Assemble fireplace. Use red icing to attach side walls of fireplace to front of fireplace, making sure the fireplace sits level. Attach mantel to top, even with front of fireplace (there was a gap about ¼ in. at back of mantel). Roll out red fondant 1/16 in. thick, cut a strip ½ x 4 ¼ in. Attach to front of fireplace following curve of opening use a toothpick to score brick marks every ½ in. Attach bricks to corners of fireplace folding over corners. Allow fireplace to dry for 1-2 hours. Use icing to attach fireplace to brick wall, make sure the fireplace and wall sit level.