Bricks made of discarded glass and recycling-waste ash have been shown to insulate better than regular bricks, while also requiring less energy to produce. And of course, they additionally use ...

Frank Roethel runs his hands along the boathouse’s interior walls. The exposed brick is smooth and cool to the touch; in contrast to the outside cratered from nearly 30 years of wind, rain and snow.

On one hand, with the retirement of coal-fired power plants the supply of fly ash has decreased. Fly ash is one of the most popular supplemental cementitious materials (SCM) in the industry, so it’s ...