Texas Garage Door & Opener, Repair, Install, Dallas, Ft Worth, Commercial, Residential

GENERAL: Doors shall be SSI Series as manufactured by Mid-America Door Company.

RELATED WORK: Opening preparation, miscellaneous or structural metal work, access panels, finish or field painting, are in the scope of work or other trades.

DOOR SECTIONS: Sections will have a nominal 2" thickness, manufactured using exterior roll formed 24-gauge steel and continuous sculpted polystyrene board bonded between the exterior steel face and flush embossed steel interior. Sections will have a tongue and groove meeting rail to provide a weather tight seal between sections. End stiles will be 18 gauge galvanized formed steel. Center stiles will be vertical interior 16 gauge steel plates running the entire section height placed on centers for design requirements. Door sections to have a calculated R factor of 9.4.

TRACK: Galvanized steel track systems shall be 2" or 3" depending on door size and will be bracket or angle mounted depending upon application.

HARDWARE: Hinges and brackets to be made from galvanized steel. Each roller shall have ten hardened ¼" steel balls. Cables 7x19 strand galvanized aircraft type with a minimum safety factor of 8 to 1.

SPRING COUNTERBALANCE: Springs shall be oil tempered, helical wound and stress relieved torsion type. Springs shall be mounted on a continuous cross header steel shaft supported by bearing brackets. Long life springs of 25-50-100 thousand cycles may be specified and are recommended for high usage.

FINISH: Paint will be baked on commercial white with a polyester coating.

WEATHER-STRIP: Bottom rail of section to include U'd vinyl astragal held in place by aluminum retainer to provide additional reinforcement. Additional weather-stripping available for full width of header and jams.

LOCK: Lock will be interior mount slide lock. (Optional cylinder lock available)

VISION SECTIONS: 25 x 5 vinyl frames lites can be provided in either single glaze or double glaze.

OPERATION: Operation to be made by manual lift, chain hoist, or electric motor.