WrapShield RS Rain Screen with built-in rain screen drainage matrix is a mechanically attached high performance Water Resistive Barrier (WRB) and Air Barrier (AB) membrane with integrated tape at the horizontal seams. The built-in drainage matrix creates a cavity for wall cladding systems such as wood siding, metal siding, masonry veneers, stucco, Mechanically Attached EIFS and veneer stone facades.