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You pretty much have to open up the wall. If you had access to the ends above and below the wall I suppose you could cut the pipe and put a 3 inch pvc inside of it if there were no branches in the pipe, but that isn't likely. There just isn't any way of fixing it without opening the wall.

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Norval Lind

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3y ago

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How do you fix a leaking cast iron stack pipe that is not accessible because it is in the wall?

Demo a section of the wall.


How do you fix a leaking pipe cast iron stack pipe that is not accessible because it is in the wall?

You must break or cut the wall at that point. No other option


How do you fix a leaking cast iron stack?

To fix a leaking cast iron stack, first, identify the source of the leak. Clean the area around the leak to remove any rust, debris, or old sealant. Apply a high-quality epoxy or a cast iron repair compound to the damaged area, ensuring it fills any gaps. For larger leaks, consider using a rubber sleeve or clamp as a temporary fix while planning for a more permanent repair, such as replacing the affected section of the pipe.


What is the cost of replacing a cast iron plumbing stack?

The cost of replacing a cast iron plumbing stack can vary depending on factors such as the size of the stack, the extent of the damage, and the location of the property. On average, homeowners can expect to pay between 1,500 to 4,000 for the replacement of a cast iron plumbing stack. It is recommended to get quotes from multiple contractors to get an accurate estimate for the specific job.


How do you fix a leaking cast iron stack pipe that is not accessible?

You pretty much have to open up the wall. If you had access to the ends above and below the wall I suppose you could cut the pipe and put a 3 inch pvc inside of it if there were no branches in the pipe, but that isn't likely. There just isn't any way of fixing it without opening the wall.


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El Mutún in Bolivia, where 20% of the world's accessible iron is located.


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Cast iron is fabricated in blast furnaces where iron ore is reduced by coke to cast iron, according to Wikipedia.


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no cast iron is more superior than foregn iron


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