日本《防水杂志》对2010年日本建筑防水材料的使用情况进行了问卷调查。收回问卷129份,其中设计事务所占51.1%,政府和公共机关占23.2%,建筑公司占22%,其他占3.7%。1调查对象的防水工作年限未满1年者占7.3%,未满3年者占23.2%,未满5年者占9.8%,未满10年者占17.1%,10年以上者占42.6%。2防水施工面积防水施工面积在3 000 m2以上的项目中,新建 Japan’s “waterproof magazine” conducted a survey on the use of waterproofing materials in Japan in 2010. 129 questionnaires were withdrawn, including 51.1% of design firms, 23.2% of government and public agencies, 22% of construction companies and 3.7% of others. 1 The respondent’s water-proof working life less than 1 year accounted for 7.3%, less than 3 years accounted for 23.2%, less than 5 years accounted for 9.8%, less than 10 years accounted for 17.1%, 10 years or more accounted for 42.6% . 2 waterproof construction area waterproof construction area of ​​more than 3 000 m2 in the project, the new construction