What material is best to fix the leak in the pipe joints?

coodyFebruary 13, 2013

Hi! My furnace exhaust pipe has a small leakage in the pipe joints in my attic when raining. See the picture here. What material is best to fix the leak in the pipe joints?

Thank you for reporting this comment. Undo

There is a pipe cement made for galvanized line and duct work. I would be concerned and address where and how that water is leaking in, if you seal the joint all the water is going into your furnace, not good at all.

    Bookmark   February 13, 2013 at 6:15AM
Thank you for reporting this comment. Undo

Is the furnace exhaust pipe supposed no ANY water inside of the pipe at the time of raining? Is it possible the wind-driven rain or condensation may cause a little water inside of the furnace exhaust pipe that goes through the roof?

    Bookmark   February 13, 2013 at 12:58PM
Thank you for reporting this comment. Undo

I cannot recall ever seeing a furnace stack that ran straight line directly into a furnace vertically.

A common method is to end the stack with a capped and then have the smaller furnace flue enter the stack a few inches aboe the flue bottom.

Any rain that makes it down than accumulates on bottom cover of the flue and evaporate away.

The same goes with masonry chimneys.
The furnace enters from the side above the bottom of the flue.
Water just keeps going.

    Bookmark   February 14, 2013 at 11:28AM
Sign Up to comment
More Discussions
Help with smelly well water
Just a little background. We bought a house 3 years...
Cold Water TOO COLD! What to do?
I know there is a lot of concern over regulating hot...
shower problem....can someone give me a clue?
My hot water plumbing JUST started acting "wonky."...
Fire Sprinkler
Purchasing a home with an indoor fire sprinkler system....
Grohe Ladylux Cafe Touch Faucet
Does anyone have this faucet, and if so, do you like...
People viewed this after searching for:
© 2015 Houzz Inc. Houzz® The new way to design your home™