ALTA Waterproofing serves the Maryland, Virgina and Washington, DC area. We specialize in the installation of waterproofing, air barrier systems, traffic coatings, concrete sealers, joint sealants, expansion joint systems, epoxy & urethane injections and concrete repairs for all types of structures. Services in new construction as well as renovations and repairs. Structures include office buildings, parking garages, sport facilities, residential high rises, educational facilities, health facilities, government facilities, educational facilities, manufacturing facilities and industrial facilities.