How To Clean Old Cast Iron Pipes
This method is great when you have a clog but were talking about descaling the inner walls of the old cast iron pipes to get them back to their original state of flow capacity.
How to clean old cast iron pipes. A cast iron soil stack generally looks good on the outside of a property but with some original pipes now over 100 years old they can pose a problem if youre making plumbing changes inside. After the pipe is clean we use the patented perma-liner epoxy resin to create a new pipe. Tighten one 18-inch pipe wrench onto the square nut on the top of the plug another around the drain pipe.
Luckily this is an easy fix for professionals. I have been using a sawzall and a grinder to gut through the old cast iron pipes. I am moving a WC and therefore need to put in a new plastic soil pipe.
The traditional method used most of the time to clean cast iron pipes is a drain snake with cable and blades. It is a long flexible device made from metal that curves around the corners of the drain. My main sewer line is cast iron which is probably what you want if you are jetting and will last the longest.
Support the pipe with one wrench while you turn the nut counterclockwise with the other. Many older homes still have old cast iron drain and sewer pipes rather than the PVC plastic pipes used in modern home construction. For times when your cast iron pipes are suffering from major problems call DrainMaster to descale your pipes.
We then use a high pressure water jetted to clean the pipe. That makes this approach risky especially when approaching 30000 psi. Pipe Descaling is the most effective and safest method to clean out aging cast iron pipe.
DWV or drain waste vent pipe. The joint is then packed with a product called oakum. Apply a primer and then a black metal top coat.