Commercial Ladders

At Attic Group we have an extensive range of commercial attic ladders

Columbus Attic Ladder

columbus commercial attic ladder

This heavy-duty commercial concertina ladder is alloy made. It has a mounted box and laminated hatch for commercial applications. 

Perfect for safe and easy internal access for storage or to access air-conditioning, telecommunications, electrical or other equipment.

Columbus Ladder Brochure

Buy Columbus Attic Ladder


Customer Profile

1 Domestic customers who want the maximum in strength and load capacity

2 Commercial customers who want a heavy duty ladder for safe and easy specific internal access for stroage or to access air-conditioning, telecommunications, electrical, plant or other equipment

Customer Benefits

1 German engineered to comply with DIN 4570 standards

2 Easiest opening commercial ladder

3 Range of height applications for maximum convenience

4 Top step mounted in box for easy exit from ladder

5 Wide, deep non-slip treads and gentle 65º ladder angle means safe, easy climbing

6 Articulated hatch offers maximum climbing safety

7 Wide 700mm opening in choice of various lengths give maximum everyday access and fits space constraints

8 Construct with all alloy and plated parts for strength, durability and reliability

9 Adjustable double heavy duty tension and control springs and heavy duty hinges to give you easy safe opening and closing operation

10 Heavy duty 19mm laminar timber hatch frame for strength and sound and thermal insulation

11 Strong, stable 200k per step load capacity for long life with heavy or commercial use

12 Handrail is standard for additional climbing stability


1 Heavy duty construction in lightweight alloy

2 19mm laminated ceiling panel

3 Alloy and plated metal parts

4 Plated adjustable balance springs

5 Wide non-slip step treads and gentle 65º slope

6 Moisture resistant 19mm laminated casing

7 Generous sized ceiling openings

8 Available to reach up to 4.3 metre ceilings

9 Safety handrail can be fitted to either side

10 Complete pre-assembled from factory

Technical Specifications

Model Opening Floor Ceiling Standout Foldout
Stnd. 9 700x1200mm Up to 2500mm 1200-1350mm 1450mm
Stnd. 10 700x1200mm Up to 2790mm 1300-1450mm 1550mm
Stnd. 11 700x1200mm Up to 3090mm 1340-1460mm 1700mm
Small Box 12 700x1000mm Up to 3390mm 1360-1490mm 1800mm
Stnd. 12 700x1200mm Up to 3390mm 1360-1490mm 1800mm
Stnd. 13 700x1300mm Up to 3690mm 1380-1520mm 1900mm
Stnd. 14 700x1500mm Up to 3990mm 1400-1550mm 2000mm
Stnd. 15 700x1500mm Up to 4300mm 1420-1580mm 2100mm


Depth 135mm Concertina 1200-1450mm 1200-1450mm
Thickness 28mm Concertina 460mm 250mm
Width 315mm Concertina 700mm 700mm
Weight 43-75 kg
Load Capacity 200 kg per step