DIY Frequently Asked Questions / Step Ladder')">
A self-supporting device used for climbing that consists of two rectangular frames hinged at the top with one side containing the rungs for climbing.
Non-adjustable in length and folds closed for storage.
Available in increments from 2’ to 12’ in height.
Steps are flat and riveted and are generally 3” or more in width.
Most models include a top plastic platform on top for storing tools or loose fasteners.
Available in wood, fiberglass and aluminum construction in various duty (weight) ratings, with fiberglass considered the best construction of the three.
Quality classifications include consumer (household), commercial (mechanic) and industrial grades