A drainable housewrap, like HydroGap, incorporates both a water-resistive layer and a drainage gap, greatly facilitating water drainage from behind the exterior siding. Unlike typical housewraps, which provide only a water-resistive layer and can trap water behind siding, drainable housewraps provide a continuous drainage gap that allows water to quickly escape from the wall system, protecting the building enclosure.
HydroGap Drainable Housewrap Samples
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There is growing recognition that walls systems need to drain. Housewraps will increasingly be judged by how effectively they drain bulk water from the wall.
HydroGap Drainable Housewrap provides a much higher and more constant drain rate than standard housewraps. Compared to standard housewraps, HydroGap is 100 times more effective at removing bulk water from the wall.