LRBG Chemicals PRF resins (Phenol-Resorcinol-Formaldehyde) are made at our plant in Longueuil, Quebec and with the addition of our external catalyst, provides a strong waterproof bond to wood substrates for structural applications or EWP (Engineered Wood Products) such as the production of laminated wood beams and exterior grade Glulam beams. Our product is also ASTM and CCMC certified, meeting the highest industry quality standards.