to reject solar heat defined such that a standard black reflectance 0 05 emittance 0 90 is 0 and a standard white reflectance 0 80 emittance 0 90 is 100.