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Portal Flex-Gate®

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The Portal Flex-Gate is a high strength flexible wall that can be deployed rapidly for flood protection of portals, entrances, railway garages and additional assets and infrastructure. It is constructed from textile based materials that reside in a container typically mounted above the opening and can be deployed manually or electrically. The Portal Flex-Gate provides effective protection when the Design Flood Elevation is above the opening level and the entire perimeter of the opening needs to be flood protected.

Product Attributes:

  • All components are stored at its point-of-use (no scrambling for parts in an emergency, no damage/loss of parts during transport)
  • Small volume container – unobtrusive & no impact on opening access
  • Design is scalable to water levels from Riverine to Hurricane flooding with wave impact
  • Deploy/retract quickly with minimal manpower and equipment
  • Can be customized for a variety of opening designs and sizes
  • Can deploy in high winds
  • Rugged construction and damping characteristics withstand debris impact
  • Can seal around rail lines
  • Effective when DFE exceeds opening height


  • Remove Clamp Bars from building side walls
  • Open Storage Container and lower Flex-Gate®
  • Capture the Flex-Gate® sides behind the Clamp Bars and re-attach to the side walls
  • Bolt the Seal Bar on the base of the Flex-Gate® to the preinstalled anchors at ground level

Downloadable Content


  • Product Attributes

    • All components are stored at its point-of-use (no scrambling for parts in an emergency)
    • It can be installed in a horizontal or vertical orientation above or in the stairwell
    • Small volume container – unobtrusive & low visual impact
    • Design is scalable to water levels up to 30ft and deployable in high winds
    • Deploy in under 10 minutes by a single person with minimal training and no special equipment
    • Manually operated (can be automated)
  • Product Types

    • Horizontal stairwell (single or multiple lane)
    • Vertical stairwell (at bottom of stairs)
  • Operation

    1. Open tamperproof step and guiderail plates 
    2. Crank cover to closed position using supplied ratchet 
    3. Lock end sealing plate & deploy entrance guard 
    4. Reverse procedure to open system 

Ordering Information

To place an order:

E-mail Customer Service

Tel: 1.302.335.3911
Fax: 1.302.335.1320

Sales & Customer Service
Tel: 1.302.335.3911 x506 or 1.800.631.9567 (US Toll Free)