HydroGap drains moisture from wall assemblies at least two times faster and removes 100 times more bulk water than standard housewrap. The product combines a water-resistant barrier and drainage system into one application. It comprises a tri-laminate substrate, with the moisture barrier protected between two non-woven layers. This composition creates a product with superior strength and water hold out vs. competitive products. The patent-pending spacer design on the housewrap surface creates a 1 mm gap between the structure’s sheathing and cladding materials. The design also allows for the housewrap to be installed in any direction while maintaining its positive drainage capability.