Put in the Coir Matting within the trench. Spot at least 12 inches on the roll over the trench (even more up the slope). Room each staple about a foot aside In the trench Coir Matting is made out of rigid coconut fibers certain together in a thick vinyl backing. https://kylerydeac.fitnell.com/75070636/fascination-about-coir-door-mat