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Alderprufe GRA Gas membrane is a loose laid 20 micron pure aluminium foil substrate with a multi-filament polypropylene tensile grid extruded between two layers of polyethylene, with high resistance to ground contaminants.
For use in solid concrete ground floors that are not subject to hydrostatic pressure, to protect buildings against gas penetration from the ground.
Alderprufe GRA Gas membrane is a loose laid 20 micron pure aluminium foil substrate with a multi-filament polypropylene tensile grid extruded between two layers of polyethylene, with high resistance to ground contaminants.
For use in solid concrete ground floors that are not subject to hydrostatic pressure, to protect buildings against gas penetration from the ground.
