more drain problems

[newmat]

my new laundry has a suds problem.They come out of my air vents and even up through the toilet water .Anyone ever heard of this? If so what is the solution?Thanks for any help

[Michael@ CLA]

It could be one or more of several things. Your drains for your washers were sized too small, The pitch on the drains is poor and if the suds are coming up in the toilet that tells me that the washer drain line is not dedicated to only washers, but instead has the washroom and possibly other drains tied into it. There also may be a clog or restriction somewhere in the line. I would start by rodding the drain lines and see if you still have the problem.

[kmdigital]

If it is a new building, you should have prints regarding the drain line size and configuration. Are you saying suds come out of the vents above the roof??? All plumbing vents should terminate above the roof, so this would be quite a feat to have suds bubbling out on the roof!
More info is needed regarding this, but in general, either you have a venting problem or one of the problems stated previously.

[Westlake]

Mine is an older mat with older plumbing. I have the exact same problem due to an undedicated undersized mainline. In fact I think the whole block shares my sewer line. I did a few things that helped mitigate the issue but it never completely went away.

I pressure washed the mainline. Since this was an older mat there was considerable buildup of soap scum in the line. This had a tremendous impact on the water flow. Prior to pressuring washing my toilet would overflow several times a week, after pressuring washing it was reduced to about once per month depending on mat volume.

I have one commercial customer that would load 8 35lb machines with sheets, go back and put the soap, then start them all at the same time. Depending on other activity in the mat, this would almost certainly cause overflowing for me. I asked them to change their procedure, load and start 2 machines then load and start the next 2. The couple of minute delay between starting machines was enough to allow the draining of water without causing an overflow.

Lastly many customers like to over soap. This can be a delicate issue to discuss especially with older female clientele. I have had response like, “I was washing clothes when you were in diapers” LOL.

I just explain to them that these machines were specifically designed by high tech engineers to improve washing performance and therefore require less soap to get the clothing cleaner. They can save money and there clothing will be fully rinsed. Sometimes this works, sometimes it doesn’t.