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Columbus Flat Roof Ladder

Concertina Loft Ladders

Price from £2,600.00 Includes VAT + FREE Delivery

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Commercial Ladders Direct is delighted to offer the DSC Exit, the only roof exit ladder in its range which incorporates the tradition of German development and design. The unit includes the heavy duty aluminium alloy concertina loft ladder the DSC, complete with loft access hatch, lining frame and steel covered roof hatch. Fully draught and weatherproof, the DSC Exit is an excellent choice for any roof garden, plant room or as a means of escape; ensuring maximum comfort with classic durability and modern design.

    • Waterproof upper cover clad with galvanized steel sheet.
    • The upper cover comes Insulated and complete with an espagnolette bolt for locking and is fitted with a rubber lip seal for secure closing.
    • Insulation of upper cover (U-Value Uo = 1.10 W/m²k).
    • The Concertina loft ladder is manufactured from die-cast aluminium and stores completely within the hatch box.
    • Comes with a Telescopic Handrail fitted to the right hand side as standard.
    • Ladder tread width: 200mm, 250mm, 300mm or 350mm (dependent on opening width dimension).
    • Ladder tread depth: 140mm.
    • Larger tread widths available up to 580mm (dependent on opening width dimension).
    • The draught proofed timber hatchbox supplied is constructed from 19mm plywood (unfinished) and measures 620mm deep.
    • The trapdoor supplied is Insulated (52mm sandwich construction) and it is fitted with a sprung loaded catch (ring pull operated) for lowering and closing the door.
    • Insulation of trapdoor (U-Value Uo = 0.80 W/m²k).
    • Unit complete with Operating Pole & Full Installation Instructions.
    • A 2nd Telescopic Handrail is available for the unit (price below).
    • Tested to EN 14975 (European Ladder Standard) with a 200kg per tread resilience.
    • 30 minute and 90 minute fire rated options available

  • Made to Measure sizes are available - (Price on Application)
    Opening Sizes start from 905mm (length) x 550mm (width)
    and range up to 1600mm (length) x 940mm (width).
    The maximum floor to ceiling height reachable with the DSC Exit is 4300mm.
    N.B. Larger ceiling heights will require a more generous opening size.


DSC/E Standard Sizes
Ceiling HeightOpening SizeCasing HeightTread Width*Price (£)

up to 2790mm
1200mm x 600mm 620mm 250mm £2600.00
1200mm x 700mm 620mm 350mm £2600.00
1300mm x 700mm 620mm 350mm £2600.00
1400mm x 700mm 620mm 350mm £2600.00
Above Prices exclude VAT

* Tread Width is dependent on the width of the opening that is chosen for the unit.


Available Options for the DSC Exit
Telescopic Handrail £47.50 (each)
Handrails fitted inside of the Hatch box Price on Application
Upper cover clad with aluminium or titanium-zinc sheet Price on Application
Double lip seal and Insulation fitted to upper cover for better
energy saving
Price on Application
Top operating handle for upper cover Price on Application
Cylinder lock fitted to upper cover Price on Application
Upper cover with electrical heating system 
(used during winter conditions to melt snow)
Price on Application
Wood preservation for the Hatch box Price on Application
Electrically operated concertina stair and roof hatch
- Requires a minimum opening size (Details on request)
Price on Application
Fire Rated Options (30 & 90 mins) Price on Application
Above Prices exclude VAT


Please call for more information.
  • Ladder tread depth: 140mm to 580mm
  • Insulated and waterproof cover
  • Die-cast aluminum ladder
  • Insulation details: U-Value Uo = 1.10 W/m²k
  • Tested to EN 14975
  • 30 & 90 minute fire rated options
  • Ladder tread width: 200mm to 350mm
  • Telescopic handrail included
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