Engineered Sheet Materials Sustainable Sources 1994-2000. The Tucson Institute for Sustainable Communities is a non-profit educational organization based in Tucson, Arizona, which works to cultivate vital and sustainable communities that are resource efficient, ecological, affordable and equitable. Sustainable Sources 1994-2001. Recycled content sheet products include any percentage of recycled material. Products that use recycled newsprint, agricultural byproducts, or wood waste are considered recycled content materials.
Reconstituted materials use chipped or stranded small-diameter trees as their wood source.
This material is then bound together into forms suitable for building. Some of these materials need to be kept dry during the construction process. Binders used in some of these materials may outgas. It is best to avoid materials that contain urea formaldehyde. Phenol formaldehyde is predominantly used in materials for exterior applications.