When to use TPO and when to coat?

Building owners, commercial roof specifiers, architects, and contractors have some decisions to make when it comes to the material they should use to repair or replace a low-slope roof. Three popular choices include: coating over the existing roof; thermoplastic polyolefin (TPO) recover; or TPO replacement.
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Raising the roof on a new medical center

A barrel-vault roof with mechanically seamed metal panels serves as the focal point of the new Western Health Center in Midfield, Alabama. The two-story building consolidates three older health clinics into a new facility more centrally located to serve the patient community.
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Resisting hail with SPF roofing

In the words of renowned expert Richard Fricklas, former director of the Roofing Industry’s Educational Institute (RIEI), “There seems to be a mindset among some roofing contractors, as well as building owners and designers, that foam roofs are not suitable for hail regions at all.
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