ABT Trapdoor

Designed for large-scale applications

The ABT Trapdoor was designed for large-scale applications in which the screen must be completely concealed when not in use. This line of custom engineered retractable trapdoor screen models consist of the ABT-4 (10'2" H x 13'2" W, 3.25-inch roller tube) and ABT-6 (15'6" H x 18'4" W, 6-inch roller tube) in order to accommodate a various range of sizes.

The ABT Trapdoor is available with variety of front or rear projection materials. Stewart's proprietary Tab-Guy™ tensioning system ensures a smooth and completely flat screen surface. Matte black over-scan borders* provide a perfectly framed image area.

Microperf X2 and Cinemaperf are available when acoustic transparency is required (acoustically transparent black drop also available upon request).

Key Features

  • Electronically controlled retractable screen and trapdoor system
  • Custom sizes and aspect ratios (Available in sizes up to 10'2" H x 13'2" W o.d.). For larger sizes consult factory
  • Screen housing consists of aluminum and fire retardant Sintra construction
  • Black-drop/overscan border above image*
  • Factory adjustable drywall stops accommodate various ceiling mount configurations
  • Available with all Stewart's flexible materials
  • Proprietary Tab-Guy tensioning system ensures smooth surface and eliminates edge curl
  • Matte-black overscan borders on sides and bottom
  • Recessed ceiling mount
  • Low voltage control and switching is standard

   * It is important to add only the amount of black drop needed. Side and bottom masking determined by the amount of black drop and image size.


Popular Screen Choices Gain Half Gain Viewing Angle Possible Room Scenario
StudioTek 130 ® G3 1.3 80° Good lighting control, dark walls, wide seating area.
UltraMatte 200 2.0 26° Excellent for use in large-scale applications.

Stewart Filmscreen has created the "4k+" symbol to represent a screen as being “4k (and more) ready”. Stewart screens have been used in in applications dealing in line pair resolution well in advance of 4k.

All current Stewart Filmscreens are capable of handling this resolution. However, not all screens are optimal for applications for which you would consider a 4k projector.

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