Selecting and specifying roof coatings

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Coatings have been successfully used as part of roof assemblies for more than 50 years in the United States. However, in other parts of the world, coatings have been employed for millennia. The development of sophisticated protective coatings occurred in the latter half of the 17th century, when a German chemist found a way to use the stickiness of coal tar as protection on wood and ropes.

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Xypex: Concrete Waterproofing with Crystalline Technology

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Crystalline waterproofing improves concrete durability, lowers maintenance costs, and extends building lifecycles From building foundations, elevator pits, floor slabs, and exterior precast panels to water treatment facilities and underground urban infrastructure, concrete is the most commonly used construction material.

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Lightning Protection and the Building Envelope

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Global warming could increase lightning strikes by 50 percent, according to recently published climatological research. The distribution of lightning activity may also change, raising the occurrence of lightning in regions that heretofore had little risk.1 At the same time, the need for lightning protection becomes more urgent as buildings are filled with increasingly sensitive electronic devices.

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The Proven Durability of EPDM Roof Assemblies

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Hail and other forms of physical damage (including from foot traffic or workmanship) to roofs result in millions of dollars of economic loss each year. At least one state, Texas, allows insurance companies to provide a reduction in rates when a hail-resistant type of roofing material is installed. Owners of properties that are largely self-insured are beginning to realize the importance of calling for such assemblies.

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The Benefits of Metal Roofs and Coatings

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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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