20-Mil HDPE Root Barrier
Terra-BARRIER™ RB-20 is a 20-mil, high-density polyethylene (HDPE) sheet that effectively arrests root penetration and redirect roots to a horizontal growth plane.
Terra-BARRIER™ RB-20 is a 20-mil, high-density polyethylene (HDPE) sheet designed to effectively arrest root penetration and redirect roots to a horizontal growth plane. This process helps lock in vegetation, preventing root damage to the waterproofing membrane and preventing root intrusion into green roof and planter applications, while simultaneously increasing resistance to wind uplift forces.
USES:
-
Green roofs
-
Landscaping
-
Commercial planters
-
Retaining walls
APPLICATION GUIDELINES:
All laps should be a minimum of 12 inches. Turn up a minimum of 4 inches above finish elevation line at perimeters and projections and temporarily tape to the walls. Tape all seams with Barrett Ram RB 25 Seam Tape. Repair punctures and any other damages before installing a drainage mat.