HydroGap® SA is the first and only self-adhered WRB (weather-resistive barrier) to incorporate a true drainage space.

The 1mm spacer technology combined with a fully-continuous breathable acrylic adhesive provides an unmatched air and moisture barrier.

  • 100% continuous acrylic adhesive technology provides true sealing around every fastener and penetration point
  • 1mm spacers create a true drainage space with 96% drainage efficiency and removes water 2x faster than flat housewraps
  • Full line of flashing accessories available to complete the system and achieve warranty coverage for 20 years
  • Adheres to CDX, plywood, and CMU without the use of a primer above 25 degrees Fahrenheit
hydrogap housewrap