The SSI-25 Series is available with several
headroom configurations to help fit your site requirements.

The SSI-25 Series offers optional
insulation. A U-shaped rubber astragal seals the bottom from the rain and wind and a polystyrene board interior bonded
between steel exteriors, with tongue and groove between sections and rails completes the barrier from the elements.
A calculated R-factor of 9.4 increases the energy efficiency of your door.