(September 10, 2026 @ 6pm ET) 40 Minutes of Competence Study Session: Old Bricks, New Problems - What Architects Should Know About Historic Masonry

This week's Amber Book: 40 Minutes of Competence program is titled, “Old Bricks, New Problems: What Architects Should Know About Historic Masonry”

 

These study sessions are free and open to all, not just Amber Book subscribers, so join us this Thursday at 6pm ET: https://us02web.zoom.us/j/83922907346

 

You’ll take the first five minutes of class to answer this week's question alone, but if you would like to get a head-start on that, here is the assignment:

An architect renovates an old brick bank, transforming it into a mid-sized mixed-use building. He chooses Type O mortar for repointing because it is _______.

A. Softer than the brick

B. Harder than the brick

C. About the same hardness as the brick