沈阳万科挤塑聚苯乙烯泡沫板外墙保温施工方案.doc

塑聚苯乙烯泡沫板外墙保温施工方案 目 录 工程概况··········································1 材料组成··········································1 施工要求及条件·····································1~2 施工工具·············································2 工艺流程·············································2 基层清理·············································2 配制砂浆·············································2 刷专用界面剂·········································3 粘贴挤塑板···········································3 安装固定件···········································5 打底·················································5 设置伸缩缝···········································6 抹第一遍面层聚合物抗裂砂浆···························7 埋贴网格布···········································7 抹面聚合物抗裂砂浆···································8 6．细部及特殊部位做法···································9 7．安全措施·············································10 8．文明施工及成品保护···································11 9．成本降低措施·········································12 10．环境保护措施········································12 1工程概况： 沈阳万科房地产开发公司开发的兰桥圣菲项目，该项目为2层别墅，总高约7米，正负零以上，2米以下为文化石饰面，2米以上为涂料，文化石容重为50Kg/m2，挤塑板厚度为6cm。外墙采用挤塑聚苯乙烯泡沫板为主要保温隔热材料，以粘、钉结合方式与墙身固定，抗裂砂浆复合耐碱玻纤网格布为保护层，2米以下文化石饰面部分做加强钢丝网保护层 2材料组成 2．1可耐福挤塑聚苯乙烯泡沫板 规格为1200mm×600mm×60mm，企口式，表观密度30kg/m3，压缩强度250kPa，尺寸收缩率小于1.5％，吸水率小于1.5％，专用于外墙外保温系统的可耐福“ 规格为1200mm×600mm×100mm企口式，表观密度30kg/ m3，压缩强度250kPa，尺寸收缩率小于1.5％，吸水率小于1.5％，专用于屋面保温系统的可耐福“保利福” 2．2可耐福专用聚合物粘结砂浆、面层抗裂砂浆 由可耐福公司提供，现场施工加水用手持式电动搅拌机搅拌，重量比为水：聚合物砂浆1：5，可操作时间不小于2h。 2．3固定件 采用由可耐福公司提供的自攻螺栓配合尼龙膨胀钉固定挤塑板，要求单个固定件的抗拉承载力标准值不小于0.6kN。 2．4耐碱玻纤网格布 用于增强保护层抗裂及整体性；孔径4mm×4mm宽度1000mm，每卷100m，普通增强型克重不小于160克/平米，高强型克重不小于300克/平米。 5加强镀锌钢丝网 用于增强文化石饰面部位的粘接性能以及整体性；幅宽：1.5m长度：20m网孔形状：菱形网孔大小：20mm ×40mm 3 施工要求及条件 3.1 在外墙外保温系统做耐候性试验后不得出现饰面层起跑或脱落，保护层空鼓惑脱落，不得产生渗水或裂缝。 外保温工程施工期间以及完工后24h内温度不得低于零上5℃，避免阳光暴晒，5级以上大风和雨雪天气不得施工。 粘接XPS板时，要求满粘，胶粘剂涂抹面积不得小于XPS板材面积的95%，XPS板材应该逐行错缝。 建筑物在受负风压作用较大的部位，加锚固件固定。 应做好系统在风洞口，勒脚处包边处理，装饰缝，门窗洞口和阴阳角等做好局部加强网施工，变形缝和伸缩缝处应做好防水和保温构造处理。 4. 施工工具 电热丝切割器或壁纸刀（裁挤塑板及网格布用）、电锤（拧膨胀螺栓及打膨胀锚固件用）、手持式电动搅拌器、木锉或粗纱纸（打磨用