Questions tagged [pvc]

Polyvinyl Chloride(PVC) is a common type of plastic pipe, used for both plumbing as well as electrical conduit. Use with the [plumbing] or [conduit] tags when your question is specific to this type of pipe.

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15
votes
2answers
120k views

Which type of PVC for exposed outdoor use?

I'm looking at hooking up some rain barrels using PVC piping. Is there a certain type of PVC that would be best to use for this, considering that it will be exposed to sun/rain/heat/cold? Lots of ...
13
votes
11answers
4k views

How can I cut this recessed PVC pipe?

The top of this pipe is gouged where it needs to seal with the new shower base. I need to trim off a few inches from this pipe so I can glue on a clean piece. the hole is 10" square. The pipe ...
13
votes
1answer
31k views

What are the uses of the various schedules of PVC pipe?

I had a plumber come out the other day to do some work and I offered up some spare PVC that I had leftover from various projects and he told me that it was schedule so-and-so and wouldn't be ...
12
votes
3answers
33k views

How can I reseal a shower drain on a pre-formed shower base?

The shower drain in my first-floor bathroom leaks. Based on looking from the basement below, it seems the leak is at the point where the drain assembly should clamp to the shower base (which is pre-...
11
votes
8answers
101k views

What should I do about a pin hole leak in pvc water pipe?

I have tried JB Weld products, epoxy, water epoxy, and water tape. I do not want to replace the pipe--just fix it for now. The pipe is a cold water supply.
10
votes
3answers
2k views

A 1“ T fits the pipe and a 1” valve does not, why?

Both of these are labeled 1". The T on the left fits the little bit of grey pipe. The valve on the right is too small. What am I missing?
10
votes
2answers
958 views

garbage disposal relocation

Complete newbie to DIY-ing as well as Plumbing. My wife and I decided to upgrade our kitchen sink and we chose a single basin, 9" deep model. I've been reading a lot on plumbing best practices ...
10
votes
7answers
50k views

How do I easily separate unglued PVC pipe from joints?

I've been retrofitting an existing PVC irrigation system around my house. Part of that work requires that I work in shallow holes adding T joints and elbows in places where there were none before. In ...
9
votes
5answers
5k views

How to create a hidden plug for PVC pipe

I'm working on building a semi-permanent set of full-size soccer goals. Full-size in this case means 6' x 18'. Because of the size and spans, I'm planning on using 1.5" PVC pipe and fittings. And ...
8
votes
13answers
31k views

Drilling “misting” pin holes in PVC

I built raised gardens this year and added cheap DIY PVC irrigation. I used a 1/16" drill bit and drilled several holes in 1/2" PVC pipe. The 1/16" drill bit was the smallest I had but the holes ...
8
votes
2answers
15k views

White PVC pipe for electrical wiring

I am running about 20 feet of 8 AWG 4 wires through 3/4 inch PVC piping for a electrical power generator (transfer switch to L14-30 outlet). Wanted to know, codes aside, if it is fine to use white ...
8
votes
3answers
1k views

What is this part near the entry point to my irrigation system

Here is the overall view of the valve access box: The valve is turned off because the pipe directly after the valve has come loose from the valve. I'd like to repair this, but I'm not sure what the ...
8
votes
3answers
50k views

Does it matter what kind of pipe is used for a sink drain?

The drainpipe in our sink broke (corroded right through in several places). Not having the time to find my pipe wrench (much less actually replace the pipe) we called a plumber. The plumber replaced ...
7
votes
3answers
1k views

Is there anything to help reinforce PVC pipe?

I am plumbing a pond and have some above-ground PVC pipe. I used the purple and blue glue to attach the pipes, but am concerned some pipes could still come loose. I plan to wrap the pipes with duct ...
7
votes
6answers
3k views

How can I repair a leak in a PVC water line without bringing down the system for an extended period of time?

I have a small leak in 1" PVC pipe at a connection to a shutoff valve. It looks like not enough PVC cement was used. Taking this apart to repair it will require the entire household water system to be ...
7
votes
1answer
3k views

How do I replace a section of a 4" cast iron pipe with PVC?

I am working on our upstairs bathroom and plan on moving some of the fixtures around to a different side of the room. This means I need to make changes to where the drain comes into the stack (I want ...
7
votes
3answers
6k views

Per IRC, are flexible PVC couplings ever allowed to be used above ground for PVC to PVC connections?

It is my understanding that flexible PVC couplings (e.g. Fernco) meet the definition of Mechanical Joint in the international residential code. The 2015 IRC prohibits the use of Mechanical Joints on ...
6
votes
3answers
23k views

Do I need a rain\snow cover on this furnace vent?

Just bought a house that had a new furnace installed this summer. Vent number 1 in the image is for the furnace (2 is the water heater and 3 is sump). As you can see in the image, 2 and 3 both would ...
6
votes
3answers
4k views

Does UV exposure cause deterioration to PVC pipe which can lead to catastrophic failure?

I've heard over the years that PVC should never be exposed to ultraviolet radiation, or the pipe will crumble and disintegrate. Though upon researching the subject, it seems as though UV radiation ...
6
votes
2answers
17k views

Is a splice permitted in a PVC conduit body?

I'm talking about something like this Type LB Conduit Body
5
votes
3answers
653 views

Is EMT or PVC more durable under a porch that gets rain?

I have a 2nd story porch that I want to put lights under. I'm not sure whether EMT or PVC will be more durable in the long run. It will get both rain and some sun, and I'd like it to last a long ...
5
votes
3answers
16k views

Clothes dryer exhaust duct touching PVC pipe

I'm running exhaust duct for a new electric dryer. There's 10cm(4in) space between a 5cm PVC drain pipe and the wall where I wanna run the rigid duct. My concern is that the heat from the dryer might ...
5
votes
2answers
2k views

Is Schedule 80 PVC Conduit Suitable for Short Directional Boring?

I'm running some electrical wire around where I'm building my house. There are two places that I'd rather not dig through: A driveway and a creek. The creek is the most important, because the state ...
5
votes
2answers
24k views

Can PVC be encased horizontally in concrete

Have an unfortunate "this is the only way this is going to work" situation with a DMV repair, resulting in the repair portion of the drain pipe, having to run 4 feet horizontally (yes, at the correct ...
5
votes
1answer
5k views

How do I extract a snapped off PVC nipple?

I have a 3/4" PVC sprinkler system, and one of the nipples has snapped off inside the 1/2" threaded fitting. I have a nipple extractor which has worked very well in the past but I guess this time I ...
5
votes
1answer
1k views

Code requirement for burying electrical PVC that runs along foundation

I need to run a circuit to the opposite side of the house from the service panel to an AC disconnect box. From my understanding this could be run with THWN wire in Schedule 80 PVC above ground if it's ...
5
votes
1answer
220 views

Repairing Damaged Toilet Flange

I've bought an old house, and I've decided to fix a rocking toilet. I found two flange repair kits stacked on top of the original broken toilet flange. When sawing the flange to remove it, I found ...
5
votes
1answer
494 views

How can I repair a Palruf roof?

I've installed a couple of transparent Palruf PVC sheets for a treehouse roof. I've gotten some small (several inch) holes in it that I'd like to patch up. I have some small pieces of Palruf left over ...
5
votes
2answers
3k views

Should I use glue or o-ring joints on a buried PVC waste pipe?

What are the advantages and disadvantages of both systems of joints for "non-pressure" pipes that are buried? O-ring joints are more expensive, but easier to do on buried pipes. Glue on the other ...
5
votes
1answer
30k views

Can I move my bathroom sink's drain pipe about 6 inches to the right?

I found the vanity I wanted for my bathroom, but it doesn't fit due to the position of the drain pipe. It needs to move about 6 inces to the right. I assume there is some sort of adapter or ...
4
votes
6answers
20k views

How to cut threads on 2" PVC pipe?

I have some sections of 2" PVC and some Tee fittings that I need to join. On the Tee fittings, the main line is threaded and the outlets are smooth. How can I cut the threads in the straight ...
4
votes
5answers
2k views

Is an ethernet cable threaded inside a metal conduit is more protected from electromagnetic interference? [closed]

I am at the end of a renovation, and only now  I discovered that it is not recommended to run ethernet cable in parallel and closely to power cables, even if they are in separate conduits, but I may ...
4
votes
3answers
32k views

PVC threaded fitting broken off. How can I remove?

showing broken fittting that is stuck... the white fitting is the new replacement.. you see threaded end is same as piece stuck in the pool filter
4
votes
4answers
1k views

Adding bug screen to 3/4 PVC

I have a 3/4 inch PVC line that is draining from my water heater pan through an exterior wall. I want to add some bug screen to it so that no roaches or other unwanted pests crawl up it. From what I ...
4
votes
2answers
183 views

Can I use primer for multiple purposes?

I want to join some PVC pipes. I've got primer (from a store that only sells paint) and on the back it says it's suitable for PVC. I doesn't say anything about paint or joining. Can I use this kind of ...
4
votes
1answer
1k views

Can I just cover PVC pipes with elbows with soil underground?

I had a leak in my piping, I fixed it and I'm going to cover it with soil. My concern is that somebody can walk over this spot when it's underground. Can pipe elbows break in that case and how can I ...
4
votes
1answer
2k views

What is the lifespan of pvc cement?

My house is 32 years old, due to other reasons I have my bathroom floor removed. Looking down at the PVC pipe that is used for the tub, sink and toilet got me wondering. What is the lifespan of ...
4
votes
3answers
16k views

How to fix broken toilet flange from over tightened bolt?

I broke my PVC toilet flange when I over-tightened the bolt used to secure the toilet to the flange. How do I fix this without replacing the entire PVC fitting? This PVC flange is glued to the drain ...
4
votes
2answers
8k views

How to patch this PVC elbow connection?

I bought a home about 3 months back, and recently discovered a slow leak under a wall in my utility room. I ended up removing that part of the wall to get to it, and the leak is coming from the feed ...
4
votes
3answers
6k views

Is there a PVC piping primer/cement alternative for a non-plumbing project?

I'd like to construct a case out of PVC schedule-40 bits and pieces. The case is for a rifle-cleaning rod that I want to keep from getting bent/scraped. I'll need to connect schedule-40 pipe to caps/...
4
votes
3answers
25k views

Draughty PVC window

Some of the PVC windows in my house lets wind and cold in, so I need to adjust them to cut off the draught. I have no experience in adjusting them, so I need to find out how I can achieve this. Any ...
4
votes
4answers
17k views

How can I join PVC pipe in a food safe way?

I want to close a rectangular vertically mounted pipe with a piece of flat PVC plastic. I will use the pipe for growing herbs on the wall outside my house, so it needs to be non-toxic. I was thinking ...
4
votes
2answers
3k views

How to make 3“ concrete ”legs" via reusable casting structure?

I have a design for a (set of) planter(s) I'm trying to make, and to make the design I have in mind, I need an 18" long 3" OD leg with a bit of rebar in them. (let's say 100 of these bad boys in toto)...
4
votes
2answers
204 views

Basement rough-in PVC drain pipe is not centered with stud

Our basement rough-in PVC drain pipe is not centered with the wall studs. It is not a load bearing wall since it's a newly framed wall (wall can no longer be moved). We now have to extend the drain to ...
4
votes
2answers
4k views

How can I make tiki torch holders from PVC pipe or equivalent?

I have a plan to attach some short segments of PVC piping to a pool fence and use them as holders for tiki torches. These are the questions that I'm trying to find answers to: Can you suggest ...
4
votes
3answers
22k views

Do I have to bury PVC pipe if used outdoors?

I will be installing a hose spigot in a lower patio area that, till now, has had to have several lengths of hose to provide water for some potted plants. There is an existing spigot on a 3/4" copper ...
4
votes
1answer
5k views

How to drill and waterproof a hole in cinder block for PVC drain?

I have a new electric hybrid water heater that emits condensation from a drain tube (normal) which is a bit different than a traditional electric water heater. Right now I have a bucket under the ...
3
votes
4answers
2k views

Is it expensive to switch from an 80% to a 90% efficient furnace, to comply with the new mandate?

I'm told by some HVAC companies via mail flyers and websites (example) that it may be very expensive to retrofit new PVC pipes to update an 80% efficient furnace to a 90% one. Therefore, the logic ...
3
votes
7answers
19k views

What adhesive or glue should I use to attach velcro to PVC pipe?

I have some vertical standing pvc pipes that I want to attach velcro to. I wish to hang some fabric from the velcro, and thus there will be some forces pulling the velcro from the pvc. I've already ...
3
votes
7answers
29k views

Can I thin thick PVC cement with primer?

I needed to make a repair on some PVC pipe. When I opened my can of cement, I discovered that is was thicker than when new. I purchased the cement around a year ago and kept the lid firmly closed. The ...

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