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What Causes That Knocking Noise In Your Walls?


You hear a knocking or banging sound in your walls in the middle of the day when nobody else is around, and you’re concerned. What you’re hearing is an often harmless noise, but it’s definitely happening. This can happen in your pipes sometimes.

Knocking pipes aren’t always a sign of disaster, but you should listen to them and be vigilant. Let’s explore the possibilities surrounding knocking pipes and what causes them so you won’t be caught by surprise if something’s amiss.

Loose Pipes

One of the most common causes of knocking noises in walls is loose pipes. When water travels through pipes, it can create vibrations that cause them to move slightly. If the pipes are not secured tightly, they can bang against the walls or other nearby objects, creating a knocking sound. This problem is more likely to occur in older homes where the pipes may have become loose over time.

Expansion and Contraction

As temperatures fluctuate, the materials in your walls can expand and contract, creating a knocking sound. This is more likely in older homes where materials may be weaker or have already undergone some wear and tear. It can also happen if your home is not well insulated, allowing hot or cold air to penetrate the walls and cause the materials to expand and contract.

It Might Be Your HVAC System

If your knocking noise is more of a ticking or clicking sound, it may be coming from your HVAC system. This can happen if the system is not properly maintained or if there is a problem with one of the components. The most common culprits are the fan blades which can become loose or damaged over time.

To address this issue, it’s important to have your HVAC system inspected and maintained regularly by a professional. This can help catch any issues before they become more serious and prevent costly repairs down the line.

Structural Problems Can Arise

In some cases, knocking noises in your walls can indicate a more serious structural problem. This is more likely in older homes that may have suffered from water damage or other types of wear and tear over the years.

If you notice other signs of structural damage, like cracks in your walls or uneven floors, it’s important to address the issue quickly to prevent further damage.

You may need to hire a contractor who can inspect your home and recommend the necessary repairs. This can include anything from reinforcing the foundation to repairing damaged walls or floors. Hopefully, it doesn’t get that bad, but it’s something you need to consider.

The Issues Vary

The issues you face when you hear your pipes knocking can be a myriad of different problems, ranging from minor to far from it. Take knocking pipes seriously, and as they say, it’s better to be safe than sorry.

Contact us today to help you figure out what the cause of knocking pipes is so we can get your pipes inspected and clear the issue.

Contact Crown Group Ohio today to schedule your pipe repair as soon as possible.

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