US Patent 12012755 Tile system for ceiling and wall

A tile comprises a main body having an exposed side and a concealed side. The exposed side defines a main surface and the concealed side defines a rear plane. Side surfaces between the exposed side and the concealed side of the main body have tongue-and-groove arrangements in the rear plane. The main body is made of at least one layer of acoustic felt defining at least one of the exposed side or the concealed side. The at least one layer of acoustic felt has a main plane of at least one compressed portion, with at least one embossed portion projecting from the main plane of the at least one compressed portion.