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NEBULOUS CLEANING


1. This cleaning is performed in two stages:

1) Preliminary Pre-soaking
2) Rinse-down

2. Use a pre-soaking sprinkler system to discharge fine jets of water at low pressure evenly over the stone surface.

3. Move the pre-soaking unit(s) down the face of the building in vertical sections/drops by way of a system similar to that used for swing stages.

4. Once pre-soaking has effectively lifted surface soil and grime from the stone, the rinse-down procedure shall commence.

5. Rinse down stone surfaces by using pressurized water-spraying equipment.

6. Execution and duration of cleaning period will vary from one area to another depending upon the degree of surface soiling.