Delivered in a duffel bag, the barrier is rolled up on itself, the leading edge is already weighted. It is sufficient to unroll the barrier in front of the entrance to be protected, even if the flooding has already started.
To prevent water from running backwards, place a sandbag on each side under the backdrop, on the hinge side, making sure it rests against the facade.
Adapts to all surfaces without work: paving stones, tarmac, concrete, grass, gravel … even in the presence of obstacles (curbs, angles, door stops …).
Please note that flexible dams are not 100% waterproof. Leak water must be collected by pumping.