MasterSeal 941 - PVC Waterstop for Compartmentalisation

Formerly Masterflex W4


MasterSeal 941 is a compartmentalisation waterstop extruded from high grade PVC compound, compatible with the MasterPren® PVC geo-membranes.

Where is MasterSeal 941 applied?

MasterSeal 941 is designed to provide a complete sealing network for compartmentalisation in water retaining and water excluding in-situ concrete structures, when used in conjunction with MasterPren PVC geo-membranes. The profile is supplied in straight lengths to be joined by welding on site. 

The use of MasterSeal 941 prevents the passage of water into adjacent compartments in case of leakage.

What are the advantages of MasterSeal 941?

  • Simple on-site welding
  • Acts as a stop-end for injection grout when used at location of construction joints
  • Controls and retains leakage at specific locations

Product Information

Technical Data Sheet

Info & price request

Midrand: +27112032405 Westonaria: +27117541343
Coastal Regions: +27112032405


MasterSeal 941 TDS

pdf (79,65 Kb)
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