Rebecca Kay designs artwork with glass fiber reinforced concrete (biophilic design.) That concrete may contain fly ash. Other designs involve decorative kitchen countertops and tables. Go to Inhabit concrete design.
Erica Stine has designed the fly ash chair made of geopolymer concrete. She received the redDOT award in 2020.
Tiger Mountain Innovations produces a Squak Mountain Stone for countertops and tiles. This stone is made from cement, waste paper fiber, pulp, granite dust and fly ash (contact Amee Quiriconi in Issaquah, WA USA.)