This heavy duty flexible liner meets the requirements of the NFPA 211, UL 1777, ULC S635 and CAN/ULC S640 Standards. Kit includes an appliance connector, a 13 X 13 no leak top plate and a quick cap with no screen. All parts, including liner, are made of high quality stainless steel. Take pictures of the damage. Again, take pictures and notify us ASAP.