Cast Iron is a pipe for Drains, which as far as Axis Plumbers know came about in the fourteenth century and is still about today. To keep Cast Iron Drains in circulation it is still on sale with some manufactures. If your home was built after the 1970’s then there is a good chance you have no Cast Iron Drain pipe unless there is a specific reason for this. The most likely place you are going to see Cast Iron Drains outwith Edinburgh’s Traditional architecture is in the commercial Plumbing industry, schools and large mansions, which are old. With the Drains on the outside of the house, you can find a lot of Cast Iron used for soil stacks as long as they have not been replaced within the last 40 years. Axis Plumbers answer the most asked question when it comes to Cast Iron pipes.