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candyapplekaren · Jan 31, 2009, 07:25 PM

I am remodeling an old room that at one point must have been a bathroom. I would like to cut the old toilet pipe off flush with the floor and seal it. I do know that it is connected to the septic system. What I need to know, is if there is anything I can pour inside to seal it off without damaging the septic system or how do I level and seal it off to be flush with the other slab, which is concrete, so I can carpet the area and not ever have to worry about a back up there?

THanks

mygirlsdad77 · Jan 31, 2009, 07:36 PM

Just cut or break old flange off. Then stuff some rags down into pipe, and fill it with mortar or cement. The rags will keep the cement from going into drain. Does this make sense? If not I will clarify, or give other options.

candyapplekaren · Feb 1, 2009, 02:09 AM

Yes, It does.. I am guessing that I must make the rags very thick so they can't move much, and then carefully put the cement it.

I am curious though, what is another option?

Thanks

massplumber2008 · Feb 1, 2009, 07:07 AM

Hi Candyapplekaren.

More options:

1) Call a plumber in and he may break the old flange off and then use a NO HUB cap and pour molten lead into the pipe so that it makes a permanent seal that will not leak even if the main drain line becomes clogged.

2) Use SAND in place of the rags Lee (MGD77) mentioned and then use a HYDRAULIC cement to fill the space to the top of pipe or to the top of the floor. Hydraulic cement expands a bit and will guarantee, again, that water will not seep past the plug should the main drain line become clogged.

3) Use the rags mentioned by Lee, but tie some tie wire around the rags and pull the wire into the area to be cemented. Then include the wire in the hydraulic cement plug and you can be sure that rag won't go anywhere!

Just some more options as requested... :)

MARK