The BILCO industrial grade BL-ZBOX Retractable Ladder features heavy-duty counter-balancing springs to enable safe and controlled operation, and is supplied with timber lining and trapdoor to enclose the ladder from the underside.
Constructed with corrosion-resistant materials to provide many years of trouble-free, dependable service.
Available in standard or bespoke sizes to satisfy many access requirements or installations.
Fully compliant to EN 14975
Designed for use with the CS-50TB Roof Access Hatch.
TYPE BL-ZBOX RETRACTABLE LADDERS
BL-ZBOX-1 height: < 2500mm / No. treads: 9 / tread size* 350x140mm / min hatch length: 1000mm
BL-ZBOX-2 height: 2500 - 2790mm / No. treads: 10 / tread size* 350x140mm / min hatch length: 1000mm
BL-ZBOX-3 height: 2791 - 3090mm / No. treads: 11 / tread size* 350x140mm / min hatch length: 1000mm
BL-ZBOX-4 height: 3091 - 3390mm / No. treads: 12 / tread size* 300x140mm / min hatch length: 1000mm
BL-ZBOX-5 height: 3391 - 3690mm / No. treads: 13 / tread size* 300x140mm / min hatch length: 1300mm
BL-ZBOX-SS Manufactured to special size on request
* alternate tread sizes are available - please contact us. (Note: 250mm wide treads do not comply to EN 14975 standards)
Handrail BL-Z ladders are supplied with a standard telescoping handrail on one side*
An additional handrail for the opposed side can be supplied if specified*
*Handrail requires a minimum ceiling opening length of 1000mm.
An additional handrail for the opposed side can be supplied if specified.
Insulated Trapdoor and Lining
Supplied with 63mm thick insulation.
Increased Lining Depth
Can be supplied with lining depth up to 860mm.
Supplied with a cable/pull-ring for access from above.
Electronic Operation (TYPE BLZ-BOXE)
Trapdoor and stair can be opened and closed with a simple push of a button (see video).
Available for trapdoor and lining to protect the wood.
Available for installation above the ceiling opening (see illustration).