Hechuan old shop replaces storefront: We discovered three layers inside the wall when removing the old sign.

A Historic Chuanchuan Store Renews Its Facade: Three Layers of Wall Discovered Upon Removing the Old Sign

Yue Shun Jing Pig Stomach Chicken Storefront Replacement: Documenting On-Site Inspections and Fastening Method Selection.

上周在合川给一家开了些年的餐饮店换门头,牌子叫粤顺景猪肚鸡。这类活看起来简单——拆旧的、装新的,一天完事。真正花时间的地方在拆完之后。

旧招牌拆下来,墙面露出三层。最外是原来的铝塑板基层,中间一层早年找平用的砂浆,最里面是砌体。问题出在中间那层:砂浆已经和砌体之间有了空鼓,敲上去声音发闷。原本打算直接把新骨架打在原有基层上的方案,当场就否掉了——空鼓的砂浆吃不住膨胀螺栓,现在装得再正,一场雨一个冬天就会把整面招牌带松。

这就是老店翻新和新装最实在的差别:新装时基层是干净的,判断相对容易;翻新时你面对的是别人几年前的手艺,而且看不见。所以我们的规矩是,旧招牌一拆完,先做两件事——敲一遍空鼓、看一眼原有螺栓孔位的状态。孔位里如果带出粉状物,说明当初就没打进结构层。

这一面的处理是把空鼓段剔掉重做找平,等它干透的半天里,把新骨架的排版和电源走向先定下来。骨架改成直接穿透保温层打到砌体上的做法,用长螺栓加化学锚栓混合固定,间距比常规再密一档。多花的是半天等待时间和一点锚栓成本,换来的是这面招牌不用再返一次工。

发光字的电源也顺手换了位置。原来藏在招牌右上角的检修口,尺寸留小了,师傅要拆画面才能碰到电源。这次把检修位挪到字壳下沿,开了两段可拆的短边,以后不用动整体画面。这种改动在方案图上几乎看不出来,客户也不会为此多付钱,但它决定的是三年后是谁、用什么方式去修这块牌子。

安装那天风不小,吊篮作业到傍晚收工。装完之后我们在楼下站了一会儿,看夜间点亮时字与字之间的亮度是不是均匀——这次有一组笔画偏暗,回到梯子上检查,是那一组的接头压得不太实。重新压了一遍,再看就一致了。

老店换招牌,最难的部分往往不在新招牌本身,而在拆完之后你愿不愿意多花那半天,去看一眼别人藏在墙里几年的东西。这半天费用单上不好看,但墙体不会配合演出。

墙面做法、固定方式与检修位的处理,都要按现场拆开后看到的情况定,不同建筑差别不小。

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