Are Chimney Liners Required by Code?

Are Chimney Liners Required by Code?

Throughout the United States, there are building codes homeowners must follow. These codes touch on topics as detailed as the structure of your chimney. They can include everything from the height of the chimney to its framing on the roof. One of the questions that our team often hears is “Are chimney liners required by code?”  

At Best Chimney Services, we’re passionate about keeping our clients’ chimneys in proper working order. We have a knowledgeable team of chimney technicians who offer a range of services such as chimney repairs, chimney masonry, chimney inspections, and much more. Don’t hesitate to contact us for your chimney needs! Now, let’s discuss whether or not chimney liners are required by code.

Are Chimney Liners Required by Code in MA?

Yes, modern code within the Commonwealth of Massachusetts requires all masonry chimneys to be lined. This complies with the Massachusetts State Building Code, Section 780 CMR 6001.8. Even chimneys and fireplaces that were built prior to the requirement are subject to the adopted code.  A missing or damaged flue lining is identified as a safety concern, so it does not comply with the retroactive or “grandfathering” rule.  

What is a Chimney Liner?

A chimney liner is the inner layer of the passageway that goes through the flue of the chimney. The chimney flue is the tunnel within the chimney, often made of clay, metal, or ceramic. The flue is meant to contain the byproducts of combustion, and direct flue gases up and out of the chimney, outside. The chimney liner protects the flue and chimney walls from heat and corrosion. It is extremely important that you have your chimney lined. Not having one is sure to cause structural damage to your chimney.  

Why Are Chimney Liners Required by Code?

Chimney liners protect both the air quality and the chimney structure. Smoke and heat transfer are common concerns when using your fireplace without a proper lining.   Carbon monoxide is also a frequent threat when using your heat and hot water, if the flue is unlined or even lined with defects.  Chimney liners ensure that byproducts like smoke and exhaust will exit your home, rather than invade the clean air within the living space. 

A new liner can also be a long-term financial benefit.  With prices of oil and gas skyrocketing, a properly sized liner promotes energy efficiency so you use less fuel. 

How Do I Install a Chimney Liner?

We do not recommend installing a chimney liner on your own. Chimney liners come in all different shapes and sizes and venting materials differ depending on the application – it’s best to leave it to the professionals.  A proper flue inspection is also needed prior to installing a liner to check for obstacles or obstructions that would restrict the insertion.

Are you a Boston, MA area homeowner in need of a new chimney liner? Give us a call! Call upon a professional, experienced team to ensure your home and chimney will be taken care of. 

Contact Best Chimney Services for your Chimney Needs!

At Best Chimney Services, we handle all of your chimney needs. We offer chimney sweeps, commercial chimney work, and much more. If you’re concerned about your chimney liner and the status of your chimney liner, book a chimney inspection with us so we can find a solution as soon as possible. Contact us to get started! 

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