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chimney flue/liner options

  • 25-11-2020 5:44pm
    #1
    cojomo2
    Registered Users, Registered Users 2 Posts: 3,220 ✭✭✭


    Hi Folks,

    If there is a crack in the chimney flue, can a new more modern stainless steel flue be inserted in the origibal clay flue?

    I have read some stories about opening up the whole chimney to replace clay flues - not a road I want to go down if I can avoid it.

    Thanks.


Comments

  • #2
    Car99
    Registered Users, Registered Users 2 Posts: 2,531 ✭✭✭Car99


    cojomo2 wrote: »
    Hi Folks,

    If there is a crack in the chimney flue, can a new more modern stainless steel flue be inserted in the origibal clay flue?

    I have read some stories about opening up the whole chimney to replace clay flues - not a road I want to go down if I can avoid it.

    Thanks.

    I had this issue recently on a 10 year old rarely used chimney. I had two cracked liners due to settlement or poor installation I would say. Anyway. I was fitting an insert stove so I put a stainless steel flexi flue liner from the stove to the chimney cap. A kit is about €300 for 9M for a two storey house . Depending on access to the chimney top it can cost 500 to 1000 for a professional to install it..
    I installed my own but I had to rent a large cherry picker for a couple of days @€;400. But that did let me paint the chimneys , carry out a few facia soft repairs and clean the gutters while I had it.


  • #3
    Calahonda52
    Registered Users, Registered Users 2 Posts: 12,888 ✭✭✭✭Calahonda52


    IMO, depending on the nature of the crack, the ceramic flue liner should always the the first line of defence against fumes permeating into the house.
    A single skin ss liner is not an acceptable first line of defense as they have a limited life, maybe 5 years depending on the quality of the ss ( a lot of sh1t out there), fuel, moisture content of fuel, chimney cleaning regime and such like.

    Worst case scenario, you forget about the issue and wake up dead from CO poisoning.

    “I can’t pay my staff or mortgage with instagram likes”.



  • #4
    Car99
    Registered Users, Registered Users 2 Posts: 2,531 ✭✭✭Car99


    Calahonda52 wrote: »
    IMO, depending on the nature of the crack, the ceramic flue liner should always the the first line of defence against fumes permeating into the house.
    A single skin ss liner is not an acceptable first line of defense as they have a limited life, maybe 5 years depending on the quality of the ss ( a lot of sh1t out there), fuel, moisture content of fuel, chimney cleaning regime and such like.

    Worst case scenario, you forget about the issue and wake up dead from CO poisoning.

    The nature of the crack is important. I did use a double skin liner . Every house should have working carbon monoxide alarms.


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