Why Is My Fireplace’s Glass Turning Black?

September 8, 2020 10:02 pm Published by

One of the most common architectural highlight pieces we’re seeing more and more often is gas fireplaces, which are taking on all types of interesting shapes and styles. While gas fireplaces themselves are hardly a new invention, modern technology has given customers a number of new options that stretch the limits of design and aesthetics. As more people have these types of fireplaces (as well as wood-burning fireplaces with glass windows), it follows that more people are having trouble with their fireplace glass turning black in Minneapolis, MN. Fortunately, we’ve helped many customers deal with fireplace glass replacement—here are some quick tips that can help you quickly diagnose your problem.

The physics of glass turning black

Fireplace glass turning black in Minneapolis, MN can occur for a few reasons. Basically, the overarching thing to remember is that it all comes down to how efficiently the fire is burning, regardless of the fuel contained within. Black smoke is emitted when a fire is not burning smoothly, usually because it gets too little air drawn into it. This can cause it to throw off soot and small particles. An irregular ratio between air and fuel within the fireplace can create this effect, so it’s important to read all manuals that go along with your fireplace and make sure you’re not creating a mix that leads to blackened glass.

If you have a gas fireplace

When it comes to gas fireplaces, black fireplace glass in Minneapolis, MN can mostly be attributed to the burner ports that the gas comes up out of to be burned. If these are clogged, then the imbalance between air and fuel that was discussed above can create the sooty smoke that leads to fireplace glass turning black in Minneapolis, MN.

The other factor in gas fireplaces is that the logs inside are actually positioned the way they are for a reason—if the logs are altered from the way the manufacturer intended them to be positioned, that can also impact the internal physics of the fireplace and produce more smoke. Regularly cleaning your gas fireplace can also ensure smooth intake and burning.

If you have a wood-burning fireplace

When it comes to a wood-burning fireplace, your choice of fuel again becomes a factor. Dry and well-seasoned logs with low moisture content are what you want, because logs with more moisture content will result in more smoke being produced. As a rule of thumb, if the soot is easy to wipe off the glass, then you’re looking at a lack of ventilation within the stove, whereas if it’s difficult to wipe off, chances are it’s being caused by the logs having a higher moisture content.

Black fireplace glass in Minneapolis, MN can be stopped by making some simple tweaks, but in the case of the glass itself, the damage might already have been done. If you’re looking to replace the glass in your fireplace and get it back to its former glory, the team at Custom Glass & Screen can get the job done for you. We can help you figure out the right materials for your job and get your fireplace back up and running in no time at all. Reach out to learn more!

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