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Home plumbing: Copper VS plastic-type pipes

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Home plumbing: Copper VS plastic-type pipes The Space Boss 05-02-2007
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Posted by on May 3, 2007, 10:38 pm


says...
> > Looks very easy for do-it-yourselfers but the clamping tool is very
> > expensive.
>
> It rents for $ 10/day at Home Depot


Or buy it for $130, use it as long as you need it, and surplus it on
eBay for almost what you paid for it.

--
josh@phred.org is Joshua Putnam
<http://www.phred.org/~josh/>
Updated Infrared Photography Gallery:
<http://www.phred.org/~josh/photo/ir.html>

PexSupply Save 50 468x60
Posted by Tim Smith on May 4, 2007, 6:51 am


> Or buy it for $130, use it as long as you need it, and surplus it on
> eBay for almost what you paid for it.

Interesting. While checking eBay to see what those tools are going for,
I noticed this "buy it now" listing, for a tool that handles all three
sizes, and is only $40 new.

I wonder if it is any good?

<http://cgi.ebay.com/PEX-Crimp-Tool-3-8-1-2-3-4-Crimper_W0QQitemZ26011371
2841QQihZ016QQcategoryZ42133QQrdZ1QQcmdZViewItem>

<http://tinyurl.com/342jck>



--
--Tim Smith

Posted by Rudy on May 3, 2007, 10:13 pm


> When I put the addition on our house in the late 80's I used the white
> 1/2" CPVC pipe and have regretted using it since. It was easier to
> assembly, just glue, no soldering but if you look in the end of the
> pipe the wall thickness is bigger than copper. This creates reduced
> water volume. Our shower in the addition is about 3/4 strength that
> it should be, toilet takes longer to fill, etc.
>
> Stick to copper.

Naww..Never use CPVC for a "real" house..maybe for mobile home replacement..

The "new" plastic is called PEX. I'd use it over copper any day as long as
the plumber knows how to install it.
I do. Do a Google search for Aquapex or Wirsbo.
Its great stuff. Had it put in our last two custom homes. Easy to work
with..No soldered joints. No air hammers or pipe noise.



Posted by The Space Boss on May 4, 2007, 12:20 am


> > When I put the addition on our house in the late 80's I used the white
> > 1/2" CPVC pipe and have regretted using it since. It was easier to
> > assembly, just glue, no soldering but if you look in the end of the
> > pipe the wall thickness is bigger than copper. This creates reduced
> > water volume. Our shower in the addition is about 3/4 strength that
> > it should be, toilet takes longer to fill, etc.
>
> > Stick to copper.
>
> Naww..Never use CPVC for a "real" house..maybe for mobile home replacement..
>
> The "new" plastic is called PEX. I'd use it over copper any day as long as
> the plumber knows how to install it.
> I do. Do a Google search for Aquapex or Wirsbo.
> Its great stuff. Had it put in our last two custom homes. Easy to work
> with..No soldered joints. No air hammers or pipe noise.

Again, Rudy, what happens if somehow you had a rodent chewed through
the PEX? And how long does PEX last? ANd what of water pressure? Is
there any chance it could rupture under too much pressure? And what of
attic installation? If it gets 105 in the desert, the attic of a house
could really bake. Could it not exceed the 200 degrees?



Posted by Rudy on May 4, 2007, 1:23 am


> Again, Rudy, what happens if somehow you had a rodent chewed through the
> PEX?

What if an asteroid crashed thru the roof and hit the pipe ?

And how long does PEX last?

The Wirsbo PEX is cross-linked polyethylene with an oxygen infusion barrier.
It has been used in Europe for 30 years, with more than 4 billion feet of
installed tubing performing without a single incidence of product failure.
500 million feet of that is in North America alone. Samples of the tubing
have been under high temperature and pressure continuously since 1973, with
no sign of decreased performance. Tests, both by Wirsbo and independent
sources, predict that the Wirsbo PEX tubing should have a system life in
excess of 100 years

And what of water pressure? Is there any chance it could rupture under too
much pressure?

Wirsbo PEX tubing currently holds the unofficial world record for long-term
testing at elevated temperature and pressure -- 26 years at 203° F at 151
psi, and still going. When the test is completed, the record will be
official.

>And what of attic installation? If it gets 105 in the desert, the attic of
>a house
> could really bake. Could it not exceed the 200 degrees?

No..our house was in the Sonoran desert where the OAT EXCEEDED 105 oF. The
PEX was plumbed thru the attic spaces. No problems after 8 1/2 years and
BTW, see above, Home plumbing is NEVER anywhere near 150 PSI..more like 70
# or less.



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