The all new Resilient Sound Isolation Clip (RSIC)-SI-FF series is a full frame spring and rubber isolator. This series of spring isolators can be attached directly to concrete, Steel deck, or used mid-wire to support a hanger wire, drywall grid or cold rolled channel. The RSIC-SI-FF is available in several configurations with or without the rubber isolator. These combinations make the RSIC-SI-FF the highest preforming rubber and spring isolation system available for your noise control needs.