Think You Know Commercial Roof Retrofits?

July 28, 2026

This week’s quiz is from From old to new: Chicago’s retail roof overhaul. Replacing an aging commercial roof is rarely straightforward. This Chicago retail retrofit turned an 82,000-square-foot ballasted EPDM roof into a high-performance PVC roofing system, complete with tapered insulation, upgraded drains, and a new air/vapor barrier. The project also required careful coordination with multiple trades while crews worked around complex roof geometry, parapet walls, and mechanical equipment. Think you know the details of commercial reroofing? Test your knowledge with this quiz.

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Think You Know Commercial Roof Retrofits?

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