Pressure washing or power washing is the use of high–pressure water spray to remove loose paint, mold, grime, dust, mud, chewing gum and dirt from surfaces and objects such as buildings, vehicles and concrete surfaces. … Machines that produce pressures from 750 to 30,000 psi (5 to 200 MPa) or more are available.
Facade cleaning safety checklist
Introduction 1 An extension would have obstructed at least one side of the building and impacted on the façade hierarchy. The new building appears…
