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Description

Industrial standard retractable ladder designed for easy installation and fitted with heavy duty counter balancing springs to provide safe and controlled operation.

Manufactured to BS EN 14975 (DN 4570) standards.

General information
Color

Natural

Finish

Mill

Material

Aluminium

WarrantyDescription

manufacturers warranty

Uniclass 2015 Aluminium loft ladders (Pr_25_30_85_03)
Specification data
Product Reference

Retractable ladder

Type

BL-Z-1

Size: Up to 2500 mm, number of treads: 9, minimum hatch length: 620 mm.

BL-Z-2

Size: 2500–2790 mm, number of treads: 10, minimum hatch length: 620 mm.

BL-Z-3

Size: 2791–3090 mm, number of treads: 11, minimum hatch length: 620 mm.

BL-Z-4

Size: 3091–3390 mm, number of treads: 12, minimum hatch length: 620 mm.

Telescopic handrail

Not required

Required

Product Options

Type:

  • Material: Manufactured from die-cast aluminium alloy and the backboards are fabricated from 18 mm block wood.
  • Load bearing: 200 kg per tread - overall unit 500 kg/m².
  • Tread size: 350 x 140 mm. Alternate tread sizes are available, contact Bilco for details. Note: 250 mm wide treads do not comply with BS EN 14975 (DN 4570) standards.
  • Tread rise: Subject to the floor to ceiling height. Typical tread rise 277–280 mm.
  • Lift assistance: Two heavy duty springs are incorporated into pivot brackets to counter-balance the ladder weight.

Telescopic handrail:

Note: Handrail requires a minimum ceiling opening length of 1000 mm. Additional steps are also available to installation above the ceiling opening.

Digital objects
PlatformCompatibleVersionCertified to
IFC
IFC2X3 2 1.3
Revit
Revit 2016 3 2.0
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