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Volclay Granules are chemically treated granular sodium bentonite used as a detailing accessory product for Voltex Waterproofing Systems. When wetted Volclay Granules form a dense, low permeable material that combines with the sodium bentonite in the Volclay System products, to form a seamless waterproofing membrane.
Applications : Volclay Granules are used to fill cavities and voids in the substrate prior to installing the main bentonite waterproofing course. It is also used to seal around slab penetrations to form a continuous waterproofing system. A fillet of Volclay Granules can be poured at the footing/wall junction to provide additional waterproofing protection. A 3 mm thick layer of Volclay Granules is also applied to the top of tunnels and earth-covered roofs prior to the main Voltex Waterproofing material course. Volclay Granules are not an expansion joint sealant.
Supplied in 20kg bag.