Vigoro heavy-duty drainage trench wrap is the perfect solution for prolonging the life of any below grade perforated drainage system. Trench wrap works by creating a physical barrier, separating fill gravel and surrounding soil, while allowing water to pass through all layers of the system and into the drainage pipe. This versatile product can be used in all types of drainage systems with various types of drainage pipes. Water permeable nonwoven, spunbound, fabric Prolongs the life of...