How strong is the quality of Rock Hard Cement?

Every batch of Rock Hard Cement is tested for quality and strength by a leasing independent testing facility and all cement supplied by Rock Hard Cement is supported by both manufacturers and independent test certifications. The cement is put through 7, 21 and 28-days product tests to confirm its strength at each stage. This is important because the strength at each stage determines how quickly the concrete cures, and can affect the time line of a project.

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