Built between 1900 and 1903, the McLean County Museum of History in downtown Bloomington, Ill., is an American Renaissance-style structure formerly used as McLean County’s courthouse. The building features a limestone-clad façade with a steep-slope roof that connects the built-in gutter to a clocktower dome.

After extensive water damage from an aging roof threatened to destroy treasured artifacts housed in the nationally accredited museum, the McLean County Board hired Western Specialty Contractors, St. Louis, to replace the roof system.

The crew removed the four-ply, built-up roof system down to the clay tile deck and replaced it with a Firestone UltraPly™ TPO membrane roof system. Western Specialty Contractors’ Springfield, Ill., branch also participated in the project by grinding out reglets, reworking clay tiles around drain replacements, and cleaning and sealing limestone at the gutter’s edge.

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