Jackson Lumber Catalog

April 2021 157 18 gauge Polystyrene 90 Minute Rated Flush Steel Door JLM Part # Description 3068HMD 3068 18g HM UL Insul REV 3070HMDL 3070 18g HM UL Insul LH 3070HMDR 3070 18g HM UL Insul RH Polystyrene Core Door Preparation 7-1/2" 37-7/16" 67-3/8" 80" 36" C 39-9/16" 7-3/8" 37-5/16" 67-1/4" 40-5/16" 79-1/8" 39-9/16" C 7- 1/2" 39-7/16" 71-3/8" 84" 36" C 7-3/8" 39-5/16" 71-1/4" 40-5/16" 83-1/8" 39-9/16" 43-9/16" C 3/4" 3/4" Standard Hinge and Lock Locations 6’-8" 7’-0" Frame Door Frame Door Commercial Metal Doors LUMBER & MILLWORK PRODUCT FEATURES: Polystyrene insulated core doors are 18 gauge A-40 steel. Prefit size is nominal width minus ¼” and nominal height minus 7/8”. Hardware locations are Steelcraft standard. All doors are provided with a 90 minute fire label. Typical R value for doors is 4.17. Both edges are beveled. Doors are constructed with an exposed mechanical lock seam on both edges. All internal reinforcements are constructed with A-40 steel. LUMBER & MILLWORK FAMILY OWNED & OPERATED SINCE 1946

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