J-Barrier

J-Barrier is the root barrier component in all of J-Drains green roof drainage systems. It is a sheet of 20mil (.51mm) 100% post-industrial polystyrene regrind. Root barriers are essential in all green roofs because they ensure the structural integrity of the waterproofing system and the integrity of the structure itself. Applications include green roofs, planters, and other green house needs.

Dimensions

100"x4"