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Osmo Flood Barrier

Osmo Flood Barrier is a disposable super absorbent barrier designed to form a water-tight barrier protecting homes and businesses from the flow of food water. Available in 1.5 metre and 3 metre lengths, simply place in front of a door, activate with water, and it absorbs up to 30 litres of water, crystallises, and forms a water-tight barrier. Using super absorbent technology, the barrier absorbs water and binds together to create a flood protection sock. The flood barrier absorbs water on contact, making it quick to deploy, and the ideal sandbag equivalent.

Looking for an award-winning flood barrier that can be fitted in seconds, and protect your house against up to 60cm of water? Have a look at ourfamous Floodshield flood barrier.


  • Protects property from invasive flood water
  • Inflates on contact with water in minutes
  • Once inflated, forms a resilient, leak-proof, water-tight barrier against most surface
  • Ideal for use across wide doorways, garage doors, driveways, footpaths and gates or to divert flood water away from the property
  • Can be used as a temporary flash flood or long-term flood measure
  • Easy to store when not in use
  • Easy to roll out in an emergency
  • Eco-friendly sandbag equivalent, using 50% reclaimed material
  • Made in the UK from OSMO’s Super Absorbent Polymers.
  • Non toxic and non hazardous.

How to use

Simply roll out and the water will absorb and activate the flood barrier:

Technical details

  • Dimensions flat length x width 1500/3000 x 210 mm
  • Dimensions inflated length x width x height 1500/3000 x 210 x 90 mm
  • Absorbency capacity per barrier 15/30 litres
  • Product weight: 1.5m-265g • 3m-512g

Delivery information

Customer Reviews

Based on 34 reviews
Richard Eagle

These barriers have not been tested so cannot
provide review


I didn’t even know this existed until I visited this site. I bought 2 x 3m ones to divert excess flood water away from an outbuilding and into a ditch. I’m an older lady and my back is is bits these days so the thought of lugging sandbags was a painful one. These are feather light! I am so pleased and grateful.

Sharon Winwright

Haven't used it yet .

Gordon Burgess
Fairly good product but more information required!

Did what they are supposed to during heavy rain but unable to drain them, very heavy after use! DO NOT LET TRAFFIC TRAVEL OVER THEM AS A CAR DROVE OVER MINE AND BURST THE BAGS!!! RUINED!

Deborah hurn
Excellent product

I used two 3m of these barriers to direct river water from flooding into my house through back door and front door...they worked very well indeed and will order more for this year
Excellent product.