Patent ID: 9347222
Filing Date: 2016-05-24
CPC Classification: E04B,E04D,E04H

Claim Text:
1. A roof assembly for a modular building unit, comprising: a first long rail having a top wall, an exterior wall, and an interior wall; a second long rail parallel to said first long rail and having a top wall, an exterior wall, and an interior wall; a first short rail extending between said first and second long rails and having a top wall, an exterior wall, and an interior wall; a second short rail extending between said first and second long rails and having a top wall and an exterior wall, wherein said first and second long rails and said first and second short rails are joined to form a rectangular exterior roof frame of a modular building unit; and a roofing sheet; wherein said roofing sheet is joined to said first short rail at a first elevation below said top wall of said first short rail, said roofing sheet is joined to each of said first and second long rails at a point below said top wall of each of said first and second long rails and extending in a downward slope from said first elevation, and said roofing sheet is joined to said top wall of said second short rail at a lowest elevation of said roofing sheet; and wherein said roofing sheet is joined to said first short rail, each of said first and second long rails, and said top wall of said second short rail by a continuous weld.