What are decorative inserts, or decorative aggregates?
Standard bagged concrete (like Sakrete 5000-Plus) contains natural stone aggregate from local quarries. When you grind or polish into the surface of your countertop, you are removing the “cream” layer to reveal these stones, which will vary throughout the country since bagged concrete is locally produced. Some people trying to achieve the “terrazzo” look are happy with revealing the aggregates that come with the bagged concrete. Others trying to achieve a truly unique or custom look will supplement natural aggregate with decorative aggregate (see Decorative Inserts in our online store) and place them into their mold. This addition is an aesthetic decision and has no impact on the structural performance or durability of your countertop. For more information on polishing, refer to “Polish and Slurry,” pages 74-80 in Concrete Countertops Made Simple Book and DVD Guide or pages 136-142, in Concrete Countertops.
