Protecting your business can be a full-time job. Let Mid-America Door take some of the worry away by choosing a quality Commercial Grade door from our SSI-24 Series.
The SSI-24 Series offers 24 gauge steel on the exterior and interior with money-saving, highly effective insulation in between. The SSI-24 Series is also available with windows and Full View.
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Reverse Angle: Door overlaps jamb approximately 1? against continuous angle of track support system (angle foot toward door). May be used with wood or steel jambs. The door closes against the base flange of the continuous angle.
Bracket Mounted Track: Use with wood jambs. Door closes against stop molding.
General: Doors will be Series SSI, 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 of other trades.
Door Sections: Sections will have a nominal 2? thickness, manufactured using exterior roll formed 25 gauge steel (SSl-25) or 24 gauge steel (SSl-24) and continuous sculpted polystyrene board bonded between the exterior steel face and flush embossed steel interior. Sections will have 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.
Track: Galvanized steel track systems are 2? or 3? depending upon door size and will be bracket or angle mounted, depending upon application.
Hardware: Hinges and brackets to be made from galvanized steel. Each roller will have ten hardened 1/4? steel balls; optional rollers available to meet design requirements. Cables are 7 x 19 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 doors.
Finish: Paint will be baked-on commercial white with a polyester coating.
Weather-Strip: Bottom rail of section to include U-shaped vinyl astragal held in place by aluminum retainer to provide additional reinforcement. Additional weatherstripping available for full width of header and jambs.
Lock: Lock will be interior mount slide lock. (Optional cylinder lock available.)
Vision Sections: 6 x 24 or 12 x 24 black vinyl frame lites can be provided in either single or double glaze. (White frames available by special order.)
Also available with full view sections.
Operation: Operation to be made by manual lift, chain hoist or electric motor.
The SSI-24 Series is available with several headroom configurations to help fit your site requirements.