The intend of the telescopic manhole is to achieve high performance in plumbing, electrical and telecommunications systems. Advantages of the manholes are: easy access, quick installation, easy adjustable height, input from all sides, protection from freezing.
Telescopic manhole is consisted from
Telescopic extensions can be used for extending the telescopic base and every Interhol cover. It ends with circle 600mm and square 600×600 mm.