Random shrinkage cracks are inevitable and occur when the foundation of a home settles. These cracks happen to every home, but Mar-flex offers a solution to control the cracking. The Mar-flex Control Joint System is designed to control and eliminate these cracks by creating vertical control joints on both sides of the foundation wall. This, combined with the Mar-flex Waterstop Elastomeric Sealant and protection added by the Mar-flex Fiberglass Fabric Reinforcement product ensures a watertight basement. Mar-flex control joints are an economical, easy to use system for eliminating Random Shrinkage Cracks wherever they occur. Check out our Control Joint System today!