BGC HDPE GG / GP
BGC HDPE
Bentonite geocomposite with HDPE membrane
Bentonite geocomposite coupled with an HDPE membrane for the active waterproofing of underground and below-water-table structures. 5–10 cm overlaps.
CERTIFICATIONS AND STANDARDS
CE EN 13491
probar@probaritalia.com · +39 02 97130588
Features and benefits
FEATURES
- Self-sealing
- Water-swellable
- HDPE membrane
BENEFITS
- Active waterproofing even below the water table
Technical data
- Small (BGC HDPE GP)
- 1,2×5 m — ~27 kg
- Overlaps
- 5–10 cm
Data as declared in the Probar Italia 2026 catalogue. For complete and up-to-date values, the manufacturer’s data sheet prevails.
When to use BGC HDPE
Retaining wall in groundwaterTunnels and underground structures
Applications listed in the catalogue
FoundationsUnderground car parksCut-and-cover tunnelsWater reservoirsStructures below the water table
How it works
Double barrier: the high-density polyethylene (HDPE) sheet provides physical watertightness, while the bonded sodium bentonite hydrates and swells on contact with water, sealing points of discontinuity on its own. Overlaps 5–10 cm.
BGC GRIPBentonite membranes
BETOCRETE-CP350-CIConcrete admixtures
BETOCRETE-CL170-PConcrete admixtures
BETOCRETE-CL210-WPConcrete admixtures