A 2018 report did note the roof and concrete repair costs still required further investigations and could be “substantive,” Marquardson said. The full repair tab is still not yet known.

The average thickness of the concrete was around two inches; the support surfaces had a thickness of 4.7 inches and the edges of the roof were just around one inch thick.

John Vanderwerf, co-owner of Lakeshore Concrete is shown at the company's new plant under construction on North Service Road in Amherstburg on Monday, August 26, 2024.

The prototype for the roof was some 7.5 meters high, and had a total curved surface area of 160 square meters. It's now been dismantled, ahead of the same design being implemented next year on the ...

Dunnett and Kingsbury say that the 1868 World Exhibition in Paris included a planted concrete “nature roof,” the first of several in Western Europe. In 1914, architect Frank Lloyd Wright used ...

A I’d be surprised if caulking alone will fix your issue. It sounds to me like you’ve got enough ice on the roof that it’s trapping water and allowing it to pool in the valley. This is ...