This is an easy process for making a concrete copy of an existing object. I used Mold Star 30 silicone rubber for the molds and Quikrete Countertop Mix in white for the concrete.

Learn to make easy DIY Molds for Concrete Planters at home! I love how sleek and modern concrete can look. Make your own quick concrete planters for the front porch, deck, or patio. Learn from us ...

This project involved providing glass fiber-reinforced polymer (GFRP) molds to create six 20-meter-long cast concrete architectural beams for a new interdisciplinary R&D facility in Oxford, U.K. These ...