Sectional Door Assembly: Metal / Foam / Metal sandwich panel construction, with EPDM thermal break and ship-lap design with rounded water channels. Unit shall have the following characteristics: a. Panel Thickness: 1-5/8 inches minimum b. Exterior Surface: Ribbed, textured c. Exterior Skin Material: 0.015-inch-thick steel, hot-dipped galvanized d. Foam Material: CFC free and HCFC free polyurethane, fully encapsulated e. Foam Thermal Value: Tested installed assembly U-factor of 0.13 Btu/hr./SF degrees F; minimum section R-value of 14.86. f. End Stiles: 16 gauge with thermal break g. Spring Counterbalance: Sized to weight of door, with a helically wound, oil tempered torsion spring mounted on a steel shaft; cable drum of diecast aluminum with high strength galvanized aircraft cable. Sized with a minimum 7 to 1 safety factor. h. Standard cycle spring: 10,000 cycles i. Air Infiltration: 0.08 cfm/sq. ft. at 15-25 mph j. Doors # 101 A & 101 B Hardware shall be stainless steel (Hinges, Rollers, Tracks) for Wash Bay Environment. a. Window Openings: 10’ x 10’ Door shall have One (1) Row of Three (3) windows, 25“by 12”. All 14’ x 14’ Doors shall have One (1) Row of Four (4) Windows, 25” by 12”. Tempered Insulating Glass at all installations. All Glazing: 1/2 inch (12.5 mm). 4. Finish and Color: Two coat baked-on polyester with white exterior and white interior colors. 5. Wind load Design: ANSI/NAGDM 102 standards.. 6. Hardware: Galvanized steel hinges and fixtures. Ball bearing rollers with hardened steel races. 7. Lock: Five pin tumbler keyed lock. 8. Weatherstripping: EPDM rubber tube seals fitted inside joints between sections. Epdm rubber bulb-type strip at bottom. Flexible header seal and jamb seal weatherstripping.
