Zola sliding doors are custom-made and can be shipped fully assembled in sizes up to 20 feet wide and 8 feet high; larger sizes—up to just under 40 feet by 11 feet (WxH)—are delivered as a knock-down kit.

The “Thermo Clad” model installed on this project was 108 3/4 by 111 inches (2,819 mm x 2,762 mm, WxH), but was delivered knocked-down so it would fit through the existing doorways. It has 1 7/8-inch-thick triple-glazed safety glass (U-value of 0.09 Btu/hr/sf, SHGC 0.54), a nominal 2x8 frame, and a thermally broken aluminum sill.

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