The Zedfold concertina roof access ladder conforms to DIN 4570 with a load bearing capacity of 200kgs per tread and an overall load bearing capacity of 500kg. The ladder and is manufactured from high strength die-cast aluminium alloy components.
The ladder is supplied with two heavy-duty counter-balanced springs incorporated into pivot brackets, to ensure that the access ladder can be raised and lowered with the minimum of effort.
The Zedfold can be supplied with a telescopic handrail generally fitted to the Right Hand side unless requested otherwise.
Please click on "More details" below for concise dimensions.
All model heights require a minimum clear opening width of 600mm and a clearance depth of 600mm. This is the size of the gap after installation.
For 9-Tread ladder each tread would be 350mm wide x 140mm deep. The maximum fixing height would be 2500mm
For 10-Tread ladder each tread would be 350mm wide x 140mm deep. The maximum fixing height would be 2790mm
For 11-Tread ladder each tread would be 350mm wide x 140mm deep. The maximum fixing height would be 3090mm
For 12-Tread ladder each tread would be 300mm wide x 140mm deep. The maximum fixing height would be 3390mm
Full fitting details can be viewed by clicking on the photo and selecting "next" option.
Please note, if the handrail option is selected when using within a void, any area will need to be notched out to accomodate as per the thumbnail drawing below.
Please note the loft hatch & springs are not included