B&L Leakproof Dampseal

B&L Leakproof Dampseal Moisture Barrier is a 2-part water based epoxy negative pressure membrane, designed to combine excellent adhesion and toughness as a water and vapour proof coating under waterproofing membranes and/or adhesives.

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Recommended Uses

  •  Used as a base waterproofing system prior to the application of waterproofing membranes or adhesives where a water and vapour transmission barrier is required
  • Under timber floors
  • Negative pressure membrane
  • Chemical resistant coating
  • Suitable for use in conjunction with other coatings – examples- decorative paints, protective coatings, tiling adhesives and other floor preparation products
  • Retaining walls, planter boxes, lift wells, concrete tanks, basements, tanks, reservoirs, aqua ducts, underground car parks etc

Features And Benefits

  • Australian Made
  • Solvent Free
  • Convenient mixing ratio 1:1 by volume
  • Conforms to ASTM E96 for water vapour transmission
  • Easy to apply and clean up with water
  • Conforms to AS 4020:2005 “Products for use in contact with drinking water”
  • Withstands hydrostatic head of water pressure up to 25 metres or 250 kPa
  • Excellent adhesion to building substrates including concrete, fibre cement, stone and masonry

Available Colours 

  • Grey

Technical Data Sheet

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Safety Data Sheet

BL Leakproof Dampseal Part A

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BL Leakproof Dampseal Part B

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