Manufactured by Richwood Industries in Grand Rapids, MI, PolyBak is most widely recognized as a balancing backer, however its physical qualities and variety of models also make it an excellent choice for crossband and overlay applications, as well as serving as a substrate for thin foils and wood veneers. PolyBak is produced using a proprietary polymer resin that has no formaldehyde or other harmful chemicals. This has earned it the UL Environmental Formaldehyde Free validation, in addition to the GREENGUARD Gold Certification. Richwood Industries has been producing PolyBak since 2002; their particular focus on backer solutions has positioned them as an expert in the industry, where they are the trusted choice