MasterSeal HLM 5000 is a one-component, moisture-curing, bitumen-modified polyurethane elastomeric waterproofing membrane for exterior below-grade or between-slab applications. it is available in four grades: Self-Levelling, Trowel, Spray and Roller.

Product Highlights

  • Available in standard and high-build systems

  • Waterproofing membrane to prevent water penetration

  • Elastomeric accommodates expansion and contraction

  • Wide service-temperature range, making MasterSeal HLM 5000 suitable for all climates

  • Chemical resistance to bacterial attack, select acids, alkalis and salts

  • Seamless cold-applied membrane eliminates lapping, seaming and precutting

  • Does not require hot-melt equipment 



  • Concrete

  • Plywood (exterior)

  • Above grade (between two-course concrete and within cavity walls)

  • Parking garages and concrete tanks

  • Plaza decks and malls

  • Fountains and pools

  • Balconies and planters

  • Below-grade slabs

  • Walls and culverts

  • Sea walls, dams and reservoirs