
Why destroy a perfectly square stone? The goal is not to destroy it, but rather to create a rough texture that will make it look natural when installed on the exterior of a building. This process is called face dressing. However, since natural stone is expensive, some builders choose an alternative method: they coat the wall with thick mortar and chisel it while it is still wet to imitate natural stone. The result is a similar look at a fraction of the cost.
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