Project House, Solutions

Fold Down Counter Balance Stairs

Fold Down Counter Balance Stairs

Hi back again,

This month I would like to talk about fold up stairs. Not the rickety kind that is basically a ladder. Fold up attic stairs can be very convenient package, in that they achieve a lot. Trap door, fold down stairs & inexpensive. They are usually of a specific width to fit a joist opening, so can be quite narrow.

What I want to talk about is a fold down stair system that can be of substantial width (36″- 48″), that has structural integrity. A proper stairs, that also fold up.

At Z-DesignLab we designed the stairs & perfected its operation in the field and I have to say it works great, ticking all the design box criteria.

The stairs is hinged on one of the top threads, so this is the pivot point. By using 4 pulleys, a counter weight and a wire ripe, the stairs folds up and down effortlessly.

We have made a video that shows it all.

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All the best for now,


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3 thoughts on “Fold Down Counter Balance Stairs

  1. Hello what a fantastic project! i am inspired to build one in my home and was curious about the hinge that you used for the stair?
    thank you and keep up the good work!

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