ARC is a concrete contractor providing concrete wall waterproofing and concrete wall repair in San Francisco and Marin counties. We offer a variety of options for repair and restoration of concrete walls, including expert reconstruction and renovation of concrete walls with rebar or ornamental concrete - repair of deterioration, sealing the concrete and restoring the structure to it's original beauty. We use epoxy injection which is a permanent bond to the original concrete and will last for decades. We also perform spall repair and repair other localized concrete damage.