Since Kolbet began its activities 35 years ago it has concentrated on the research and development of precast concrete techniques for prestressed concrete sleepers and the continuous improvement of production technology.

We guarantee the high quality of all our products made with the latest technology . We have certificate ISO 9001:2000 design and manufacture of concrete, reinforced concrete and prestressed concrete elements.

We make and supply precast concrete elements for railway and road construction.

We can deliver reinforced prestressed concrete sleepers for railways with spacing of 1435 mm or 1520 mm, in addition to flexible rail fastenings.

Our railway sleeper production system can always be adjusted to suit different rail fastening systems according to the needs of the customer.

On demand we are able to make prestressed sleepers for rail ways or switch according to customer specifications.

More then 10 million prestressed sleepers have been manufactured and delivered to our clients.

Ali our products have been tested and examined under extremely tough conditions in Poland and abroad.

Our offer:

• rail sleepers PS93
• rail sleepers PS93S
• concrete switch sleepers SP93
• platform edges
• rail road level crossing plates
• road plates
• concrete road barriers
• other prefabricated products