Water tank e.g. rain barrel, for use in e.g. frost-endangered area, has base region, wall region and connecting region that are flexibly formed and provided for collecting water contained in tank during freezing

摘要

The tank (1) has a base region (2), a wall region (4) and a connecting region (3) provided between the base region and the wall region, where the base region, the wall region and the connecting region are flexibly formed and provided for collecting water contained in the tank during freezing. The base region, the wall region and the connecting region are formed from flexible stabilization elements coated with a foil. A non-adhesive coating is provided inside the tank. The wall region is non-circular in cross section.