ABOUT OPALSA Construction is a general construction company based in Adelaide South Australia. We rely on a dynamic and experienced team to take care of all new construction, renovation or transformation projects. We attach great importance to the satisfaction of our clients. Therefore we involve them in the decision-making process during all phases of the project. SERVICES Concrete & Reinforcement Reinforcement for concrete is provided by embedding deformed steel bars or welded wire fabric within freshly made concrete at the time of casting. The purpose of reinforcement is to provide additional strength for concrete where it is needed. Landscaping & Excavation Landscaping and excavation is the process of digging out dirt, rock, sand, stumps and other materials in the ground using tools, heavy machinery, or explosives. Excavation clears the way for landscape grading, site preparation, foundation construction and other important construction projects. Repair & Maintenance Opal SA Construction offers repair and maintenance services for your concreting work with great care and quality. Our services include resurfacing, sealing, removal, cutting and polishing. Other Services We provide other fresh construction and maintenances services for various residential areas like doorways, floors, walls, house slabs, foundations and footpaths.