![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhwQS2eNorQpsxMNJRkCfuADTb5ZbgFssaApNJQFSrlmOjYTZBfy7U4liXFuHKCIyIiJRUrvyD_YGoi12Xin0aKPrO4F3v90VddgqGwt1QUxEifBq-r1nhu36IjU6IaNnSxxCinfcAgbGra/s400/limemortar+004.jpg)
The mortar dries out and turns to dust and the whole surface cracks and delaminates. Eventually the wall must be demolished.
PCC have presided over a mass destruction of such buildings by insisting that a cement mortar render covered by impervious paint finish be used.
TODAY they are allowing cement render of lime mortar walls on listed buildings and in Conservation Areas.
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