Reasons Why a Liner Needs Replacing

by | Dec 28, 2017 | Chimney Liner

You don’t just make a chimney repair for no reason. Chimney professionals put customer safety and comfort first, and chimney repairs, sweeps, and inspections are necessary for safety and function. Like every other part of your chimney system, the chimney liner is essential to keep the chimney working properly. When it needs replacing, don’t wait! Get it done right away.

Why Is the Liner Important?

The chimney liner has a few functions that keep the chimney working, and keep the family and home safe.Chimney Liner Replacement - Raleigh NC - Mr. Smokestack Chimney Service

  1. The liner protects the masonry. The gases and materials the fire produces are corrosive to masonry. Creosote, especially, can corrode the masonry over time.
  2. The liner protects the house. The heat that rises up the chimney can transfer to building materials including beams, floors, and ceilings. If this wood is exposed to heat for too long, they can become weakened and brittle, leading to collapse or house fires.
  3. The liner protects the household from dangerous gases. The gases vented through the chimney are hazardous and can lead to injury, respiratory illness, and can even be fatal. The liner keeps the gas in its place, and away from your family.

If you have an old damaged clay tile liner, or if your chimney doesn’t have a liner, you need a new liner! Your chimney may have a liner, but may have been installed incorrectly, or isn’t appropriate for your appliance. You will need a certified professional to determine the safety of your chimney liner.

You Might Need a New Liner If…

  • If you find flakes or pieces of a clay tile liner in your fireplace. This usually means your clay tile liner has joint damage, voids, or other issues that will affect performance.
  • If your masonry is hot to the touch. Then you need a liner replacement or repair to keep the heat inside the chimney. A chimney expert can determine what the problem is, and may be able to repair the liner instead of a complete replacement.
  • If you are converting from a wood-burning fireplace, stove, or insert to a gas appliance, you may need a new liner. Clay tile liners are not appropriate for use with gas fires. Gas fires produce condensation that affects clay tile, making them less effective and damaging them sooner.
  • If you’re upgrading with a new stove or insert installation. In that case you may need to resize your flue with the help of a liner in order to meet the new capacity of your unit. If the chimney is too large for the new appliance, efficiency will drop and you’ll have trouble keeping a fire going.

Cerfractory Relining Explained

HeatShield® Cerfractory® Flue Sealant is an industrial product made of ceramic and refractory material that makes it ideal for lining repairs and resurfacing. Through a fairly simple process, a certified technician can apply HeatShield® Cerfractory® Flue Sealant to repair joints, resurface a clay tile liner, or line a flue completely with a CeCure® Sleeve. HeatShield® is long-lasting, and is appropriate for use with all fuel types. You may be able to schedule HeatShield® services instead of other costly options. Let Mr. Smokestack Chimney Service fix your smoke stack! Call us at 919-747-1859 or schedule an appointment online.

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