Brick size was unified at 5 cm * 5 cm *1.5 cm (L *W* H), and according to Gao et al. [6], the gypsum board was fire proof and sound proof. Therefore, the anhydrite was mixed with allochroic powder and different wastes to create bricks. The mold was a 7 cm * 7 cm* 2 cm square, hollow, plastic mold. The brick making procedure is described as follows.