How do I get rid of condensation in my chimney?

Condensation is Often the Culprit When a Chimney Leaks This is often a problem when the liner used is not the ideal size or material. Instead of allowing moisture to evaporate, the condensation may just soak the brick interior and then drip down. Usually a new liner will resolve this problem.

How often does a chimney liner need to be replaced?

Average Lifespan of Chimney Liners The average lifespan of a chimney liner is 15 to 20 years. After two decades you will probably need to get the entire liner replaced to make sure it’s still up to code and not a serious fire risk.

How do you know if your chimney liner is bad?

One of the most common signs that you need a chimney liner is when you notice that your chimney walls are deteriorating at a faster than normal pace. When your liner is not in proper working condition, the heat or condensation will damage your brick and mortar at a higher rate.

At what temperature will condensation occur?

When the air temperature drops below its dew point, excess moisture will be released in the form of condensation. Condensation problems are most likely to occur in climates where temperatures frequently dip to 35°F or colder over an extended period of time.

What causes chimney condensation?

Condensation can occur when ascending combustion gases meet cooler temperatures in higher parts of the flue, finally dropping below the dew point. It tends to occur in very cold weather, and/or when the chimney is mostly exposed to the outside.

Is it possible to get condensation in a chimney?

Yes, you may get condensation in a chimney, particularly an outside one, and in your situation a liner is probably a decent idea. If it is a shared flue, that would knock out the fireplace, as you note, so the alternative is a new separate flue, built according to code, lined and sized for the boiler, alongside the existing one.

How are appliances attached to a chimney liner?

Attach a wye (pronounced “y”) connector to the chimney liner, or a double snouted tee with two take offs, which is designed to allow you to connect two appliances to one chimney liner. Some codes require that the appliance with the lowest BTU input should be attached in a position higher than the appliance with the greatest BTU input.

When to install a stainless flue chimney liner?

A. Having peace of mind, knowing your family, house and belongings are better protected from dangerous carbon monoxide and potential chimney fires, by the installation of a stainless flue liner.

Can a smooth wall liner improve chimney draft?

If going to a Smooth Wall liner, it will additionally improve your draft by up to 20% for gas and up to 15% for oil burning appliances. Our stainless chimney liners are primarily used to upgrade and repair existing chimneys.

Why is there condensation in my Chimney liner?

Countless drops of acidic rain soak the flue tiles. High efficiency furnaces extract more heat from a given amount of fuel than conventional furnaces and less heat is lost up the chimney. Since less heat is sent up the chimney, the temperature in the flue is often below 120 degrees, so more condensation occurs.

How to combat condensation in chimney with flue damper?

With your automatic flue damper, flue gas will be bottled up in the flue and chimney. A regular flue connection might allow the flue gas to continue to escape, and dry out, after the burner shuts off. I wouldn’t do anything drastic until you have a chance to think this through.

A. Having peace of mind, knowing your family, house and belongings are better protected from dangerous carbon monoxide and potential chimney fires, by the installation of a stainless flue liner.