Lift/Roll doors can be configured with multiple panels to provide opening walls of windows. The doors feature double EPDM rubber gaskets for a tight weather seal. Door interiors and exteriors can be speced in a variety of wood species, including teak, mahogany, Douglas fir, Spanish cedar, cypress, and redwood. Glazings up to 500 pounds are available in several options. 800.996.5558. www.durathermwindow.com.