ROCKETBOX is the cement block, reimagined. This lightweight, structural block is designed to replace a CMU or wood core, for your thin stone veneer and similar projects. Prefect for pillars, BBQ grills, outdoor kitchens, firepits, and all things veneer. It will not only cut your core work and project completion time in half, but it will make your veneer project lighter. ROCKETBOX is waterproof, rot proof, and holds 228 PSI.
See more at TheRocketBox.com