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.
Demo a section of the wall.
You must break or cut the wall at that point. No other option
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.
Cast Iron extra heavy, Cast Iron service weight, No Hub Cast Iron, Galvanized, Copper Tubing, PVC are the most common BUT plastic should not be exposed to direct sun light thus for the vent terminal CI or other Ferrous materials are desired
Iron, cast iron is just iron
El Mutún in Bolivia, where 20% of the world's accessible iron is located.
Take out the old lead and packing and redo it.
Cast iron is fabricated in blast furnaces where iron ore is reduced by coke to cast iron, according to Wikipedia.
no cast iron is more superior than foregn iron
Grey cast ironWhite cast ironMalleable cast ironDuctile cast iron
When Pig Iron is melted and recooled it is called Cast Iron
During the manufacture of Cast Iron, an intermediate product is Pig Iron. Further processing results in Cast Iron.