Verified by manufacturer 28 days ago
BL-ZBOX-1
Industrial grade retractable aluminium ladder with laminated, insulated trapdoor.
Designed for use in areas where the floor space must be kept clear such as schools and hospitals.
Industrial standard retractable ladder designed for easy installation and fitted with heavy duty counter balancing springs to provide safe and controlled operation. The product also benefits from a timber lining and trapdoor to enclose the ladder from the underside.
Available with 30 or 90 minute fire ratings, the hatch box and trap door feature a hollow metal design that is fabricated from 1.5 mm steel and insulated with mineral wool insulation (38 mm thick - 30 minute fire rating, 75 mm thick - 90 minute fire rating). The lining features a flange around both the ceiling and the trap door to help prevent flame and smoke penetration, and the ceiling flange is 29 mm wide whilst the flange around the trap door opening is 15 mm wide.
Features and benefits:
Color | Other |
Finish | Varnished Mill |
Material | Aluminium Guidance for specification option: Die-cast aluminium alloy. Wood Guidance for specification option: The lining and trap door are fabricated from 18 mm thick laminated wood. |
Warranty description | Manufacturer guidanceManufacturer's warranty. |
Uniclass | |
CAWS | L30/41 Loft ladders L30/421 Loft ladders |
Standard | To BS EN 14975.Guidance for specification option: DN 4570. |
Floor-to-ceiling height (minimum) | <2500 mm. |
Handrails | Not required.Telescopic.Guidance for specification option: Requires a minimum ceiling opening length of 1000 mm. Additional steps are also available to installation above the ceiling opening. |
Treads | 350 x 140 mm.Guidance for specification option: Number of treads: 9. |
Loft trapdoor | |
Minimum opening size (length x width) | 1000 mm (minimum hatch length). |
Operating mechanism | Electric.Manual.Topside. |
Fire rating | Non-fire rated. FD30. Guidance for specification option: 30 minutes. FD90. Guidance for specification option: 90 minutes. |
Trap door and lining | Varnish coating. Guidance for specification option: Available to protect the wood. Manufacturer's standard. |
Operation | Electric. Guidance for specification option: Optional, trap door and stair can be open and closed with a simple push of a button. Manual. Guidance for specification option: Standard. Topside. Guidance for specification option: Optional, supplied with a cable/pull ring for access from above. |
Accessories | None. Additional steps. Guidance for specification option: Available for installation above the ceiling opening. Insulated trap door and lining. Guidance for specification option: Supplied with 63 mm thick insulation. Can also be supplied with a lining depth up to 860 mm, insert requirements. |
Material | Aluminium Guidance for specification option: Die-cast aluminium alloy. Wood Guidance for specification option: The lining and trap door are fabricated from 18 mm thick laminated wood. |