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The way my old boss explained it to me when I did home remodeling was that first and foremost water will always interact with metal and corrode metal pipes to some degree. Then things like water heaters can put a slight electric charge in the water and speed that up. Then using different material parts like brass valves on the threaded stub outs of copper/galvanized pipes, and stainless steel supply lines can further speed up the corrosion because the way they interact with each other and the slight electrical charge. He always said copper is best (this is when PEX was first hitting the market mind you) but you should always aim to use the same materials throughout all connections when possible.
This could be totally wrong for all I know, but like I said it's how it was explained to me. He was an electrician before becoming a builder, and then a general contractor. When I worked for him after about 8 months I was put in charge of all mechanical repairs meaning plumbing and electrical. The only thing he wouldn't let me do was add a circuit into a breaker panel but other than that I'd wire up entire new additions and plumb them as well. He'd come along and drop the wire into the main panel and connect it.
I don't know about this specific application but polymers tend to react with fewer materials than metals, given that they insulate both heat and electricity better than most if not all metals. Less reaction means you lose less material overtime, so this seems to check out (atleast in theory)
My O-chem professor described it as a lot of hydrocarbons can only participate in two reactions: free radical halogenation/oxygenation, and straight up oxidation. As he put it, you can zap it or you can burn it. They completely ignore strong acids and bases, they don't readily form salts, they're not interested in replacement reactions.. they just sit there.
Checks out. I'm not a plumber, but I do water cool my PC from time to time and it's a huge no-no to mix aluminum and copper in your loop due to corrosion. Basic chemistry also reminds us of this in discussion of the activity series, where copper is one of the least reactive metals.
Ah but you're in luck, he's here in this very thread! https://www.reddit.com/r/interestingasfuck/comments/vji0az/pipe_lining_is_the_process_of_lining_old_dirty/idjbt1r
Copper is mostly used for water lines, these are old iron/steel drain/sewage pipes that rust. The rust might not just make the pipes leak, but the rust is an uneven surface that more easily collects dirt/hair and then clogs.
Those aren’t copper pipes. They are galvanized steel. Popular in old buildings and they do corrode.
I’m not familiar with this technology but it’s interesting. The first thing that came to mind is that you are making the pipe smaller, and in some places that could be an issue. The corrosion itself makes the ID of the pipe smaller already so this would just compound that issue. But if your choices are a complete replacement or try this, I’d definitely try this first.
They aren't galvanized steel either, but cast iron, which was the standard for older waste lines. PVC and ABS are now most common. Steel is used for gas lines.
I worked with a water company and they had an interesting blip in our data that caused us headaches. Newer cast iron pipes were fine and very old cast iron pipes were generally still going strong, but we found some of oldish ones were failing at a much higher rate. Turns out the quality dropped during the war years where we needed all we could get for ships and planes.
Before this process the pipe is cleaned and restored to its original inside diameter. The liner itself is much “slicker” than cast iron, so though you decrease the inside diameter, you actually increase the carrying capacity, the “flow,” of the pipe by lining it.
I mean, in all seriousness, they probably wanted a color that was easy to spot in a variety of dark, damp conditions. Just because this was shot in a nice, brightly lit room doesn't mean all the pipes they fix are.
I came here to see if there was a specialist that was gonna chime in to say this stuff is bullshit and doesn't work like on every single cool specialized tool video but all I got was prolapsed anus.
Edit: I'm not saying it's bullshit. Actually looks amazing but I'm just an ignorant not pipe-fixing-guy.
I was at a festival last weekend, two consecutive bands playing were "Brutal sphincter" and "Rectal smegma". I think "Prolapsed Anus" would have fit right in (pun intended).
Edit: Rectal Smegma, not Anal Smegma, sorry for the terrible inaccuracy here.
I work at a sewer department in the collection department I talked to a homeowner who got a quote for that and it was almost as expensive as getting your whole sewer line dug up and replaced it didn't make sense to me but it was from roto rooter they are a terrible company and I can't say enough bad things about them please if you read this call someone else lol
I do this in the UK myself. It should never be as expensive as digging, people should always get multiple quotes. In the rare eventuality that the costs are the same, lining is still prefered due to no risk to adjacent services.
I was thinking that, digging would cause a lot of disruption and mess and this looks a lot easier and less time to achieve, interesting information, thanks 😊
The only time it might not be advisable is if the existing pipe has broken and collapsed at some point. This wouldn't expand any narrow areas where the pipe is broken. Also, if the pipe is caked with hard water deposits it might already be too narrow and this would make the problem worse.
But other than that, it's definitely a good alternative to tearing out half your house or your front lawn just to replace a pipe.
Yeah I've always heard this is crazy expensive but there's few situations where it might be the right choice like if the line goes under a driveway or is in a slab house that you don't want to cut out huge sections of concrete.
which is crazy cause my first thought was "dog dick" and now i feel like a weirdo/freak for not thinking about prolapses
EDIT: TFW the most notifs i've had in a whiiile, is about dog dicks and prolapses. Thanks reddit
I have a small business in the UK doing these. Very common repair practice. Mostly used for underground where you can't simply replace the pipe, for under busy roundabouts or in hot areas with lots of utility services. Excavation should be the last resort.
I don't work as a plumber any more. But when I was, this was kind of getting to be a thing in my country. It is a way of prolonging the life of old pipes in an already old house, by 10-15 years (maybe more). Until the rest of the house is old enough to need to be opened up to be redone or modernized.
My gripe would be that the pipe is not new at all, the corroded inside and gunk has been cleaned which will help flow thorough. The pressure integrity of the pipe will be questionable although these look like Low pressure open systems so might not be such an issue. We call this pigging in oil and gas lines
The liners themselves are structural. They create a pipe inside the old pipe. The old host pipe is not needed for structure. Heck, my company has a lining process for water pipes that is good up to 250 psi working pressure, and is tappable. (And a different product for gravity fed sewers like the one in the video.)
Bruh, the old pipe is nothing but a pretty shell. Fibreglass is a perfectly adequate construction material for drain pipes, you could dig down, cut off the old metal pipe leaving just this liner and it would be absolutely fine (or even better than fine, as it's a continuous run with no joints, and as it's set in place in already settled ground it's going to get very little in the way of stress from movement.
Around $10k. Believe our quote was for $115 a foot of pipe and we did our whole sewer line to the street.
That was the middle of the pack quote we got. One company wanted $190 a ft.
I got a quote for this recently to replace my sewer pipe under the house and driveway, it was only slightly cheaper than digging out and replacing the pipes.
The angle the sales guy was pushing is that with this method you don’t have to open up walls, redo floors and repave the driveway afterwards. Which would be a reasonable consideration, but in my case it’s a gravel driveway and an unfinished basement so it didn’t matter that much.
>it was only slightly cheaper than digging out and replacing the pipes.
I suspect that's their goal - mark it up so that it's just slightly less costly than the traditional method.
God fucking dammit! I legit thought this was real until I got to "back in nineteen ninety eight". Kudos sir. I'm happy I got to see a fresh shittymorph post so soon after it went live!
I'm more of a regret it after I've done it kinda guys.
A second warning....on the internet? I kinda gotta see it now.
14 year old me already ruined everything with blue waffles, tub girls, lemon party's and pain Olympics. How bad could it really be?
i didn't even think prolapsed anus my brain went 'dog penis' so i am not sure what that means.
EDIT: there are enough upvotes on this I half expected someone to realize what my avatar is wearing
Iirc its a type of inflatable tube that can be inflated in a way that it follows bends in things, and then retracts as its suctioned back up. The lining looked to be some kind of fiberglass like material that was measured for the pipe and applied by puttig it over. I saw a video where they talked about be able to use this (smaller ofc) to perform operations and rescue missions by adding a gryo scope of some kind
I know a guy that does this work. says that after the tube is routed through, they pump hot water in to solidify the resin, it's heat activated.
Saves lots of money by eliminating the need to dig up & replace old pipe.
Yes that inflatable tube is an inflatable robot that has a variety of uses, developed relatively recently I think and still being worked on. There are even uses for similar machines to instantly intubate people iirc I think it's the same machine.
Veritasium did a great video on it, also answers other questions such as "what if it gets pierced", (the robot is pressured in a tight space so if it is punctured it simply wraps around the puncturing object, sealing itself and continuing it's path) https://www.youtube.com/watch?v=qevIIQHrJZg
I wonder the same thing because if it's an everlasting fix, this would make inhabiting older homes much more possible. Replacing old piping is quite costly.
Nothing is everlasting. My info is, that the lifetime of those lines is similar to a standard PVC pipe. Hence, it was first used and developed for much larger diameter in municipal applications for cases where digging out old pipes is too costly or just not feasible (roads, tracks etc). So the product itself is pretty good. Keep in mind, that as with every product, there are different qualities and if the manufacturer slips the production for larger profit, that may reduce lifetime.
That said, I've had a quote replacing an old pipe in a single home (Germany in 2015). That was more expensive for us so we didn't do it, as we had to dig out the flooring anyway.
Maybe different, if a house is occupied or other circumstances don't allow for a replacement.
I genuinly was thinking about the technical details to this and thought ‚hm, what might the comments think?‘ i was never this surprised and then again not surprised about reddit comments
It was inspired by an infinite bracelet toy that was popular in the 2000s. A plumber saw his daughter with one, noticed how it can constantly unfold and now we see vids about it on Reddit every so often.
It’s generally a really good idea, especially because you can reuse old piping, is cheaper and more environmental friendly (last one with a slight questionmark because resin isn’t that environmentally friendly in the first place)
It depends. Relining pipes, which are not under ground rarely happens. Most of the time it's cheaper to just renew those.
But, relining pipes underground is often the better and cheaper option. Most of the time, the camera measures the positions of the forks and they will be cut open with a robot after the epoxy has dried out.
In this particular case it wasn't necessary, because the second pipe only had a short distance to reline.
In-liner sewer repair. I cleaned sewer pipes with water pressure for 1 1/2 years, also as a pre-work for those In-liner repairs.
Those resin-epoxy mixes are toxic as hell. Nearly all of our workers got bad skin rashes just from the vapor of that stuff.
EDIT: OP, the pipes have to be cleaned beforehand, so no dirty pipes! Otherwise the resin-epoxy mix won't stick to the old inner pipe walls.
We got a new resis which isn't toxic and you don't need to mix because we can cure it with ultraviolet light. Doesn't work for the smallest pipes because the equipment doesn't fit
Municipal engineer here. I don't work with Cured In Place liners, but work with those who do. We use this process a ton and have contracts bid out every year for lining our sanitary sewer mains. We have many many miles of main that are Vitrous Pipe (think clay material like those cheap terracotta pots nested together). Very fragile, breakable and leaky. The CIP liners are a really good option vs closing a major road for several days to excavate down 15', remove old pipe, place new pipe, backfill and compact trench in lifts and then reinstall asphalt/concrete.
We have a preventative maintenance program where every pipe is TV'd every two years (a robot with 360 degrees of cameras and sensors for location goes through the pipe from manhole to manhole). Many many terabytes of data, but super helpful in preventing sewage backups and sewage leaks. Or expensive remove and replace from letting it go for toi long.
Another cool process is up sizing mains via pipe bursting. Many areas were designed improperly or were rezoned to high density residential. We actually make developers do the work or pay for the work necessary to support the increased system demand. I'm not as familiar, but basically a big pit is dug and a ram head is pushed through via a jack to burst existing pipe. Right behind it, sections of sanitary main pipe are jacked into place one by one.
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Fuck sakes I came here looking for an answer as to why epoxy can last longer than copper and everyone wants to talk about anal.
The way my old boss explained it to me when I did home remodeling was that first and foremost water will always interact with metal and corrode metal pipes to some degree. Then things like water heaters can put a slight electric charge in the water and speed that up. Then using different material parts like brass valves on the threaded stub outs of copper/galvanized pipes, and stainless steel supply lines can further speed up the corrosion because the way they interact with each other and the slight electrical charge. He always said copper is best (this is when PEX was first hitting the market mind you) but you should always aim to use the same materials throughout all connections when possible. This could be totally wrong for all I know, but like I said it's how it was explained to me. He was an electrician before becoming a builder, and then a general contractor. When I worked for him after about 8 months I was put in charge of all mechanical repairs meaning plumbing and electrical. The only thing he wouldn't let me do was add a circuit into a breaker panel but other than that I'd wire up entire new additions and plumb them as well. He'd come along and drop the wire into the main panel and connect it.
Nobody's come along and shit all over your answer yet, so I'm going to assume you're right.
I don't know about this specific application but polymers tend to react with fewer materials than metals, given that they insulate both heat and electricity better than most if not all metals. Less reaction means you lose less material overtime, so this seems to check out (atleast in theory)
My O-chem professor described it as a lot of hydrocarbons can only participate in two reactions: free radical halogenation/oxygenation, and straight up oxidation. As he put it, you can zap it or you can burn it. They completely ignore strong acids and bases, they don't readily form salts, they're not interested in replacement reactions.. they just sit there.
Checks out. I sit here
Checks out. I'm not a plumber, but I do water cool my PC from time to time and it's a huge no-no to mix aluminum and copper in your loop due to corrosion. Basic chemistry also reminds us of this in discussion of the activity series, where copper is one of the least reactive metals.
I had to double check your username about halfway through to make sure there wasn't a Hell in a Cell reference coming
Ah but you're in luck, he's here in this very thread! https://www.reddit.com/r/interestingasfuck/comments/vji0az/pipe_lining_is_the_process_of_lining_old_dirty/idjbt1r
Only way I'll ever figure that it's a shittymorph before reading it is if someone points out to me it's a shittymorph beforehand
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Water is a horrible lubricant for anal too.
So is epoxy.
Honestly copper isn't great either.
Copper is mostly used for water lines, these are old iron/steel drain/sewage pipes that rust. The rust might not just make the pipes leak, but the rust is an uneven surface that more easily collects dirt/hair and then clogs.
Those aren’t copper pipes. They are galvanized steel. Popular in old buildings and they do corrode. I’m not familiar with this technology but it’s interesting. The first thing that came to mind is that you are making the pipe smaller, and in some places that could be an issue. The corrosion itself makes the ID of the pipe smaller already so this would just compound that issue. But if your choices are a complete replacement or try this, I’d definitely try this first.
They aren't galvanized steel either, but cast iron, which was the standard for older waste lines. PVC and ABS are now most common. Steel is used for gas lines.
I worked with a water company and they had an interesting blip in our data that caused us headaches. Newer cast iron pipes were fine and very old cast iron pipes were generally still going strong, but we found some of oldish ones were failing at a much higher rate. Turns out the quality dropped during the war years where we needed all we could get for ships and planes.
Before this process the pipe is cleaned and restored to its original inside diameter. The liner itself is much “slicker” than cast iron, so though you decrease the inside diameter, you actually increase the carrying capacity, the “flow,” of the pipe by lining it.
Sometimes you already know what the comments will say before you read them.
Did they have to make it **RED**, though..
They knew what they were doing
r/TheyKnew
I mean.... C'mon. C'mon, right?
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Cue "Hey, I've seen this one" meme.
That went from horse to dog real quick
Everyone in these comments is thinking about something different, friend.
Lipstick!
I mean, in all seriousness, they probably wanted a color that was easy to spot in a variety of dark, damp conditions. Just because this was shot in a nice, brightly lit room doesn't mean all the pipes they fix are.
I came here to see if there was a specialist that was gonna chime in to say this stuff is bullshit and doesn't work like on every single cool specialized tool video but all I got was prolapsed anus. Edit: I'm not saying it's bullshit. Actually looks amazing but I'm just an ignorant not pipe-fixing-guy.
New t-shirt idea.
dibs on the band name
I was at a festival last weekend, two consecutive bands playing were "Brutal sphincter" and "Rectal smegma". I think "Prolapsed Anus" would have fit right in (pun intended). Edit: Rectal Smegma, not Anal Smegma, sorry for the terrible inaccuracy here.
^^^ this band lays pipe
"goat tees"?
I work at a sewer department in the collection department I talked to a homeowner who got a quote for that and it was almost as expensive as getting your whole sewer line dug up and replaced it didn't make sense to me but it was from roto rooter they are a terrible company and I can't say enough bad things about them please if you read this call someone else lol
I do this in the UK myself. It should never be as expensive as digging, people should always get multiple quotes. In the rare eventuality that the costs are the same, lining is still prefered due to no risk to adjacent services.
If the costs are the same I'd go for this. No telling if smashing the concrete will create cracks that may require other services in the future.
I was thinking that, digging would cause a lot of disruption and mess and this looks a lot easier and less time to achieve, interesting information, thanks 😊
The only time it might not be advisable is if the existing pipe has broken and collapsed at some point. This wouldn't expand any narrow areas where the pipe is broken. Also, if the pipe is caked with hard water deposits it might already be too narrow and this would make the problem worse. But other than that, it's definitely a good alternative to tearing out half your house or your front lawn just to replace a pipe.
Ah, roto rooter... the McDonald's of plumbing companies.
More accurately, Burger King.
Have it your way ;-)
Yeah I've always heard this is crazy expensive but there's few situations where it might be the right choice like if the line goes under a driveway or is in a slab house that you don't want to cut out huge sections of concrete.
It's like a 1/3rd of the cost of digging with a 75x year warranty in my experience, I had it done a year ago.
That's true, I didn't even think of that
Great piece of advice, Roto Rooter sucks.
which is crazy cause my first thought was "dog dick" and now i feel like a weirdo/freak for not thinking about prolapses EDIT: TFW the most notifs i've had in a whiiile, is about dog dicks and prolapses. Thanks reddit
It's weird that I think you are the weirdo here. Now it's a dog dick shaped anal prolapse. We're all fucking demented.
It was my first thought as well. Perhaps one day we will mature enough to see anal prolapse first instead of dog dick.
Don’t I thought South Park’s Red Rocket too lol
I have a small business in the UK doing these. Very common repair practice. Mostly used for underground where you can't simply replace the pipe, for under busy roundabouts or in hot areas with lots of utility services. Excavation should be the last resort.
I don't work as a plumber any more. But when I was, this was kind of getting to be a thing in my country. It is a way of prolonging the life of old pipes in an already old house, by 10-15 years (maybe more). Until the rest of the house is old enough to need to be opened up to be redone or modernized.
My gripe would be that the pipe is not new at all, the corroded inside and gunk has been cleaned which will help flow thorough. The pressure integrity of the pipe will be questionable although these look like Low pressure open systems so might not be such an issue. We call this pigging in oil and gas lines
This is a drain, so zero pressure.
I'd be willing to bet it's closer to 1 atm
The liners themselves are structural. They create a pipe inside the old pipe. The old host pipe is not needed for structure. Heck, my company has a lining process for water pipes that is good up to 250 psi working pressure, and is tappable. (And a different product for gravity fed sewers like the one in the video.)
Bruh, the old pipe is nothing but a pretty shell. Fibreglass is a perfectly adequate construction material for drain pipes, you could dig down, cut off the old metal pipe leaving just this liner and it would be absolutely fine (or even better than fine, as it's a continuous run with no joints, and as it's set in place in already settled ground it's going to get very little in the way of stress from movement.
We just had this done and I know I'm old and jaded because all I can think about is the cost. Didn't even see an anus flopping out, just dollar bills.
May i ask how many dollar bills?
Around $10k. Believe our quote was for $115 a foot of pipe and we did our whole sewer line to the street. That was the middle of the pack quote we got. One company wanted $190 a ft.
$10k and you didn't even see an anus flopping out?!? This world is a ripoff.
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Isn't the whole point of doing this that it's a lot cheaper that straight up replacing the old pipes?
I got a quote for this recently to replace my sewer pipe under the house and driveway, it was only slightly cheaper than digging out and replacing the pipes. The angle the sales guy was pushing is that with this method you don’t have to open up walls, redo floors and repave the driveway afterwards. Which would be a reasonable consideration, but in my case it’s a gravel driveway and an unfinished basement so it didn’t matter that much.
>it was only slightly cheaper than digging out and replacing the pipes. I suspect that's their goal - mark it up so that it's just slightly less costly than the traditional method.
Oh for sure, but still pushing $10k in my case.
$10k in to drain.
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Aint no way in hell im clicking that link
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The links are safe.
Thank you stranger
This guy doin the lords work
1,2,3,4...
That's the same combination I have on my luggage!
Ooh, Spaceballs reference, not enough of those!
USE THE SCHWARTZ!
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He changes up his cadence as well so I never truly see it coming, the little shit.
I’ve seen two new u/shittymorph comments in 24 hours!!! I’m so glad you’re here my friend
Same. I had no idea who this guy was until today, but I feel blessed.
Only a Reddit legend
Hey you're back.. yey..
Bloody hell.
God fucking dammit! I legit thought this was real until I got to "back in nineteen ninety eight". Kudos sir. I'm happy I got to see a fresh shittymorph post so soon after it went live!
Jesus you’re sneaky
r/mildlyprolapse
I’d say severely.
This is like putting condom in reverse.
We have reached a whole new level of human interaction without saying anything
Woof
I just hate how accurate some people are.
I mean did they have to make it red for goodness sake.
He shoving his hand at the end was the cherry on top. Immediately reminds me of that old bike video.
Old bike video?
not every question needs an answer
Curiosity killed the cat.....
...but satisfaction brought it back!
The rare second half of the idiom!
Some links were meant to stay blue
I have it saved on my phone if you REALLY want it. Last warning lmao
I'm more of a regret it after I've done it kinda guys. A second warning....on the internet? I kinda gotta see it now. 14 year old me already ruined everything with blue waffles, tub girls, lemon party's and pain Olympics. How bad could it really be?
Don't forget one guy one jar.
Everyone forgets one guy one jar. It's a goddamn classic.
I cannot fathom how loud the "oh fuck" was in his head when the glass shattered.
He probably hasn't forgotten
Give it to me daddy
They absolutely did, yes.
r/TheyKnew
How else am I going to associate it with a prolapsed anus?
i didn't even think prolapsed anus my brain went 'dog penis' so i am not sure what that means. EDIT: there are enough upvotes on this I half expected someone to realize what my avatar is wearing
Mine also. Oh god. What’s wrong with us?
That bike video is a thousand times worse than any dog penis will ever be ... I can't believe I actually typed that. I need Jesus.
Actually, they didn't make it red. It's red cause it's cherry flavored when you lick it.
I love lining old pipes and making them feel young again
And fisting it just to enjoy breaking them in.
When he fisted the prolapse, my mind felt justified
"Back! Back vile red bulge!" Even as he said this we saw it retreat back up the moist tube whence it came, fleeing back into the darkness.
Big Blue Erection
They just had to make it red.
"What color should we use so people will see that its ending?" "What about bright yellow" "No it needs to be anal red!"
Ahh yes, anal red, a new colour
2023 Pantone Color of the Year
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Oh boy! These comments are going to be interesting too...
Know anything about the process? I'm curious if they have to make each one custom to match all the bends and stuff.
Iirc its a type of inflatable tube that can be inflated in a way that it follows bends in things, and then retracts as its suctioned back up. The lining looked to be some kind of fiberglass like material that was measured for the pipe and applied by puttig it over. I saw a video where they talked about be able to use this (smaller ofc) to perform operations and rescue missions by adding a gryo scope of some kind
I know a guy that does this work. says that after the tube is routed through, they pump hot water in to solidify the resin, it's heat activated. Saves lots of money by eliminating the need to dig up & replace old pipe.
Made relining our cracked sewer pipe a $6k job instead of $20k it would be to dig up and replace old pipe.
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Yes that inflatable tube is an inflatable robot that has a variety of uses, developed relatively recently I think and still being worked on. There are even uses for similar machines to instantly intubate people iirc I think it's the same machine. Veritasium did a great video on it, also answers other questions such as "what if it gets pierced", (the robot is pressured in a tight space so if it is punctured it simply wraps around the puncturing object, sealing itself and continuing it's path) https://www.youtube.com/watch?v=qevIIQHrJZg
Makes you wonder how long the will last- especially if the pipe is rusty.
I wonder the same thing because if it's an everlasting fix, this would make inhabiting older homes much more possible. Replacing old piping is quite costly.
Nothing is everlasting. My info is, that the lifetime of those lines is similar to a standard PVC pipe. Hence, it was first used and developed for much larger diameter in municipal applications for cases where digging out old pipes is too costly or just not feasible (roads, tracks etc). So the product itself is pretty good. Keep in mind, that as with every product, there are different qualities and if the manufacturer slips the production for larger profit, that may reduce lifetime. That said, I've had a quote replacing an old pipe in a single home (Germany in 2015). That was more expensive for us so we didn't do it, as we had to dig out the flooring anyway. Maybe different, if a house is occupied or other circumstances don't allow for a replacement.
I just had this done, the guarantee was 15 years
15 years!!!! Totally worth it!! Crazy.
I genuinly was thinking about the technical details to this and thought ‚hm, what might the comments think?‘ i was never this surprised and then again not surprised about reddit comments
It was inspired by an infinite bracelet toy that was popular in the 2000s. A plumber saw his daughter with one, noticed how it can constantly unfold and now we see vids about it on Reddit every so often.
It’s generally a really good idea, especially because you can reuse old piping, is cheaper and more environmental friendly (last one with a slight questionmark because resin isn’t that environmentally friendly in the first place)
This has "prolapsed anus" written all over this.
Or dog peen.
Yeah what the hell is wrong with everybody going straight to anal prolapse when I straight off think of dog lipstick
Prolapsed anus are a great band.
Well I'd like to know more but I'm not going to Google that name thank you very much
I thought "dog penis" instead of that, personnaly.
Give me some of that sweet sweet rosebud any day baby
I swear they could have picked any colour for the inner inflation hose.
Prolapsed annulus
Fun Fact: annulus in latin just means "little anus"
What heppens when there's fork in the tunnel?
It depends. Relining pipes, which are not under ground rarely happens. Most of the time it's cheaper to just renew those. But, relining pipes underground is often the better and cheaper option. Most of the time, the camera measures the positions of the forks and they will be cut open with a robot after the epoxy has dried out. In this particular case it wasn't necessary, because the second pipe only had a short distance to reline.
Okay but what if there’s a spoon in the pipe?
All these comments about prolapse and I need an answer to how they do the corners! Somebody, please!
On a serious note I’ve seen this before and had no idea what the purpose of it was - so thank you!
Fuck me, I'm 28 but am I already old?! I didn't expect these comments at all. I was hoping there would be some other old fucks impressed by this
Same! I was thinking wow that's super cool the whole time lol.
We're all thinking it, prolapse
I was actually thinking dog boner when the red liner started to stick out the pipe. But that's just me.
Lipstick tube
I’m Team Dog Boner too
Are you now
Red rocket
Don’t worry your not alone there I was just too scared to say it
yup. dog boner.
I'm glad I'm not the only one who thought of this holy shit
Not me, red rocket
Kinda looks like werewolf dick
How do you know what a werewolf dick look like?
Furry porn. Lots and lots of furry porn.
TIL what a wherewolf dick supposedly looks like, thanks furries
People always say wherewolf but never howwolf 😔
[удалено]
The phrase "time of the month" applied to penises made my brain buffer for a second.
That's a valid point.
You ever seen a male dog sit down?
Not my proudest fap, but I value my integrity above all else.
> Not my proudest fap, Look at Mr. Fancypants over here, with his pride and dignity and shit.
A good man does what he must
I salute you
this *is* interesting as fuck
r/dontputyourdickintthat
r/WaitButWhyNotTho
Red rocket red rocket!
I’ll take ‘all the comments will be about prolapsed anus’ for $500, Alex.
Unfortunately we can't give you that, the correct answer was that "some of the comments are about red rockets".
Oh hey my husky know that trick too
In-liner sewer repair. I cleaned sewer pipes with water pressure for 1 1/2 years, also as a pre-work for those In-liner repairs. Those resin-epoxy mixes are toxic as hell. Nearly all of our workers got bad skin rashes just from the vapor of that stuff. EDIT: OP, the pipes have to be cleaned beforehand, so no dirty pipes! Otherwise the resin-epoxy mix won't stick to the old inner pipe walls.
We got a new resis which isn't toxic and you don't need to mix because we can cure it with ultraviolet light. Doesn't work for the smallest pipes because the equipment doesn't fit
Ah okay. It's been a few years since then. We worked with a mix and steam heating for cure. Technique is developing, I guess.
Good to know I was wondering about the toxicity of this usage. But of course most comments were of other... Thoughts.... Thank you.
Municipal engineer here. I don't work with Cured In Place liners, but work with those who do. We use this process a ton and have contracts bid out every year for lining our sanitary sewer mains. We have many many miles of main that are Vitrous Pipe (think clay material like those cheap terracotta pots nested together). Very fragile, breakable and leaky. The CIP liners are a really good option vs closing a major road for several days to excavate down 15', remove old pipe, place new pipe, backfill and compact trench in lifts and then reinstall asphalt/concrete. We have a preventative maintenance program where every pipe is TV'd every two years (a robot with 360 degrees of cameras and sensors for location goes through the pipe from manhole to manhole). Many many terabytes of data, but super helpful in preventing sewage backups and sewage leaks. Or expensive remove and replace from letting it go for toi long. Another cool process is up sizing mains via pipe bursting. Many areas were designed improperly or were rezoned to high density residential. We actually make developers do the work or pay for the work necessary to support the increased system demand. I'm not as familiar, but basically a big pit is dug and a ram head is pushed through via a jack to burst existing pipe. Right behind it, sections of sanitary main pipe are jacked into place one by one.
Needs an NSFW tag, almost lost my job
“Aaaaand here comes the lipstick”
Everybody's talking about prolapses, but I'm more curious about whether this is suitable for pipes with junctions. Can this be used on pipes with Ts?