D.C. Kerckhoff Company provides a wide selection of cast stone pool, spa and water feature architectural concrete products for pool builders and aquatic designers. From exquisite pavers, benches, decorative fountains, and assorted planters, all are engineered to be a low-maintenance solution. Our products exceed the ASTM (American Society for Testing of Materials) requirements for strength, durability, and the non-absorption of water. We offer standard and custom concrete pool coping profiles as well as various widths of Zero Entry Grate and Infinity Edge Coping. We include custom Clean Outs in our designs and include templating and detailed layout drawings on every project. Explore our products below to view all details and access technical files and an easy order request form.