Fits all standard trapezoidal sheeting. Optimized by static lateral screw. Quickly mounted. System structural analysis. Optimized storage. Minimum cost of materials. Unsupported trapezoidal sheet metal roofs do not always allow the connection of mounting systems to the substructure, but often provide adequate support strength for a quick and easy direct attachment. Especially sandwich elements provide sufficient stability in most cases in the upper shell and permit the other hand no penetration of fastening elements, as in condensation herd arise. Here offers a V-SingleFix unrivaled simple, minimizing material and quick mounting option.