《建筑工程质量检验评定标准》(GBJ301—88)第11.8.4条规定:饰面砖表面质量要达到优良必须做到“色泽协调一致”。由于饰面砖为购进的半成品,其表面质量问题的关键在于生产厂家的质量,而施工单位仅能对此半成品加以适当的选择,若稍有疏忽则很难做到色泽协调一致。加之目前建材供求方面诸多因素的影响,经常发生购进的同牌号、同色标、同批次的饰面砖,其表面色泽不 Article 11.8.4 of the “Guidelines for Quality Inspection and Evaluation of Construction Engineering” (GBJ301-88) stipulates that the surface quality of veneering tiles must be “coordination in color” in order to achieve good surface quality. Since facing bricks are purchased semi-finished products, the key to the surface quality problem lies in the quality of the manufacturer, and the construction unit can only make appropriate choices for this semi-finished product. If there is slight negligence, it is difficult to achieve a consistent color. In addition to the influence of many factors in the supply and demand of building materials, the purchase of the same brand number, the same color standard, the same batch of decorative tiles, the surface color is not