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Benjamin Obdyke Hydro Gap®

Hydro Gap Drainable Housewrap™ is the newest moisture management product from Benjamin Obdyke. This product allows construction professionals to Build Better™ by effectively eliminating excess moisture, thereby preventing the damaging effects of mold and rot. Its patent-pending one millimeter spacers allow at least 100X more bulk water to drain from a wall versus standard housewraps.


  • Allows moisture to escape quickly before it damages the sidewall materials.
  • Protects the wall assembly from the deteriorating effects of mold and rot.
  • Low-profile spacer allows for efficient drainage without installation or design changes.
  • Saves time and labor costs by reducing need for taping and cap-fasteners.
  • Drains at least 2X faster than other drainable housewraps


  • Patent-pending 1mm spacers create a true drainage gap.
  • Removes over 100X more bulk water from a wall versus standard housewraps.
  • Drains at least 2X faster than other drainable housewraps.
  • Tri-laminate, nonwoven housewrap provides superior strength and water hold-out.
  • Performs optimally under fiber cement, wood, vinyl, 3-coat stucco, stone veneer/manufactured stone, metal sidings.
  • Can be installed in any direction without affecting drainability.

Additional Information:

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