WB Super Simplex Disappearing/Foldable Stairway & Ladder - Fire-Rated or Non-Rated
The WB Super Simplex Disappearing/Foldable Stairway & Ladder is perfect for industrial applications where a foldable ladder or stairway is
necessary. This stairway and ladder is available in either fire-rated or non-rated. This ladder is also available with a built in roof hatch
for easy installation. The WB Super Simplex Disappearing/Foldable Stairway is proudly made in the USA. Lead time is approximately one
week. Request a quote to receive pricing on your disappearing/foldable stairway today!
- Customized to meet most job conditions
- Built to the exact finished ceiling and floor/roof deck heights
- Meets requirements of A.N.S.I. A14.9 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.
- 11 ga. formed steel frame
- Extruded aluminum treads and side rails
- 5 3/16” tread depth
- Can accommodate ceiling heights up to 13' 6"
(AT EXTRA COST)
- Units available for both non-rated and fire rated ceilings
- Lock on door panel (std on fire-rated units)
- Special Deep Box and Deep Angle frames to accommodate dropped ceilings
- 2 Hour fire-rated Warnock Hersey label that meets ASTM-E-119 and UBC 43-7 requirements, passed 250° temperature rise in the first 30
- Fold-Assist (standard on units 9' 10" and taller)
- For units accessing a roof, custom roof hatches are produced and factory mounted then shipped to the job site as one complete roof
- Fire rated