The protection of a waterway

An intervention on water courses with Viresco® Sator

Also for watercourse bank protection, Virens pre-seeded products guarantee top performance. In this case history, the various stages of erosion control and grassing are documented.

Virens applications

In the first photo we can see the biodegradable fabric Viresco® Sator that has just been laid, in the second photo we see the result after about one month, and in the third photo, we see the result after about 2 months in autumn.

Particularly interesting is the fourth photo, which shows the comparison between the banks treated with the Viresco® Sator pre-seeded biofabric and the neighbouring banks treated with more traditional solutions, which unfortunately still involve the use of plastic materials not for erosion control purposes, but aimed solely at selecting the existing vegetation. This contrasts with biodiversity, environmental friendliness and protective effectiveness.

Viresco® Sator is a totally biodegradable product which therefore cannot boast high mechanical resistance and should therefore only be used above water level.

Therefore, erosion protection is exercised against runoff and rain washout, but it is reinforced by the inserted vegetation, which becomes the long-lasting anti-erosion tool.

For situations where bank protection is also desired in submerged areas or even on the river bed, Virmat or RecsViresco, anti-erosive products with high durability and resistance to water flow velocities, can be useful.

It should always be borne in mind that anti-erosion and bank-covering systems offer much higher protection when combined with vegetation, and therefore the solution offered by Virens pre-seeding is particularly useful. There is now incontrovertible data showing that biomats, geomats or geocomposites are more resistant to drag stresses during flood events if they are combined with a vegetated surface.

Virens

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