Frequently Asked Questions

Can the Tetra system be used on an unsecured ladder?

No, if a secure fixing cannot be established, then the Tetra ladder systems should not be used, and an alternative safe access method should be sought.

Do you have to drill holes every time the ladder is moved?

No, with our 6 mtr Triangulation straps, the ladder can be moved across a property with only 2 holes. See Triangulation process.

Can your systems be used by a lone worker?

Yes, The Tetra ladder safety systems are designed to be used by lone workers. However, certain tasks can work more effectively with two person teams.

Can Tetra systems be used on any ladder?

Tetra ladder safety systems have been tested with the majority of most manufacturers industrial ladders. We would only recommend the use of our system with EN131 professional, previous EN131 Trade / Industrial aluminium ladders with a minimum rating of 150Kg, Class 1 Aluminium or Glass Fibre Ladders used in the utility industry which exceed the 150KG standard. Please contact us for advice on telescopic ladders.

Short duration / Maximum time on ladders in one position?

Once ladders have been selected through a risk assessment, as the most appropriate access equipment, In LA455 it states that ladders must only be used for short duration low risk tasks in one position for 30 mins. 30 minutes comes from the ladders project team at the HSE timing how long it takes to paint a window.

Is there a maximum height for ladders?

There is no maximum height for using a ladder, where a ladder rises 9 metres or more above its base, landing areas or rest platforms should be provided at suitable intervals.

The tested height of the Tetra system is 6 metres, after which we recommend the usage of a secondary eyebolt. To ensure this is clearly communicated the following statement is included within both our candidate and instructor training material.

What is the optimum position for the ladder bolt?

The optimum position for the bolt is between waist and shoulder height.

Can you use Tetra systems on a property with external wall insulation?

Yes, see low level fixing process

If you have any more questions, please get in touch.