0 Talk Concrete Edit History Concrete was an alloy. It was possibly related to ferrocrete or permacrete. AppearancesEdit Episode I Adventures 1: Search for the Lost Jedi Lando Calrissian and the Flamewind of Oseon Lando Calrissian and the Starcave of ThonBoka (in Flashback) Dark Knight's Devilry The New Rebellion Related Categories Category: Compounds