1. Welcome Hearth.com Guests and Visitors - Please enjoy our forums!
    Hearth.com GOLD Sponsors who help bring the site content to you:
    Hearthstone Soapstone and Cast-Iron stoves( Wood, Gas or Pellet Stoves and Inserts)

Q&A Why do clay flue liners crack?

Post in 'Questions and Answers' started by QandA, Dec 30, 2002.

Thread Status:
Not open for further replies.
  1. QandA

    QandA New Member Staff Member

    Nov 27, 2012

    > I am requesting as much information as possible on the reasons why clay flue liners crack. I'm a fire investigator for Donan Engineering and occasionlly I have to evaluate the possibility of a creosote fire in a fire place.


    Clay flue liners can crack for many reasons. Many of the chimney sweeps

    that I meet tell me that MOST of the flues they clean are cracked.

    I'd suggest the #1 reason is the inability of them to allow for expansion

    and contraction. Some of this is the flue liner itself, another part is

    the installtion of the liners.

    Another reason is the settling of the chimney structure.

    When it comes down to it, todays standard flue liners are actually a poor material for a
    chimney...but the use of them has continued for more than a century.

    Helpful Sponsor Ads!

Thread Status:
Not open for further replies.

Share This Page