Patent ID: 8033056
Filing Date: 2011-10-11
Classification: E06B

Abstract:
1. A doorway separating inside from outside and comprising: spaced vertically extending side jambs having top ends and bottom ends; a head jamb extending between the top ends of the side jambs; a sill having a generally hollow interior and extending between the bottom ends of the side jambs; the sill having a threshold portion defining a floor; the side jambs, head jamb, and sill forming a frame; at least one door panel closably mounted in the frame and, when closed, overlying the floor of the threshold portion of the sill; at least one weep hole in the sill communicating between the hollow interior of the sill and the outside; a drain insert extending through the threshold portion of the sill into the interior of the sill, the drain insert defining at least one drain passage communicating with the interior of the sill and at least one vent space communicating with the interior of the sill, the at least one vent space being separated from the at least one drain passage to isolate the at least one vent space and the at least one drain passage from each other; the drain insert having a top cover spaced above the floor of the sill and defining at least one drain entrance below the top cover and above the floor of the threshold portion of the sill; the at least one drain entrance communicating with the at least one drain passage; and at least one vent hole formed in the top cover of the drain insert and communicating with the at least one vent space, the at least one vent hole being spaced higher than the at least one drain entrance.