Wall and floor building materials of plastic, rubber, plaster, lime, cement or synthetic materials; plastic building materials, namely, boards; synthetic building materials; asphalt, and asphalt building or construction materials; rubber building or construction materials; plaster for building purposes; lime building or construction materials; building or construction materials of plaster; cement and its products; sheets comprised of cement and synthetic resin for use in repair, reinforcement and/or protection of cement or concrete constructions and structures; sheets comprised of cement, synthetic resin and synthetic fiber for use in repair, reinforcement and/or protection of cement or concrete constructions and structures; building or construction materials comprised of cement and synthetic resin; building or construction materials comprised of cement, synthetic resin and synthetic fiber; sheets comprised of cement and synthetic resin for use in building or construction; sheets comprised of cement, synthetic resin and synthetic fiber for use in building or construction; building or construction materials in sheet form, not of metal; sheets comprised of cement and synthetic resin for use in repair, reinforcement, protection and/or leak-prevention of buildings or structures; sheets comprised of cement, synthetic resin and synthetic fiber for use in repair, reinforcement, protection and/or leak-prevention of buildings or structures; sheets comprised of cement and synthetic resin for use in repair, reinforcement, protection and/or leak-prevention of roofs; sheets comprised of cement, synthetic resin and synthetic fiber for use in repair, reinforcement, protection and/or leak-prevention of roofs; roofing in sheet form comprised of cement and synthetic resin; roofing in sheet form comprised of cement, synthetic resin and synthetic fiber; sheets comprised of cement and synthetic resin for use in repair, reinforcement, protection and/or leak-prevention of walls; sheets comprised of cement, synthetic resin and synthetic fiber for use in repair, reinforcement, protection and/or leak-prevention of walls; wall materials in sheet form comprised of cement and synthetic resin; wall materials in sheet form comprised of cement, synthetic resin and synthetic fiber; sheets comprised of cement and synthetic resin for use in repair, reinforcement and/or protection of gutters; sheets comprised of cement, synthetic resin and synthetic fiber for use in repair, reinforcement and/or protection of gutters; sheets comprised of cement and synthetic resin for use in repair, reinforcement and/or protection of water supply pipes and sewage pipes; sheets comprised of cement, synthetic resin and synthetic fiber for use in repair, reinforcement and/or protection of water supply pipes and sewage pipes; sheets comprised of cement and synthetic resin for use in repair, reinforcement and/or protection of manhole covers; sheets comprised of cement, synthetic resin and synthetic fiber for use in repair, reinforcement and/or protection of manhole covers; sheets comprised of cement and synthetic resin for use in repair, reinforcement and/or protection of pipelines; sheets comprised of cement, synthetic resin and synthetic fiber for use in repair, reinforcement and/or protection of pipelines