砖墙伸缩缝一般做成平缝或错口缝,一砖半厚外墙应做成错口缝或企口缝。外墙外侧常用浸沥青的麻丝或木丝板及泡沫塑料条、油膏弹性防水材料塞缝,缝隙较宽时,可用镀锌铁皮、铝皮作盖缝处理。内墙可用金属皮或木条作为盖缝。楼地板层伸缩缝构造。 伸缩缝位置大小应与墙体、屋顶变形缝一致。缝内以可压缩变形的油膏、沥青麻丝、金属或塑料调节片等材料做封缝处理,上铺活动盖板或橡皮等以防灰尘下落。顶棚处的盖缝条只能固定于一端,以保证缝两端构件自由伸缩。屋顶伸缩缝构造。 不上人屋面一般在伸缩缝处加砌矮墙,屋面防水和泛水基本上同常规做法,不同之处在于盖缝处铁皮混凝土板或瓦片等均应能允许自由伸缩变形而不造成渗漏,上人屋面则用嵌缝油膏嵌缝并注意防水处理。
![](http://tiebapic.baidu.com/forum/w%3D580/sign=632b0551b41fbe091c5ec31c5b610c30/e53b329759ee3d6d4d1bbdec05166d224f4ade3a.jpg?tbpicau=2025-02-17-05_baceb46b6228e6e080e432094f198cb3)
![](http://tiebapic.baidu.com/forum/w%3D580/sign=6c34bc0bc101a18bf0eb1247ae2e0761/7bfa0a178a82b901ad70f914358da9773912ef3b.jpg?tbpicau=2025-02-17-05_c79c378e3af66a1a5d0d7cd1148d6010)
![](http://tiebapic.baidu.com/forum/w%3D580/sign=d63eae53eb345982c58ae59a3cf5310b/613fa2003af33a87a8b33a3d805c10385243b5c5.jpg?tbpicau=2025-02-17-05_c4ab583924ff3aa3700ef94d6f6dff15)
![](http://tiebapic.baidu.com/forum/w%3D580/sign=cb9b913841082838680ddc1c8898a964/4205678da97739125fffbf46be198618377ae2c7.jpg?tbpicau=2025-02-17-05_45849ae77c0ba00150e712dc003da73a)
![](http://tiebapic.baidu.com/forum/w%3D580/sign=632b0551b41fbe091c5ec31c5b610c30/e53b329759ee3d6d4d1bbdec05166d224f4ade3a.jpg?tbpicau=2025-02-17-05_baceb46b6228e6e080e432094f198cb3)
![](http://tiebapic.baidu.com/forum/w%3D580/sign=6c34bc0bc101a18bf0eb1247ae2e0761/7bfa0a178a82b901ad70f914358da9773912ef3b.jpg?tbpicau=2025-02-17-05_c79c378e3af66a1a5d0d7cd1148d6010)
![](http://tiebapic.baidu.com/forum/w%3D580/sign=d63eae53eb345982c58ae59a3cf5310b/613fa2003af33a87a8b33a3d805c10385243b5c5.jpg?tbpicau=2025-02-17-05_c4ab583924ff3aa3700ef94d6f6dff15)
![](http://tiebapic.baidu.com/forum/w%3D580/sign=cb9b913841082838680ddc1c8898a964/4205678da97739125fffbf46be198618377ae2c7.jpg?tbpicau=2025-02-17-05_45849ae77c0ba00150e712dc003da73a)