Send message
Ask a question
Pricing/Quote
List of suppliers/where can I buy
Sample request
I have read and agree to the terms and conditions of usage and The Building Centre's Privacy Policy. Your request will be sent and shared to the selected manufacturers you submit a request to.

Find products

Use our product finder to search for products and materials

Subscribe to our newsletter to receive news about events and exhibitions, innovation and materials on the latest building product innovations, case studies and more.
I have read and agree to the terms and conditions of usage and The Building Centre's Privacy Policy.

Retractable Ladder with Trap Door BL-ZBOX

Bilco UK Ltd

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.

OPTIONS

Additional Handrail 
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.

Topside Operation
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).

Varnish Coating
Available for trapdoor and lining to protect the wood.

Additional Steps
Available for installation above the ceiling opening (see illustration).

Downloads