The most common and affordable type of stairs is a ladder. This type of stairs can be of 2 types: with index T and without index T. This index indicates that these stairs are preferable by telecommunication companies and do not have a large distance between the steps, of the order 25 centimeters, while a standard ladder (without the T index) has a distance between steps of 34 centimeters
This staircase also has its own peculiarity, up to a height of 2.8 meters, vertical guides are parallel to each other, which ensures smaller overall dimensions, and starting from a height of 2.8 meters, the stairs have an extension in the lower part, for a more stable position. The staircase can additionally be equipped with terminators, which are used in soft soils. For convenient use in wells the ladder can be additionally equipped with hooks
This is a multi-functional staircase that can replace you with 3 stairs! You can use it as an ordinary ladder, as a stepladder (only without a platform) and the third use case - as a sliding staircase. Staircase equipped with a height limiter, it sets the most necessary safe length. Two types of stairs: & nbsp; LSD-U 2x9 and LSD-U 2x11 are additionally equipped with a wide traverse, located across the stairs, for greater stability. These stairs are very compact, take up minimal space when storage and transport when folded.