Meet carbon-negative structural wall and roof sheathing for new homes. Meet Plantd Materials, named the Most Innovative Start-Up in the 2023 IBS Start-Up Zone. ARX City and BotBuilt were the two runner ups. Plantd Materials, ARX City and BotBuilt were three of the 20 companies that shared their revolutionary products in the Start-Up Zone at the Builders’ Show. See all the innovative start-ups that came together at IBS 2023.