Abstract: A roof deck including a structural panel, a sound-absorbing media and a plurality of clips. The structural panel includes a bottom member, an upper member and a receiving cavity therebetween. The clip includes a body having a first side and a second side, a step portion, and a first prong member projecting outward from the first side of the body. At least one clip is inserted into the sound-absorbing media which is placed into the receiving cavity of the structural panel.

Abstract: A restraint clip for suspending a load-bearing object includes an engaging member having a body defining an engaging member hole, two abutting surfaces, and two non-abutting surfaces; a lock having a lock body with a base defining a lock hole spatially aligned with the engaging member hole, wherein the lock coacts with the engaging member; a fastener extending along a longitudinal axis threadably engaged with the engaging member hole engaged with the lock hole and threadably engaged with a threaded stop hole, whereby the engaging member is adapted to move along the longitudinal axis relative to the fastener when the fastener is rotated about a longitudinal axis.