Moisture Management Education

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. There is growing recognition that walls systems need to drain, and...