WARNING: Should you wish to perform your own
plumbing maintenance using the information we provide on this
website, please be advised that Old School Plumbing cannot be
held responsible for any work not performed by our own
licensed master plumber. Failure to contract any plumbing
work to a licensed master plumber could result in serious bodily
injury or death.
Pipe noises range from loud hammering sounds to high-pitched squeaks. The
causes may be loose pipes, water logged air chambers, or water pressure that's
too high. Anchoring exposed pipes is a simple solution; other remedies such as
anchoring pipes concealed inside walls, floors or ceilings, may call for a
Pipes are usually anchored with pipe straps every 6 to 8 feet for horizontal
runs, 8 to 10 feet for vertical.
- If your pipes bang when you turn on the water, you may need to add
straps, cushion the pipes with a rubber blanket, or both.
- When you anchor a pipe-especially a plastic one-leave room for
- Don't use galvanized straps on copper pipes.
Only hot water pipes squeak. As the pipe expands, it moves in its strap, and
friction causes the squeak.
- Solution: Cushion it as you would a banging pipe.
This noise occurs when you turn off the water at a faucet or an appliance
quickly. The water flowing through the pipes slams to a stop, causing a
- Faulty air chambers. These lengths of pipe, installed behind
fixtures and appliances, hold air that cushions the shock when flowing water
is shut off. They can get filled with water and lose their effectiveness.
- To restore air to the chambers, turn off the water at the main shutoff
valve. Open all the faucets to drain the system. Close the faucets and turn
the water on again. The air chambers should fill with air.
- Water pressure that's above 80 psi (pounds per square inch).
- To lower the pressure, install a pressure-reducing valve
(you can call in a plumber to do the work if this is a job you don't want to