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Lining a Chimney

  • 04-11-2012 11:32am
    #1
    amytomjerry
    Registered Users, Registered Users 2 Posts: 88 ✭✭


    What do you think of this....my cottage(one storey) is 80 years old, chimney isn't lined of course...so I am planning in putting in a Oisin stove. The chimney has to be lined and insulated with vermiculite....fireplace redone with brick, brick work supplied and done, flue etc supplied and fitted, slate fitted....1700euro...

    Can someone explain to me the purpose of the lining & vermiculite.....is it really necessary if a flue is used......thanks!


Comments

  • #2
    shane0007
    Closed Accounts Posts: 4,677 ✭✭✭shane0007


    Because if the flue temperature begin to cool before exiting the terminal, they will begin to lose velocity and begin to condense. This will lead to poor extraction of the combustion gases and condensing can lead to corrosion of the back boiler.
    An unlined chimney is also dangerous as flue gases such as CO can seep through the masonry into the house itself.


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