Polyetheline pipes- PEX, cross linked pipes Home › Forums › Archives › Old Bulletin Board Archives › Polyetheline pipes- PEX, cross linked pipes This topic has 0 replies, 1 voice, and was last updated 22 years, 6 months ago by Jon Brown. Viewing 0 reply threads Author Posts 30 Jun 1998 at 11:29 pm #281701 Jon Brown Comparative to copper pipes. Any known problems with PEX pipes. ie. failure Tks for any assistance. Author Posts Viewing 0 reply threads The forum ‘Old Bulletin Board Archives’ is closed to new topics and replies.