knocking pipes
Posted by Chris on May 30, 19100 at 08:43:56:
We have a three story home and our pipes knock whenever any of the plumbing is used. The only time they don't knock is with the washing maching and sink in the basement, outside hoses or dishwasher. It gets better if we run all of the water out of the pipes, but the effect doesn't last. We have had a plumber out once, but his comment was that the only way to find the source was to go into the walls. We would really like to try anything that might fix it ourselves first. Thanks in advance for any advice you might have. CJ

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