MasterSeal 930 / MasterSeal 933

Joint waterproofing bandage and epoxy resin adhesive, Regulation 31 Approved for use with potable water

What is MasterSeal 930/MasterSeal 933?

MasterSeal 930/MasterSeal 933 is a highly elastic pre- formed membrane for waterproofing over joints or cracks in water retaining structures, such as reservoirs and water towers, where a high degree of movement is expected in both vertical and horizontal applications. The material is suitable for use on a number of different substrates including concrete, brick, block and metals.
The system comprises of:
MasterSeal 930 membrane
MasterSeal 933 adhesive (2 parts)

What is MasterSeal 930/MasterSeal 933 used for?

MasterSeal 930/MasterSeal 933 is used to ensure continuity of waterproofing over joints or cracks in structures such as:

  • Water reservoirs
  • Water towers
  • Tunnels
  • Basements
  • Filter beds

What are the benefits of MasterSeal 930/MasterSeal 933?

  • 3 day return to service at ≥ 14°C
  • 10 day return to service at ≥ 7°C
  • Proven high performance system
  • Reg 31 approved for contact with potable water
  • Can be applied in damp conditions
  • Resistant to UV light, ozone and a wide range of chemicals
  • Suitable for horizontal and vertical joint/cracks
  • Low adhesive consumption
  • No solvent wipe required

Direct contact

Chris Gallivan

Product Manager

+44 7966123422


MasterSeal 930: Technical Data Sheet (December 2015): MasterSeal 930/933

pdf (159.92 Kb)


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