Designing Kitchens and Bathrooms - Toilet Replacement Nightmare can anyone help?

I was replacing my toilet in the basement this morning when I came to discover that the old closet bolts were not attached to a flange, but rather just sunk into the concrete floor of the basement. This was really no problem until one of them broke out of the concrete.

I would like to attempt to install a closet flange to the existing 4" ABS drainpipe, but, I can not get it to sit level with the floor because the ABS pipe is so jagged and poorly cut.

Any suggestions?

At this point the only thing I can see doing is to begin to chisel out some of the concrete around the drainpipe and then "nibble" away at the pipe until I can get the flange to lay flush with the floor. Does this sound correct?

Thanks for any and all advice!

Matt

concrete just to cut the ABS pipe, you might
want to consider using a dremel tool with a
cutting wheel. It can cut nicely from inside
of the pipe.

Also, when you try to glue on the flange, make sure you
can fit the flange with pipe easily. Do that without glue
couple of times. Once glue is on, you don't have much
time to adjust it.

If the toilet bolt broke off in a location where there is enough concrete to enlarge the hole and dig out the rest of the bolt without it breaking into the area of the drain then you can resink a bolt into that hole using an expansion cement such as Rockite.This would work only if there is enough cement between the hole you make and the edge of the opening for the drain to not break out.

Rockite is incredibly strong cement used specifically for situations like sinking a bolt etc into a hole in an existing masonry area.It dries very fast so you'd want to work with small amounts and work fast.It is commonly used to set iron railings in brick steps etc.

Rockite's availability differs from location to location.Any brand of a similar product should also work.Talk to knowedgeable saleshelp for more information.