GT 1175 Telescopic Slider

GT 1175 Telescopic Whisper Slider Entrance System is the perfect solution for limited spaces.

GT 1175 Telescopic Slider


GT 1175 Telescopic Whisper Slider Entrance System is the perfect solution for limited spaces. This system combines space-saving versatility with the elegant look of a large clear door opening. With a 54% door opening to frame width, it provides an unprecedented 25% more door opening than a standard bi-part slider! Because it has a faster opening and closing cycle, it can reduce heat loss by up to 50% when used to upgrade a swing door. Its durable, heavy-duty design is made to withstand demanding traffic conditions and the worst weather. Full breakout and fixed sidelites are standard with options available for unique applications. Available in three-panel single slide or six-panel bi-parting configurations.


  • Motorized belt-drive for silent operation
  • Exclusive NABCO Series “U” Microprocessor provides increased efficiency and dependable service
  • Three rocker switches and an optional keyed switch system offer easy door control
  • Integral flush glaze framing systems provide a more attractive appearance and a larger clear viewing area
  • Large urethane door rollers for smooth and long-lasting operation
  • Superior double mohair thermal brush on the center style of doors provides continuous moisture break
  • Adjustable thermal brush system on the bottom of the door adds extra life
  • Extra duty anodized roller track for long-lasting durability
  • 2 header-mounted NABCO Acusensor 1B units are standard and provide more efficient, safer reliable door operation
  • One holding beam
  • Meets ANSI Standard 156.10 for power-operated pedestrian doors. UL, CSA, and CSFM approved


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