GenStone has a 25-Year Limited Warranty. It warrants that the Trim, Panels, Corner, and Ledger Pieces will not blister, peel, corrode, rust, rot, delaminate, flake, or excessively fade due to defects in materials or manufacture when used for its intended purpose, is properly installed, and is maintained according to GenStone’s installation instructions for a period of 25 years from the date of purchase. If you have a claim you need to submit for your warranty, GenStone needs to be notified promptly so we can validate the claim. We will repair, replace, or refund the purchase price of the product. The warranty also offers limited hail damage protection if your homeowner's insurance (or other insurance sources) does not cover the entire damages. We may cover up to the replacement of the damaged product.