Abdichtungssysteme · Materials & Systems
WHG sealing systems by a certified specialist company.
Facilities containing water-polluting substances place special demands on the sealing system. ENIG is a certified specialist company under the German Water Resources Act (WHG) and professionally installs suitable sealing systems using geomembranes.
Qualified specialist company
ENIG holds a certificate as a specialist company under the German Water Resources Act (WHG) as well as a test report as a specialist company according to AwSV (TÜV Thüringen). Both certificates are available for download below.
Installation and Documentation
WHG sealing systems using geomembranes are installed and welded by qualified specialist personnel. Quality control and documentation accompany the entire installation process.
Certificates
View our credentials.
- Audit report: Specialist company under AwSV (PDF, German)TÜV Thüringen · Audit of 05.05.2026
- WHG-certified specialist company certificate (PDF, German)Valid until 05/2028
- Certificate of exemption from construction withholding tax (§ 48b EStG) (PDF, German)Valid until 31.12.2027
- Proof of tax liability under § 13b UStG (PDF, German)Valid until 31.12.2027
Related topics
Personal consultation
Let's talk about your sealing project.
Julia HasertExecutive Assistant
Sandra SchröderOffice Management