""What is Sustainable Design Fiberboard?" is a good one, and your analysis is enlightening. It may be of interest for your readers to know that we at Ecovative manufacture a truly healthy and natural alternative to engineered woods such as fiberboard, particleboard, and plywood. Our product, Myco Board, is safe (urea-formaldehyde free and VOC free), Class A fire rated, customizable, and cost competitive. Myco Board materials are Cradle to Cradle Gold Certified, the highest level of certification achieved by any product or material. Gunlocke, manufacturer of office furniture, has incorporated our Myco Board into its "Savor" office guest chair, now listed among the "Top Ten Green Building Products for 2016" by Building Green. It is safe to say, Ecovative's product is certifiably the answer to your question."