Is It Time To Have Your Chimney Professionally Relined?

You don’t need to know your chimney as intimately as those of us at Northwest Fireplace and Chimney do, but you do need to know some basics if you want to enjoy your chimney and fireplace without unnecessary risk or worry. One of the most important things to know is that your flue liner runs from your smoke chamber (just above the firebox) all the way up to the chimney cap, and that it’s responsible for containing and removing the smoke, gases, and byproducts of combustion. Unfortunately, this crucial component can undergo damage as a result of high heat, corrosive byproducts, chimney leaks, chimney fire, and old age, which can render it less effective and less safe than you need and want it to be. These are some of the most common types of flue liner damage:

  • Holes, cracks, gaps, and spalling in clay tile or terra cotta flue liners
  • Rust and holes in metal flue liners

A damaged flue liner can have a number of negative effects on the chimney system:

  • Decreased Safety – One of the major reasons for flue liners is that they contain the heat and byproducts of combustion and prevent these from transferring to the surrounding framing, insulation, and air supply. When liners develop holes or cracks, smoke, carbon monoxide, and extreme heat cannot be effectively contained and removed from the home, and may instead lead to house fires or carbon monoxide poisoning.
  • Decreased Efficiency – Another major reason for flue liners is that they help to provide proper draft so that homeowners can enjoy a roaring and efficient fire. When holes and cracks develop, the efficiency of the chimney system and the attached appliance can be greatly reduced.
  • Masonry Damage – Finally, flue liners protect the masonry of the chimney by providing a barrier between the high heat and byproducts produced by the fire and the masonry of the chimney itself. Without this barrier, the masonry could undergo damage and begin to deteriorate prematurely.

Hopefully we’ve done a good job of explaining why flue liners are so important, but what happens when yours undergoes damage?

Reline With Durable Stainless Steel

Whether your existing liner is metal or clay tile, we can reline with a new, high-quality stainless steel liner. Stainless steel liners are incredibly durable and are available in a wide range of sizes. Both flexible and rigid options are available, so whether you have a straightforward chimney or a chimney with several odd turns and nooks, we’re confident we can find a stainless steel liner that will perfectly fit with your system.

In addition to their durability and flexibility, stainless steel liners are valued because they are approved for use with all fuels, so whether you have a gas, wood, pellet, or oil appliance, a stainless steel liner can safely and effectively vent your appliance.

Switching Fuels? You May Need A Reline

It’s true, stainless steel liners are safe for use with all fuels, but not every material is. If you are considering switching fuels, appliance type, or appliance size, schedule a professional inspection. If your current liner is not the appropriate size for your new appliance, or if it is aluminum or another material that isn’t safe for use with all fuels, you may need to have your system relined.

To learn more about our chimney relining services and when they’re necessary, or to request an appointment with a professional at Northwest Fireplace and Chimney, call 219-413-2349!


Chimney leaks can be a real headache causing major problems and damage. Let our chimney service specialists diagnose the problem and get it fixed quickly.

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