JRHAWK9
Minister of Fire
I've heard about the 2, 10, 3 foot rule when it comes to chimneys.
Chimney Height: The 2 foot, 10 foot, 3 foot Rule - Ask The Chimney Sweep
Folks often have trouble grasping the 2 foot, 10 foot, 3-foot standard. These chimney height measurements are important to meet building requirements.
www.askthechimneysweep.com