If you need a ladder for a particular task, you might want to know more about ladders in general. This may help in your choosing the right ladder for the job. For various tasks, the rigid ladder is the type often used. There are many types of rigid ladders, from the fixed type to the roof ladder type. The most basic of these is the fixed ladder; it has no moving parts. Extension ladders are often composed to two ladders where one can retract into the other for easy storage. Step ladders are joined by a hinge at the top of its inverted V form. A platform step ladder has, because of its name, a platform at the top. If you must climb up the roof or do some outdoor house painting, you need a roof ladder, which has a hook at the top, for easy latching on the roof. Aluminium is the preferred material for ladders, except those used for electrical work, for which fibreglass ladders are used.

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