Water leak detection Inspection of walls Bathroom inspection Kitchen inspection Yard inspection Pool inspection Roof insulation method First / Clean the roof well Second / Make a joint with DCB material Third / Apply a layer of Sika 107 Fourth / Three coats of DCB material Fifth / Final coat of acrylic material Tank washing method First / Drain the water from the tank Second / Clean the tank well Third / Sterilize the tank completely with pipe cleaning And a free pest control spray will be applied