The experts in precast hollow-core flooring and concrete wall solutions. Established in 1983 Echo boasts more than 30 years experience in the design manufacture, delivery and installation of hollow-core floors and walls, reinforced hollow-core concrete floor slabs and prestressed hollow-core concrete floors, security and retaining walls. Our precast hollow-core flooring solutions and advanced concrete slab technology sets us apart as an industry leader. We continue to expand our knowledge and services, ensuring solutions of the highest international standards.