The Benefits of Metal Roofs and Coatings


Recognized as sustainable, durable building components, metal roofs are used in various applications. The performance of the assembly’s panels depends on the metal substrate, metallic layer, and exterior coating. These are critical to the panel’s weather and corrosion resistance, color retention, and overall longevity.

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Durability of Water-resistive Barriers

wrb_file opener

Many new water-resistive barrier (WRB) products are being introduced, including liquid-applied membranes. These new products join traditional wraps, self-adhered membranes, felts, and building paper, making for a crowded marketplace. A WRB will be concealed behind cladding, where it cannot be inspected, maintained, or replaced, so it must last for the design life of the building. However, will the new products be durable?

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Metal Wall Panels on the Roof: How to achieve durability and reliability using sheet metal

All images courtesy Simpson Gumpertz & Heger

Some modern architectural designs use newer materials and metal panel assemblies for roofing applications, many of which are not intended to be used as roofing and, therefore, may not be well-suited for it. One such trend is the use of architectural metal wall panels as roofing to create a visually seamless transition between building walls and roof surfaces such as low-slope setbacks in the façade. This can impose unique challenges for the designer and contractor.

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Exploring Mica Coatings’ Potential: A look at Port Canaveral’s Exploration Tower

Photo (c) Rip Noel, Noel Studios Inc. Photo courtesy Valspar Corp.

The welcome center at Florida’s Port Canaveral space shuttle facility is Exploration Tower. Clad in aluminum panels and a curtain wall assembly, it is also the first major project to be finished with paint that changes color depending on the light reflectance. This article looks at how such a coating is applied, and what design professionals need to know about the visual potential of such materials.

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