NAUF is an acronym that stands for “No Added Urea Formaldehyde”.  It is a term used in the construction industry to describe products manufactured by the wood industry that specifically eliminate the use of urea formaldehyde resin adhesives from the laminating and bonding phase of the manufacturing process. Urea Formaldehyde is a reference to the type of resin that is used as a bonding agent in hardwood decorative plywood and composite wood panels such as Particleboard and Medium Density Fibreboard.  Formaldehyde emission problems have been associated with urea formaldehyde adhesives. Phenol Formaldehyde is a reference to the type of resin that is used as a bonding agent in engineered wood products recognized by North American building codes for structural applications.  The inherent structural and moisture durability of phenolic resin adhesives results in very low formaldehyde emissions.  Richply uses only phenol formaldehyde resin adhesives in 100% of the plywood we manufacture.  Richply plywood contains No Added Urea Formaldehyde (NAUF).