Columbus Flat Roof Wooden Folding Access Ladder

5 - 6 Weeks
Estimated Delivery 5 - 6 Weeks

The Columbus Flat Roof Wooden Folding Access Ladder is a fully weather proofed roof access system, complete with 3-part wooden folding ladder, timber hatchbox and trapdoor. Excellent German design from Columbus, means that difficult access to your flat roof area is a thing of the past.

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Due to the complexity and variations of this product, you will need to discuss your individual requirements with our technical department before proceeding. We will then be able to provide you with a price and specification that exactly suits your situation. Please use the contact form or telephone us during our normal office hours. We look forward to hearing from you.

01243 785 246

For international shipping, contact us to discuss your needs.

  • Waterproof upper cover clad with galvanised steel sheet.
  • The upper cover comes Insulated (40mm thick) and complete with an espagnolette bolt for locking. It is also fitted with a double rubber lip seal for secure closing.
  • Insulation of upper cover (U-Value Uo = 0.68 W/m²k).
  • Further grades of Insulation available for the upper cover - see Extra Options section.
  • The 3-part folding wooden loft ladder stores completely within the hatch box.
  • Suits floor to ceiling heights up to 3.15m.
  • Available in a range of standard opening sizes & made to measure sizes - see Technical Data section.
  • Comes supplied with 1 x Metal Handral as standard.
  • The trapdoor supplied is insulated (52mm sandwich construction) and is fitted with a sprung loaded catch (ring pull operated) for lowering and closing the door.
  • Insulation of trapdoor (U-Value Uo = 0.58 W/m²k).
  • The draught proofed timber hatchbox supplied is constructed from 19mm plywood (water repellent & fungicidal treated) and measures 750mm deep.
  • Deeper timber hatchboxes available - see Technical Data section.
  • Supplied with wooden architraves to enhance the finish.
  • Unit complete with protective ladder feet, operating pole & full Installation Instructions.
  • Tested to EN 14975 (European Ladder Standard) with a 150kg per tread resilience.
  • Air permeability Class 4 tested (by IFT Rosenheim in accordance with EN 12207 / 12114).
  • A range of addtional extras for the product available - see Extra Options section for details.
Columbus Flat Roof (Wooden Ladder) - Standard Sizes
Ceiling Height Structural Opening Size Hatchbox
Frame Height
Tread Width Tread Depth
Up to 2790mm 1200mm x 600mm 750mm 330mm 80mm
  1200mm x 700mm 750mm 330mm 80mm
  1300mm x 700mm 750mm 330mm 80mm
Up to 3090mm 1400mm x 700mm 750mm 330mm 80mm
# The prices for the above standard size units are located in the Extra Options section.

Columbus Flat Roof (Wooden Ladder) - Made to Measure Sizes
Floor to Ceiling Height: From 2200mm to 3150mm *
Opening Length Sizes: From 1100mm to 1600mm
Opening Width Sizes: From 530mm to 1000mm
Hatchbox Frame Depth Sizes: From 630mm to 1450mm
Ladder Tread Width Sizes: 330mm
Ladder Tread Depth Sizes: 80mm
# Prices for Made to Measure Units can be obtained by contacting the Sales Office on 01243 785 246

 Larger ceiling heights will require a more generous opening size.

Columbus Flat Roof (Wooden Ladder) - Extras
Products Price (£)
Flat Roof Loft Ladder (Ceiling Height: Up to 2790mm)
- Opening Size: 1200mm x 600mm // 1200mm x 700mm // 1300mm x 700mm
Hatchbox frame depth measures: 630mm
Flat Roof Loft Ladder (Ceiling Height: Up to 3090mm)
- Opening Size: 1400mm x 700mm
Hatchbox frame depth measures: 630mm
Made to Measure Units (see Technical Data section) P.O.A
100mm Insulation to Upper cover providing 
a U value = 0.31 W/m²k)
Hatchbox frame depths up to 1450mm available P.O.A
Top operating handle for upper cover P.O.A
Cylinder lock fitted to upper cover P.O.A
Upper cover with electrical heating system 
(used during winter conditions to melt snow)
Dehumidifier for the Hatchbox P.O.A
Safety Guard Rail for roof area P.O.A

Above Prices include VAT

This product is not on a 1-3 working days schedule.
It comes directly from our supplier as we do not hold stock.

This is a made to order / bespoke product (not marked as ‘Estimated Delivery 1-3 days’) and once the manufacturing process has been started, you will not be able to cancel your order. If a cancellation enquiry is made and manufacturing has not started then we will issue a full refund back onto the same payment type as the product(s) were first purchased.

The delivery timescale is referenced at the top of the product page and will be confirmed to you at the time of order. 

Please read our full terms and conditions regarding the delivery procedure.

The delivery will be made by a transport carrier organised by the manufacturer, so it is important that you provide a contact telephone number.
As the transport carrier will contact you 24 hours prior to the delivery being scheduled.
Deliveries are usually made between 8:00am to 6:00pm Monday to Friday (excludes Bank Holidays).

Orders can be placed on our website for delivery destinations within the UK Mainland (England, Wales and Scotland).
For delivery destinations situated in the Highlands & Islands, Isle of Wight, Channel Islands, Isle of Man and Northern Ireland, please contact our Sales Office by email - to obtain a transport costing for the product.

For European or most Worldwide delivery destinations please email our Sales Office - with your enquiry detailing the product you are interested in, together with your full delivery address and contact information.
We can then return a Quotation for the product and delivery costs once this has been sourced from the transport company.

Important - please read before purchase
It is your responsibility to ensure that any local authority approvals necessary have been obtained. This will vary according to your application and we advise you to always check before going ahead with a purchase.

Fixed Ladders, Space Savers, Spirals and Loft Stairs are covered in the building regulations and we recommend you confirm with the Local Building Control Department regarding their suitability for any project prior to specifying.

Therefore it is your responsibility to ensure that any local authority approvals necessary have been obtained. This will vary according to your application and we advise you to always check before going ahead with a purchase.

Many of our products have been widely used in the past in conjunction with Building Control, but the interpretation of the requirements for any particular situation remains solely with your Local Building Control Department.