setting toliet on concrete Home › Forums › Public Forums › General Plumbing › setting toliet on concrete This topic has 1 reply, 2 voices, and was last updated 21 years, 1 month ago by Retired plbg1. Viewing 1 reply thread Author Posts 15 Mar 2003 at 7:54 pm #276456 Wayne Terrence Moore i am setting a new toliet on a concrete floor in a basement. the floor is a bit un even so the toliet won’t set without rocking. what type of morter will set up under the toliet so i can prevent the rocking, but yet access the wax ring if i need ? 17 Mar 2003 at 11:19 am #294198 Retired plbg1Participant They make pvc shims that go under bowl to stop it from rockong, use them and cauk around. Author Posts Viewing 1 reply thread You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In