HI 159 Aluminium Self Support Extension Ladder

The meaning of EXTENSION LADDER is a ladder consisting of usually two sections arranged so that they fit together or extend on a sliding mechanism almost toExtension Ladder. The Extension Ladder is a non-self-supporting portable ladder that is adjustable in length. It consists of two or more sections that travel in guides or brackets so arranged so as to permit length adjustment. It is intended for use by one person.An extension ladder is a non-self-supporting portable ladder adjustable in length. It consists of two or more sections traveling in guides or brackets so arranged as to permit length adjustment. Its size is designated by the sum of the lengths of the sections measured along the side rails.Ladders come in a range of styles to suit the different jobs they can be used for: Single Pole Ladders (maximum length 9 metres) Extension Ladders (maximum length 15 metres) Step Ladders (maximum height 6.1 metres) Dual Purpose Ladders (stepladder hinged to provide an extension)