Verified by manufacturer 3 months ago
Bentonite waterproofing membrane.
Suitable for use as a waterproofing and damp-proofing membrane for Type A basement constructions, up to grade 3 as defined in table 1 of BS 8102:2009. It provides a vapour and waterproof membrane in the construction of sub-structures providing protection against hydrostatic water pressure.
The membrane is not designed for above-ground waterproofing applications; the membrane is for use under 150 mm engineered structural concrete slabs. The membrane should not be applied directly to masonry substrates.
A waterproofing membrane consisting of two polypropylene geotextiles, a lower woven fabric and upper non-woven fabric, encapsulating powdered sodium bentonite at a minimum weight of 4.95 kg/m².
The outer layer of the non-woven geotextile is impregnated with an additional layer of bentonite. The two geotextiles are mechanically joined by a needle punching process, pushing the fibres of the upper nonwoven geotextile through the bentonite layer and securing them in the retaining lower woven layer. This process links the geotextiles and contains and confines the bentonite. The membrane will swell on contact with moisture and ensures a watertight seal is achieved in service.
Features and benefits:
1200 x 4500 mm
1200 x 5000 mm
J10/120 Cement: sand mortar with proprietary waterproof admixture
J40/285 Loose-laid bentonite damp-proofing/ tanking membranes
J44/120 Geosynthetic clay lining (GCL)
Third party product certification
BDA Agrement BAB 17-061/01/A.
4.9 kg/m² (bentonite, to EN 1849- 2:2009).
A hydrophilic expanding bentonite water stop used in construction joints to produce a watertight joint.
A trowel grade sodium bentonite compound to be used as detailing mastic around surface penetrations and corner junctions.
7 mm (to EN 1849-2:2009).
24 ml/2 g (to ASTM D5890).
>20 kN/m (to ASTM D4073).
>179 N (50mm)^-1 (peel, to M.O.A.T.64:2001).
1414 N (to EN 1849-2:2009).
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