Instructions: Given a passage and a query based on the passage, generate an unambiguous, concise and simple answer to the query from information in the passage. Note that the answer may not be present in exact form.
Input: That would be alot of work, only replace what you need to. Unless it is your sewer line then i would replace it all to the main. I agree with answer # 1. IN ADDITION: Back in the day, cast iron joints were sealed together with hot lead. Depending on the position of the cast iron pipe and the size of it. Either one can cut the cast iron piping and clamp PVC to it or you can melt the old lead out of the cast iron joints and place PVC piping inside and then recork (reseal) it with prattley putty to prevent it from leaking. the flow of water: slow drainage is often the first indication of a problem, and homeowners may find themselves calling the plumber every six months to clear out the pipe. The average lifespan of cast iron drain/sewer pipe is 50 to 65 years. It is easily recognized by the thickened female "hub" at each pipe segment connection. Rust eventually eats through cast iron, primarily from the inside out, as shown in the photo below. Because corrosion is accelerated by moisture, pipe with light effluent flow and installed in a dry environment can survive 20 to 30 years longer. So keep cast iron piping or cast it out? Older cast iron waste pipes should be judged on a case-by-case basis. First hire an experienced home inspector to collect information about the drain waste system's performance. Ask your home inspector to do a visual inspection of the pipes if possible. If your inspector is any Trenchless Pipe Lining LLC matches that warranty with a 50-year labor warranty since the liner has turned into rock inside the pipe and cannot move, shrink, or be displaced in any way. Interestingly, the hardened pipe liner actually DOES flex a little which allows it to accommodate ground settlement without cracking, unlike clay or cast iron sewer pipes. Re: Cast Iron Drain Pipe - Life Expectancy. I simply put cast-iron and galvanized piping will rust from the inside to the outside and eventually will need updating. If mineral deposits are noted as reported as a leak. Also be aware I have found vent pipes totally rusted out behind the wall. A good quality cast iron pipe, installed under ideal conditions, has a life expectancy of 75 100 years, and possibly even more. Cast iron does rust but when it does the rust actually forms a barrier layer over the remainder of the pipe which helps protect it from further rusting. Since most cast iron pipes were thick walled to begin with even with some rusting inside they can handle the lower pressures of waste water disposal quite well and last a long time. Cast iron also provides many other benefits in home waste systems that still makes it a good choice for homes. For all of its good points cast iron does have some problems related to it. One of the problems had to do with the varying quality of the pipe that was manufactured in earlier years. Standards for cast iron pipe have been around since the 1800's but like anything else they are voluntary standards. Cast Iron and galvanized drain pipe may appear to be in fairly good condition from the outside. When I had some cast iron drain pipe replaced, we found sever... Cast Iron and galvanized drain pipe may appear to be in fairly good condition from the outside. When I had some cast iron drain pipe replaced, we found several potential problems that would have surfaced in the near future. The estimated life expectancy for cast iron drain pipe is 60 years. I couldn't find any good estimates for the life span of galvanized pipe, however, my 2 inch pipe from the kitchen drain was almost rusted closed. What kind of paint for a cast iron drain pipe? If you want to prime it first, latex is fine or oil base by itself. You can probably get by with latex directly on the pipe, but there may be oils or dirt on it that will blee d through. Query: how long does cast iron drain pipe last
Output:
The average lifespan of cast iron drain pipe is 50 to 65 years.