ROOTBLOC™ 20 is a polyethylene composite geo-membrane specially designed as a barrier against root penetration in vegetative roof assemblies. Product is folded and rolled onto heavy-duty cores for ease in handling and installation. Laps of ROOTBLOC™ 20 are over-lapped 24 inches and sealed with ½ in bead of Henry HE925 BES Sealant.  ROOTBLOC™ 20 is used as a roof barrier in Vegetative Roof Assemblies and waterproofing applications to protect the underlying waterproofing membrane from aggressive root systems.

Features

• Non-Toxic 15mil physical barrier to root penetration of underlying waterproofing membrane
• Does not contain herbicides or pesticides
• Durable and flexible
• Non-biodegradable