Firstly, don't worry. As long as you catch this fairly early you can resolve it. Curling or warping generally happens when one side of the concrete dries out quicker than the other. So for example if you have used our Worktop Premix Kit and have left the concrete uncovered in the first 18 hours then … Continue reading I’ve made my concrete and its warped or curled. Why has this happened?
This does vary because no two cements are the same, sands are of different grades, some additives are stronger than others but the general recipe is as follows; A Equal parts Cementitious Material and Sand (Cementitious Material = Cement and up to 25% of Pozzolan) B Acylic Polymer - 5-6% cement weight C Superplasticiser - … Continue reading What is the recipe for GFRC Concrete?