Screedflo Acoustic Flooring Solution. Screedflo dB is the product of an intensive industry wide development programme, jointly funded by the major joist manufacturers and Screedflo Ltd, to provide a high quality, cost effective, acoustic solution for party floors. Using Screedflo dB gives the customer the ease of specifying the same acoustic floor system across all of their new build and renovation projects, regardless of construction method. Screedflo dB can be used with both I-beams and steel lattice joists in masonry, timber frame or steel frame, and with solid timber in renovation work. Screedflo dB comes as a complete package, with one company supplying every component in the system. To give additional confidence, Screedflo dB is the only system of its type where every component, including the screed, is CE marked. a solid concrete floor in a lightweight structure. Protecting the Environment. At Screedflo, we pride ourselves on developing systems that are environmentally sustainable. As well as benefitting from using Screedflo screed, the fibreboard that we use in the Screedflo dB system comes from fully sustainable sources and is FSC certified. This is the ultimate international certificate of sustainability in the timber industry. The polythene we use is also made from fully recycled materials.