Coir fiber logs are used for stream and wetland restoration. They consist of tightly bound cylinders of coir fibers (Coconut Fiber) held together by a coir fiber netting made from coir twine. They are generally available in 10 to 20 foot lengths and are 12 to 20 inches in diameter. They are excellent to use as a toe protection in areas of low velocity water flow. After installation, the coir fiber log become saturated with water and vegetation can be planted directly on the logs. Coir fiber logs are eco-friendly; they provide a natural appearance and decompose over a three to five year period by which time the plants establish their root into the bank helping to stabilize erosion.
Coir rolls are installed by making a shallow trench along the toe of the streambank. The coir rolls are placed in the trench so that the bottom and back are together with the streambank. They are secured at the toe of the slope using wooden stakes along both sides. Nylon or coir twine is used to secure the coir logs around the wooden stakes and the stakes are driven down firmly, securing the coir fiber roll to the streambed.