Polyurea Crack Repair Mender - Part B - 5 GARepair Mender (PP CF) is a two parts, high penetration, fast setting, hybrid polyurea for repairing and re building damaged concrete. Supplied in a 5 GA container. The product is a 1: 1 ratio, easy to mix system that is 98 % solids and VOC compliant. The PP CF can be used to set anchor bolts, repair damaged control joints, fill spalling, and rebuild vertical curbing and steps. Sand or gravel can be added to extend the volume of the material and acts