Flue Tape Home › Forums › Public Forums › General Plumbing › Flue Tape This topic has 2 replies, 3 voices, and was last updated 16 years, 1 month ago by Wally. Viewing 2 reply threads Author Posts 29 Oct 2008 at 4:25 am #279871 Gilbert Chacon Can high temperature flue tape in addition to 3 sheet metal screws be used on gas hot water heater vent pipe joints to ensure the joints don’t leak? 23 Nov 2008 at 3:26 pm #301882 SelgasParticipant Why not fill the gap around the flue pipe joint with manifold sealant wheich will harden and remain in place especially if the joint is locked up with set screws as well. 23 Nov 2008 at 11:19 pm #301883 WallyParticipant Thanks – I hadn’t thought of using manifold sealant – I have used it on my car – it works there. Author Posts Viewing 2 reply threads You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In