For over the last 50 years, Sotecnisol led the waterproofing market in Portugal and has grown a strong presence in other countries, namely in tunnel drainage and water proofing with PVC membranes. 

Sotecnisol has already waterproofed more than 5 million square meters of tunnels, for Railway, Road, Pedestrian, Metropolitan, Drainage and Mining use, including stations, ventilation shafts and all associated installations, whilst ensuring the execution of drainage affecting waterproofing. 

For over the last 50 years, Sotecnisol has also performed all types of waterproofing services, including Tunnels drilled by NATM-New Austrian Tunneling Method or D&B - Drill&Blast, with the most diverse design solutions, studying and presenting all the alternatives that meet with the client's objectives. 

Sotecnisol 's 50 years of experience and recognition within the national and international market comes from its Engineering and Execution capacity, combining Technical Knowledge and Know-How. 

Sotecnisol has developed its own parts and appliances, which have been improved over its 5 decades of existence, in order to ensure the best performance. 

Sotecnisol's extensive experience, know-how and competitiveness in the area of ​​waterproofing and tunnel drainage have been the factors for its success for over these past 50 years. 

Sotecnisol carries out waterproofing services for tunnels in any place in the world, and is currently present in Portugal, Spain, Algeria, Morocco, Ivory Coast, Cameroon, Angola and Mozambique. Besides that, Sotecnisol is bidding for various contracts in several countries, located mainly in Europe, Africa and Latin America. 

Contact us: 

geral@sotecnisol.pt 

valdemar.lebre@sotecnisol.pt 

https://www.sotecnisol.pt/engenharia-e-ambiente/obras-subterraneas/impermeabilizacao-de-tuneis/impermeabilizacao-de-tuneis/