How do you connect PVC to cast iron?

Using a regular wye, cut two lengths of PVC that will slip into the ends of the wye fitting and hold the no-hub fittings that attach the PVC to the cast iron. Measure the length of the assembly, and add 1/4 in. Then mark that length on the cast iron with pencil lines, and use zip ties to mark the cut on the pipe.

Can you thread PVC pipe into cast iron?





Quote from the video:
Quote from Youtube video: Slide the gaskets onto each end of the PVC assembly and fold each gasket back on itself then insert the assembly and unfold the gaskets onto the cast. Iron.

How do you tap a cast iron stack?

Quote from the video:
Quote from Youtube video: In this video we're going to cut a hole in a cast iron soil state this is source what we can connect a waste back into the soil stack using a mechanical boss. I will cover that in a later video to cut

Should I remove cast iron stack?

Signs It’s Time To Replace Your Cast Iron Stack



Constant Backups – If you have backups in all of your toilets, sinks, and showers, the cast iron stack (which connects all of them) is probably faulty. Sewer Odor – If you can smell sewage in your house, you can be confident that your cast iron stack is damaged.

How do you connect PVC pipe to metal pipe?

Quote from the video:
Quote from Youtube video: So a socket by thread nipple. That that works really well for for this type of transition. And that's because the nipple is going to be a lot thicker all the way through.

What size is cast iron drain pipe?





Cast Iron Building Drain Piping: Identification, Diagnosis, Repair. his heavy material is available in diameters from 2″ and up, with typical main building drains of 4″ to 6″ in diameter in residential buildings.

What is the diameter of cast iron soil pipe?

Service Cast Iron

Size (in) Inside Diameter of Hub (in) Outside Diameter of Barrel (in)
6 6.94 6.30
8 9.25 8.38
10 11.38 10.50
12 13.50 12.50

What is the best thread sealant for PVC?

Q: What is the best thread sealant for PVC? Pipe dope generally works best on PVC, and Rectorseal 23631 T Plus 2 Pipe Thread Sealant is a top joint compound for this purpose.

How are cast iron drain pipes joined together?

If you have cast iron drain (waste) pipes they are likely joined with a lead & Oakum seal. Oakum is a hemp material coated in tar, it is placed into the joint to seal it (Oakum expands when it gets wet to seal the joint).

How long do cast iron stacks last?



between 50 and 100 years

Wear and tear is normal in residential pipe systems. One frequently asked question is “How long do cast iron drain pipes last?” Cast iron waste pipes last anywhere between 50 and 100 years. However, it may be time to replace cast iron pipes long before their lifetime is up.

How do you separate cast iron drain pipes?

How to Take Apart Cast-Iron Plumbing

  1. Install a 14/-inch drill bit into a cordless drill. …
  2. Pry out the lead, using a flathead screwdriver. …
  3. Fit the chain on the snap-cutters around a cast-iron pipe to cut it into shorter sections. …
  4. Compress the handles to snap-cut the pipe at that point.



When should I replace my cast iron stack?

6 warning signs your cast iron plumbing stacks need to be replaced:

  1. Slow drainage. If your toilets or sinks have started to drain slowly, and normal unclogging procedures aren’t working, you could have sediment buildup that is clogging your pipes.
  2. Discolored water. …
  3. Wet spots. …
  4. Bad odor. …
  5. Mold. …
  6. Barnacles.


Should I replace cast iron sewer pipe with PVC?

Durable – Polyvinyl Chloride can last up to 70 years or more. Replacing cast iron pipe is expensive as they deteriorate from oxidization. Cleaner – Because PVC doesn’t corrode or rust, you won’t get any metal in your sewage or drinking pipes. It’s a non-toxic material, safe to use for all kinds of plumbing purposes.

How long do cast iron plumbing pipes last?



between 80-100 years

Cast Iron: Cast iron pipes last between 80-100 years, and are built to withstand a high amount of water pressure. However, like galvanized steel, cast iron piping has been found to be susceptible to rust over time.

How do you fix a cracked stack pipe?

Quote from the video:
Quote from Youtube video: Again okay so for the jv weld it's similar to bondo it's similar to all the other types of patches and fixes that have some type of an epoxy component to them is we're going to mix up equal amounts.

Can You Use Flex Seal on cast iron pipes?

Many people have used Flex Seal liquid on cast iron pipes with great success just make sure it’s not under pressure.

Why do cast iron pipes crack?



When iron becomes oxidized, it rusts. As rust flakes off layer by layer over time, the gradual deterioration weakens pipe. As a result, the pipe could crack or develop a hole.

How do you fix a crack in a cast iron drain pipe?

If you have a small section of visible cast iron drain pipe with a leak or crack, you may repair the pipe yourself. But only if the problem is small and isolated, if there are leaks and cracks everywhere, you better call the professionals. You can use cast iron repair paste or plumber’s epoxy to fix holes or leaks.

Does JB Weld work on cast iron pipes?

J-B Weld FiberWeld Pipe Repair Cast



When activated by water, the product forms a strong, waterproof bond that hardens like steel in 15 minutes. The kit includes an epoxy putty stick for additional sealing strength. Surface Applications: Copper, Cast Iron, PVC, ABS, Galvanized Steel, Rubber and more!

Does insurance cover cast iron pipes?

Key Takeaway: Cast iron pipes are prone to corrode, so they won’t be covered by insurance. You’ll have to pay for any damages they cause too.