Best way to cut out damper?

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My nephew and I pulled and shoved heavy-wall from the bottom, with a nose cone. Oooof!! <> Luckily it was only 18' or so, but it was slightly curvy.
Yeah - I wish I had a nose cone but had to make do. So there might be a little corkscrew action in the flu. not much I can do about that....
 
They did have it wrapped in metal foil but it was so thick I could not get it into the adapter. I peeled it off and it it slid in better so I could clamp it down.
The way it is cannot be right are you sure it is in the top plate correctly? That insulation can't be exposed like that it will absorb water and creosote.
 
The way it is cannot be right are you sure it is in the top plate correctly? That insulation can't be exposed like that it will absorb water and creosote.
I am not sure how. it fits up into an adapter and then the adapter fits into the top cover - with the cover then being covered with the cap
 

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I am not sure how. it fits up into an adapter and then the adapter fits into the top cover - with the cover then being covered with the cap
I am not sure how either I have never used that setup. But I can tell you for sure something isn't right.
 
hmmmm..... attached is a diagram of how it is setup.
Ok but if there is insulation exposed at the top like that it is unsafe. Like i said i have never used that product but it cant stay like that. Call the manufacturing and find out what you need to do to make that right.
 
Ok but if there is insulation exposed at the top like that it is unsafe. Like i said i have never used that product but it cant stay like that. Call the manufacturing and find out what you need to do to make that right.

I appreciate your feedback! So I think my only option is to take the cap off and use some metal tape over the insulation area that is exposed and then wriggle the adapter back on? One of the issues was the manufacturer put so much metal tape on the ends of the pipe, there was no way the couplers/adapters would fit. Being "double walled" they adapters/couplers had just enough clearance to get the inner and outer liner with the insulation to fit so it slid in. I had to take the metal tape off the pipe ends. At least I can do this work on a ladder and not need the $$$ lift. (Still will be scary up there!) :)
 
I appreciate your feedback! So I think my only option is to take the cap off and use some metal tape over the insulation area that is exposed and then wriggle the adapter back on? One of the issues was the manufacturer put so much metal tape on the ends of the pipe, there was no way the couplers/adapters would fit. Being "double walled" they adapters/couplers had just enough clearance to get the inner and outer liner with the insulation to fit so it slid in. I had to take the metal tape off the pipe ends. At least I can do this work on a ladder and not need the $$$ lift. (Still will be scary up there!) :)
The aluminum tape will only last a year or two in that area. The top plate / cap should cover that insulation