Historic Preservation Practice
August 1, 2026
Our buildings may be local. Our responsibility to preserve the knowledge needed to care for them is global. Brick by brick. Stone by stone. Border by border.
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July 30, 2026
For more than a century, the construction industry has focused on keeping water out of buildings. Far less attention has ... Read more
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May 13, 2026
As an engineer, architect or contractor, what would you tell the owner if you came across this 18 month old ... Read more
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Wall Ties & Cavity Wall Systems
April 30, 2026
Years ago, I was part of a forensic investigation team of engineers and specialists, called in to assess a failing ... Read more
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January 14, 2026
A Hard-Learned Lesson in Moisture, Masonry, and Structural Risk Moisture intrusion remains the most persistent and underestimated cause of masonry ... Read more
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January 7, 2026
Historic masonry restoration always hides structural surprises. Learn why expecting the unexpected is the first rule—and how professionals manage risk.
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Lintels — Steel, Concrete & Timber
January 24, 2024
Published: January 4, 2024 A garage door opening is often the widest structural opening in a home. Remove that much ... Read more
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Wall Ties & Cavity Wall Systems
October 1, 2023
Masonry veneer failures rarely give generous warning. When they occur, they are often sudden, localized, and dangerous—especially where veneer is ... Read more
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September 25, 2023
Alan Pettingale & J. Eric Peterson Multiwythe masonry walls—particularly those in 19th and early 20th century mercantile buildings—were designed as ... Read more
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August 28, 2023
The masonry repair industry is facing a reckoning. Back in 2009, Alan Pettingale raised concerns about dangerous trends developing across ... Read more
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