Through special tests for technical approvals the suitability of construction products (e.g. cements and concretes) for specific areas of application can be demonstrated. We carry out tests for the following approvals:
- National technical approvals (abZ)
- European Technical Assessments (ETA)
- KOMO-attests with product certificates in accordance with CUR 48
Our service range comprises all stages of the approval procedure, such as the application, the compilation and implementation of the testing programme, the preparation of the technical report and expert opinion on the suitability of the product. For special construction projects accompanying self-supervision and third party inspection concepts are being provided to ensure the quality of the constituents and the building materials. Special concrete and mortar mix formulations (e.g. for self-compacting concrete, high strength concrete etc.) can be developed upon customer’s request and, depending on the intended application, be investigated and tested with standardized test methods or with tests specific to the respective task.
VDZ generates expert opinions in order to analyse damages on concrete constructions respectively to prevent damages in advance. For this, the well-equipped concrete laboratory offers a large variety of possibilities. For example, aggregates or concrete compositions are tested to answer the question whether one has to expect adverse affection of the durability, e.g. due to a harmful alkali-silica reaction (ASR) or a lacking freeze-thaw resistance. Furthermore, the service range also comprises the preparation of Life Cycle Assessments including the generating of Environmental Product Declarations (EPD) for cement and concrete. Our laboratory has modern technical equipment and is accredited according to EN ISO/IEC 17025 to carry out a variety of tests on concrete and aggregates.
