Disclosed herein is A method for terminating an edge of a roof waterproofing membrane, the method including covering a building roof with at least one first waterproofing membrane, aligning at least one stiff member along a perimeter of the building roof, covering the at least one stiff member within a second waterproofing membrane, sealing the second waterproofing membrane to the first waterproofing membrane, thereby encapsulating the stiff member, and attaching the stiff member to the structure of the building.