HydroGap® SA is the first and only self-adhered WRB 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
4.75 ft (1.45m)
Length Per Roll
Max UV Exposure
15 years (product) or 20 years (system)
Testing & Certifications
Tips for Installing HydroGap® SA
HydroGap SA combines the water-shedding benefits of a drainable housewrap with the air-sealing benefits of an adhesive. Here is a brief overview of the installation process, including strategies to consider to ensure you get the most out of this innovative new product.