contractor painting black coal tar or bitumen at concrete surface by the brush, a foundation waterproofing for anti damp proofing

anti architecture bar barrier basement bitumen black block brush bucket built cement coal coating color concrete construction contractor covering damp digging dye equipment for foundation frame glove home house improvement industry insulate insulation liquid masonry material order painter painting people proofing protection reinforcement repairing steel structure surface tar tool uniform waterproof waterproofing watertight worker working