Your First Line of
Defense Against
Flooding
FlowStop flood barriers are designed to prevent water from entering your property’s openings.
Discover the latest breakthrough in flood protection—FlowStop is an inflatable barrier that provides rapid defense against flooding.
Each FlowStop barrier is custom-built to fit doors, garages, or windows, and can be manufactured to suit nearly any length and height.

Simply inflate your FlowStop…
...over 10,000 FlowStops
protecting houses:

How to Get your FlowStop
01
ONLINE ASSESSMENT
Contact us to schedule a convenient online compatibility assessment with our team. We’ll review all your available options, assess compatibility with your property, and provide a detailed cost estimate along with personalized recommendations.
02
ON-SITE VISIT
If you choose to proceed, we’ll arrange a complimentary in-person visit from one of our local agents. Our local experts will take precise measurements and offer a customized recommendation to ensure your home receives the best possible protection.
03
FINAL QUOTE & DELIVERY
After the assessment, you will receive a final quote. Once you approve it, we will send an invoice. Your FlowStop system will be delivered within 6 to 13 weeks, based on volume demand.
Don't wait until the last minute.
Why FlowStop?
Stops flooding
Custom-made
FlowStop barriers fit most openings. They are custom-made to match the width of your frame and can be manufactured to any height you need.

FlowStop is lightweight and easy to transport. Setting it up is simple: just place the device in your opening and inflate it.
Easy to set up
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No tools needed
In most cases, no extra tools or construction are needed. Simply place your FlowStop in the opening and inflate.
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Easy to store
When deflated, FlowStop is lightweight and compact. You can hang it by the handle or roll it up and store it in a box.
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FlowStop is designed to block water at your property’s openings—even in severe weather conditions. Constructed from durable PVC material, it stands strong against powerful winds, surging waves, debris, and more.
Protecting properties worldwide

Hot news
Our inflatable flood barrier devices are custom-made to fit your door, window, garage frame, or any other opening. When inflated, a FlowStop creates a high-pressure, sealed barrier within the framed opening, effectively preventing water from entering.
Yes, our technology is engineered to withstand strong forces from both pulling and pushing, including high winds.
Yes! FlowStop is specifically designed and tested for reuse and easy repair.
Yes, FlowStop was specifically designed and tested to withstand various types of debris encountered in different conditions—including logs, sharp objects, and more. It has also undergone rigorous testing under extreme pressure scenarios. While constructed from durable PVC and engineered to absorb strong impacts, FlowStop is not intended to function as a hurricane shutter.
Yes, FlowStop is an inflatable device designed to adapt to imperfections in uneven frames—whether it's a window, door, or garage opening. In some extreme cases, we may recommend leveling the floor, filling in large cracks, or applying Flood Protection Paste to ensure a secure seal.
Yes, FlowStop can adapt to and maintain a strong seal, even on sloped surfaces.
FlowStop weighs approximately 0.0006 pounds per square inch. For example, a FlowStop measuring 36 inches wide by 31.5 inches high weighs about 6.8 pounds.
A FlowStop flood barrier can be set up in minutes, but protecting an entire home may take several hours. We recommend preparing and setting up most of your FlowStop as soon as you receive the first flood warning.
Even in extremely high temperatures, FlowStop maintains its shape and strength without alteration. It has been tested to withstand temperatures as high as 167 degrees Fahrenheit.
FlowStop is easy to roll up and can be stored in a box or hung by its handle.
Yes! We recommend testing your FlowStop as soon as you receive it. This way, if any issues arise, we can address them before an emergency occurs.






































