Industry standards to keep you safe
We will always work to the ‘Four-in-One’ rule, which is an industry architects’ standard when it comes to ladder inclines – allowing safe and comfortable use. This rule translates very basically as in the diagram below: We calculate the overall length of the ladder based on the two measurements below. The known height of the ladder rail from the floor = ‘X’. This measurement is then used to define the distance from the wall/bookshelf that the ladder will be positioned on the floor (X ÷ 4). From these, we can calculate the ladder length.
If you have a bespoke library ladder project and would like to talk through your requirements, please get in touch… we love a challenge! To view a selection of our standard ladder hardware components, please visit our “Shop-Ladders” page.
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