Perma Pak s a concrete admixture designed to create strong, long-lasting paver edging without the need for traditional concrete mixing. Featuring advanced Water-Stop & Shrink Reduction Technology, Perma-Pak helps improve durability, reduce cracking, and provide superior edge restraint for patios, walkways, driveways, and hardscape projects. Simply mix with concrete to create a reliable paver border that keeps your installation secure for years to come. Makes standard concreteapproximately 783% more flexible Greatly reduces cracks related to drying and autogenousshrinkage, substantially improves impermeability improving concretes durability & life cycle. Increased compressive & flexural strength, reduces permeability to increase the life of concrete
