If the washer is running and we flush the toilet or take a shower the shower and toilet back up. Have tried using several different chemicals such as root remover and drano to fix the problem but nothing works. Have even had plumbers come out and snake the drain, we see an improvement for a few days then back to the same problem. Please help can't keep doing this and can't afford to replace the flooring in the bathroom due to water damage.:eek:

Are you on a septic tank or city sewer? How old is your house? What material are the drainage pipes? Did the plumber tell what he brought back on his snake? Did he snake the house drain or the sewer line? I'm attempting to find out if it's roots or other problems. Please give me all the details you can, no matter how small you think that they may be. Regards, Tom

Tom is asking you the right questions... Please, provide answers so one of us can help you...

In the interim: It surely sounds like clog in your drain. If you are on septic than it may be full...

We are on city water, the plumber just got leaves mainly. The house was built in the late 50's to early 60's. Not sure what type the pipes are but know they haven't been replaced since the house was built. The plumber snaked both the city and house lines. Didn't get anything from the house line but did get a lot of stuff from the city line. Have used several different types of root killer including what the plumber recommended.

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the plumber just got leaves mainly.

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When you say "city water" you meant city sewer didn't you? Your pipes are most likely cast iron.
Leaves? You are talking about tree leaves and not roots aren't you? How did tree leaves get in your drainage system and where are they coming from? Do you have rainwater from your eves going into the sewer? If you wish to control roots RootX or Robics Foaming Root Killer that contain Dichlobrnic are two products you could try.
A less expensive way would be to call around to garden supply stores and ask for fine grain Copper Sulphate. Put a 1/2 pound in your toilet and flush it down. Repeat in 6 months.
Hope this helps Tom

I'm going to assume that the plumber said tree roots. You can use crystal root destroyers, they should help. However, know that this is only a temporary fix, get by as long as you can, but I would start putting some money away for a sewer digup. Just speaking from experience. There are other options than digup, maybe one of the other pros will be able to give you some info on them, but were I live we just replace the old pipe with S&D and be done with it.

Good catch: you should have no leaves in your sewer - unless you have gutters connected.