Next were relocating to larger premises, and had to carry out a lot of work as part of the dilapidation required by the landlord. Some elevations had a considerable amount of moss, algae and lichen growth.
A suitable detergent was found to tackle the moss and algae. The elevation was thoroughly wetted before the application through a water fed brush head. Care was taken to ensure the detergent was not allowed to dry. The same delivery method was used to rinse the panels.