Which of the following statements is not true of chimney liners?(Category: Chimney & Fireplace) •  Liners should extend at least 8 inches above the chimney cap. •   Chimneys with liners are easier to clean. •   Chimney liners help exhaust gases flow quickly up the chimney. •   Liners help prevent combustion products from getting into the house. •   Liners help chimneys withstand chimney fires.