Flex- Cover

The Flex-Cover® is a high strength cover that can be deployed rapidly for flood protection of ventilation shafts or any grated opening.  It is constructed from textile based materials and composite panels and is manually deployed.  The Flex-Cover can be any size and shape to fit any opening, and can be joined together to cover extra-large openings.

Product Attributes:

  • Lightweight design is 75% less than steel plates for easy transportation & installation
  • Conforms to uneven surfaces
  • Deploy/retract small walls in minutes by a single person with minimal training
  • Seals against the perimeter of the opening
  • Dual seals for redundant protection
  • Highly visible
  • Secured in place with tamperproof screws
  • Scalable to any size (individually or via joining)
  • Can withstand 10+ft of water


  1. Place cover over opening
  2. Place bolts through holes in cover and hook on gratings
  3. Tighten bolts
  4. Reverse procedure to remove the system
Image of Flex Cover in use - Prevents Water Flooding

Flex cover at work in the field.


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