each specific element includes all technical equivalents that operate in a similar manner to accomplish a similar purpose with reference first to fig1 device 10 generally comprises elongated solid rectangular portion 20 raised molded portion 30 and flange portion 40 more specifically molded portion 30 extends generally from top side 22 of rectangular portion 20 molded portion 30 preferably comprises raised flat portion 32 separated from top side 22 of rectangular portion 20 by angled stepped portion 35 wherein angled stepped portion 35 generally comprises first step 34 and second step 38 separated by middle arcuate section 36 this type and shape of molding is commonly known as brickmolding extending from bottom side 26 of rectangular portion 20 in the same direction as and parallel with top side 22 is flange 40 bottom surface 44 of flange 40 is preferably inline with bottom side 26 of rectangular portion 20 flange 40 preferably extends beyond molded portion 30 and serves as both a nailing flange or fin for installing the fenestration such as a window or door and as flashing to prevent the infiltration of water the thickness of flange 40 is less than the thickness of rectangular portion 20 thereby forming channel 90 between flange 40 and molded portion 30 for receiving any of a variety of sidings including but not limited to vinyl and wood raised step portion 84 is formed partially along top surface 42.