Downloads & Certificates
Here you can download all current documents and certificates.
Kerasal Certificate
Here you can download the certificate of suitability for sprayed mortar/sprayed mortar work in accordance with DIN 18551 with products from the Kerasal range
Certificate of exemption
We are currently making the exemption certificate granted to us by the Wiesbaden tax office for tax deductions on construction services in accordance with Section 48b (1) sentence 1 of the Income Tax Act (EStG) available for you to print out and/or download.
DIN EN ISO 9001:2015 certificate
Download the DIN EN ISO 9001:2015 certificate here (valid until 5 April 2027):
Approval according to W 316
Here you can download the certification as a specialist company in accordance with DVGW worksheet W 316 / Wiesbaden:
Approval according to W 316
Here you can download the certification as a specialist company in accordance with DVGW worksheet W 316 / Dresden branch:
GÜB certificate
You can download the GÜB quality assurance mark here
WHG certificate
Download the WHG certificate for GÜB here
Customer satisfaction evaluation 2021 & 2022
Here you can download the evaluation of our customer satisfaction for the years 2021 and 2022.
Certificate for slotted blades
Here you can download the suitability certificate for reinforcing concrete components using CFRP lamellas bonded into slots in accordance with the DAfStb guideline.
Certificate for bonding CFRP lamellas
Here you can download the certificate of suitability for reinforcing concrete components by bonding CFRP lamellas or steel straps in accordance with the DAfStb guideline.
MHAVO certificate
Here you can download the certificate of suitability in accordance with the Model Manufacturer and User Ordinance (MHAVO).
Hesse-Thuringia Higher Regional Court
Here you can download proof of our membership in the Landesgütegemeinschaft Erhaltung von Bauwerken Hessen-Thüringen e.V. (Hesse-Thuringia State Association for the Preservation of Buildings).
LGGHuT Saxony and Saxony-Anhalt
Here you can download proof of our membership in the Saxony and Saxony-Anhalt State Quality Association for the Repair of Concrete Structures (Landesgütegemeinschaft Instandsetzung von Betonbauwerken Sachsen und Sachsen-Anhalt e.V.).
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