CPVC plumbing opinions
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CPVC plumbing opinions (by J [FL]) Jul 11, 2019 6:26 PM
       CPVC plumbing opinions (by Roy [AL]) Jul 11, 2019 6:42 PM
       CPVC plumbing opinions (by J [FL]) Jul 11, 2019 6:58 PM
       CPVC plumbing opinions (by Roy [AL]) Jul 11, 2019 7:13 PM
       CPVC plumbing opinions (by del [MD]) Jul 11, 2019 7:32 PM
       CPVC plumbing opinions (by #22 [MO]) Jul 11, 2019 7:33 PM
       CPVC plumbing opinions (by Robin [WI]) Jul 11, 2019 9:33 PM
       CPVC plumbing opinions (by Robert,OntarioCanada [ON]) Jul 11, 2019 10:47 PM
       CPVC plumbing opinions (by BRAD 20,000 [IN]) Jul 12, 2019 1:41 AM
       CPVC plumbing opinions (by MMIT [VA]) Jul 12, 2019 6:29 AM
       CPVC plumbing opinions (by gevans [SC]) Jul 12, 2019 6:56 AM
       CPVC plumbing opinions (by DJ [VA]) Jul 12, 2019 7:54 AM
       CPVC plumbing opinions (by J [FL]) Jul 12, 2019 8:07 AM
       CPVC plumbing opinions (by J [FL]) Jul 12, 2019 10:17 AM
       CPVC plumbing opinions (by Vee [OH]) Jul 12, 2019 11:23 AM
       CPVC plumbing opinions (by Opinionated [NC]) Jul 12, 2019 11:24 AM
       CPVC plumbing opinions (by Robert J [CA]) Jul 12, 2019 12:09 PM
       CPVC plumbing opinions (by Dave [MO]) Jul 12, 2019 12:44 PM
       CPVC plumbing opinions (by J [FL]) Jul 12, 2019 1:05 PM
       CPVC plumbing opinions (by J [FL]) Jul 13, 2019 7:27 AM

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CPVC plumbing opinions (by J [FL]) Posted on: Jul 11, 2019 6:26 PM
Message:

I have a house that's vacant that's undergoing a lot of rehab. It has CPVC that I believe is about 15 years old (installed by someone else before I bought the place). The house is slab foundation the plumbing goes up through the attic.

To my knowledge there haven't been any pipe leaks but I've heard a lot of mixed reviews about CPVC. The lifespan is supposed to be 50-70 years but then I've heard it gets brittle over time and it prone to breaks. I don't know how much of this is real and how much is scare tactics to sell replacement products.

Would you repipe this house to PEX while vacant, or leave the CPVC as is? Thanks.

--72.188.xxx.xxx




CPVC plumbing opinions (by Roy [AL]) Posted on: Jul 11, 2019 6:42 PM
Message:

I would re-pipe in PEX ASAP. You are operating on borrowed time with that PVC stuff,..especially in the attic. PVC is great for drain pipes, but that is about it. All of my houses were piped in PEX and I have never had a problem with it. --68.63.xxx.xxx




CPVC plumbing opinions (by J [FL]) Posted on: Jul 11, 2019 6:58 PM
Message:

Thanks Roy. This is CPVC, not PVC, though.

It is designed to go through attics, I'm just not sure about its longevity. A lot of conflicting info about it. --72.188.xxx.xxx




CPVC plumbing opinions (by Roy [AL]) Posted on: Jul 11, 2019 7:13 PM
Message:

J,

Having any water piping (regardless of type) going through

the attic would make me nervous, especially in a rental property. When a water pipe busts in an attic, you may not find out about it until the tenant calls you at 10:00p.m. and says our living room ceiling has just collapsed and is now on the living room floor! (this actually happened at one of my rentals in 2012).

Is there any way to re-pipe this house without going through the attic? I know this is a slab foundation house, but there has to be another way. --68.63.xxx.xxx




CPVC plumbing opinions (by del [MD]) Posted on: Jul 11, 2019 7:32 PM
Message:

CPVC gets very brittle with age. When new, CPVC cuts like butter with a " garden shear" type tool. Try to cut old CPVC with the same tool and the pipe shatters into small pieces. I have started using Sharkbites for older CPVC and gently cutting the pipe with a fine hacksaw blade. A plumber told me the chlorine in water embrittles CPVC. I doubt this because my home is on a well and has very brittle piping.

PEX for the win, Alex :-) --157.204.x.x




CPVC plumbing opinions (by #22 [MO]) Posted on: Jul 11, 2019 7:33 PM
Message:

Unless you're doing a full remodel, i wouldn't worry about it.. it's not my first choice... if worried about damage, just make sure everyone living there knows where the shutoff is... anything goes wrong, you can shut it down quick... --174.234.xxx.xxx




CPVC plumbing opinions (by Robin [WI]) Posted on: Jul 11, 2019 9:33 PM
Message:

We bought a house that was repiped in CPVC at some unknown time in the past. We needed to redo some of it (it was sagging in the middle of the basement ceiling, etc.). Every time we touched it, it developed another leak somewhere else. Another vote for PEX. It's cheap and tough and easy to install. Do it now and sleep peacefully. --204.210.xxx.xxx




CPVC plumbing opinions (by Robert,OntarioCanada [ON]) Posted on: Jul 11, 2019 10:47 PM
Message:

Consider using a commercial type of A pex where a special expansion tool is required. The system can be installed with a manifold where one common 3/4" then 1/2" that minimizes the amount of pex pipe. Another advantage with commercial pex is a sprinkler system can easily be installed as well. Commercial A type pex is more easily to bend along with install is easier as there are no crimps. B type pex has crimps where many of the big box stores only carry B type pex. More time consuming to install along with crimps. Uponor has a website on install or view some videos on You Tube. --147.194.xxx.xx




CPVC plumbing opinions (by BRAD 20,000 [IN]) Posted on: Jul 12, 2019 1:41 AM
Message:

J,

Pex for sure. Now while itís easy. Only takes a few hours to replumb an entire house. We use home run system every time. Simpler. Faster. No joints to slow the labor or cause problems later.

We use Uponor - no clamps or rings. Buy the Milwalkee tool and it goes fast. Still cheaper than a few hours of labor.

Know that plumbers will insist on the clampmmethod because it creates more work for them.

Your cpvc is VERY brittle and will begin cracking any day now.

We put in TONS of cpvc because it was the latest and greatest...at the time. Ow itís causing trouble.

We are replacing it house by house.

BRAD --73.102.xxx.xxx




CPVC plumbing opinions (by MMIT [VA]) Posted on: Jul 12, 2019 6:29 AM
Message:

Another vote for PEX.

Get the water lines out of the attic and run them along the top of the walls.

I have several slab houses and water lines have been rerouted along the ceilings. --70.188.xx.xx




CPVC plumbing opinions (by gevans [SC]) Posted on: Jul 12, 2019 6:56 AM
Message:

One more vote for PEX and do it now!

Cheap, easy, fast insurance. --69.80.xx.xxx




CPVC plumbing opinions (by DJ [VA]) Posted on: Jul 12, 2019 7:54 AM
Message:

My opinion:

Yes vote for PEX

What's the problem with the attic? Don't you have insulation up there? Just tuck it under the insulation. No freezing problem with pipes in FL - right? --68.10.xxx.x




CPVC plumbing opinions (by J [FL]) Posted on: Jul 12, 2019 8:07 AM
Message:

Thanks...I was kind of hoping to leave it in place...but the consensus here and elsewhere is that it's bad news over the long haul. I hope problems don't crop up with PEX in the future too! It seems they turn out these plumbing systems and don't realize the problems until decades later. Even copper has issues in Florida.

DJ I don't think there's a problem with running it through the attic here. It's commonly done in Florida.

I actually had a PEX repipe done years ago (I sold the rental later) because that house had polybutylene when I bought it. --72.188.xxx.xxx




CPVC plumbing opinions (by J [FL]) Posted on: Jul 12, 2019 10:17 AM
Message:

Brad, or anyone else who does this themselves...did you get a certification?

There was an LL (on another forum) that I remember from years ago. She got some kind of training and a certification to do the Wirsbo Pex. --72.188.xxx.xxx




CPVC plumbing opinions (by Vee [OH]) Posted on: Jul 12, 2019 11:23 AM
Message:

I aim towards PEX whenever possible, rodents chew thru both cpvc and pex so they have not made it into the cpvc lines - by the way the -c- in cpvc is clorine and the heat makes it get brittle faster than going thru a basement, if you lay insulation over either one it will help keep the water temps hot and cool respectively. --76.188.xxx.xx




CPVC plumbing opinions (by Opinionated [NC]) Posted on: Jul 12, 2019 11:24 AM
Message:

Google search finds lots of opinions. There are different grades of CPVC. Installers often choose the lowest priced. Flowgard Gold is the much better quality. I have never encountered a problem with it.

But CPVC installers must understand the effects of thermal coefficients. Long straight runs of CPVC will increase in length as temperature increases-- as with hot water lines. The pipe will make noise as it rubs against hangers and other things. Sagging means that the installer did not support it per code. (what other goofs did he make?)

CPVC must not be regularly exposed to direct Sunlight. Same with PEX. --66.44.xxx.xx




CPVC plumbing opinions (by Robert J [CA]) Posted on: Jul 12, 2019 12:09 PM
Message:

As a licensed plumbing contractor with around 50% of the homes in the San Fernando Valley being built on slabs, I know the difficulty re-piping a property.

I use one of two methods.

1) Run the pipes in the attic and then down in the wall to the fixtures.

2). Run the pipes in the ground along the structure, then the pipes come out of the ground and then into the wall near to the fixtures. The pipes have to be well insulated.

With all of the labor, opening and closing of walls, I go with thick wall Type "L" copper pipes.... --47.156.xx.xx




CPVC plumbing opinions (by Dave [MO]) Posted on: Jul 12, 2019 12:44 PM
Message:

CPVC would not be a concern for me. I like PEX like everyone else but if it's not broke or junk I wouldn't spend the $$$ it would cost to replace. Local here is 350 to bath sink, 350 to water closet, and 350 to tub, adds up fast.

Now, if you are doing a complete remodel, gut out, yes that would be the best time when the walls are open and easy to access.

Would you post your bid for PEX.

Are you going to flip or keep as a rental? --72.24.xx.xx




CPVC plumbing opinions (by J [FL]) Posted on: Jul 12, 2019 1:05 PM
Message:

I got a bid for $2800 to repipe with Zurn Pex but I think I could probably get one a little bit lower. It's a one and a half bathroom house.

I'm planning to keep this place long term as a rental.

It's not a gut job but the shower is gutted right now. --72.188.xxx.xxx




CPVC plumbing opinions (by J [FL]) Posted on: Jul 13, 2019 7:27 AM
Message:

I don't like to this, but I called my insurance agent to be sure because PEX isn't allowed by some of the home owner's insurance companies here so I wanted to be sure before I did anything...she said it was okay with my carrier...but then I told her that it was CPVC and she said that was "great" and that the insurance companies love CPVC because it gets few claims and I should just leave it as. Huh? Now I'm totally confused. --72.188.xxx.xxx



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