Concrete not only enhances Fireplace Hearths & Mantels, it’s safer than wood or other materials – (see note below on high temperature warnings)
Ancient Art Concrete Countertops – Fabricated by Hand… by Artisans
Concrete Fireplace Hearth and Mantel in Barton Creek – Austin, TX. The mantel was a huge monolithic casting 6″ thick and 10 feet long. It had to be flipped by a forklift!
Some images below from Buddy Rhodes Studio