Even in four-season climates, the allure of outdoor living endures. Meticulously engineered for ease of operation, structural soundness, and weather-tightness, large-scale openings offer a seamless transition between indoors and out. Sliding, telescoping, or rising mechanisms give designers—and their clients—a choice of access that complements their architecture. Arc Sky-Frame This sliding curved window can be double- or triple-glazed. Multiple curves can be combined, or integrated with straight runs. Slide/Fold Duratherm Light, ventilation, and privacy are achieved through a strategic use of louvers on the slide/fold door system, here custom fabricated in teak. Fourteen wood species are offered for this configuration. Vitrocsa Invisible Wall System Vitrocsa With only ¾-inch vertical sightlines for dual-glazed sliding doors, this system creates a nearly invisible operable wall. Available as horizontal sliding windows and doors, vertically sliding windows, and pivoting doors. Solarlux Cero A 1 1/3-inch profile and a concealed track system facilitate a near-seamless appearance. Capable of supporting panels up to 13 feet by 1 9 feet with a weight of 2,200 pounds. Architectural Openings Architectural Openings Doors with lift-slide and swing mechanisms combine with tilt-turn windows in this custom mahogany curtain wall. Lift/Slide Panda Windows & Doors With a maximum panel size of 20 feet tall by 10 feet wide, these thermally broken lift-and-slide doors feature an extruded aluminum profile and polyamide iso-bars. E1200 Elephant Doors System CRL Operable storefront sections slide behind fixed sections of this opening system. Suitable for conditions that require a wide opening that can be easily converted into a fixed panel, a wall, or a wall with a door system inside. Multi-Slide Door System La Cantina Doors This aluminum thermally controlled multi-slide door system features AAMA certified wheels, which allow for a symmetrical, low-profile bottom rail. Hydrau-Lift Bifold Doors Hufcor These automated bi-fold doors fold vertically up and outward when retracted, leaving a clear opening and minimizing the amount of headroom needed inside the building. Standard Grade Multiwall Sheets Polygal Featuring a UV coating to protect the polycarbonate panels against yellowing, the rigid sheet structure provides extra strength under wind and snow loads.