Monotiki Kaltsas created in 2003 with the objective to provide high quality services in waterproofing and insulation issues of private and public projects with high quality materials, as well as the supply of specialized materials.

Having shown excellent examples of application in building projects, the Monotiki Kaltsas, undertook the construction of the biggest watertight in Thessaly, at the new building of the Police Directorate with 5,500 sq.m. films in basements and 1800 sq.m. in green roofs (roof garden) and surrounding areas.

It's an important year, after a multitude of projects, Monotiki Kaltsas certified by SIKA (Switzerland), as a certified partner and enforcer of specialized materials.

Following the upward trend, the company undertook the sealing part of tunnel in Tempe - Larisa, placing 35,000 sq.m. pvc membranes and building the waterproofing in more than 25 bridges on the road Larissa - Katerini.

This year, Kaltsas Company, applied for the first time in Greece, the Induction system, for the mechanical fixation of the waterproofing membranes without piercing the membrane. 

Kaltsas Company was certified by the American carrier Infraspection institute as certified thermograph with the possibility to perform thermographic inspections both in buildings and in Electromechanical facilities. 

In 2016, Kaltsas Company, built the first building of known food chain in Diavata at Thessaloniki, with new insulation and waterproofing roof systems, a total area of 2600 sq.m.