Patent ID: 8387337

Claim:
A method of waterproofing and flashing a vertical juncture of a roof having an interior portion with a roof substrate for attaching a membrane and a perimeter, wherein the vertical juncture includes walls above the level of the roof, or walls below the level of the roof, or a penetration curb, including the steps of: providing a membrane; installing the membrane over the interior portion of the roof; folding the membrane at the vertical juncture, whereby the membrane from the roof is folded back and onto an upper surface of the membrane providing a folded portion of the membrane with the upper surface of the membrane in contact with the folded portion of the membrane, and an excess portion of the membrane extending from the folded portion; securing the folded portion of the membrane to either the roof or the vertical juncture; folding the excess portion of the membrane in such a manner as to cover a section of a roof seam, a juncture, or an edge and the folded portion of the membrane that is secured to the roof or the vertical juncture; folding the excess portion of the membrane in a next step to seal in an envelope of membrane where the membrane has been previously secured to either the roof or the vertical juncture; and terminating the excess portion of the membrane to either the roof or the vertical juncture.