To wash away the fungal, moss, mould and lichen growth plus any dirt that the chemical wash has released from the roof surface. This ensures a sound base and sterile substrate is available for the AtomX™ Protective Coating System. Approximately 3,000PSI tip pressure aqua blast unit with a capacity of 18-23 liters per minute. A turbo tip is recommended.
The roof is checked for possible leaks. The surface is aqua blasted from top to bottom and the job is finished by cleaning slurry from the spoutings ensuring the building and grounds are cleaned and left in the condition they were prior to the work commencing.