Single-Chamber
Flowstop
The single-chamber Flowstop is a barrier that pushes against 4 walls. It has a gasket on each of the 4 sides.
Best Use for Vents, Windows, or to protect against waves.
Please note, your barrier will not protect against over 42" of flood water.
Specifications
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The single-chamber pushes against 4 walls
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Gasket on 4 sides
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Customized for any Height
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Max. Width is 275"
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Available in the following depths: 2.8", 4", 4.7", 6" or 8", depending on Width (See Depth Table)
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Posts can be installed to increase the depth of the opening.

Depth Table
Width of your Flowstop | 0" to 31" | 31" to 39" | 39" to 47" | 47" to 78" | 78" and over |
Depth required on the wall | 1.8" | 2.6" | 3.1" | 4" | 5.3" |
Flowstop Depth Minim available | 2.8" | 4" | 4.7" | 6" | 8" |
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.
Specifications
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The double-chamber pushes against 3 walls
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Gasket on 3 sides
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Minimum height available is 31.5"
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Available in the following depths: 2.8", 4", 4.7", 6" or 8", depending on Width (See Depth Table)
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Requires Straps after a certain Width (See Straps table)
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Available in specific heights (See Heigh Table)
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2 Chambers that inflate separately
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Posts can be installed to increase the depth of the opening.
Depth Table
Width of your Flowstop | 0" to 31" | 31" to 39" | 39" to 47" | 47" to 78" | 78" and over |
Depth required on the wall | 1.8" | 2.6" | 3.1" | 4" | 5.3" |
Flowstop Depth Minim available | 2.8" | 4" | 4.7" | 6" | 8" |
Height Table
Height available | 31.5 | 35.5 | 39.5 | 43.5 | 47.5 | 51.0 | 55.0 | 59.0 |
Flood water protection | 26.50 | 30.50 | 34.50 | 38.50 | 40 | 40 | 40 | 40 |


Strap Table
Width of the Flowstop | 78" to 95" | 95" to 135" | 135" to 275" |
# of straps required | 1 | 2 | 4 |



Width
Each Flowstop can be made up to 26 ft wide
Recommendation: For easier storing, instalation, and lighterweight, for wider openings it is best to have 2 flowstops connectdd by an I - Beam

Wall and Floor Requirements
Flowstop will only work if all openings are sealed
· Floor · Door Casing ·Trim · Metal board · Cracks · Pavers




Solutions to Add More Depth

Permanent and Temporary Brackets/Posts can be installed
· Permanent is recommended
Brackets and Posts must be sealed to the walls
· If the gasket is against the established floor, no sealing for the floor is necessary
· If the gasket is not against the established floor, the solution needs to be sealed
