How Rapid Readymix Produced Strong and Attractive White Concrete for Blu-3
To ensure that Blu-3 received white concrete that met their requirements, we conducted multiple tests and trials over a number of months. White concrete was a new material for Rapid Readymix, so we spent time experimenting with the mix to get it just right for Blu-3.
We trialled white aggregates and white cement along with grey cement, eventually opting for a 6–14mm white limestone for the aggregate. We tested the compressive strength at each stage by performing cube tests at our in-house testing laboratory in South London.
As the colour and finish of the concrete was hugely important for the feature wall, we experimented with different finishes to see which Blu-3 liked best. We used multiple techniques to create different effects, including sand blasting (shot blasting) and power washing. We also performed tests to check Blu-3 was happy with colour of the concrete.
We kept the white aggregate at our concrete yard in South London, where all our aggregates are kept in separated weather-protected bays. This meant that, if Blu-3 needed a short-notice delivery or to add extra loads to their order, we could sort it quickly.
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