How water gets into a chimney, and where it shows
Water infiltration in your chimney can cause significant damage. Learn how it happens and where to spot the signs.
Common Entry Points for Water
Chimney crowns, flashings, and masonry joints are typical entry points for water. Over time, these areas can crack or become damaged, allowing water to seep in.
Water can also enter through the chimney cap. If the cap is missing or damaged, rain can flow directly into the flue, leading to moisture build-up.
Visible Signs of Water Damage
Look for white staining or efflorescence on the exterior bricks, which indicates soluble salts being drawn out by moisture.
Inside your home, water damage often shows as discoloration on walls or ceilings near the chimney. These signs require prompt attention.
Preventing Water Damage
Regular inspections and maintenance of the chimney are crucial. Sealing masonry, repairing cracks, and ensuring proper cap installation are effective measures.
Consider installing a high-quality chimney cap and waterproofing the exterior brick to prevent water from entering.
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