Is your chimney the right height? Does it matter?
Have you ever driven through a town and noticed that all chimneys are roughly the same height? This isn’t by accident. Home builders must follow strict guidelines when it comes to building a home that people will live in. These rules are codes set by the National Fire Protection Association. They also appear in the International Residence Code and the International Mechanical Code. These organizations are the standard for builders throughout North America.
What is the 3-2-10 rule?
It wasn’t a designer’s eye or the random idea of a builder that decided the height of the chimney. The rule that deals with chimney height is called the 3-2-10 rule. Yes, some rules are made to be broken, but not this one. This is one rule every chimney owner should follow if they want to prevent life-altering fires and keep their chimney in good working order.
The National Fire Prevention Agency declares that each chimney should be at least 3 feet above the roof of a house. This is to ensure that smoke and gas go up and out of the chimney rather than being pushed back into the home because of down drafts. If smoke is not venting properly from your chimney, call a professional immediately. Felgemacher Masonry and Chimney provides chimney inspections, cleanings, and repairs. They will also check the height of your chimney because it directly affects the draft and the safety of all surrounding structures. A chimney that is not tall enough won’t have proper airflow. This could cause creosote (the flammable byproduct of burning in your fireplace) to build up quickly and potentially cause chimney fires.
The next part of the code says the top of a chimney should extend 2 feet higher than any structure within 10 feet. Once again, this isn’t about looks. This minimum height will also prevent smoke from re-entering the house and keeps other structures from blocking the expulsion of harmful smoke and gas such as carbon monoxide.
What is the safest distance from your chimney to other structures? 10ft. This is why the NFPA crafted a code with specific distances in mind to reduce the possibility of accidents. This code is a requirement, and if you have purchased a new home or are doing renovations, check with your chimney specialist to make sure you are in compliance.
Contact the Chimney Pros
As you can see, chimney height is extremely important when it comes to safety and the proper functioning of your chimney. The process of getting into compliance could mean small adjustments or a complete rebuild. If you suspect that your chimney is not up to code, contact Felgemacher Masonry and Chimney to ask for an inspection. Taking care of your chimney can be intimidating, but with knowledgeable support, it doesn’t have to be. The professionals at Felgemacher Masonry and Chimney are certified and insured, and we also provide many other chimney services, including chimney and masonry repairs. We serve customers in Buffalo NY, Rochester NY, and surrounding neighborhoods. Call or fill out our contact form today!
