top of page

Full specs

Single-Chamber FlowStop

The single-chamber FlowStop is a barrier that pushes against four walls. It has a gasket on each of the four sides.
Best used for vents, windows, or protection against waves.
Please note that your barrier will not protect against more than 42 inches of floodwater.

Specifications

Screenshot 2025-06-13 121015.png
  • The single-chamber pushes against four walls.

  • Gasket on four sides.

  • Customized for any height.

  • Maximum width is 275".

  • Standard depths are 6" or 8", depending on width (see depth table).

  • When a 6" FlowStop won't fit, non-standard depths are also available, depending on width (see depth table).

  • Posts can be installed to increase the depth of the opening.

Depth Table

single chamber depth.png

Double-Chamber FlowStop

The double-chamber FlowStop is a barrier that pushes against 3 walls. It has a gasket on both sides and the bottom.

Best Use for Door, Windows, garage door, Large opening

 

Please note, your barrier will not protect against over 40" of flood water.

2025-header-flowstop-desktop-1800x1200.png

Specifications

  • The double-chamber pushes against 3 walls

  • Gasket on 3 sides

  • Minimum height available is 31.5"

  • Standard depths are 6" or 8", depending on Width (See Depth Table)​

  • When a 6" FlowStop won't fit, non-standard depths are also available, depending on Width (See Depth Table)

  • Requires Straps after a certain Width (See Straps table)

  • Available in specific heights (See Height Table)

  • 2 Chambers that inflate separately

  • Posts can be installed to increase the depth of the opening.

Screenshot 2025-06-15 182756.png

Depth Table

Width_edited.png

Height Table

height table_edited.png

Strap Table

TABS (1).png
3.png

Anchors tutorial

2.jpg
1.jpg
bottom of page