Abstract: A support frame for a suspended ceiling assembly comprises a grid pattern having a plurality of main beams with opposing sides and an upper face and a plurality of cross beams with an upper face and opposed ends joined to an opposing side of the main beam; at least one of the upper faces of the main and cross beams having a guiding member; and at least one anchoring member mounted to the guiding member and displaceable therealong, the at least one anchoring member being adapted to mount the grid pattern to a ceiling.