Image: M-Boss Inc. Vineyards Aluminum Ceiling Panel with Mill Finish -- 24 3/8 in. x 24 3/8 in. (Nail-up), 23 7/8 in. x 23 7/8 in. (Lay-in) Sizes -- Available in 11 Finishes

M-Boss Inc. Vineyards Aluminum Ceiling Panel with Mill Finish -- 24 3/8 in. x 24 3/8 in. (Nail-up), 23 7/8 in. x 23 7/8 in. (Lay-in) Sizes -- Available in 11 Finishes