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Type BL Retractable Ladder Product Image
Retractable Ladders
TYPE BL-Z Retractable Ladder

The BILCO industrial grade Retractable Ladder features heavy-duty counter-balancing springs to enable safe and controlled operation.

Die-cast Aluminium alloy Retractable Ladder to EN 14975 designed for use with the CS-50TB Roof Access Hatch.

BL-Z Retractable

Features / Benefits

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


BL-Z-1 height: < 2500mm / No. treads: 9 / tread size* 350x140mm

BL-Z-2 height: 2500 - 2790mm / No. treads: 10 / tread size* 350x140mm

BL-Z-3 height: 2791 - 3090mm / No. treads: 11 / tread size* 350x140mm

BL-Z-4 height: 3091 - 3390mm / No. treads: 12 / tread size* 300x140mm

* alternate tread sizes are available - please contact us. (Note: 250mm wide treads do not comply to EN 14975 standards)

Minimum hatch length All models: 1000mm

Handrail BL-Z Ladders are supplied with a standard telescopic 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.

Additional steps are also available for installation above the ceiling opening (see photo).

Performance Standards BL-Z Retractable


Guide Specification BL-Z Retractable

LADDERDie-cast Aluminium alloy
BACKBOARD18mm blockboard
LOAD BEARING200kg per tread / Overall unit 500kg/m²
TREAD RISETypical tread rise 277-280mm (subject to floor-to-ceiling height).
LIFT ASSISTANCETwo heavy-duty springs incorporated to pivot brackets to counter-balance ladder weight on open/close
INSTALLATIONSupplied with 580mm wide mounting backboard. Note: The backboard must be attached to a structural support - DO NOT attach the backboard to the curb of a Roof Access Hatch.

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