Specifications include, but are not limited to: 5. Frame at Wood Doors: 14 gage, 0.067 inch minimum. C. Primer: Rust-inhibiting, complying with ANSI/SDI A250.10, and compatible with finish coats specified in Section 09 96 00 - High-Performance Coatings. D. Corrosion Resistant Coating: High-build, water-resistant, resilient coating NFPA 101 Class A. 1. Product: Hi-Build Epoxoline II N69 manufactured by Tnemec or equal. E. Mineral-Fiber Insulation: ASTM C665, Type I (blankets without membrane facing); consisting of fibers manufactured from slag or rock wool with 6- to 12-lb/cu. ft. density; with maximum flamespread and smoke-development indexes of 25 and 50, respectively; passing ASTM E136 for combustion characteristics. F. Grout for Frames: Portland cement grout with maximum 4 inch slump for hand troweling; thinner pumpable grout is prohibited. 2.3 EXTERIOR AND INTERIOR DOOR FABRICATION DATA A. Door Face Sheets: Commercial quality, level, cold- rolled steel conforming to ASTM A1008 or hotrolled, pickled and oiled steel conforming to ASTM A1011. Provide steel free of scale, pitting, coil breaks, buckles, waves, or other surface blemishes. Provide steel free of defects caused by the use of improperly leveled sheets. 1. Interior Door Face Sheets: 16-gage minimum thickness, having a zinc coating applied by the hot-dip process conforming to ASTM A526 or A642 and A525 (A40 or G60) with a coating weight of not less than 0.60 ounces per square foot (0.30 ounces per square foot per side). 2. Exterior doors to be filled with a core material to produce a minimum thermal āUā factor of 0.20 tested per SDI 116. Doors might require ANSI cutout for concealed alarm switch. B. Edge Treatment: Join door face sheets at their vertical edges by a continuous weld extending the full height of the door, with no visible seams on their faces or vertical edges. C. Close top and bottom edges with a continuous channel not less than 16-gage thickness, spot welded to both face sheets. Treatment can be either flush or inverted. D. Exterior Doors: Fit with an additional flush closing channel at the top edges. Where required for attachment of weatherstripping, provide a flush closure channel at the bottom edge. Provide openings in bottom closure channel to permit escape of entrapped moisture.