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Hydroflex WO-J

HYDROFLEX WO-J membrane is a flexible, fluid-applied joint treatment compound.
HYDROFLEX WO-J membrane is installed with ADEX reinforcing mesh for treating sheathing joints as part of the ADEX HYDROFLEX weather resistant barrier (WRB) membrane.

  • Ready-mixed in the pail
  • Installed with ADEX UNITAPE or A-FLEX MESH reinforcing mesh
  • Vapour Permeable (breathable)
  • Air and Moisture Barrier Component
  • Suitable above-grade substrates:
    • Plywood,
    • OSB (oriented strand board),
    • Exterior grade gypsum board,
    • Glass-mat faced gypsum board,
    • Concrete or masonry walls.

Files to download

Technical sheet


Hydroflex WO-J


Air & Moisture Barrier, Vapour Permeable

Air & Moisture Barrier, Vapour Retarder