Back to systems

Hydroflex AD

HYDROFLEX AD membrane is an dual-function flexible, fibre-reinforced air-and-moisture barrier membrane and adhesive. The membrane is fluid-applied over approved substrates to provide a vapour permeable, weather-resistant barrier (WRB) or trowel-applied as the second membrane coat to adhere ADEX EPS-GD insulation boards.

  • Trowel-applied
  • Ready-mixed in the pail
  • Vapour Permeable (breathable)
  • Air and Moisture Barrier Component (primary function)
  • ADEX EPS-GD Insulation Board adhesive coat (secondary function)
  •  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 AD


Air & Moisture Barrier, Vapour Permeable

Air & Moisture Barrier, Vapour Retarder