Products / Hydrotech Hydroflex RB II

Hydroflex RB II is a heavy-duty, polyester-reinforced rubberized asphalt root barrier sheet with a factory-applied root growth regulator and granule surfacing, embedded into MM6125-FR roofing membrane in Hydrotech Garden Roof assemblies to protect the membrane from mechanical damage and root penetration. It is 160 mil thick and comes in 39.4 inch by 33 foot rolls (96 lb) covering 100 square feet with a 3 inch lap. The data sheet limits exposure to 9 months and reports tensile, elongation and tear values by ASTM D5147.