Second, you will need to obtain labels from the certifying agency you determine meets your needs. Third, you will need to obtain updated specifications that include procedures for products complying with Georgia Pacific certifications. The sales department located in Atlanta, Georgia will assist you in meeting the requirement necessary to get you started. The choice is yours. Georgia-Pacific has certifications that do not require the use of intumescent in the door or on the frame.
Certifications are also available for doors and frames constructed with intumescent.
Many of the major door manufacturers in the United States. A map with location and contact information for some of the leading manufacturers is contained in this web site. Yes, Georgia Pacific has certified a wood or HPL veneered Firestop frame with concealed intumescent. This frame can be produced in a wood veneer or HPL to match the door. Frames are available up to 90 minute rated from authorized manufacturers.