Paint keel is commonly used as a material on the ceiling.Its role and aluminum keel is same, and for aesthetics, from a support role. Accompanied the calcium silicate board and acoustic board. Our company also can supply gypsum boad,PVC gypsum board,Caculum Silicate Board,Ceiling Grids etc. Paint keel Specification: (height*width*length) 38*24*3000mm 38*24*3600mm 32*24*3000mm 32*24*3600mm (height*width*length) 32*24*600mm 32*24*1200mm 26*24*600mm 26*24*1200mm calcium silicate board As ceiling board,the ordinary specification is 595mm*595mm*5mm. mineral wool acoustic board As ceiling board,the ordinary specification is 595mm*595mm*5mm.