Parapet walls are a familiar sight in Chicago. Parapet walls are portions of an exterior wall that extend above the roof. They serve both an aesthetic and practical purpose, acting as a firewall between buildings.

Parapet walls can cause problems for Chicago building owners. Because they are exposed to the harsh weather elements on three sides, parapet walls are more susceptible to cracking, spalling and efflorescence. Left unrepaired, a deteriorating parapet wall can cause water to leak down inside and outside the building walls, causing further damage.

While the weather’s still warm, check your parapet wall for signs of damage and overall structural integrity. Here’s what to look for:

  • Horizontal cracking at the roof line
  • Random vertical cracking, spalling or deterioration of the mortar due to excessive water penetration.
  • Test coping and flashing should for water-tightness.

If you find damage or have concerns, give us a call for a free consultation and estimate. Shamrock Tuckpointing can repair or rebuild your parapet walls.



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About the Owner


John Gallagher

John Gallagher learned the craft of tuckpointing while in his late teens. His father, a first generation Irish immigrant and construction worker, encouraged his son’s entrepreneurial spirit. John earned a business degree from Loras College, and soon afterward he founded Shamrock Tuckpointing.

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