Waterproofing composite of sodium bentonite / butyl compound, integrally bonded to a HDPE geomembrane liner




SWELLTITE is a composite waterproofing membrane consisting of sodium bentonite / butyl compound integrally bonded to a HDPE geomembrane liner. This composition combines the active waterproofing benefits of sodium bentonite with the strength and puncture resistance of a cross-linked geomembrane liner.



  • Below-ground vertical and horizontal structural foundation surfaces including backfilled concrete walls, masonry block walls, earth-covered roofs and tunnels
  • Above ground split-slab construction applications, including podium / plaza decks, parking decks and balconies
  • Applications include structures under continuous or intermittent hydrostatic pressure

Technical Data
Product Sheet

Product Manual




Composite Bentonite Waterproofing System


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