The Better Way Of Doing Things!. Cleaning Contractors--Steam, Pressure, Chemical Etc. - Gosford West, NSW . Item: Footpaths, Shade Sails, Tiles. Service: Chemical Cleaning. Concern: Moss, Mould, Spider Webs. Material: Brick, Cement, Sandstone, Stone, Terracotta. Structure: Buildings, Factories, Homes. Use: Pre-sale