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UtilityArmaflor™ Fibre-Rolls/Coir Logs are roller-shaped construction and bioengineering elements used for various bank stabilization techniques along lake shores, on streams and in coastal salt marshes. They are strong, yet flexible and easy to use. Their modular design aids in cost effective shipping and installation. Armaflor™ Fibre-Rolls/Coir Logs typically are meant to be planted. As plants mature their root-mass replaces the gradual loss of the biologically degrading Fibre filling. The resulting embankments are secure and indistinguishable from natural embankments. Plants must be selected according to site specific environmental conditions.Streams, lakes and salt marshes require different plants. Plant roots filter fines from the water column. They also securely anchor Armaflor™ Fibre-Rolls/Coir Logs to the substrate. Unplanted Fibre-Rolls/Coir Logs are used as breakwater structures.
QualityArmaflor™ Fibre-Rolls/Coir Logs have been inspected prior to delivery assuring our customers that stringent material and quality requirements have been met. The fillingArmaflor™ Fibre-Rolls/Coir Logs are made of tough natural coir Fibres (coir = processed coconut husk Fibres), tightly stuffed into netting. BGS Armaflor™ Fibre-Rolls/Coir Logs are stuffed to a density of approx. 6-10 kg/m (low or high density type) or 7-9 pounds per cubic foot. At that density Armaflor™ Fibre-Rolls/Coir Logs can no longer be compressed, unless they were exposed to hydraulic pressure. An average person standing on a Armaflor™ Fibre-Rolls/Coir Logs should hardly make a dent. It is the high density filling which marks the quality of all Armaflor™ Fibre-Rolls/Coir Logs. The high density is important for the lifetime of the product and for the filter-effect, which is one of the main reason to use a Fibre Roll/Coir Log. The low density type is for low mechanical strength upon request available.
The nettingThe filling is encased by an envir- onmentally inert PP netting. PP is resistant to damage by light, frost and chemicals. Our special netting has been woven in one piece. It's a special knotless, rombic mesh type for high mechanical applications. Our netting is strong enough to allow Armaflor™ Fibre-Rolls/Coir Logs to be handled by hooks attached to power equipment. For projects where no synthetic netting is allowed or where the lifetime of the product is of no interest, we also supply nets made of natural coir Fibres. Natural netting lifetime is limited to approx. 12-18 months after installation! InstallationAs indicated in the margins various Armaflor™ Fibre-Rolls/Coir Logs applications may require different installation procedures. Armaflor™ Fibre-Rolls/Coir Logs are typically installed with the aid of wooden stakes. Size of stakes: approx. 1m long, diameter approx. 6-8cm, US-standard: 36-58 inches long, diameter: approx. 2,5-3 inches.
The plantsPlanting of Armaflor™ Fibre-Rolls/Coir Logs is easy and fast using our MP5 Armaflor™ VegPlugs . These plants have been grown in our special planting substrate, which enables them to lock into the planting holes upon planting time immediately. There is no danger of soil washing out. Limitations Armaflor™ Fibre-Rolls/Coir Logs extend the use of vegetation for erosion control along shores and streambanks. However many sites are unsuitable for the use of Armaflor™ Fibre-Rolls/Coir Logs due to their inability to support plant life. Excessive stream flow velocity, ongoing disturbance, deep shade, water chemistry or high wave energy are examples of such growth limiting factors.
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