Marc Posted February 26, 2010 Report Share Posted February 26, 2010 Click to Enlarge 47.63 KB This New Construction has every joint on the B vent for the water heater taped with what appears to be either aluminum or aluminum mastic tape. Is the tape a problem? I don't see the need for taping it in the first place. Marc Quote Link to comment Share on other sites More sharing options...
Tim Maxwell Posted February 26, 2010 Report Share Posted February 26, 2010 I see that sometime too. I always feel around just to make sure there are no gaps between joints under the tape. Looks like the foil covered roof deck, Techshield, I think is what I've seen. That stuff seems to work well at keeping temps down in the attic in the summer. Quote Link to comment Share on other sites More sharing options...
Jerry Simon Posted February 26, 2010 Report Share Posted February 26, 2010 Click to Enlarge 47.63 KB This New Construction has every joint on the B vent for the water heater taped with what appears to be either aluminum or aluminum mastic tape. Is the tape a problem? I don't see the need for taping it in the first place. Marc I agree. Here's what I usually say... Investigate Further Some of the water heater flue piping is covered with tape. The tape may be there to cover poorly assembled joints, or it might be covering rusted-through pipe sections. The glue on the tape can melt, the tape can fall off the flue pipe, and if the tape is covering defective piping and falls off, this could pose a carbon monoxide hazard. I donââ¬â¢t know if the piping under the tape is defective, but thatââ¬â¢s the point; I should be able to see the pipe to make sure itââ¬â¢s okay. The taping should be removed, and the flue pipe should be inspected and fixed if needed. Quote Link to comment Share on other sites More sharing options...
charlieb Posted February 27, 2010 Report Share Posted February 27, 2010 The tape .......on the vent pipe is not listed for this use........ Quote Link to comment Share on other sites More sharing options...
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