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General => General Forum => Topic started by: Windpower on August 23, 2013, 08:52:08 AM

Title: PEX or copper ? Decision time !
Post by: Windpower on August 23, 2013, 08:52:08 AM


I have some concerns about PEX tubing for water supply

I am old school I guess and think copper is the proven material but PEX has a good reputation

My concerns are about the possibility of chemicals leaching into the water

Feedback, please
Title: Re: PEX or copper ? Decision time !
Post by: MountainDon on August 23, 2013, 09:08:16 AM
How acidic is your water? Copper doesn't like acidic water.

Europe has used PEX since the 60's and still does. So far it would seem nothing really bad had been found about PEX. Not to say that tomorrow some study will. But nobody seems to have anything traceable to PEX, at this point.

I don't think we know.

Title: Re: PEX or copper ? Decision time !
Post by: Windpower on August 23, 2013, 09:25:50 AM

"I don't think we know "

that's what concerns me

I did find a couple studies in CA where new home had what I would call extremely high levels of T butanol and MTBE -- in the 600 PPM range

they recomended flushing the systems daily for the first 6 months ---

mostly what you find is approved by NSF, ASTM standards blah blah blah

I think copper is going to be worth it -- that's what they are putting in 'starter castles' should be good enough for me --

our water here is neutral not acidic so that should not be  a problem

Title: Re: PEX or copper ? Decision time !
Post by: Windpower on August 23, 2013, 09:39:35 AM

The info at this site has made my decision to go with copper

http://www.chemaxx.com/polytube1.htm
Title: Re: PEX or copper ? Decision time !
Post by: JRR on August 23, 2013, 01:15:30 PM
This site warns of copper:
http://www.voanews.com/content/copper-implicated-as-a-possible-cause-of-alzheimers-disease/1732914.html
.
Is anything safe to use for piping? Stalactites? Whale bones? ...?
Title: Re: PEX or copper ? Decision time !
Post by: flyingvan on August 23, 2013, 03:31:42 PM
Mice eat pex, freeze kills copper----which is a bigger problem where you are?
Title: Re: PEX or copper ? Decision time !
Post by: Windpower on August 23, 2013, 05:33:30 PM
Here in Wisconsin we abundant mice and sub zero cold

aren't  we lucky

I bought 400 feet of type M copper tube today 200   1/2" and 200  3/4" -- should keep me busy for a couple days


Title: Re: PEX or copper ? Decision time !
Post by: Jarek on August 23, 2013, 07:46:21 PM
I would say use PEX for all water runs and copper for kitchen sink (drinking water).

Sent from my SAMSUNG-SGH-I747 using Tapatalk 2

Title: Re: PEX or copper ? Decision time !
Post by: Don_P on August 23, 2013, 09:19:01 PM
A friend of ours is quite damaged mentally from copper poisoning, the water where she was is acidic. Being the first case in that area they settled relatively early and for a pittance. A petite female, she was simply the canary, I've experienced a similar incident with solvents industrially. In both situations other cases followed. It has made me rethink the organic copper fungicide we have used on tomatos.
Title: Re: PEX or copper ? Decision time !
Post by: jsahara24 on August 23, 2013, 10:21:48 PM
Pex all the way for me.   

Sent from my XT907 using Tapatalk 2

Title: Re: PEX or copper ? Decision time !
Post by: rick91351 on August 23, 2013, 10:55:56 PM
To me PEX is the far best choice.  It is a lot more freeze friendly.  Most of the data cited in the posted article is circa 2007 citing what was found in a problem with 2001 PEX.  And with their solution flushing lines if one is concerned seems great advise!
Title: Re: PEX or copper ? Decision time !
Post by: containercabin on August 24, 2013, 07:53:59 AM
I did PEX and it was so easy... Honestly, if I knew how to sweat (I will learn!! ;) ) I would have done a combination of the two. Running long pipes = PEX and elbows and fittings = Copper. Best price and easy...

Just to be clear - obviosly this can't be done always - you will need some sharkbites and some copper pipe... I just mean in general.
Title: Re: PEX or copper ? Decision time !
Post by: NM_Shooter on September 09, 2013, 08:21:38 AM
I too have to chime in on the side of PEX.  Even though the mouse thing has me somewhat worried. 

The benefit of ease of assembly, freeze resistance, no joints in walls, no corrosion, it is really amazing stuff.  Plus with the price of copper, the installation of pex is incredibly attractive. 

-f-
Title: PEX or copper ? Decision time !
Post by: Native_NM on September 09, 2013, 09:21:02 PM

Quote from: Windpower on August 23, 2013, 05:33:30 PM
Here in Wisconsin we abundant mice and sub zero cold

aren't  we lucky

I bought 400 feet of type M copper tube today 200   1/2" and 200  3/4" -- should keep me busy for a couple days

Fort Knox II.   

Around here you'd need an armed guard with that much copper.  Guard it carefully. 
Title: Re: PEX or copper ? Decision time !
Post by: Jimbo Ricketts on September 10, 2013, 01:59:17 AM
i would like to see legit damage done to pex by a mouse  ???. you could have bought faucets as well with what u are paying for copper and fittings ,flux , soldier,mapp or propane gas ,copper coated hooks ect. dont use uncoated hanger band or c clamps to hang copper it creates an acid and will make pin holes in the copper , m copper is thin to begin with.  just make shure u sand n flux yor fittings and pipe well ,GOOD LUCK !
Title: Re: PEX or copper ? Decision time !
Post by: grover on September 10, 2013, 01:20:35 PM
I'm pretty sure we are going to use pex.  Too much of anything is bad for you. 

Please don't analyze that last sentence too closely! :)
Title: Re: PEX or copper ? Decision time !
Post by: flyingvan on September 11, 2013, 04:36:38 PM
For Jimbo-
(http://t2.gstatic.com/images?q=tbn:ANd9GcSPx76UAocdK9ywrF424FgKKl_E4QRWqRrF7a4-XL0NtxcVEmNGItX2G9qv)
(https://i487.photobucket.com/albums/rr232/nkachur/102_0087.jpg)
http://www.terrylove.com/forums/archive/index.php/t-5154.html

   Bottom line---DO NOT use the cheese flavored PEX
Title: Re: PEX or copper ? Decision time !
Post by: Jimbo Ricketts on September 11, 2013, 05:07:32 PM
DamN  i guess so ive never seen or heard of that that in 10yrs of working with pex . had a guy that had some dogs that he let stay under the house in the winter and they without failure would chew thru a hotwater line to get warm, i guess . time to go hunting big rats with a 4/10it seems or get a big mean cat . thanx for the photo 
Title: Re: PEX or copper ? Decision time !
Post by: Jimbo Ricketts on September 11, 2013, 05:13:30 PM
better yet get u a pet chicken snake  [scared]
Title: Re: PEX or copper ? Decision time !
Post by: Don_P on September 11, 2013, 08:04:23 PM
I've had them strip the insulation off of Romex as well, that caused a quick run to the panel to kill the power and then a rewire job  >:(.
Title: Re: PEX or copper ? Decision time !
Post by: Redoverfarm on September 11, 2013, 08:32:38 PM
I had mice chew through a piece that was a supply line to an outside furnace several years ago.   ???
Title: Re: PEX or copper ? Decision time !
Post by: Windpower on September 12, 2013, 06:55:01 PM

OK ...

Several burns later (healing nicely thank you ) It is approaching done

--I am learning a lot 

a 7/8 step drill bit works like a charm for de-burring the inside of the 1/2 and 3/4 tube

the close fit tube cutters that look like a donut  with a slot cut out work very well and are indispensable

buy some 'plumber's gloves' (saves on band-aids)

forget hole saws on OSB -- use Irwin 'speed bore' and avoid nails (or buy multiple bits)

don't buy the red wire brushes that fit into a drill for cleaning the tube -- they break

Kudos to Menards

2 weeks after my major purchase of tube, copper  tube went on major sale --- they gave me the difference in store credit  ;D

 




Title: Re: PEX or copper ? Decision time !
Post by: Don_P on September 13, 2013, 08:03:23 PM
Off topic  ;D but on the subject of tubing cutters. One of the guys at the farmers market was asking me a couple of weeks ago if I knew of a good way of stripping wire for recycling, like me he has several hundred feet  that has accumulated from replacing old work on jobs. I said a utility knife and long evenings was all I knew. He showed me what he came up with today. A piece of 1/4" copper tubing with a lengthwise slot in it that the cutting wheel on a regular tubing cutter can drop into when it is sitting 90 degrees to the normal pipe cutting direction. He bored a hole thru the C frame of the tubing cutter the 1/4" tube goes thru. By adjusting the height of the cutting wheel, when wire is fed thru it rolls along and cleanly cuts the insulation off leaving clean wire for recycling  [cool].
Title: Re: PEX or copper ? Decision time !
Post by: Jimbo Ricketts on September 14, 2013, 02:55:19 PM
Quote from: Windpower on September 12, 2013, 06:55:01 PM
OK ...

Several burns later (healing nicely thank you ) It is approaching done

--I am learning a lot 

a 7/8 step drill bit works like a charm for de-burring the inside of the 1/2 and 3/4 tube

the close fit tube cutters that look like a donut  with a slot cut out work very well and are indispensable

buy some 'plumber's gloves' (saves on band-aids)

forget hole saws on OSB -- use Irwin 'speed bore' and avoid nails (or buy multiple bits)

don't buy the red wire brushes that fit into a drill for cleaning the tube -- they break

Kudos to Menards

2 weeks after my major purchase of tube, copper  tube went on major sale --- they gave me the difference in store credit  ;D


i love green hands , dont you  d*
Title: Re: PEX or copper ? Decision time !
Post by: Jimbo Ricketts on September 14, 2013, 03:05:06 PM
OFF TOPIC , if anyone is considering radient floor , wall ,heat you can send the prints to wirsbo , if that is the brand you are using and they will have an engineere send a detailed schematic of what and where everything should be installed as well as a material list . i think they will do it for a homeowner not 100% sure 
Title: Re: PEX or copper ? Decision time !
Post by: flyingvan on September 22, 2013, 02:17:01 PM
   I've got another concern with PEX unrelated to the dead horse we've been beating, maybe someone smarter than me can chime in here.
   I know if you've properly bonded your cold water copper line to ground then cut in a filter, then fail to bridge that bond to the other side, the pipes quickly fail since one side is energized and the other isn't---joined by flowing water full of dissolved solids. 
   If you had copper, properly bonded, feeding your PEX manifold--would metal fixtures on the terminal ends prematurely corrode?  It seems like the same dynamics are in place, just a matter of distance
Title: Re: PEX or copper ? Decision time !
Post by: Huge29 on October 14, 2013, 03:39:53 AM
I have four neighbors who have experienced leaks in their copper, twice in mine and these homes are only about 15 years old. All were from copper, one was so bad that they sued and made the contractor replace the plumbing in the entire home.  My next door neighbor had their one spot leak four times, the fourth time they insisted that the repair be made in PEX and five years later never had the issue recur; I would go PEX 100% of the time.  If you keep things cleaned up, not always possible with the liberals and their compost projects, mice should not be an issue.  We bought a cabin that had essentially been vacant for nearly two years, so we had lots of mice, but they were completely eradicated within about a month, no sign of them in a year.  The entire cabin is done with PEX and not a leak.