Chimney Water Leaks

Absence of a cap is a main reason for water entering a flue. A proper-sized chimney cap should be installed by a chimney professional.

• Cracks in the crown - The crown should be sealed or replaced to prevent water leakage.
  
  
• Deteriorated masonry - Gaps or cracks in the masonry or mortar may cause water to enter the flue. Masonry repairs or a vapor permeable brick sealant can be partial remedies to water leakage problems.
  
  
• Deteriorated flashing - Flashing should be repaired or replaced in this instance.