A device for treating a target surface, such as occurs when cleaning a window. The device has plural squeegee blades (27) joined by a head. The head has a slot therethrough. A sheet (32) may longitudinally move over one or more than one of the blades to renew its surface before, during or after use. Each squeegee blade (27) may have a dedicated sheet. The sheet (s) may travel through the slot to originate from or be stored within the head.