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Clay Lamb

Clay Lamb

Clay Lamb is a Cincinnati Chimney Sweep contractor and the executive producer of the YouTube channel, podcast, and blog Ask the Chimney Sweep. He is also an award-winning educator and public speaker in the chimney and fireplace industry.

AsktheChimneySweep.com….Educational Videos
FireplaceandChimneySupply.com….Chimney products
AmChimney.com….American Chimney Cincinnati, OH
Clay Lamb

Chimney Flue restoration project in Richmond, Indiana. The face layer of the brick got stripped exposing the building’ flue system.

I NEVER recommend a product or service that I don’t personally use (and love) myself but just to be totally transparent you should know that some of the links on my site ARE affiliate links and I DO make a small commission from any sales that are made. Thanks for your support!

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How to Repair a Cracked Chimney Flue Tile

Clay Lamb

Clay Lamb

Clay Lamb is a Cincinnati Chimney Sweep contractor and the executive producer of the YouTube channel, podcast, and blog Ask the Chimney Sweep. He is also an award-winning educator and public speaker in the chimney and fireplace industry.

AsktheChimneySweep.com….Educational Videos
FireplaceandChimneySupply.com….Chimney products
AmChimney.com….American Chimney Cincinnati, OH
Clay Lamb

Your chimney’s flue system is used to vent the products of combustion. This fact alone makes it prone to cracks.

Your chimney’s clayMVC-009S (2) 2 flue tiles will crack if the flue system becomes too hot. This would occur if a chimney fire occurred. A chimney fire occurs when the fire in your fireplace is no longer contained strictly in your fireplace.

 

If the fire is able to move up the chimney into the flue system the extreme heat will most certainly crack your chimney flue tiles.

This verticall cracked flue liner should be repaired using HeatShield or a stainless steel liner.
This vertical cracked flue liner should be repaired using HeatShield or a stainless steel liner.

 

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In some cases if only one flue tile is broken near the top of the chimney and it is accessible enough for replacement, then it can be removed and replaced. Using a masonry hammer you would remove the ENTIRE flue tile. Strike it only a few times to crack it further and remove the pieces by hand for best results.

HeatShield Chimney Liner Repair System
HeatShield Chimney Liner Repair System is another method for repairing chimney flue tiles is to use a HeatShield chimney liner repair system. HeatShield involves winching a foam piece up through the flue system, smoothing heat resistant mortar through all the cracks and open mortar joints.

 

 

 

 

Stainless steel liners are the most expensive repair for the flue system. These are insulated and dropped into the flue, creating a whole new flue system for  the fireplace to vent through. This method is a surefire way to repair your cracked chimney flue tile. Always consult with a professional about what repair is most appropriate for your chimney flue liner. Follow any manufacturer instructions and follow all fire and building codes in your area. Consulting with a professional before and after you complete the repair will ensure that the work you’ve done is up to code and safe for use

 

 

 

 

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