All of our products are guaranteed for the period of 5 years from the time of purchase against any defect in material and workmanship. If there are any issues with our corner guards, simply return the product within seven days of receiving it with proof of purchase and Ace Corner Guards reserves the right to replace or refund the cost of the corner guards in full. Ace Corner Guards is not responsible for the poor installation, use of proper gauge for the application, misuse, alteration, wear and tear caused by other than manufacturing defect.