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The rock is sandstone and is off cuts from the quarry where they saw cut the stone. It varies in size considerably. They are anywhere from 100mm to 400mm thick. We cut the stone, with a grinder with a diamond blade, to the shape we want. If the grinder doesn't cut all the way through we use a bolster and hammer to knock off the rest.
The stones have to have a thin layer of sand/cement wrapped around them so that it grabs the stone. Similar to if you make a fist with one hand and wrap your fingers around it with the other. The sand / cement will not stick securely to the stone directly. As we build the stone is then backed with the co fines concrete. The base of the walls are 2/3 the height and only 10in at the top.
I have 3 tradesman and one labourer doing the walls. They can do about 8 to 12sqm (80 - 100sq ft approx) in 8 hours. They have been on this job for 13 weeks now.
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Anyone want to move to Aus and buy my business?
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