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FREMONT, CALIF. – Rooflifters USA has just completed a 30,000-square-foot roof raising on a building near San Jose. The building, newly owned and occupied by ProExhibits, will be the location of its new main office and manufacturing operation. Originally constructed with a 16-square-foot clear height, the roof was raised fully intact to a 27-square-foot clear. The renovation process added more than 300,000 usable cubic feet to the structure. Toeniskoetter Construction served as the general contractor.