Connect the Universal Light Cove Drywall Knife Edge trim to the suspended ceiling grid using the Ceiling Grid Clips that are provided. Rotate the Ceiling Grid Clip into the slots on the back of the Light Cove Edge trim and tighten the lock screw. Then attach the, 45 Degree Ceiling Grid Clip, to the acoustical ceiling grid. Placement of the grid's hanger wire must not be more than 12 inches from where the trim connects to the grid. Distance between grid attachments must not exceed 48 inches. Gypsum Board should be attached to suspended ceiling track and laid flush against the lower leg of the ULDK. Apply compound joint over the flange and feather accordingly. Use the Ceiling Cloud Trim Splices included to connect one piece of trim to the next for level and clean butt joints. All Strata Cloud trims must be cut accurately and installed with tight, neat joints. Manufacturer recommends that a carbide tip blade along with blade lubricant be used when cutting any aluminum trim