Toilet Floor Flange

: I was about to install a toilet in a brand new house, : in the basement. I noticed that the floor flange was : cemented about 1/4 inch lower than the floor level!: Now the toilet bolts dont reach and even the wax seal : will not even squish onto the floor flange!: What should I do and is that floor flange supposed to : be floor level? Now that it has been cemented lower : than floor level……..: I hope that is enough info for you to help me!: MattMatt, Toilet flanges are sometimes at floor level. Most of the time they arent. 95% of the time, either two wax rings or an extra thick one will be needed. If the standard 2-1/4 bolts are too short for the installation, consider the 3-1/2 long bolts and three wax rings. Regards, Terry Love

I need to install low-flush toilets in my new house and when I removed the first tiolet I found that the floor flange wasnt bolted to the floor. And there is a 1 to 1.5 gap between the foundation (concrete) and the pipe. The question is: Does the floor flange need to be bolted down and if the answer is yes… what do I fill the gap in with?