RAB Associates

RAB SWS (Structural Waterproof Membrane)

RAB Structural Waterproofing Systems are designed to last the lifetime of the structure.  This is an essential requirement when waterproof membranes are being used in any of the structures most critical areas such as:

  • Basements
  • Inverted Roofs
  • Planters
  • Parking Decks
  • Green Roofs
  • Foundations
  • Water features
  • Plaza Decks
  • Suspended Slabs

The completed membrane accepts following trades such as:

  • Tarmac
  • Mastic asphalt
  • Paviors
  • Concrete
  • Anti-slip aggregates

Product Description: RAB SWS is a hot melt SBS Modified Distilled Bitumen Compound fused together with flexible compounds and inorganic fillers. It is reinforced with a high tensile sheet. When installed along with purpose designed Flashings and Expansion joints the completed system allows for a fully flexible waterproof tanking system for locations above or below ground level.

  • Fully bonded
  • One component
  • Low temperature flexibility
  • Never becomes brittle
  • Excellent crack bridging properties
  • No risk of “under membrane” water tracking
  • Accepts most “following” surface finishes including hot applied systems
  • Fast installation
  • Accomodates structural and shrinkage cracks

Full technical specification, design and installation service is available upon request.