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Shades Gypsum Ceiling Tiles are laminated gypsum ceiling with washable vinyl facing and Aluminum Foil backing while Perforated Gypsum Ceiling Tiles are laminated gypsum ceiling with washable vinyl facing and a perforated surface. The perforation can vary with different types of patterns and sizes to achieve varying levels of sound absorption. Painted Perforated and Painted Non-Perforated Gypsum Ceiling Tiles is a gypsum ceiling painted with water-based paint with matt finish. The back side of Perforated and Painted Perforated Gypsum Ceiling Tiles is covered by an acoustic backer for high acoustic performance.