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2.Level the ground. Lay punctured, heavy –duty black polythene or a semi-permeable membrane over the area to suppress weed growth. Overlap strips about 2 inches. These types can be found at any hardware shops.
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3.Tip the gravel on the base sheet and spread evenly over the surface, making sure it is about 2 inches thick. Use a rake to get the gravel level.
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Pictures by Colin Smith
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