Rattling pipes are not an uncommon occurrence if you are a homeowner. However, just because these sounds may be common does not mean they should be ignored. Doing so could lead to long-term piping damage that could end up costing you plenty more to repair than it would to sort out the root of the sound when first noticed. Here are some common problems that could cause the sounds you are hearing from your plumbing.
Improperly Secured Water Lines
The most common cause of rattling pipes is improperly secured water lines. As water runs through your pipes it creates a lot of momentum, and if the pipers are not secured correctly, this momentum can cause your pipes to shake from side to side against the floor joints or wall boards closest to the pipes.
High Water Pressure
Water pressure that is set too high can cause pipes to vibrate loudly no matter if they are properly secured. Indoor water pressure should typically be set between 40 and 60 PSI.
Water Hammer
When you shut off running water quickly and hear a knocking or hammering noise afterwards, you are hearing what is known as a "water hammer." This sound is the result of water flowing through your pipes being brought to an abrupt halt. This means that the air chambers or cushions in your plumbing were either improperly installed, have failed, or never existed.
If this sound starts out of nowhere, it most likely means that your plumbing system's air chambers have become waterlogged. If no air chambers were built into your plumbing, have this remedied as quickly as possible to avoid damage. Also, since too high of water pressure is often a cause of water hammer, lower this immediately to prevent burst pipes.
Expanding Pipes
Copper expands as it is heated, and if you only notice your pipes making a sound after using hot water, this is a result of hot water flowing through them. The sound is probably the result of the pipes rubbing up against a stud, joist, or support brackets as they contract back to their normal size. Fortunately, only in severe cases will this result in a leak.
Resources: The Bath Outlet, Popular Mechanics, How Stuff Works
Read for More Information:
- Plumbing Tips to Prevent Clogged Drains
- When to Hire a Professional Plumber
- Having Dishwasher Problems? Hire a Plumber
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