Patent ID: 9238937
Filing Date: 2016-01-19
CPC Classification: E06B

Claim Text:
1. A support frame for a window frame, the support frame comprising: four sections of flashing connected to each other at right angles to form a rectangular support frame each said section of flashing including: a window frame support plate having a window frame side and building framework side, a first longitudinal wall extending from the window frame side of the support plate, a second longitudinal wall extending from the building framework side thereof for reception between layers of a wall of the building and one or more longitudinal stiffening enclosed box sections continuous with said plate for imparting rigidity thereto, wherein two of the sections comprise sill and header flashings spaced apart at either end by the remaining two sections, which comprise jamb flashings; and separate joiners connecting adjacent ends of said four sections, each joiner including one or more pairs of biscuit portions with each biscuit of a pair being dimensioned to be received into the enclosed box section of a respective flashing, each joiner including a cover which covers the otherwise visible join line formed when two said sections are joined at right angles, a first slotted member for receiving an end of the first wall of the flashing, and a second slotted member for receiving an end of the second wall of the flashing; wherein, in use the first longitudinal wall presents a barrier to the progress of moisture.