Gypsum Board: 1)Standard board; 2)Fire-resistant board; 3) Water-resistant board. Gypsum board edge: 1)tapered edge (recessed edge) 2)square edge (straight edge ) Color of the surface protective paper: 1)White-usually for standard board 2)Red-usually for fire-resistant board 3)Light green-usually for moisture resistant board 4)Light blue-usually for moisture resistant board 5)Other colours upon your detailed request. Specification(mm) 1200*2400*9.0 1200*3000*9.0 1200*2400*9.5 1200*3000*9.5 1220*2440*9.5 1200*2400*10 1200*3000*10 1220*2440*10 1200*2400*12 1200*3000*12 1220*2440*12 1200*2400*12.5 1200*3000*12.5 1200*2400*15 1200*3000*15 We would be also glad to offer other size of production upon your detailed request. Jointing compound: Five kilo grams per bag, paper bag packing. Channel: Steel keel: All kinds dimension of channel.