MasterSeal 707ST – A synthetic membrane of plasticised PVC

Formerly: Masterpren BG/ST

How does MasterSeal 707ST work?

MasterSeal 707ST is a synthetic membrane made of plasticised PVC manufactured by twin coloured (green/black) co-extrusion method to give visual indication when damage occurs, and has a structured surface.

What are MasterSeal 707ST typical applications?

MasterSeal 707ST can be applied in the following circumstances:

  • Below ground building structures
  • Tunnels
  • Water exclusion and protection of structures
  • Used in a vacuum system as a second waterproofing layer

What are MasterSeal 707ST main benefits?

MasterSeal 707ST advantages include the following:

  • Superior mechanical characteristics
  • High mechanical resistance and elasticity
  • Long life expectancy
  • Resistance to wash-out action
  • Resistance to root penetration
  • Resistance to bursting at high water pressure
  • Can be welded to MasterSeal 953 for vacuum and resin injection
  • Loose laid to act independently of structural movement
  • Dimpled finish to aid resin flow

Product information

Technical Data Sheet


Central Region
+966 11 2790971
Western Region
+966 12 6394799
+966 12 6395702
Eastern Region
+966 13 8084896
South Region
+966 17 2748255
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