Concrete is probably utilized in the construction technique since the 3rd millennium BC.

POLYETHYLENE has been synthesized at the end of the 19th century.

Since then Polyethylene, in hydraulic systems, reached and exceeded
concrete in terms of reliability, performance and, above all,
respect for the environment.

HOFIT has played a major role in developing and bringing to
the Market the HDPE Manhole, offering to the Customers
and End Users all the advantages of this material.