Profile: Balvac Ltd. specializes in civil engineering and structural repair services. We are an ISO 9001 and 14001 certified company. Our services include diagnostic testing, concrete repair and protective coatings, vacuum-assisted resin injection, leak-sealing & crack injection, sprayed concrete, stitching & grouting of masonry, and installation of cathodic protection systems. Our cathodic protection systems provide constantly adjustable protection against corrosion, and can also be applied to steel frame buildings where the frame is encased in masonry or brickwork with reasonably consistent contact between the mortar & the steel.