- This topic has 3 replies, 3 voices, and was last updated 17 years, 9 months ago by
schulte.
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garry devisscher
NOTE: I have pictures that are supposed to go with this question, that I could not seem to attach. I can e-mail them to you directly, or you can visit the link at the end of my question to view.
Thank you.
I’m putting in a new tile floor that after cement board, leveling and new tile will raise the floor by at least one inch. So I must raise this cast iron flange. (closet bend is 4” cast iron) However, I’m not sure what option I should use. You can see the flange it is very corroded. Do I try to find an extension to stack on top to raise it? (If so, recommendations.) Do I try to remove the Flange and find a replacement? (I don’t know the best way to try and remove it, or how to put a new cast iron one back on.) Or, do I cut the closet bend halfway back and clamp in a PVC or ABS elbow and flange?
If I’m to replace the flange, and I’ve never worked with cast iron, what is the technique for oakum and lead? My only experience is how plastic pipe works. My mind’s eye sees a stub cut to exactly the right height, and the flange fitting over the top. Is a cast iron flange joint need to be worked from below? Or does the flange slide up and down on the bend freely, so when the sub-floor is in, I slide the flange down over the bend until it stops at the sub-floor, then I’m not sure how the oakum and lead is applied to complete the job. From the top somehow?
You can also see from the second picture (looking down) that the closet bend comes out of the T at a slight angle. If you recommend replacing the closet bend and the flange, what special technique/trick for getting a good joint on it?
Any tips in new materials in place of poured lead, or any other possible option/idea would be greatly appreciated.
Thank you.Closet bend-flange pics[img]null[/img]
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The condition of that closet bend is bad. Take a sawzall with cast iron cutting blade and cut that bend in that clean spot. Get a 4″ nohub band and put on cast iton and run 4″ Pvc with new 90 and go through floor. Bracee pipe so it dont go up are down. When ready to install flange get a 3″ flange and it will fit into 4″ pipe. Cut 4″ pipe about 1/4″ below floor so flange fits flush to floor, also screw flange to floor. My Add. is [email protected].
Art retired plbg -
You sent me e-mail and I answered it, I dont know if you got it. So the oil comming out of joint is just from treated oakum, nothing to worry about, If you have cauling irons recaulk it if not use dull chisel, and i think Pvc is better to use then abs.
Art retired plbg -
Thank you very much. I appriciate your time. I’ll try to find a caulking iron, but I also figure to clean it up and do an epoxy coating over the joint itself just as a double precaution. I know there is some kind of special stuff plumbers use instead of lead now that I can just smear around the entire joint.
Thank again.
J
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