Regulation for 10mm PVC Home › Forums › Public Forums › General Plumbing › Regulation for 10mm PVC This topic has 1 reply, 2 voices, and was last updated 23 years, 6 months ago by Guest. Viewing 1 reply thread Author Posts 26 Oct 2000 at 11:36 pm #273766 MasterPlumbersKeymaster Could you please inform us regarding if any regulations for the use of 10mm pvc coated microbore piping used under a concrete floor exist. 27 Oct 2000 at 12:44 am #288503 GuestParticipant It really depends on where you live. Best answer would be to call your local code enforcement department and ask an inspector. 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