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Sandbags - The most effective Tool For Flood Defence
  • Sandbag construction can be a centuries old technique which includes changed little. Sand bags are manufactured from various materials, the most common being hessian. More recently woven polypropylene sandbags have already been introduced and so are proving more efficient for many operations involving these flood defence sandbags.

    Sand is definitely the easiest and most effective material for filling and shaping sandbags. In a time of flooding the rain can also help to saturate from your rain and in addition makes the bags heavier. During emergencies, Sand Bags may not be available therefore silt, clay, gravel or even a blend of these could be used, but none act as along with sand. Sometimes within a flood there may be no vehicle usage of a flood site, and this is when materials other than sand may be used.

    Sandbags can be used to:

    - Prevent overtopping levees
    - Direct a river's current flow to some specific are
    - Construct ring dikes around boils over a levee
    - Use like a weight for holding down traffic signs for example
    - Stacking sandbags by home gates and doors can greatly diminish flood damage


    It really is commonly considered that sandbags needs to be built like a wall to fully block water, this is a misunderstanding. It is possible to completely block water, but this requires plenty of time to develop a pyramid styled wall many sandbags thick. This will take time and also the very nature of flooding signifies that people rarely have enough time to prepare. The force from the water is really so great it is a lot more better to quickly develop a much thinner wall for the exact purpose of redirecting the flow from the water out of the location being targeted by the water drainage. Using this method gives you a much greater chance of preventing flood harm to your home as opposed to trying to create a blocking wall, that can probably get washed away.

    The flow water is greatly underestimated, people attempting to block will probably be happy with how it visits focus on, however, if the water has nowhere to look, it's going to build-up, rise and rise. The truly amazing build of force indicates water will begin finding gaps within the sandbags and in addition moving a few of the bags misplaced and if you don't keep building the wall higher, water will very surely overflow your wall and surge into your property causing painful damage.

    More information about Flood Defence site: click here.