I have a toilet which rocks from front to back, but not from side to side. It is held rather securely with the hold down bolts, and I am afraid to tighten them any more, for fear of cracking the porcelin. The toilet is on rather old linoleum, wooden sub floor, with a newer acrylic floor surrounding the base. Should I shim the floor underneath the toilet, or what is the best way to secure it? Any suggestions?
Thanks,
Mike Herbert