Abstract: A door sill assembly comprises a sill threshold defining an upper step portion and a lower step portion. A sweep is connected to a bottom of a door slab of a door, the sweep comprising deflectors projecting downwardly from the door slab. An outermost deflector is vertically aligned with and spaced apart from the lower step portion when the door is closed to form a pressure-equalized zone open to the exterior. A second deflector is vertically aligned and in contact with the upper step portion when the door is closed. A seal is positioned interiorly relative to the deflectors and is vertically aligned with the upper step portion to form a sealed zone with the second one of the deflectors and the upper portion when the door is closed.

Abstract: A door sill assembly comprises a sill threshold defining an upper step portion and a lower step portion. A sweep is connected to a bottom of a door slab of a door, the sweep comprising deflectors projecting downwardly from the door slab. An outermost deflector is vertically aligned with and spaced apart from the lower step portion when the door is closed to form a pressure-equalized zone open to the exterior. A second deflector is vertically aligned and in contact with the upper step portion when the door is closed. A seal is positioned interiorly relative to the deflectors and is vertically aligned with the upper step portion to form a sealed zone with the second one of the deflectors and the upper portion when the door is closed.