Samples under test
Summit ladder types and the load on each step.
Heavy duty and industrial A-frames, and the extension push-up range. Every step has a preset. Crest copies that limit onto the test when you start, so a later change to the table does not rewrite a certificate.
Professional
Heavy Duty Aluminium A-Frame
Heavy duty aluminium A-frame for site and workshop use. Each step is strained to the professional strength-test load.
| Step | Preset limit | Hold | Reference |
|---|---|---|---|
| Step 1 | 2700 N | 275.3 kg | 60 s | EN 131-2 professional strength test, held for 60 seconds |
| Step 2 | 2700 N | 275.3 kg | 60 s | EN 131-2 professional strength test, held for 60 seconds |
| Step 3 | 2700 N | 275.3 kg | 60 s | EN 131-2 professional strength test, held for 60 seconds |
| Step 4 | 2700 N | 275.3 kg | 60 s | EN 131-2 professional strength test, held for 60 seconds |
| Step 5 | 2700 N | 275.3 kg | 60 s | EN 131-2 professional strength test, held for 60 seconds |
| Step 6 | 2700 N | 275.3 kg | 60 s | EN 131-2 professional strength test, held for 60 seconds |
| Step 7 | 2700 N | 275.3 kg | 60 s | EN 131-2 professional strength test, held for 60 seconds |
| Step 8 | 2700 N | 275.3 kg | 60 s | EN 131-2 professional strength test, held for 60 seconds |
| Platform | 2600 N | 265.1 kg | 60 s | EN 131-2 vertical load on the platform, held for 60 seconds |
Professional
Industrial Duty Aluminium A-Frame
Industrial duty aluminium A-frame. Same proof load as the heavy duty range, recorded per serial number and step.
| Step | Preset limit | Hold | Reference |
|---|---|---|---|
| Step 1 | 2700 N | 275.3 kg | 60 s | EN 131-2 professional strength test, held for 60 seconds |
| Step 2 | 2700 N | 275.3 kg | 60 s | EN 131-2 professional strength test, held for 60 seconds |
| Step 3 | 2700 N | 275.3 kg | 60 s | EN 131-2 professional strength test, held for 60 seconds |
| Step 4 | 2700 N | 275.3 kg | 60 s | EN 131-2 professional strength test, held for 60 seconds |
| Step 5 | 2700 N | 275.3 kg | 60 s | EN 131-2 professional strength test, held for 60 seconds |
| Step 6 | 2700 N | 275.3 kg | 60 s | EN 131-2 professional strength test, held for 60 seconds |
| Step 7 | 2700 N | 275.3 kg | 60 s | EN 131-2 professional strength test, held for 60 seconds |
| Step 8 | 2700 N | 275.3 kg | 60 s | EN 131-2 professional strength test, held for 60 seconds |
| Platform | 2600 N | 265.1 kg | 60 s | EN 131-2 vertical load on the platform, held for 60 seconds |
Professional
Aluminium Extension Push-Up
Extension push-up ladder. Pick the rung under test. Crest strains that rung to the professional strength-test load.
| Step | Preset limit | Hold | Reference |
|---|---|---|---|
| Rung 1 | 2700 N | 275.3 kg | 60 s | EN 131-2 professional strength test, held for 60 seconds |
| Rung 2 | 2700 N | 275.3 kg | 60 s | EN 131-2 professional strength test, held for 60 seconds |
| Rung 3 | 2700 N | 275.3 kg | 60 s | EN 131-2 professional strength test, held for 60 seconds |
| Rung 4 | 2700 N | 275.3 kg | 60 s | EN 131-2 professional strength test, held for 60 seconds |
| Rung 5 | 2700 N | 275.3 kg | 60 s | EN 131-2 professional strength test, held for 60 seconds |
| Rung 6 | 2700 N | 275.3 kg | 60 s | EN 131-2 professional strength test, held for 60 seconds |
| Rung 7 | 2700 N | 275.3 kg | 60 s | EN 131-2 professional strength test, held for 60 seconds |
| Rung 8 | 2700 N | 275.3 kg | 60 s | EN 131-2 professional strength test, held for 60 seconds |
| Rung 9 | 2700 N | 275.3 kg | 60 s | EN 131-2 professional strength test, held for 60 seconds |
| Rung 10 | 2700 N | 275.3 kg | 60 s | EN 131-2 professional strength test, held for 60 seconds |
| Rung 11 | 2700 N | 275.3 kg | 60 s | EN 131-2 professional strength test, held for 60 seconds |
| Rung 12 | 2700 N | 275.3 kg | 60 s | EN 131-2 professional strength test, held for 60 seconds |
| Rung 13 | 2700 N | 275.3 kg | 60 s | EN 131-2 professional strength test, held for 60 seconds |
| Rung 14 | 2700 N | 275.3 kg | 60 s | EN 131-2 professional strength test, held for 60 seconds |