How does this system works?

Nature of Outdoor Cleaning 

Remove stubborn materials (mostly soils) on a surface may be a tough job. Soil is a cohesive and it will develop a shearing (slide) resistance when it has been compacted a lot. Our expertise of pressure washing have the background of soil mechanism, they are familiar with what factors can make soils fail faster. In addition, We know how to do the job more effective by controlling PH value on its surfaces.