Installation Instructions General Installation Instructions for RoLanka products. Do it right the first time and protect our natural resources. Correct installation assures the success of every restoration project. Blankets on slopes Blankets on channels Blankets and logs on streambanks Coir block system installation Coir roll (log) installation Coir super roll installation Coir super log installation Coir wattles on slopes Coir wattles for curb inlet protection Coir wattles as check dams Coir wattles in circular drainage structures Coir wattles in construction entrances Coir weed mat Coir pillow SiltCheck as check dams RoLanka Has Been serving Soil Erosion And Sediment Control Industry With Pride Since 1993!