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Old 04-18-2014, 07:20 PM   #15
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The gasket is crap Andy. One made of silicone would be better because it won't rot. Viton might be ok as well. This would work. The best solution would be to weld a top hat shaped pipe nipple on top of the Tee-Pee that fits down inside the vent pipe. Then use caulk to seal the Tee-Pee to the roof.

https://www.mcmaster.com/#5787t33/=rlh7cg

Perry
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Old 04-18-2014, 09:06 PM   #16
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The gasket is crap Andy. One made of silicone would be better because it won't rot. Viton might be ok as well. This would work. The best solution would be to weld a top hat shaped pipe nipple on top of the Tee-Pee that fits down inside the vent pipe. Then use caulk to seal the Tee-Pee to the roof.

https://www.mcmaster.com/#5787t33/=rlh7cg

Perry
Perry.

I totally agree with you, but the above photo clearly shows that the gasket did in fact seal the base of the cover so that it did not leak as well.

That being the case, slopping a bunch of sealer around the base of the cover, is not necessary.

Andy
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Old 04-18-2014, 09:44 PM   #17
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Replaced the gasket today. Will update and see if it stops the leak. I think it's supposed to rain this weekend, surprise surprise. Thanks for all the great tips!

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Old 04-18-2014, 10:41 PM   #18
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You could be right about the gasket sealing without the caulk around it. I would consider getting some of the silicone material and try that. You could corner the market on it. Your minions could punch a hole in that flat stock and cut it to the correct shape. They use Silicone and Viton on the space station. We did loose a shuttle to the Viton O-rings though.

Perry

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Perry.

I totally agree with you, but the above photo clearly shows that the gasket did in fact seal the base of the cover so that it did not leak as well.

That being the case, slopping a bunch of sealer around the base of the cover, is not necessary.

Andy
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Old 04-19-2014, 04:10 PM   #19
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VTS has a fully covered vent stack that does not have this problem. I just put some Trempro-635 around that vent pipe and put the Tee-Pee back on and it is still leak free after 2 yrs. I will probably modify the Tee-Pee by putting some sort of top hat on it and then the inner gasket does not matter.

Also it could still be your stove vent. Mine had a crappy flap door that would sometimes leak and sometimes not leak. The vents with the scoop on the outside don't have this problem. I cpvered the vent with a solid plate till I get a chance to make a scoop for mine.

Perry

What are you making all this with? Welding your own metals?
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Old 04-19-2014, 04:40 PM   #20
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I have a network of friends that help me make stuff. I can do a fair amount myself. Local welding shops can weld just about anything. Lack of time is my biggest problem. My job gives me access to resources most folks don't have.

Perry
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Old 04-19-2014, 05:41 PM   #21
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I used EPDM roofing material for the gasket with just a small bit of sealant around base of the metal piece AND under the gasket. Belt and suspenders if you will. I have access to a whole gamut of single ply roofing materials, next go around I might try one of the PVC sheet goods, some are warranted for over 30 years.

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Old 04-20-2014, 10:06 AM   #22
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With a massive downpour yesterday the leak was still there. I'm going to focus back on the stove vent. This time I will take it apart and reseal. The hard part is removing the piece that pushes the flap open.

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Old 04-20-2014, 05:29 PM   #23
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Here was my temporary fix. Not having the leak was worth more than having a vent fan. You can always change you mind and add back leaks later if you removed too many.




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Old 04-22-2014, 11:42 AM   #24
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Vent sealed, Vent pipe sealed, still leaking at the same rate. Will work on taking air conditioner cover apart next. If it still leaks then I give up and invest in more buckets

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Old 04-22-2014, 11:51 AM   #25
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Look at rivets on both sides of the door.

Perry
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Old 04-22-2014, 01:48 PM   #26
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Look at rivets on both sides of the door.

Perry
Which door?

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Old 04-22-2014, 04:38 PM   #27
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The main door for people.


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Old 04-22-2014, 10:12 PM   #28
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The main door for people.


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It's not leaking at the entrance door. If you look at the picture I posted at first, it's right over the stove which led me to think it to be the stove vent, grey water vent pipe, or air conditioner. These three things line up right above this area.
I'm getting an air conditioner cover tomorrow and see if the leak stops. Hopefully this should tell me if it's the AC or not.
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