Hammering Pipes from kitchen sink

When I turn off the hot water at my kitchen sink the pipes bang. What to do?

  5 answers
  • Dianacirce70 Dianacirce70 on Oct 16, 2017
    This is what I found on fixing this issues... Shut off your home's main water supply valve. Find the lowest faucet on the property — it's usually on the first floor somewhere outside or in the basement — and turn it on to completely drain all water from the pipes. As the water drains from the pipes, air automatically replaces it.

  • Twiggy Twiggy on Oct 16, 2017
    We have Foam Wrapped around our Hot & Cold pipes. It helps on the sound & keeps warm for winter. Leave on yr. round. Get at hardware store. When turning off faucet do it slowly .So hopefully it won't bang. Hope this works?.

  • Virgia M. Gwaltney Virgia M. Gwaltney on Oct 16, 2017
    You have air in the lines. Turn off water at source. Open all faucets and flush stools. Don't forget showers and tubs. Let run for long enough to let air out. Usually only takes a minute or two. Begin turning off water starting with furthest faucet from. Main shut off. You should now be free of air and rattle. I hope it works as well for you as it has always done for me. Good luck, Virgia

  • David David on Oct 17, 2017
    Thank you for the detailed information. Will do.

  • Fasten the pipes with plumbers tape. It is a metal strip with holes so you can screw it down.