Protection for slopes over 15°.The vertical lifeline is a cable on which runs a self-blocking slide.The user hangs his harness on the fall absorber of the slide. The slide blocks in the event of vertical movement downwards and stop the user fall.Standard : EN 353-1 et -2We have developed different vertical lifelines for specific uses.SECURIFIL® verticale for concrete walls and tube.SECURIFIL® éolienne for windmill mats.