Made to measure for every opening
One cushion per opening, a perfect seal every time
How it works
Ready in minutes, stored in a closet
Measure your openings
Width and height of each door, window, or garage opening you want protected.
We fabricate to fit
Each cushion is custom-made so it seals your exact opening. Patented, tested technology.
Inflate when water rises
Place the cushion in the opening and inflate with the included pump. A few minutes per opening.
Deflate and store
After the water recedes, deflate, dry, and tuck it away. Reusable, season after season.
The FlowStop advantages
A smarter alternative to sandbags and flood gates
Did you know?
Average post-flood cost per flooded home
Drop in property value after a flood
Canadian properties exposed to flood risk
$1 in prevention saves $7 in claims
Sources: Government of Canada; Intact Centre on Climate Adaptation / University of Waterloo; Insurance Bureau of Canada; Gouvernement du Québec
Who it's for
Protection for every kind of building
Homes
Protect what matters to you and your family. Avoid the cost and disruption of a flooded basement or main floor.
Protect your home →Community buildings
Keep water out of band offices, schools, and equipment rooms. Minutes of prevention against weeks of downtime.
Protect your building →Whole communities
Bundle protection for flood-prone homes before spring melt, with emergency-management funding to pair.
Plan with IES →Get a made-to-measure quote
Send us your opening measurements and we'll size the right FlowStop for each one. Custom fabrication, 5-year warranty.