The RSIC-1 ADM® mini Drop in Anchor clip designed for use with Concrete ceilings where noise control is required. The RSIC-1-ADM mini Drop in Anchor isolator is a labor saving adjustable mount ceilings. Drill a hole in the Concrete, Insert the mini drop in anchor, Set with setting tool and thread in the RSIC-1 ADM. To adjust the height, spin the isolator for a level ceiling. With an Acoustical design load rating of 36 lbs per isolator, the RSIC-1-ADM mini Drop in Anchor clip can support up to two layers of 5/8″ gypsum board when spaced at 24″ x 48″ oc., and 3 layers when spaced at 16″ x 48″ oc. The RSIC-1-ADM mini Drop in Anchor clip attaches directly to the bottom of the framing or concrete decoupling the gypsum board from the structure stopping STC and IIC vibrations from entering the space below.