​MasterSeal 725HC - SBS self-adhesive bitumen waterproofing membrane for hot climate application

What is MasterSeal 725HC?

MasterSeal 725HC is a high quality selfadhesive SBS modified waterproofing sheet membrane reinforced with rot proof reinforcement to enhance the dimensional stability. The self-adhesive bottom surface is laminated with Siliconized release foil or paper and the top surface of the membrane is laminated with a cross laminated special multilayer polymeric foil. It is used for a variety of waterproofing and damp proofing applications where the requirements are rigorous.

The MasterSeal 725HC range belongs to the MasterSeal group of membranes produced using a special grade of bitumen modified with virgin SBS polymer. The polymer-rich mixture is used to saturate and to coat both sides of reinforcement mat.

What is MasterSeal 725HC used for?

  • Flashings to pitched roofs
  • As a vapour barrier in both conventional and deck roof systems.
  • Robust and ideal waterproofing and damp proofing membrane specially designed for concrete protection.
  • Applied as a damp-proof course for tanking below ground structures, foundations, subways and retaining walls.
  • Used directly on thermal insulation boards
  • Substructure waterproofing to foundations, footings, retaining walls, bridges, tunnels, manholes, etc.
  • Under roof shingles in pitched roofs tiles in balconies, terraces, etc.

What are the benefits of MasterSeal 725HC?

  • Used as a waterproofing membrane and vapor barrier
  • Excellent bonding to vertical and horizontal surfaces
  • Improved heat stability
  • Good flexibility at low temperatures
  • Excellent resistance to weather, and Ultra violet radiation
  • Simple application without the need for additional tools.
  • Quick and easy installation.


MasterSeal 725HC Roofing and Podium Application_MS

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MasterSeal 725HC_TDS

pdf (543.88 Kb)

MasterSeal 730PA and MasterSeal 725HC_MS

pdf (4.20 Mb)