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Old 11-07-2008, 05:17 AM
 
Location: Pocono Mts.
9,480 posts, read 12,111,814 times
Reputation: 11462

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Cross-Linked Polyethylene (PEX) Water Supply Piping

here is info on pex piping...which may be what you are talking about...or for others interested. For our new construction homes, PEX is all we use.
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Old 11-07-2008, 08:54 AM
 
Location: Whitewater, Colorado
156 posts, read 270,459 times
Reputation: 67
Shouldn't it be CPVC only though? Because regular PVC can't handle hot temps like CPVC can...
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Old 11-07-2008, 09:51 AM
 
24,832 posts, read 37,332,477 times
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Quote:
Originally Posted by Firebug86 View Post
Shouldn't it be CPVC only though? Because regular PVC can't handle hot temps like CPVC can...
Could be. I just deal with cold water.
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Old 11-07-2008, 01:02 PM
 
Location: Visitation between Wal-Mart & Home Depot
8,309 posts, read 38,768,892 times
Reputation: 7185
I will say one nice thing about galvanized pipes:

You will appreciate them if you are ever screwing around in the attic, slip off of a joist, break through the sheetrock above a room with a 10' ceiling and find yourself dangling with a deathgrip on the galvanized pipes that just happened to be right next to you.

If I had copper pipes (or really anything other than galvanized) they would have dropped the whole 10' to the floor with me.
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Old 11-08-2008, 05:18 AM
 
Location: Black Hammock Island
4,620 posts, read 14,981,249 times
Reputation: 4620
Quote:
Originally Posted by jimboburnsy View Post
I will say one nice thing about galvanized pipes:

You will appreciate them if you are ever screwing around in the attic, slip off of a joist, break through the sheetrock above a room with a 10' ceiling and find yourself dangling with a deathgrip on the galvanized pipes that just happened to be right next to you.

If I had copper pipes (or really anything other than galvanized) they would have dropped the whole 10' to the floor with me.
The same appreciation for cast iron running along basement ceilings - great for using as hand-hold support when drilling up through the subflooring to fix upper floor squeaks.
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Old 11-09-2008, 12:16 PM
 
Location: Knoxville
4,705 posts, read 25,291,381 times
Reputation: 6130
Firebug,
Just to clarify...

PVC should NOT be used inside the house. In some areas in CAN be used for the main cold water supply feeding the house. IN some areas in can not be used at all.

CPVC can be used for HOT and COLD water.

PEX can be used for HOT and COLD water.

Copper and galvanized can be used for HOT and cold water.

Hope this helps.
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Old 11-10-2008, 02:00 AM
 
Location: Grosse Ile Michigan
30,708 posts, read 79,772,406 times
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Quote:
Originally Posted by Barking Spider View Post
Firebug,
Just to clarify...

PVC should NOT be used inside the house. In some areas in CAN be used for the main cold water supply feeding the house. IN some areas in can not be used at all.

CPVC can be used for HOT and COLD water.

PEX can be used for HOT and COLD water.

Copper and galvanized can be used for HOT and cold water.

Hope this helps.

CPVC is not allowed everywhere. We could not use it. Not sure what the reasoining iss but it is noe allowed by code, or at least by the Bldg inspectors interpreatation of the code
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Old 11-10-2008, 07:05 AM
 
Location: Knoxville
4,705 posts, read 25,291,381 times
Reputation: 6130
CPVC piping is listed as approved in the IRC 2006 code. However, like you found out, there can be local jurisdictions that do not allow certain building materials.

There are some that do not allow Romex wiring, everything must be in conduit, yet it is allowed "by Code".

Just because it is in the Code, does not mean the local authorities have to OK it. On the other hand, just because a local authority does not allow something does not mean it is not in the Code.
Clear as mud?
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