Why do water pipes make noise?


Quick Answer

High water pressure, loose mounting straps and water hammers are some of the reasons water pipes make noise, according to James Carey and Morris Carey, authors of "Home Maintenance For Dummies." Fixing these problems reduces the amount of noise produced by water pipes.

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Full Answer

If the water pressure is too high, it is possible to adjust it with a pressure-reducing valve or pressure regulator. When a mounting strap is loose, the pipe vibrates when someone turns the water on or off. Tightening the straps prevents the pipes from making noise. A water hammer occurs when the pressure in a pipe increases suddenly due to a change in the velocity or direction of the water. Draining the system is a potential solution to this problem, but it may be necessary to hire a plumber to explore other options.

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