A retaining wall at Premier Credit Union in downtown Des Moines is made from concrete mixed with fiber from decommissioned wind turbine blades. (Photo courtesy of Renewablade)
Three wind turbine blades sit ground up inside the concrete blocks of a new retaining wall at Premier Credit Union in downtown Des Moines.
It’s the latest project from Renewablade, a company in Bondurant that has found a way to use the materials and, in turn, alleviate the issue of what to do with the massive hunks of fiberglass and resin…