Whether partial renovation or complete solution,

refurbishment or conversion,

repair or project management


The KTW Group
Your strong partner in building renovation!


"KTW-Sealtex" with DIBt approval

The KTW Group's range of services includes the repair of contaminated collection chambers with the newly developed highly elastic "KTW-Sealtex" surface sealing system with DIBt approval Z-59.31-403.

This recently approved system is installed by experienced and qualified specialists and is certified by the Zertifikat QMTÜV.

Abdichtung eines WHG-Auffangraums


SCC*:2011 re-certified

SCC Zertifizierung

KTW Umweltschutztechnik GmbH has been successfully recertified for its management system as per SCC*:2011 for another three years by TÜV Thüringen e.V.




Quality management in accordance with DIN EN ISO 9001:2015

Zertifikat QM

The KTW Group is certified in accordance with DIN EN ISO 9001:2015 for the "Provision of building renovation services" and applies the quality management system.

Highly elastic foundation sealing for wind turbines

- even at great heights -



Visit us:

StocExpo EUROPE in Ahoy, Rotterdam www.stocexpo.com


10. April 2018 in Hamburg
ACO Fachseminar
Gewässerschutz in Industrieanlagen – aus der Praxis für die Praxis 
mit praktischem Vortrag "Fugenabdichtung" durch die KTW
» Flyer zur Anmeldung


KTW at "heights" 

WEA Besteigung

KTW not only provides foundation renovation services, it is also at home at heights.