ArtUSA’s Grommet Kit makes for easy installation of ArtUSA’s Acousti-Curtain™ Frame Enclosure. Designed for installation of Acoustical Curtain Enclosures. Floor, suspended, ceiling, beam and wall mounted systems. Heavy-Duty structural steel systems available. Double track systems allow for slide-open access. CAD drawings provided for easy and accurate installation. Bolt-in type frames must have all voids in head and jambs packed with 6 to 12-pound density mineral wool and all voids between wall and frame continuously caulked.