Installed 8" Duraliner Rigid end of 2022 and when cleaning today I noticed the outer later has already rotted out. No real rust and it just seems like it deteriorated. Not real happy after spending several thousand on piping.
There is a few inches above the storm collar exposed and this is where it rotted out.
![[Hearth.com] 2 year old Duraliner Rigid rotting out [Hearth.com] 2 year old Duraliner Rigid rotting out](https://www.hearth.com/talk/data/attachments/333/333698-5bf5437a7c87b77927fde0a51e8319f6.jpg?hash=ihnaSgBiuZ)
There is a few inches above the storm collar exposed and this is where it rotted out.
![[Hearth.com] 2 year old Duraliner Rigid rotting out [Hearth.com] 2 year old Duraliner Rigid rotting out](https://www.hearth.com/talk/data/attachments/333/333688-f1273c368c20389f39a04b59e0a7e855.jpg?hash=kiEoXbJLGj)
![[Hearth.com] 2 year old Duraliner Rigid rotting out [Hearth.com] 2 year old Duraliner Rigid rotting out](https://www.hearth.com/talk/data/attachments/333/333697-d2f041847de6d2a2a6006bcb51714761.jpg?hash=wFzloAJn2e)
![[Hearth.com] 2 year old Duraliner Rigid rotting out [Hearth.com] 2 year old Duraliner Rigid rotting out](https://www.hearth.com/talk/data/attachments/333/333698-5bf5437a7c87b77927fde0a51e8319f6.jpg?hash=ihnaSgBiuZ)
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