Formlining

Design of the concrete surfaces

Sichtbeton Schalungsplatte
Through the selection of the formlining, a large number of design possibilities for the concrete surface structure are possible. In the process, the formlining determines the surface character of the concrete - independent of any subsequent processing or treatment. The person writing the tender documents must have detailed knowledge of the formlining together with the material properties, coatings and processing as well as the interaction with the release agent and the fresh concrete, and take this into account during the planning. The specifications of the concrete surface must be well-defined so that the contractor can take into consideration all aspects relevant to the materials and applications without any risk when selecting the formlining to be used. Furthermore, he must be able to assess the feasibility and to point out any expected tolerances and fluctuations in the results.
Four formlining factors which have a decisive influence on the concrete surface:

Concrete surface light/dark
Surface texture (structure)
Concrete surface texture
Formlining joints
Grid arrangement of the concrete surface
Fixing of the formlining
Impressions on the concrete surface

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