I am trying to take out my toilet from a bathroom and seal off sewer pipe in the floor it is in a concret floor is there a special plug to seal this hole?

i am trying to take out my toilet from a bathroom and seal off sewer pipe in the floor it is in a concret floor is there a special plug to seal this hole?

Will this be permanent or just temporary? Tom

Sorry this is a perm closer not sure how to work this yet

sorry this is a perm closer not sure how to work this yet
I also need to know what material the pipe's made of. Tom

The pipe I believe is cast iron

the pipe i belive is cast iron
Did you receive my answer in the E-Mail where I advised you to jam rags down the closet bend and seal it so you could fill the last 4" with cement smooth with the floor? Tom