Bonds old concrete to new; For capping walls, resurfacing, patching & tuck pointing; Primer & admixture in one. DAP Concrete Bonding Additive is an advanced ethylene vinyl compound that can be used to create a high moisture resistant, high density concrete, DAP Concrete Bonding Additive is perfect for new or old concrete patching, resurfacing and leveling. It is excellent for capping walls, patching steps and tuck pointing. VOC less exempt less water 68 g/L (Less than 2 wt/wt%). Limited Warranty: If product fails to perform when used as directed, within one year from the date of purchase, call 888-DAP-TIPS, with your sales receipt and product container available, for replacement product or sales price refund. DAP will not be responsible for incidental or consequential damages. dap.com. Question? Call 1-888-Dap-Tips or visit dap.com & click on Ask the Expert. Made in USA with US and globally sourced materials.