TYPE BL-ZBOX Retractable Ladder with Trap Door
| Company | BILCO UK |
|---|
Images
Description
Specifications
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.
Die-cast Aluminium alloy Retractable Ladder to EN 14975 designed for use with the CS-50TB Roof Access Hatch.
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.
Guide Specification BL-ZBOX Retractable Ladder
| LADDER | Die-cast Aluminium alloy |
| TRAP DOOR | 18mm laminated wood (see options for fire rated box construction and insulated trapdoor/lining) |
| LINING | 500mm from the underside of the hatch to the trapdoor (in the closed position) |
| LOAD BEARING | 200kg per tread / Overall unit 500kg/m² |
| TREAD SIZE | Available widths(mm): 200, 250, 300, 350, 380, 430, 530, 580. 200-380mm width tread depth = 140mm. 430-580mm width tread depth = 160mm |
| TREAD RISE | Typical tread rise 277-280mm (subject to floor-to-ceiling height) |
| LIFT ASSISTANCE | Two heavy-duty springs incorporated to pivot brackets to counter-balance ladder weight on open/close. |
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