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Tag Archives: flaking

Masonry Chimney Crowns

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Just as your house needs a roof to keep water from entering, so does your chimney. Chimney crowns are simply the mortar “roofs” of masonry chimney systems. Poor crown construction is a leading cause of chimney deterioration due to the
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Waterproofing Masonry Chimneys

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Over time, water “eats” masonry chimneys. Mortar joints between bricks are dissolved by water; bricks are slowly broken apart by water moving inside the brick. Water moving within bricks causes effluorescence (mineral deposits on the outside of bricks, brought from
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Water Entry in Chimneys

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Water entry is the primary enemy of masonry structures. Masonry is porous, meaning that water doesn’t just run down the sides of your chimney when it rains — it sinks in, and enters the masonry itself.   Once inside, the
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