Metal Roofing Trends
New ideas in design and constructability are radically changing how metal systems are used as roofing for commercial and institutional buildings. Behind the investment in these new kinds of expressions and construction approaches is a growing interest in improved performance and reduced environmental impact. Metal roofing systems can cut cooling and heating loads significantly, according to the U.S. Environmental Protection Agency, which lists metal options in its Energy Star Roof Products Directory. Those roofing assemblies offer solar reflectance and infrared emittance properties that lower peak energy demand, cut total energy usage, and (where “cool roofing” products are used) mitigate urban heat-island effects.
LEARNING OBJECTIVES
After reading this article, you should be able to:
+ DESCRIBE new developments in metal roofing, including the materials and systems being used and the reasons for those choices.
+ EXPLAIN the basic challenges and solutions for metal roofing related to weather, hazards, durability, and resiliency.
+ LIST the factors that affect the planning, design, and construction of metal roofs with photovoltaic systems and other green building benefits.
+ DISCUSS approaches to improving the design, installation, and maintenance of metal roofs
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