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Beaver Tube Dam – Mobile Flood Protection

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The BEAVER tube dam is fast, simple and reliable in operation: a small team can install around 100 meters per hour without heavy machinery. Thanks to its dual-chamber system with no loose parts, it also works on uneven ground and extends seamlessly into long defense lines. Filled with water, it sits firmly in place (“fighting water with water”), withstands flow speeds and floating debris, and keeps its shape. Reusability and low staffing and logistics requirements cut life-cycle costs significantly compared with sandbags. With more than 150 km deployed in the field and EVH certification, the system is proven in practice worldwide.

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Rescuevation: Featured in the trade press

BKS Report-Logo, Fachzeitschrift für Brand-, Katastrophenschutz und Sicherheit
Interschutz-Logo, internationale Leitmesse für Brandschutz und Rettung in Hannover Rescuevation ist dort wiederholt Aussteller
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BKS Report-Logo, Fachzeitschrift für Brand-, Katastrophenschutz und Sicherheit
Interschutz-Logo, internationale Leitmesse für Brandschutz und Rettung in Hannover Rescuevation ist dort wiederholt Aussteller
n-tv-Logo, deutscher Nachrichtenfernsehsender
Feuerwehrmagazin-Logo, deutsche Fachzeitschrift für Feuerwehreinsatzkräfte - Bekannt aus Panel Talk zu Gründen im BOS-Bereich
KfW-Logo, Kreditanstalt für Wiederaufbau – Förderbank des Bundes - Rescuevation wurde beim KFW Award gründen prämiert
  • Cost-effective

    Sandbags for flood protection require time, logistics, manpower, and power. Under EU legislation, sandbags must be disposed of as hazardous waste, which leads to costs of around €690 per linear meter of sandbags.

    We offer very low life cycle costs.

  • Fast

    The mobile Beaver flood protection systems are set up in a very short time, helping you stay ahead of rising water levels.

    They are so easy to use that even untrained helpers can assist.

  • Uneven surfaces

    Mobile Beaver tube dams provide efficient protection against flooding and heavy rain, even on uneven surfaces.

    Slopes of up to 10° can be handled.

Quickly ready for deployment

Mobile flood protection - fast

The BEAVER tube dam system is particularly fast in real incidents because it works with water against water and can be deployed on almost any surface without extensive preparation.

The dams can be stored compactly, deployed quickly with few personnel, and connected seamlessly into long lines using identical modules

– realistically around 100 meters per hour with 2 firefighters and 3–4 helpers, including filling

Modular dual-chamber system

Flexible expandability

BEAVER tube dams can be extended seamlessly and almost without limit using identical system elements.

This is made possible by the dual-chamber system with firmly connected, offset ends that interlock and transfer forces safely.

No loose connecting parts, ground anchors, or additional nets are needed; the modules are simply joined together and then filled.

This allows crews to scale the protection length to the situation within minutes – from short building protection sections to long line and levee sections

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Stable hold on uneven surfaces

Solid footing


Thanks to the water-filled dual-chamber system, the BEAVER tube dam lies flat and heavy on the ground – "water against water".

The offset, firmly connected ends interlock and transfer forces safely; additional anchors are generally not required.

The tube dam remains dimensionally stable even on uneven terrain, tolerates faster-flowing water and debris, and withstands undercutting considerably better than rigid systems.

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Land and property protection, reservoirs, firewater retention

Versatile areas of application

BEAVER tube dams not only secure long lines and levee raisings on a wide variety of surfaces during floods and high water, they are also suitable for acute heavy rain, burst pipes, temporarily impounding and calming water, and protecting critical infrastructure and urban areas.

Thanks to fast setup, modular extendability, and rugged construction, they are used worldwide by fire departments, civil protection, the military, and industry; they can also be used to retain and control (contaminated) firewater.

Flood protection stowed compactly

Easy storage

BEAVER tube dams can be rolled up compactly and require minimal storage space compared to sandbags.

While sandbags require large, permanent stockpiles, material resupply, and disposal logistics, tube dams are space-saving, quickly ready for transport, and stored without loose parts.

This reduces storage space, simplifies logistics, and increases operational readiness – especially when things have to move fast.

Beaver is waiting for you!

Many years of experience

Proven in practice

BEAVER tube dams have been used in real emergencies worldwide for years – by fire departments, civil protection, the military, industry, and critical infrastructure.

With over 150 km of system length in the field, EVH certification, and numerous documented deployments, they stand out for fast setup, high stability, and reliable performance under real conditions.

The result: less damage, safe procedures, and maximum operational reliability.

Sandbags are hazardous waste

Cost savings

Sandbags cause high disposal costs after use because they can be considered contaminated waste:

After contact with floodwater, mud, oil, sewage, or chemicals, the sand and casing can no longer be cleanly separated or reused and must be properly disposed of in accordance with EU regulations.

Replacing sandbags

More cost-effective than sandbags


Sandbags involve high overall effort: they are slow to set up and remove and require many personnel, logistics, and material – one linear meter of sandbags costs around €690 including disposal, with about 70% of that for disposal.

BEAVER tube dams are reusable and require no heavy equipment, less personnel, and almost no disposal – so their life cycle costs are considerably lower than those of sandbags.

We will calculate the savings with you!

Individual analysis

Protection at your site


We come to you, analyze hazards and surfaces directly on site, and recommend the right mobile flood protection solution – from line protection to building protection. On request with training, tactical recommendations, and a logistics concept, so you can act quickly and safely in an emergency. Hands-on consulting and training are an integral part of what we offer.

We are waiting for you!

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  • Beaver Type P30

    The flexible basic protection for driveways, rows of houses, and municipal settings: with a usable damming height of up to approx. 30 cm, the P30 reliably protects against flooding. Special ends ensure clean terminations at walls – for tight transitions without improvisation.

    • For private users and fire departments – proven many times over
    • Available lengths: 5 / 10 / 15 / 20 / 25 m
    • Scalable: extendable to approx. 45 cm damming height (with a third element)
    • Intuitive, fast, and rugged – “Made in Europe”

    Technical details

    • Ø damming elements: 30 cm
    • Usable damming height: up to approx. 30 cm
    • Extended damming height: up to approx. 45 cm (with a third element)
    • Element lengths: 5 / 10 / 15 / 20 / 25 m
    • Weight (empty, 10 m double): 22 kg
    • Weight (filled, 10 m double): 1,500 kg
    • Fill connection: 3/4" Gardena or Storz 55
    • Draining: garden hose
  • Beaver Type M50

    The all-rounder – safety made simple.
    Maximum flexibility, minimal setup time: our modular flood protection with a usable damming height of up to approx. 50 cm has proven itself thousands of times in real emergencies and reliably protects assets worth millions.

    • Immediately ready for use and intuitive to operate
    • Available lengths: 5 / 10 / 15 / 20 m
    • Scalable: extendable to approx. 80 cm damming height (with a third element)
    • Rugged, easy to service, and “Made in Europe”

    Technical details

    • Ø damming elements: 62 cm
    • Usable damming height: up to approx. 50 cm
    • Extended damming height: up to approx. 80 cm (with a third element)
    • Element lengths: 5 / 10 / 15 / 20 m
    • Weight (empty, 10 m double): 45 kg
    • Weight (filled, 10 m double): 7,000 kg
    • Fill connection: Storz 55
    • Draining: clamping plate
  • Beaver Type MXL 80

    Beaver Type MXL 80 – more height, safety made simple.
    For situations with higher water levels: the MXL 80 offers a usable damming height of up to approx. 80 cm – with the same flexible handling as the M50, but as a taller barrier. Ideal for fast, scalable flood protection and damage mitigation worth millions.

    • Intuitive, rugged, and quickly ready for use
    • Available lengths: 5 / 10 / 15 / 20 m
    • Scalable: extendable to approx. 125 cm damming height (with a third element)
    • “Made in Europe” – from the field, for the field

    Technical details

    • Ø damming elements: 94 cm
    • Usable damming height: up to approx. 80 cm
    • Extended damming height: up to approx. 125 cm (with a third element)
    • Element lengths: 5 / 10 / 15 / 20 m
    • Weight (empty, 10 m double): 70 kg
    • Weight (filled, 10 m double): 12,000 kg
    • Fill connection: Storz 55
    • Draining: clamping plate
  • Beaver Type H100

    For mobile levee raising on rivers and lakes: the H100 delivers a usable damming height of up to approx. 100 cm. Ideal for large retention zones and dynamic situations – intuitive, rugged, and quickly ready for use.

    • Scalable flood protection up to approx. 160 cm (with a third element)
    • Available lengths: 5 / 10 / 15 / 20 m
    • From the field, for the field – “Made in Europe”

    Technical details

    • Ø damming elements: 115 cm
    • Usable damming height: up to approx. 100 cm
    • Extended damming height: up to approx. 160 cm (with a third element)
    • Element lengths: 5 / 10 / 15 / 20 m
    • Weight (empty, 10 m double): 98 kg
    • Weight (filled, 10 m double): 15,000 kg
    • Fill connection: Storz 55
    • Draining: clamping plate
  • Beaver Type S130

    For exceptional events, when every reserve counts: the S130 reaches a usable damming height of up to approx. 130 cm. On site, the individual elements are joined into a double element with straps – for maximum stability at extreme water levels.

    • Scalable to approx. 190 cm damming height (with a third element)
    • Available lengths: 5 / 10 / 15 / 20 m
    • Reliable, flexible, “Made in Europe”

    Technical details

    • Ø damming elements: 140 cm
    • Usable damming height: up to approx. 130 cm
    • Extended damming height: up to approx. 190 cm (with a third element)
    • Element lengths: 5 / 10 / 15 / 20 m
    • Weight (empty, 10 m double): 80 kg
    • Weight (filled, 10 m double): 35,000 kg
    • Fill connection: Storz 55
    • Draining: clamping plate

How do mobile Beaver tube dams work?

How long does it take to set up a Beaver protective dam?

The setup time of the BEAVER tube dam depends on the type, tube diameter, total length, number of personnel, terrain, time of day, and available water volume. Blanket figures are therefore of limited value. Field experience shows, however, that depending on the situation, the BEAVER dam can be erected around 30–40 times faster than a comparable sandbag dam. One deployment example: in 2005 in Lucerne, 8 responders built a 320 m dam of type M50 in 1.5 hours.

Is the mobile Beaver dam system 100% watertight?

No mobile emergency flood protection system is completely watertight. Internationally, a leakage rate of 2–3 liters per minute per linear meter is accepted. In practice, the BEAVER tube dam is usually well below this, while sandbag dams generally exceed these guideline values.

Can a Beaver tube dam tip over or slide away?

Beaver protective dams have a wide footprint and offer extremely high stability. Based on our real-world experience under sometimes extreme conditions and on studies carried out, safety is ensured to a high degree in the applications known to us, provided the dam is used and set up correctly. The stability of a protective dam is influenced by the surface, the impact angle and velocity of the water, the lateral and longitudinal slope, and correct setup. In any case, we recommend factoring in freeboard and reserve damming height.

Sliding cannot be ruled out under certain circumstances. With a steep cross slope (lateral slope) over a length of several meters, the protective dam can start to slide. Slide resistance can be further reduced on long grass and grain stalks and on loose gravel. On snow and ice, slide resistance is not ensured. Sandbags placed on the land side of the Beaver dam increase slide resistance in case of doubt. This method is also recommended when a third tube has been added as an emergency measure.

Are changes of direction possible with the Beaver tube dam?

Changes of direction can be made at any point and in both directions, without the use of special elements. This almost unlimited adaptability in the terrain is unique

Can the damming height of mobile Beaver dams be increased?

Yes. By adding a third tube (single elements), the damming height can be increased by around 60% for all types. Raising the tube dam is an emergency measure that can be very valuable in certain circumstances. However, it must be taken into account that this reduces tipping and slide resistance.

The design damming height should NOT exceed the damming height of the double element. The third tube (single element) can be added as a very useful measure when the double element is at risk of being overtopped.

Why does the Beaver dam consist of two tube elements lying parallel to each other?

Due to water pressure, or simply on a cross slope, a single tube would roll away. With two tubes connected to each other, this is hardly possible. Two tubes offer greater safety than single-chamber systems. The two tubes are not needed for watertightness

How are Beaver tube dams stored?

For storage: keep BEAVER elements clean and dry inside and out, ready for use with closures fitted and closed. Dry storage at −30°C to +70°C. Maximum stacking height approx. 120–150 cm to avoid overloading fold creases through dead weight. For further details, see the “Handling, Maintenance, and Storage” leaflet.

Does the use of Beaver tube dams provide 100% safety?

No. No mobile emergency storm and flood protection system is 100% safe.

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