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Old 01-29-2018, 11:33 AM   #31
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Re: Basement shower sewer smell


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Originally Posted by NotYerUncleBob2 View Post
For the record, you should use mineral oil and not vegetable oil in a seldom used trap. The vegetable oil can and does go rancid and will smell just as bad as the sewer gas!
For a basement shower that is rarely used, is it really worth the expense to bust up the concrete to look for a leak that may or may not even be there? If it was me, I'd go with the $30 trap guard, disclose it to the buyer and call it done.
I agree with mineral oil for more permanent trap seal but
for a test, most homes have vegetable oil already on hand...

technically yes to trap a guard install IF disclosed
since it is not proven (yet) there is a crack/leak in trap...
only way to really know is by demo...

place a pot with a couple inches of water in floor
of this shower and see if it *evaporates* also ???

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Old 02-03-2018, 09:50 PM   #32
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Ok, i did the vegetable oil in the drain. It's been 3 days and it's still there. If it was water it would be dry in 24 hrs.

Does this mean it's a leak?

Thanks
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Old 02-04-2018, 07:58 AM   #33
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Re: Basement shower sewer smell


Christian, the local building dept. or the builder should have a plumbing plan. Who knows what else connects to it?
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Old 02-04-2018, 08:29 AM   #34
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Re: Basement shower sewer smell


while yes there is a *leak*
a leak out of trap body is yet unknown...
oil has a higher viscosity than water...
viscosity is a measure of resistance or hindrance that a fluid
shows when it is acted upon by an external force...
so the higher viscous oil is not as likely to leak out of a failure in a trap
or be siphoned from a partial clog in either a drain or vent near this shower drain...

keep test going and eventually shift over to mineral oil if trap continues to hold

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Old 02-04-2018, 08:45 AM   #35
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Re: Basement shower sewer smell


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Last edited by Gregsoldtruck79; 02-04-2018 at 09:14 AM.
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Old 02-04-2018, 08:46 AM   #36
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Re: Basement shower sewer smell


The siphoning is why I think that a plumbing plan would help. What else is connected to that pipe?
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Old 02-04-2018, 10:28 AM   #37
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Re: Basement shower sewer smell


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........

So the OP has his home up for sale. Has one offer outstanding. He is not keeping the home to live in forever. So at some point in this " chase the tail" scenario, he needs to make a decision based on some reality based criteria. While I read that he has hired a PRO to camera all possibilities of the trap drying out, the drying out trap issue chase continues.

1. How much time and money is willing to be spent, on a home up for sale ?

2. Is the OP willing to spend the money, time and endure the mess of a demo/shower rebuild ? All while contingent on one offer, that could be pulled any day ?

3. He cannot change his asking price on the offer submitted. So if he goes ahead and demo/rebuilds the tile shower without a purchase contract in hand from the person making the offer, acknowledging and accepting the repair costs, his investment is not recoverable and goes in the "loss" column.

4. Most all offers to purchase homes have or at least should have, a "kick out" clause for the buyer and seller. If the person making the offer is willing to pay for the reno of the shower, then a signed purchase contract amendment should be signed by the seller/buyer. If one making a offer is not willing to pay up for the repairs, the deal is off.

The seller can take multiple offers at the same time and pick and choose. All the buyers have to have is the sellers truthful disclosure stating the same info on their property regarding known deficiencies . It is the buyers choice once reading the SD, to pay up for the repairs, or move on to another home up for sale. One offer should not be the benchmark for anyone's home selling venture... in my opinion.


5. The OP is rolling some dice here on getting a locked down sold contract while hunting this shower drain issue. Homes just put on the market have what is called a "splash" effect. When they first get posted up for sale, prospective buyers see the new listing and the feeding frenzy for offers hopefully follow.

Once the property stays on the market for 6, 8, 12 weeks, or so, it becomes less attractive to buyers. And sometimes to the point of the home shopper saying to themselves, " there must be something really wrong with this home, it has been listed too long".

So in my opinion the OP needs to take a break, get this project in perspective and act accordingly. We DIY'ers have a life time to post solutions to someone's problem posted on a DIY forum. The OP's asking for solutions....not always the same time span. His call and all JMO.
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Old 02-04-2018, 10:56 AM   #38
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Re: Basement shower sewer smell


Greg, he seems to be worried about the poor young girl who is buying the house. She's only 29. That was in Chapter 2. Otherwise, in Chapter 10, you drop the price a few thousand & say good bye.
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Old 02-04-2018, 06:46 PM   #39
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Re: Basement shower sewer smell


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Greg, he seems to be worried about the poor young girl who is buying the house. She's only 29. That was in Chapter 2. Otherwise, in Chapter 10, you drop the price a few thousand & say good bye.
I know G, I read the post before I replied. ...and I do respect the OP for his honesty and empathy shown.

But one thing I have learned in 65 years that is as solid as steel and undeniable. No one in their old years will have money given to them whenever they need it, unless they are royalty.

We only end up in life with what we earn and save during our working years. If the 29 y.o. gal is old enough and responsible enough to buy a home, then she should be cognitive enough to accept any homes problems[B] as is[/B pay to repair them, or find another home with NO problems. Which is like finding two 100% matched alike snowflakes, falling in Alaska.

If the OP is independently wealthy, then I say he should do a total reno and cure the drain and let the gal have the home for the original asking price. Good people if they can afford it, are rewarded later on in life, when they give good and deserving people a boost in life.

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Old 02-24-2018, 06:42 PM   #40
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Re: Basement shower sewer smell


Thanks for all the replies so far this is really helpful.

I just wanted to post an update. Basically a couple weeks ago i poured veg. oil in the dry ptrap. It did not move for a few days.. So I showered and rinsed it all out. The next day, i had a prof. plumber come out. He said Im not sure if its a leak or if there is crap that could be absourbing the water over the ptrap down the drian. So he pured a jug of organic drain cleaner down and said wash it out in24 hrs and see what happens.

This was exaclty 8 days ago. I rinsed it out the next day and actually showered in it to ensure it was totally washed out.

The ptrap held up 100% for about 3 days. I would stick it everyday to measure. But since then over the last 5 days it has gone down approx .5 inches.which is not much at all.

So I think 2 things

1 - the oil I put down there kinda seeped into the pin hole and into the dirt and has cuased a temp. seal
2 - the plumber was correct by cleaning out the trap with the cleaner as there was crud pulling the water out of the trap over and down the pipe.

I hope it was 2.

So. if it still holds up. I am thinking of adding a trap guard and telling the buyer that there was a smell and had two plumbers out and they cleaned it and suggested a trap guard and also suggested if its a shower not used often that to run water for a couple minutes once a week or every other week to keep it full.

As I am still not 100% sure if there really is a leak...

is this the correct approach?

also, where can I buy a trap guard? Is the one below sold at plumbing or hardware stores? Without having to order online? Or is there a better one to suggest?

http://proventsystems.com/product-so...uard/overview/

Thanks!!

Last edited by Christians1; 02-24-2018 at 06:50 PM.
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