High strength, gas venting geocomposites.
High strength, preformed geocomposites with a cuspated core hot welded to a geotextile filter designed to remove harmful gases from beneath gas membrane systems.
J40/295 Geocomposite studded cavity drainage/ venting membrane
J40/47 High density polyethylene/ polypropylene studded cavity drain membrane
GGM Gasvoid FF
For full footprint venting. Membrane selvedge to one side forms laps.
GGM Gasvoid PF
For partial gas venting.
Standard product features