Home / Residential / Backyard Courts / Tennis Courts / Crack Repair Crack Repair The GUARDIAN® Crack Repair Product for tennis courts combines an advanced flexible fabric with an ultra aggressive adhesive capable of 300% elongation. This creates a crack repair membrane that allows the crack below to move and is capable of returning to the original positing. Nothing or no one can stop the ground from moving. The ground moves due to expansion and contraction during the changes of temperature each and every day and or due to constant settling and shifting of the ground. The key property of the GUARDIAN® Crack Repair Product is that it can move and flex as the ground does. Additionally, the GUARDIAN® Product is waterproof prevents water from penetrating down into the existing crack. This minimizes potential for crack damage. The GUARDIAN® Product has proven effective in all types of weather and temperature ranges from below Playability is also where the GUARDIAN® Crack Repair Product excels. The exclusive “Peal and Seal” technology is designed to adhere to the existing game court base. General complaints with other types of crack repair systems are related to dead spots and roping due to their design. These are not relevant with the GUARDIAN® Product. The GUARDIAN® Crack Repair Product is an excellent low-cost repair system that is easily installed. It is then finished using our 100% Rohm-Hass Acrylic coating materials.We are proud to serve residential and commercial communities in Northern California and Nevada, including San Jose, San Francisco, Fresno, Reno and the entire Bay Area. Contact us today for a friendly hassle-free estimate.