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� <br /> ', ' <br /> B. Solid Core Doors for Opaque Finish: Comply with the following requirements: ' <br /> 1. Faces: Medium-density overlay over standard thickness hardwood face veneers. <br /> 2. Facesc Any closed-grain hardwood of mill option. t <br /> 3. Faces: Hardboazd. <br /> 4. Grade: Premium. <br /> 5. Grade: Custom. ' <br /> 6. Grade: Economy. <br /> 7. Construction: 5 plies. <br /> 8. Construction: 7 plies. <br /> 9. Construction: Hardboard faces glued directly to core. ' <br /> 10. Core: Particleboard core. <br /> 11. Core: Glued-block core. <br /> 12. Core: Nonglued-block core. ' <br /> 13. Bonding: Stiles and rails bonded to core,then entire unit abrasive planed before <br /> veneering. <br /> 2.3 FABRICATION ' <br /> A. Fabricate flush wood doors to comply with following requirements: <br /> 1. In sizes indicated for job-site fitting. ' <br /> 2. Factory fit doors to suit frame-opening sizes indicated,with the following unifarm <br /> clearances and bevels: <br /> a, Comply with ciearance requirements of referenced qualiTy standard for fitting. ' <br /> Comply with requirements of NFPA 80 for fire-resistance-rated doors. <br /> 3. Factory machine doors for hardware that is not surface applied. Locate hardware to , <br /> comply with DHI-WDHS-3. Comply with final hardware schedules, door frame shop <br /> drawings,DHI A 115-W series standards,and hardware templates. <br /> a Coordinate measurements of hardware mortises in metal frames to verify ' <br /> dimensions and alignment before proceeding with factory machining. <br /> b. Metal Astragals: Premachine astragals and formed-steel edges for <br /> hardware for pairs of fire-rated doors. ' <br /> 2.4 SHOP PRIlVIING <br /> A. Doors for Opaque Finish: Shop prime exposed portions of doors for paint finish with one coat ' <br /> of waod primer specified in Division 9 Section"Painting." <br /> B. Transparent Finish: Shop-seal faces and edges of doors for transpazent finish with stain (if ' <br /> required),other required pretreatments, and first coat of fmish as specified in the following: <br /> 1. Division 9 Section "Painting." , <br /> 2. Division 9 Section"Exterior Wood Stains." <br /> 2.5 FACTORY FINISHING <br /> A. General: Comply with referenced quality standard's requirements for factory finishing. ' <br /> B. Finish wood doors at factory. <br /> C. Finish wood doors at factory where indicated on schedules or Drawings as factory finished. ' <br /> FLUSIi WOOD DOORS Page 4 of 6 , <br /> t. <br />