discuss the facing materials used to create the wallboard it is appreciated that any suitable facing material including but not limited to fiberglass can be used to create the wallboard as the bottom cover paper 21 a leaves its point of origin it travels along a conveyor roller belt or other like system 13 to a point where its edges are scored and upturned at substantially right angles with respect to the otherwise horizontally oriented bottom cover paper methods and devices for creating such upturned edges on cover paper on the fly are well known in the art and any such methods and devices for performing this function may be utilized a stucco slurry 12 is produced by adding the wet ingredients and dry ingredients to a mixer 50 while any suitable mixer can be used a pin mixer is utilized in this embodiment to form the slurry 12 fig2 shows a close up view of region 11 of the gypsum wallboard manufacturing system 10 illustrated in fig1 as shown in fig2 a chute 52 commonly known as a boot extends off of the mixer 50 and forms a pathway for the slurry 12 to exit out of the mixer 50 and onto the moving continuous sheet of bottom cover paper 21 a while the chute is shown in a vertical arrangement it is.