近几年来,我们采用了不更换保温层和找平层,直接在旧防水层上做新防水层的方法,对15000余平方米的卷材屋面进行了维修,收到了较好的经济效果和使用效果。具体作法:1.将豆石保护层铲掉,露出旧卷材层。这项工作,夏季要在上午9点以前进行,春、秋季节气温较低时,可以不受这一限制,但也应以沥青胶 In recent years, we have adopted a new waterproof layer without replacing the insulation and screed and directly on the old waterproof layer. We repaired 15,000 square meters of coiled roof and received good economic results and use. effect. Specific practices: 1. Scrap the protective layer of bean peas, exposing the old coil layer. This work should be carried out before 9 a.m. in the summer. When the temperature is low in the spring and autumn, this limit can be avoided, but it should be made of asphalt.