https://concretetaxi.com.au/2023/08/15/five-causes-of-cracked-concrete/ Concrete Delivery Australia Mon, 21 Sep 2026 06:21:36 +0000 hourly 1 https://wordpress.org/?v=7.1.3 https://concretetaxi.com.au/2023/08/15/five-causes-of-cracked-concrete/#comment-451 Mon, 21 Sep 2026 06:21:36 +0000 https://concretetaxi.com.au/?p=6540#comment-451 […] A slab can look and feel solid after 24 hours and still be nowhere near its rated strength. Loading it too early, or letting it dry out too fast, can leave permanent weakness you cannot see from the surface. It shows up later as surface dusting, scaling, or what causes concrete to crack. […]

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