New from Delta Bloc is the firm’s Phono bloc sound barrier system, which is said to be quick and easy to install. This product is available in various colours as well as designs, if required, and features high performance noise attenuation capabilities, according to the firm. The triple-layered panels can be configured with external designs for architectural or information purposes. The outer layers of the panels are made from concrete and an automated mold inlay system allows indivualised designs to be mas