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Why Is My Plumbing Making Noise? Common Reasons for Noisy Pipes

February 23, 2016

The occasional noise from your pipes or other plumbing fixture is a given, and is a normal part of their everyday function, but when you start hearing noises that could wake you up at night or startle the dog, then you might have a problem. Nobody wants to hear clanging or banging coming from inside of their home, especially when it is from something as important as your plumbing. A lot of our customers call us and ask “why is my plumbing making noise?” Here are the most common reasons for noisy pipes.

Vibrating pipes

You can expect some noise to come from your pipes every day, but plumbing noises such as overly vibrating pipes are definitely a problem. It could be because they are not secure properly, meaning that when water goes through them they move around too much, or it could be because they are expanding or contracting depending on water temperature. Have a pro come out and make sure that everything is tight and up to par.

Whistling sounds from faucets or toilets

One of the most common plumbing noises is a loud whistling sound caused by a faucet or one that happens when the toilet is filling up. Think of it like whistling from your own mouth. When we want to whistle, we blow air past a narrow restriction in our mouths, causing the noise to reach a high frequency. It’s the same thing in your pipes. This happens when water flows at high speeds past a narrow obstruction. This could be because of loose screws, loose washers, or an obstruction in the flow within the pipe.

Hammering sounds from the walls

You need your heat in the winter, but that hammering sound coming from the walls keep you up all night. It’s a lose/lose situation for you. While there might be a few different reasons for this, the most common is that steam is getting trapped in the water, and has no way of getting back into the boiler. This causes things to expend and for the pipe to make a banging sound. That’s just the basic explanation, but this problem is usually very complex. This isn’t a do-it-yourself problem. Make sure to get a professional out as quickly as possible before the problem gets worse.

Having noisy clanging, banging, or whistling coming from your pipes is a real headache, and usually a sign that something isn’t right. If you are asking “why is my plumbing making noise,” then you probably have one of these problems. We recommend calling a professional plumber to help take care of them before they get any worse.


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