Installed the CertainTeed Integrity roofing system. As a CertainTeed ShingleMaster installer using a Landmark shingle along with DiamondDeck synthetic underlayment, WinterGuard ice and water shield, SwiftStart, CertainTeed ridge vent, and ShadowRidge our customers receive a CertainTeed 4 star warranty. This means In addition to our lifetime workmanship warranty our customers receive a 50 year non-prorated warranty from CertainTeed covering in full: removal, disposal, labor, and materials for 50 years if the roofing system ever were to fail.