Looking for more suggestions
Yes, this problem is still happening....2 1/2 yrs after moving in.
This past March, the toilet started gurgling again, and knowing that it was just a matter of time before the backup occurred, I called the warranty field manager for my builder. He and the owner of one of their plumbing companies came out and the backup happened with them there.
The plumber said it's definitely a drainage problem, not a vent problem. He reviewed the tape I have of the camera going down the main line and he saw standing water and said that was a problem. Of course, this same guy reviewed the exact same tape a year before that, saw the water, and said there was no problem. I've learned enough about plumbing to know that is DEFINITELY a problem. Anyway, he said that they'd probably have to bust up the slab and take a look at the pipes....but not before blaming it on the type of toilet paper again.
Three weeks after he was out, his plumbers busted up the slab in the one of the bathrooms and found about 4 pipes with backfall....one of them was even in the shape of a V. They replaced the pipes, fixed my floor, and I thought everything was resolved.
Well, yesterday the gurgling happened again. A backup didn't happen because as soon as I heard the gurgling, I turned the water off. I had a plumber come out to snake the line, just in case there was a blockage, but he couldn't find anything. He even put about a 1/2 roll of toilet paper down and it came out the cleanout just fine.
I'm at a total loss and can't believe this is still going on. Nobody seems to know what is causing this. This guy says that maybe it's the suds from the shower or washing machine causing this. That the bubbles clog the pipe. Is this possible? If so, what's the fix for it?
Any additional insight that anyone can provide would be greatly appreciated.
Thanks,
Colleen