Green Roof Drainage Mat - EnkaDrain 3811 eastgate-enclosures They also help prevent it

They also help prevent it from falling off the edge of the broom

Stakes are included

high performance turf reinforcement mat (HP-TRM)

Recyclex TRM-V retains many of the same great properties of Recyclex TRM

000 and are 11 Gauge

Green Roof Drainage Mat - EnkaDrain 3811 eastgate-enclosures They also help prevent itEnkaDrain 3811R is a drainage composite mat used in foundation walls, retaining walls, beneath slabs, plaza decks, and green roofs. EnkaDrain 3811 is made of a drainage core of fused, entangled polypropylene filaments and a geocomposite fabric bonded to each side. It is used for drainage, protection, filtration, and hydrostatic pressure relief.