As a Dublin roofing company, we often get questions regarding chimney repairs in Dublin. In most older properties with a chimney, the homeowner will inevitably have some issue with leakage or, more commonly, problems with the chimney liner degrading. Therefore we often are asked how often the chimney lining should be changed. In today's blog, we will look at the different types of chimney liners and discuss when a chimney liner should be changed.