Looking for a ladder? Here’s some info to help you find the right one. The all-around ladder is the rigid ladder, and it’s often used for many tasks. Rigid ladders come in many varieties, from the fixed to the roof ladders. The fixed ladder is the most plain of these and has no moving parts. Extension ladders are the type that can be lengthened, since one part is nested in the other for storage. Joined by a hinge at its top, and often forming an inverted V, are step ladders. A platform step ladder has a platform at the top. Ladders that have hooks to set them locked on the roof are called roof ladders. Aluminium is often the preferred material for ladders, except those used for electrical work, for which fibreglass ladders are used.
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