When preparing mix, please avoid direct handling of cement, always cover your skin.
Using the cement mixer, mix 1 part cement and 6 parts ballast to create a concrete foundation for the edge restraint that's 100mm thick, while ensuring that the edge restraint unit to be placed on the foundation will sit at the required finished level using the string line and spirit level.
The edge restraint unit can either be a kerb unit of a thick paving block (at least 60mm). Mortar these units to the foundation using the trowel and rubber mallet and again using the concrete, form a haunch up at least half the block height.
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