Why does pex shake

Occasionally we have had knocking sounds against an interior kitchen and master bedroom wall and it has gotten worse just recently. Is this a common problem with PEX water pipes? What is causing it and what can be done to fix this problem?

When does the knocking occur? Please visit our sponsor [ www. That's the mystery. Last night it occured in the middle of the night three times. We can't think of what might be running. The only thing we can think of is if the ice maker in the fridge is asking for water.

Last night was the worst. It has happened perhaps four or five times in the past at random times, usually when the house is quiet and nothing is going on. But last night it went off three different times for different lengths of times. Try shutting off various things that demand water and see if you can figure out which eliminates the noise. Ice maker sounds like a good start, Toilets should also be considered as there may be a leaking flapper that has the tank refill.

If you can isolate where its coming from its as good as solved. Well thats all we are doing at this point Wild Guessing. More on-site detective work is nneded at this point. Your probably right about the ice maker causing the surge that is shaking the piping at night.

No this is not normal with PEX, however can be a problem with any piping that is not properly fastened. You said the house is 8 months old, so call your builder and start documenting everything especially the times and dates you speak to your builder until it is fixed.

Encourage them learn a trade. Even if they go on to do other things, it's always nice to know that they have something to fall back on. However, these chambers sometimes become filled with water over the years and are less effective. To troubleshoot this cause of vibrating water pipes, follow these steps to empty air chambers of water:.

Your plumber is able to offer a few more solutions to this issue. Installation of a hammer arrestor can correct the problem. If the issue occurs with toilet valves, valves can be replaced with slow-shutting valves to limit the issue. Our licensed Atlanta plumbers inspect your pipes to find the source of the disturbance and get to work making lasting repairs that restore peace and quiet to your plumbing.

Bo Knows Estes Education Center. Most commonly, the problem is attributed to: Loose pipe High water pressure Water hammer How to Troubleshoot Vibrating Water Pipes To troubleshoot vibrating water pipes, our plumbers walk you through the steps to take based on the problem at hand: Loose Pipe Vibrations from your pipes sometimes occur when water runs through them because the pipe section is loose and able to knock against a nearby surface, which creates the noise. High Water Pressure When water pressure is too high, water pipes can vibrate randomly.

Water Hammer A water hammer also called hydraulic shock happens when rapidly flowing water slams into a closed valve in the plumbing system. Open all faucets and flush all toilets. Start at the top level of your home and work your way down to thoroughly drain your pipes. Close all faucets throughout the house. A loose pipe is the noise culprit!

But then again… it could be air in the water system. Or is it something else entirely, like water hammer?! Gargouille, what we have here are the same dreaded diagnostic dilemmas faced by mechanics, tradespeople, and doctors alike! Mind you, countless sounds can indicate a myriad of plumbing issues. Reviewing them all here would be a major yawn fest. Water hammer — This is a specific problem with a distinctive loud repetitive banging sound that occurs when a faucet or valve is shut OFF.

The pressure bounces backwards through the water and creates that hammering sound. Emptying the system of water detailed above can cure water hammer. Water pressure — The maximum recommended residential water pressure is 80psi.