HydroGap® Drainable Housewrap
HydroGap® Drainable Housewrap is the best performing drainable housewrap on the market. 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.
HydroGap - Will it Drain
Keep Your Wall Dry with HydroGap & Build Better
HydroGap Time to Drain vs Drainage Efficiency
Time to Drain HG vs Tyvek
Benjamin Obdyke HydroGap© and HydroFlash© Installation Video
What is a Tri-Laminate Housewrap
- Specifications
- Roll width: 5 ft
- Roll length: 100 ft
- Roll weight: 17 lbs
- Vapor permeance: 16 perms
- Drainage gap: 1 mm
- UV exposure rating: 120 days
- Warranty: 10 (product) or 15 (system) year limited
- Fire rating: Class A
- Features & Benefits
- 1 mm compression resistant spacers assures a continuous and efficient drainage gap
- Superior Strength and Water Holdout - tri-laminate substrate with water holdout layer sandwiched by two non-woven layers to protect it from damage during installation
- Vapor Permeable - 16 perms allows moisture to escape quickly before it damages the sidewall materials
- Seam Tape Not Required - saves time and labor costs by reducing need for taping
- Removes over 100X more bulk water from a wall versus standard housewraps
- Drains at least 2X faster than other drainable housewraps
- Recommended for all categories of cladding
- Omni -Directional Design - can be installed in any direction without affecting drainability
- 15 Year Product and Labor Warranty - Warranties performance not just manufacturing defects, up to $20,000 per dwelling
Installation Instructions
Buy Online
Additional Resources
Product Literature
Technical Support
- HydroGap Installation Instructions
- HydroGap Competitive Drainage Testing
- HydroGap CSI Specification
- Siding Manufacturers Require Drainage Behind Products
- HydroGap MSDS
- HydroGap ICC Evaluation Report
- HydroGap Compression Resistance Evaluation
- HydroGap Use Under Metal
- HydroGap Base of Wall CAD
- Wall Options with Rigid Foam CAD
- HydroGap Method 1 - Window Head CAD
- HydroGap Method 1 - Window Sill CAD
- HydroGap Method 2 - Window Head CAD
- Transition Detail from HydroGap to Slicker MAX CAD
- HydroGap and FlatWrap HP Use with Stucco CAD
- HydroGap Physical Properties
- Wall Options with Rigid Foam PDF
- HydroGap with EIFS PDF
- HydroGap Method 2 - Window Sill CAD
- HydroGap with EIFS CAD
- HydroGap with Liquid Applied WRB and EIFS PDF
- HydroGap with Rigid Foam PDF
