This material looks old and is starting to become brittle.
Cast iron drain pipe repair paste.
Keep in mind the putty is what will stop the leak the wrap will harden and hold the putty in place.
It looks as if there is a putty of some sort around the fitting sealing it.
Contrary to the comment below this is not a temporary repair.
Leaks are usually caused by corroding sections often around the leaded joints.
Learn more about rubber flex.
Reinforce the connection with pipe fixative applied to both the pvc repair and the remaining existing cast iron pipe.
This is a great diy how to blend of two methods of patching cast iron drain line.
Need to repair a leak in a drain pipe no pressure pipe.
We use a picote drain cleaning machine to remove rust and loose debris.
Cast iron is a useful material that is used in a variety of ways from stoves to engines.
Leak stopper product will help.
A do it yourselfer can repair small leaks in joints and small holes but a professional should handle large leaks.
Cast iron pipes last for a long time but this does not mean they cannot become damaged and start to leak.
This is meant to be a permanent repair the wrap will harden like a cast.
Cast iron should be kept in dry conditions to avoid rust.
Step 1 determine where damage is located determine where the pipe is still solid by running your hand along the bottom of the pipe since this is usually where the rust is located.
Yes this will work on cast iron pipes.
I have a main sewer drain pipe going from upstairs to downstairs and just noticed a very slight amount of water beading up around the joint where the cast iron pipe joins a coupler.
After the pipe is clean we use the patented perma liner epoxy resin to create a new pipe.
We repair cast iron pipes using the trenchless repair method.
Amazon link to great products that every diyer and handyman should know abo.
It is a hard but often brittle material that can crack if dropped and it is also prone to rust if not cared for.
Next we use a pipe video inspection camera to determine how long the break or crack in your cast iron pipe is.
Rubber flexx waterproof tape is great.