Pex Tube Leak Under Cement Floor
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Old 12-21-2008, 09:25 AM   #1
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Pex Tube Leak Under Cement Floor

Guys, I am a small general contractor and did a 50X50 storage shed for a guy. Pex tubing was installed by the heating/outside wood boiler guy and somehow the heating or cement guy damaged the pipe. We have 2 out of 6 zones not holding pressure and leak. How in the world are we going to find the leak? We pressure tested the two bad zones and one drops fast. The second zone very slowly drops when we pump it up to 85 to 90 PSI. The boiler/pex system is open and the only pressure is from the pump moving the water through the pipe. Does anyone know if we can hook back up the zone with a very slow leak at 85 PSI and what to do with the one that has a major leak?

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Old 12-21-2008, 11:42 AM   #2
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Re: Pex Tube Leak Under Cement Floor

Infared camera/thermal imaging.
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Old 12-21-2008, 11:45 AM   #3
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Re: Pex Tube Leak Under Cement Floor

Listening device
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Old 12-21-2008, 12:05 PM   #4
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Re: Pex Tube Leak Under Cement Floor

Call American Leak Detectors, they have the equipment.
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Old 12-21-2008, 01:01 PM   #5
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Re: Pex Tube Leak Under Cement Floor

I have 2500 plus feet of Warmboard sub-floor in a house and we just got the radiant heat system installed. The tubing has been in all during construction. I have posted about this before.
Engineered bamboo flooring is about to be placed over the floor.
I've tested the system six ways from Sunday and I'm still nervous about future leaks.
Keep us posted on how you find the leaks, I'm assuming the same equipment could be used if there are leaks under wood flooring?
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Old 12-21-2008, 01:04 PM   #6
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Re: Pex Tube Leak Under Cement Floor

Oh....But PEX NEVER leaks. It was all about the fittings....... Stirring Da' Pot I IS!!!!
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Old 12-21-2008, 01:05 PM   #7
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Re: Pex Tube Leak Under Cement Floor

Thats indeed a bummer. I don't know if this will help but maybe http://www.boldstarinfrared.com/radiant.html

How slow is the slow leak?
Have you noticed any wet spots? Do you have any photo documents indicating the general area of the suspect loops?
If the leaking loop/ loops aren't along exterior walls and depending upon the spacing of the installation I would perhaps consider abandoning the loops.
Last edited by mics_54; 12-21-2008 at 01:12 PM.
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Old 12-21-2008, 01:14 PM   #8
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Re: Pex Tube Leak Under Cement Floor

Radiant floor heat goes in without joints in the floor, it's all about careless construction, many things can cause a puncture in the pipe, so don't go blaming it on the pipe. It was tested before the pipe were covered right? Then it's not the pipe that caused the leak.
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Old 12-21-2008, 01:16 PM   #9
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Re: Pex Tube Leak Under Cement Floor

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Originally Posted by Ron The Plumber View Post
Radiant floor heat goes in without joints in the floor, it's all about careless construction, many things can cause a puncture in the pipe, so don't go blaming it on the pipe. It was tested before the pipe were covered right? Then it's not the pipe that caused the leak.

I really am not blaming the PEX Ron. I was just getting your Dander up. Or at least trying to. It is Sunday you know. Not too much to do!
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Old 12-21-2008, 01:22 PM   #10
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Re: Pex Tube Leak Under Cement Floor

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I really am not blaming the PEX Ron. I was just getting your Dander up. Or at least trying to. It is Sunday you know. Not too much to do!
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Old 12-21-2008, 01:47 PM   #11
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Re: Pex Tube Leak Under Cement Floor

I'd use this :-)
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Old 12-21-2008, 02:12 PM   #12
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Re: Pex Tube Leak Under Cement Floor

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Originally Posted by MALCO.New.York View Post
I really am not blaming the PEX Ron. I was just getting your Dander up. Or at least trying to. It is Sunday you know. Not too much to do!

I remember back in grade school there was this kid....skinney little runt that was always talking smack. Always stirring up shyit and making up stories. I wound up getting into a fight with him at school. Our punishment was we had to sit in the same room next to eachother for an entire day. We bacame best friends and I am going to see him in a few days for Christmas.

Malco, do you need a friend?
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Old 12-21-2008, 02:20 PM   #13
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Re: Pex Tube Leak Under Cement Floor

Smack Smack
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Old 12-21-2008, 02:36 PM   #14
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Re: Pex Tube Leak Under Cement Floor

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Originally Posted by JamesNLA View Post
I remember back in grade school there was this kid....skinney little runt that was always talking smack. Always stirring up shyit and making up stories. I wound up getting into a fight with him at school. Our punishment was we had to sit in the same room next to eachother for an entire day. We bacame best friends and I am going to see him in a few days for Christmas.

Malco, do you need a friend?

It is quite amusing that you have said this James. Two of the persons that I know would "help me bury the corpse" (Lime and Shovels) are guys who I bloodily fought with in Grade School. And I do mean Bloodily!
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Last edited by MALCO.New.York; 12-21-2008 at 04:48 PM.
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Old 12-21-2008, 03:11 PM   #15
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Re: Pex Tube Leak Under Cement Floor

Fall back and call in an air strike.
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Old 12-21-2008, 05:02 PM   #16
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Re: Pex Tube Leak Under Cement Floor

Haa, while this friend from school is a long time friend, the help bury the body friends are...and this is gonna sound so bad, but two guys that on two seperate time I got into fights with on the baseball field during little league. One was a pitcher that hit me and started laughing the other was a second basemen. The 2nd basemen is the buy I would consider my best friend. I have traveled the world with him, been in the same room with a few ladies with him (and I ain't saying anything else about that night) etc..etc...

Why is that, that one neads to beat someones ass inorder to be good friends? Is this how the gangs think?

I dunno, but Malco next time I'm up in NY (which would only be for a Red Sox game) we should fight, than go get some beers. It would be the start of a life long friendship!!!

LMAO
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Old 12-22-2008, 06:00 PM   #17
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Re: Pex Tube Leak Under Cement Floor

RON never got his answer to his question (was it tested brfore cover up?) Sounds like jack hammer time to me.
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Old 12-22-2008, 08:07 PM   #18
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Re: Pex Tube Leak Under Cement Floor

Quote:
Originally Posted by JamesNLA View Post
Haa, while this friend from school is a long time friend, the help bury the body friends are...and this is gonna sound so bad, but two guys that on two seperate time I got into fights with on the baseball field during little league. One was a pitcher that hit me and started laughing the other was a second basemen. The 2nd basemen is the buy I would consider my best friend. I have traveled the world with him, been in the same room with a few ladies with him (and I ain't saying anything else about that night) etc..etc...

Why is that, that one neads to beat someones ass inorder to be good friends? Is this how the gangs think?

I dunno, but Malco next time I'm up in NY (which would only be for a Red Sox game) we should fight, than go get some beers. It would be the start of a life long friendship!!!

LMAO

Fookin'-A Yeah! And by the way...........The Red Sox SUCK!
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Old 12-22-2008, 08:16 PM   #19
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Re: Pex Tube Leak Under Cement Floor

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Fookin'-A Yeah! And by the way...........The Red Sox SUCK!
Two boys are playing hockey on a pond in suburban Chicago when one is attacked by a rabid rottweiler. Thinking quickly, the other boy takes his stick and wedges it down the dog’s collar and twists, breaking the dog’s neck. A reporter who is strolling by sees the incident and rushes over to the boy. “Young White Sox Fan Saves Friend from Vicious Animal,” he starts writing in his notebook.


“But I’m not a Sox fan,” the little hero replied.

“Sorry, since we are in Chicago, I just assumed you were,” said the reporter, and he began writing again.


“Cubs Fan Rescues Friends from Horrific Attack,” he continued writing in his notebook.

“I’m not a Cubs fan either,” the boy said.


“I assumed everyone in Chicago was either for the Cubs or the Sox. What team do you root for?” inquired the reporter. “I’m a Yankees fan,” the child responded.

The reporter turned the page in his notebook and wrote “Little Brat from New York Kills Beloved Family Pet.”
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Old 12-22-2008, 08:41 PM   #20
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Re: Pex Tube Leak Under Cement Floor

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The reporter turned the page in his notebook and wrote “Little Brat from New York Kills Beloved Family Pet.”
Yup!!!!

People hate the Yankees Just That Much!!!!

Thank You for the good laugh!!! K.T.S.
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