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BBA Agrément Certificate
Certificate type
A bentonite geotextile waterproofing system with integrated polyethylene liner.
Suitable for below-ground structural foundation surfaces. Typical cast-in-place concrete applications include:
Property line construction applications include soldier pile and lagging, steel sheet piling, secant/ contiguous piling, shotcrete and stabilized earth retention walls. Applications may include structures under continuous or intermittent hydrostatic pressure.
Suitable for cast-in-place concrete applications and do not cover shotcrete or precast concrete applications. Refer to VOLTEX DS® Product Manuals for additional property line shoring wall construction technique applications.
A waterproofing composite of high strength geotextiles and 4.8 kg/m² of sodium bentonite and an integrally bonded polyethylene liner.
The high swelling, low permeable sodium bentonite is encapsulated between the two geotextiles. A proprietary needle-punch process interlocks the geotextiles together forming a strong composite that maintains the equal coverage of bentonite, as well as protects it from inclement weather and construction related damage.
Once backfilled, VOLTEX DS® hydrates and forms a monolithic waterproofing membrane. VOLTEX DS® contains zero VOC and can be installed in almost any weather condition to green concrete.
Features and benefits:
Color | Grey Green White |
Material | Polyethylene |
Shape | Rectangle |
Length | 5000 mm Guidance for specification option: 1100 mm wide. 20000 mm Guidance for specification option: 2500 mm wide. 40000 mm Guidance for specification option: 5000 mm wide. |
Width | 1100 mm Guidance for specification option: 5000 mm long. 2500 mm Guidance for specification option: 20 000 mm long. 5000 mm Guidance for specification option: 40 000 mm long. |
Uniclass | |
CAWS | J40/285 Loose-laid bentonite damp-proofing/ tanking membranes |
Third party product certification | BBA Certificate. |
Weight | Bentonite: 4.8 kg/m² to EN 14196. |
Roll size | 1.1 x 5 m. Guidance for specification option: Standard roll, 37 kg, 35 rolls per pallet (176 m²). 2.5 x 20 m. Guidance for specification option: Roll. 5 x 40 m. Guidance for specification option: Roll. |
Accessories | Not required. BENTOSEAL®. VOLCLAY GRANULES®. CETSEAL. Seamtape. |
Swelling capability | Bentonite Free Swell: ≥24 mL/2g (nominal) to ASTM D 5890. |
FluidFlowLeakage | Bentonite Fluid Loss: 18 mL (maximum) to ASTM D 5891. |
Pressure | Hydrostatic Pressure Resistance: 70 m (nominal) to ASTM D 5385 (Mod). |
Adhesion to concrete | Peel adhesion: 2.6 kN/m (minimum) to ASTM D 903 (Mod). |
ThermalConductivity | Hydraulic conductivity: 1.0 x 10^–10 cm/s (nominal) to ASTM D 5084. |
TensileStrength | MD/ CD: 10.0 kN/m (nominal) to EN ISO 10319. |
Thickness: | 7.0 mm (typical) at 2 kPa to EN ISO 9863-1. |
Puncture resistance | 1.8 kN to EN ISO 12236. |
Flexibility at low temperature | Unaffected at -32°C to ASTM D 1970. |
Materials | Polyethylene, Bentonite. |