WB Super Simplex Disappearing Stairway

Introducing Our New Disappearing Attic or Roof Access Ladder. By Precision Ladders, LLC


    Construction Specifications:
  • Customized construction for any job
  • Cut to the exact finished ceiling height
  • Meets requirements of A.N.S.I. A14.9-2004 for "Commercial" or "Residential" use
  • Test weight of 500 Lbs
  • Individual tread test weights of 1000 Lbs
  • Actual shear of rivets tested to 1175 Lbs
  • Steel frame
  • Extruded aluminum treads and side rails
  • 5 3/16" x 19 1/2" clear tread area
  • Ceiling heights up to 13' 6"
    Options:
  • Available Non-Rated and Rated with 2 hour fire-rating for ceilings up to 13' 6"
  • Lock on door panel (std on fire-rated unit)
  • Special deep frame to accommodate dropped ceiling finishes (on non-rated units only)
  • 2 hour fire-rated Warnock Hersey label that meets ASTM-E-119 and UBC 43-7 requirements, passed 250o temperature rise in the first 30 minutes
  • Fold-Assist (STD on units 9'-10' and taller)
  • More disappearing ladder styles, Rated or Non-Rated, are available upon request. Call for a quote.

Fire-Rated Pictured:

Disappearing Stairs

WB Super Simplex Disappearing Stairway
Disappearing Attic & Roof Stairways & Ladders
Super Simplex Diagram