Questions tagged [cast-iron]

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How can I connect PVC to this cast iron shower drain line?

This is for a shower drain line to run into that cast iron pipe. I'm looking for ways I can get something to connect the PVC to originally it was threaded at that junction point but I tried to remove ...
XTR23's user avatar
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Best Practices for Installing Metal Vent Caps on Cast Iron Vent Stacks - Preventing Galvanic Corrosion

I'm in the process of replacing vent caps on my roof's sewer cast iron vent stacks. I have a few concerns about galvanic corrosion and proper installation: Galvanic Corrosion Concerns: I'm ...
LeanMan's user avatar
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Does buried cast iron have a coating?

After fully exposing the cast iron pipe that I will be working on, I noticed that it has a coating ... however the pipe looks in good shape underneath ... is this just corrosion or compacted dirt or ...
farinspace's user avatar
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0 answers
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Does cast iron hub direction denote flow direction?

I placed a piece of 2x4 over a part of the exposed pipe and used a level (direction flowing left to right), but was wondering: Does the Cast Iron hub placement denote flow directionality as well?
farinspace's user avatar
-1 votes
1 answer
85 views

Cast Iron Sewage Vent Pipe Condensation Freezing Problem

this winter I noticed condensation freezing on my sewage vent pipe. I know I'll need to remediate the area after the fix. Any recommendations or experience with this type of problem? For context if ...
Newguyoldhome's user avatar
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50 views

Can I re-pitch a cast iron waste pipe without cracking it?

Bought my first house last year. 1957 single story ranch. Inspector missed this, but i noticed early on that this pipe hanger had come loose (and been poorly resecured) causing a ~6 foot run of the ...
MikeyC's user avatar
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34 views

Can a cast iron sewer pipe union be above roof line?

Should this sewer pipe connection be below the roof line? Is there a code stating this should be below the roofline?
Mike M's user avatar
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1 answer
350 views

How can I tell if there’s enough water in a hot water boiler system that doesn’t have a pressure gauge

It has an automatic water filling system with a Watts pressure valve SB1156F but the third floor radiator was empty. I’ve held the purge lever on the pressure valve open to fill the third floor cast ...
Michael 's user avatar
0 votes
2 answers
57 views

How do I remove the fitting for this drain so that I can fit a base cabinet over top?

Let me start by saying I’m in no way a plumber, but I know some basics to get by and hoping this is something I can tackle myself. I just want to make sure I know what materials I’m dealing with, what ...
Dylan L's user avatar
  • 81
2 votes
2 answers
2k views

Cast Iron Drain Pipes Filled Solid with Rust (I think)

I've got a 1953 single story house with a basement. All the original drain plumbing is cast iron. We've been here about 3 years, and the drains are constantly backing up. Sometimes snaking a drain ...
mister-sir's user avatar
1 vote
1 answer
185 views

Calculating gas capacity with mixed sizes of black iron pipes

How do I calculate gas black iron pipe capacity when I have pipes of a bunch of different sizes connected together? Every single chart I found just assumes a long length of a single size. In ...
Ariel's user avatar
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How does this iron shower drain work?

I'm redoing a shower drain. I can see this thing which looks like an iron flange, with an iron drain going into it? Is this thing that looks like a flange removable? Is the drain inside the flange ...
Evan Carroll's user avatar
1 vote
1 answer
1k views

Do my cast-iron plumbing stacks need replacement?

Just bought a new home, and we're planning on doing some renovation. One area of concern is the cast-iron stacks in the basement: we want to eventually finish the basement, but if these are liable to ...
user112697's user avatar
0 votes
1 answer
180 views

Cast iron radiator holes

I have a family downstairs from me that cooks a lot of smelly foods. I noticed some smells are coming up from where the radiator pipe goes through the floor. I live on the 2nd floor. I was wondering ...
Anthony C's user avatar
0 votes
1 answer
323 views

Used 1” galvanized connections on 16 ft of black iron gas pipe replacment

Discovered gas leak at my 70 year old house seeping out from under the edge of patio. Turned off gas, cut out concrete, & dug out 15 ft (3 ft past patio ) of 1” black iron pipe to a collar ...
Oily Tex's user avatar
  • 399
1 vote
2 answers
502 views

What can I use to seal black cast iron pipes and fittings I'm using for handles for an outdoor cabinet so it won't rust?

Making an outdoor cooler enclosure using black cast iron for the handles and would like to inhibit rust from starting. What can I use to seal it?
Jim's user avatar
  • 11
1 vote
1 answer
147 views

Cast iron toilet flange

I have a home built in the late '70s with cast iron toilet flanges. It appears to have cast iron flanges with 3" stubs into 4" cast iron pipes. I haven't seen any information on this setup ...
Scott's user avatar
  • 11
2 votes
1 answer
362 views

Cast iron sewer pipe replacement

My sewer line runs through our basement wall to the septic tank. Due to shifting over the years the pipe has broken at the outside of the house. How do you go about removing the cast iron pipe out ...
Kristina Rainbolt's user avatar
0 votes
2 answers
189 views

I need help identifying an old strange tool

It's the tool in the foreground, not the distributor machine in the background. It's got a heavy cast iron base. The gear thing on the right seems to index to each tooth. There are many other pulley ...
jackwarner's user avatar
1 vote
1 answer
208 views

Drain line for water softener into cleanout

House is in southern California and was built in the 1950s with cast iron drain pipes. I'll be installing a water softener and backflushing carbon filter on the patio in the near future. I am trying ...
The_Doug's user avatar
0 votes
2 answers
118 views

Cast Iron Valve/Square Wrench?

Found this in my grandfather’s garage. Any idea what it is/used for? Handle embossed with “KEEP UPRIGHT.” Square hole approximately 15/16".
Jeff Keiser's user avatar
4 votes
1 answer
530 views

What is the composition of this 1940s era main drain line?

I have a main drain line running from my 1940s era single family residence in Las Vegas, NV to the city sewer. Given the time period I had assumed it would be cast iron, but when I dug down to it, it ...
JG307's user avatar
  • 41
6 votes
4 answers
6k views

How to connect pvc to cast iron pipe that broke off right beneath concrete slab?

I was planning on adding a donut to the cast iron hub, but when I was removing the lead seal, the hub broke off entirely. Now I have a broken off 2 inch cast iron pipe right beneath the slab. How do I ...
Max holloway's user avatar
1 vote
1 answer
328 views

Why did my plumber use a cast iron to plastic coupling in one location, but not in the other?

I just had a plumber repair my 4" waste line, which was cast iron. He replaced a 10' section with ABS. At the end that transitioned from ABS to Cast Iron he used a coupling specifically designed ...
tom's user avatar
  • 374
1 vote
1 answer
2k views

How to fix drain pipe threads

I'm replacing the bathroom sink in a vintage building from the 30s. The cast iron rough-in pipe no longer has threads. The prior coupler was a 1 1/2" threaded pvc fitting, but it popped right ...
user3080392's user avatar
0 votes
1 answer
24 views

Apply base to rusted table and paint?

I have this iron table that seems really rusted, but that’s just a thin layer or rust. The table’s still extremely solid. I’d like to apply a base that will stop (or control) the rust and then paint ...
rbhat's user avatar
  • 2,063
1 vote
3 answers
438 views

Bolt problem on antique wood stove

I have a problem restoring an antique French cast iron wood stove. As I was derusting it, one of the feet broke loose. It's the part that was holding it to the body that broke. I guess it's a bold but ...
Vic Seedoubleyew's user avatar
2 votes
1 answer
4k views

Help with large cast iron toilet flange

Flushed the toilet last night and found water seeping from the side of the toilet at the floor. I removed the toilet to investigate. I found there were two wax ring doubled up. Cleaned all the wax off ...
Totten23's user avatar
0 votes
0 answers
140 views

How to re-install cast iron tub

I had a cast iron claw foot tub moved out of a bathroom to remove the carpet floor. The new subfloor and flooring has now been installed. I've moved the tub back into bathroom but in the process of ...
Fresh Codemonger's user avatar
2 votes
4 answers
2k views

Can I Run Electrical Wire through sewage pipe/ vent

I'm trying to run new electrical wire from the basement to my 3rd floor apartment. There’s a cast iron vertical sewage pipe that goes in the exact route I’d like the wire to go. But there would be ...
Stykes's user avatar
  • 125
0 votes
1 answer
3k views

Connecting PVC to a 4.5 inch ID cast iron hub

I'm repairing a toilet flang on an 80-year-old home with old cast iron plumbing. What I have is a 4.5 inch inside diameter cast iron hub. A 4 inch ID PVC pipe drops in nice and snug, but I cant figure ...
ferics2's user avatar
  • 144
1 vote
3 answers
1k views

Bending horizontal bars of Iron fence

We have a metal fence in front of the house and it has very strong iron rods both vertically and horizontally. The issue is with the horizontal iron rod as its bend and also its vending on the other ...
srikanth681's user avatar
2 votes
1 answer
1k views

How can I convert this cast-iron cleanout to a proper air-gapped drain?

My house's water softener and salt tank overflow currently drain through what appears to be a drilled-out cast iron cleanout cap in the basement, close to where the sewer line exits the house. This ...
kg333's user avatar
  • 353
1 vote
0 answers
639 views

Do I need to remove a lead riser from my toilet flange area to install a PVC flange?

I am replacing my toilet and after researching I found the flange is covered by a lead riser that is bent, folded, over the flange to hold it down. I unbent it so I could remove the flange before I ...
learntofix's user avatar
2 votes
1 answer
775 views

What material is my waste stack made of, and what can I do with it?

A number of years ago I had a plumber out who told me what type of waste stack this is, but I've since forgotten, and cannot find info online. He indicated that it should be replaced eventually (of ...
Scheer's user avatar
  • 33
2 votes
2 answers
4k views

How to remove this PVC to cast iron adapter?

I need to remove the existing PVC to cast iron adapter in the main waste outlet of my basement. Another PVC fitting will be added in place. This is a 4" cast iron with a rubber ring that seals ...
StayOnTarget's user avatar
  • 5,545
0 votes
1 answer
1k views

Are bumps on the inside of a cast iron drain pipe a sign of a problem?

I'm replacing a toilet's wax ring in my 1960 US home. With the toilet removed, I noticed ugly-looking bumps on the inside of the cast iron drain pipe: Here's a closer, more tasty look: Aside from ...
Daniel Griscom's user avatar
1 vote
4 answers
4k views

Cast iron pipe is too low to a use gasketed toilet flange replacement

While removing the toilet the The previous flange came off with it. We suspect that is what was causing a leaking issue on the ceiling below. So we went to replace it with an extender flange but the 4 ...
Aaron Bruffett's user avatar
1 vote
3 answers
3k views

Bending bars of iron gate [duplicate]

We just moved into a new house with some iron fencing around the backyard and a large double gate to allow access to the backyard. Unfortunately one side of the gate was damaged at some point in the ...
Mordred's user avatar
  • 197
0 votes
1 answer
470 views

Patching Holes in Iron Staircase

My condo building has an outdoor iron staircase that has been developing some penny to quarter sized holes. While the staircase is structurally sound, I’m looking for a solution to patch the holes in ...
littleK's user avatar
  • 197
3 votes
3 answers
870 views

How to connect 4” PVC to broken sewer line?

I have a piece of broken cast iron pipe with almost no overhang. Wondering what are my options here?
Andrew's user avatar
  • 257
-1 votes
2 answers
1k views

Fixing broken cast aluminum?

My drill press was dropped and the table broke off. The break is shown in the picture. Nothing got bent out of shape the table part fits this break perfectly. Is there a reasonable way to re-attach ...
Wynne's user avatar
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1 vote
3 answers
24k views

How can I cut extremely heavy cast iron?

I want to cut up a large piece of cast iron (think storm drain cover) with thicknesses greater than 1". What would be the cheapest way to accomplish this? It doesn't have to be a fast method. Could ...
Nathan Van Dyken's user avatar
1 vote
3 answers
2k views

Is there a "universal" flux core welding wire for repairing any kind of iron?

I need to weld a railing and am not sure what kind of metal it is made from. For the time being, I'm going to assume it's iron until I can do a magnet test. But short of getting a sample tested in a ...
Dave's user avatar
  • 188
0 votes
1 answer
234 views

Cast iron drain pipe replacement

I live in a ranch with a concrete slab for a foundation built in 1956. The kitchen drain feeds into the pipe under the concrete where it is rotted or collapsed. This 2 inch pipe runs approx 18 feet to ...
jimmymac92's user avatar
1 vote
1 answer
3k views

How to remove a cast iron pipe plug that has been soldered with lead

I'm adding a utility sink in my basement. I'd like to drain it into a cast iron pipe junction, but I'm having trouble removing the old plug. It appears to have been sealed with lead solder. I'm ...
zwiebelspaetzle's user avatar
2 votes
1 answer
1k views

Is it acceptable to use multiple PVC couplings when routing a drain through joists?

I'm deciding whether to repair or replace my ancient cast iron DWV plumbing while the walls and ceilings are open. The 1.5" steel shower/tub drain is currently notched through joists for a run of ...
alesage's user avatar
  • 115
0 votes
2 answers
2k views

How do I remove water trapped within wrought iron railing?

In the process of repainting my wrought iron fence, I had discovered that in a few of the rails, water started to leak out at the weld joints attached to the bottom rail while removing paint & ...
Grant's user avatar
  • 605
1 vote
2 answers
1k views

Replacing 2 inch vertical cast iron pipe going through concrete

I have a 2 inch cast iron pipe that is leaking at the cement line of a second floor condominium. The common line connects 3 stacked bathrooms. My plan is to remove the concrete around the pipe that ...
Eddie Silberman's user avatar
0 votes
1 answer
808 views

Any way to see if it's made of galvanized steel?

Is there any easy way for me to see if something is made from regular steel or galvanized steel? I'm having some galvanized steel bases installed at my apartment, but I want to make sure it's actual ...
rbhat's user avatar
  • 2,063