Disclosed is a roof assembly for a modular building unit that comprises a roofing sheet that is welded to the frame of the modular building unit to form a unitary, continuous sealed weld between the roofing sheet and the generally horizontal structural frame of the modular building unit, and that is
Disclosed is a roof assembly for a modular building unit that comprises a roofing sheet that is welded to the frame of the modular building unit to form a unitary, continuous sealed weld between the roofing sheet and the generally horizontal structural frame of the modular building unit, and that is pitched to downwardly direct water toward one end of the modular building unit. The welded roof assembly prevents water infiltration into the modular building unit, and such watertight structure may then receive any gutter configuration the user wishes to implement without risking water infiltration into the building unit. The welded roofing sheet avoids the use of screws or other fasteners, and the associated possibility of water leakage around the screws and into the building unit. The welded roof also is able to employ a single slope all of the way through the full span of the roof, thus avoiding the need for a centrally pitched roof assembly, and its unitary construction avoids the tiling effect that results from the use of multiple, overlapping roofing sheets. The welded roof also avoids the need for silicon or other filler agents between the unitary roofing sheet and the frame of the modular building unit.
대표청구항▼
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 an
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; anda 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; andwherein 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. 2. The roof assembly of claim 1, wherein said exterior wall of said second short rail further comprises a planar outer face forming a portion of an exterior facing wall of a modular building unit. 3. The roof assembly of claim 2, further comprising a gutter removably attached to said planar outer face of said second short rail. 4. The roof assembly of claim 2, further comprising a downwardly and outwardly angled water deflector removably attached to said planar outer face of said second short rail. 5. The roof assembly of claim 1, said first short rail further comprising a mounting bracket having a horizontal support surface, and wherein said roofing sheet is welded to said horizontal support surface at said first elevation. 6. The roof assembly of claim 1, said roofing sheet having two long edges extending parallel to said first and second long rails and two short edges extending parallel to said first and second short rails, wherein each of said first and second long rails further comprise a mounting bracket having a downwardly angled support surface, and wherein said long edges of said roofing sheet are welded to each of said downwardly angled support surfaces. 7. The roof assembly of claim 1, further comprising a plurality of purlins extending between said first and second long rails. 8. The roof assembly of claim 7, wherein said purlins are positioned at progressively lower elevations along a length of each of said first and second long rails. 9. The roof assembly of claim 8, wherein said roofing sheet is welded to said plurality of purlins. 10. The roof assembly of claim 1, said roofing sheet further comprising a plurality of ribs extending along a longest length dimension of said roofing sheet. 11. The roof assembly of claim 10, wherein said ribs are configured to direct water to said top surface of said second short rail. 12. A method of forming a roof assembly for a modular building unit, comprising the steps of: providing a roof frame 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; anda 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;joining a roofing sheet to said first short rail at a first elevation below said top wall of said first short rail;joining said roofing sheet 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; andjoining said roofing sheet to said top wall of said second short rail at a lowest elevation of said roofing sheet;wherein said steps of joining said roofing sheet to said first short rail, each of said first and second long rails, and said top wall of said second short rail is performed by making a continuous weld. 13. The method of claim 12, wherein said exterior wall of said second short rail further comprises a planar outer face forming a portion of an exterior facing wall of a modular building unit. 14. The method of claim 13, further comprising the step of removably attaching a gutter to said planar outer face of said second short rail. 15. The method of claim 13, further comprising the step of removably attaching a downwardly and outwardly angled water deflector to said planar outer face of said second short rail. 16. The method of claim 12, said first short rail further comprising a mounting bracket having a horizontal support surface, and wherein said step of joining said roofing sheet to said first short rail further comprising welding said roofing sheet to said horizontal support surface at said first elevation. 17. The method of claim 12, said roofing sheet having two long edges extending parallel to said first and second long rails and two short edges extending parallel to said first and second short rails, wherein each of said first and second long rails further comprise a mounting bracket having a downwardly angled support surface, and wherein said step of joining said roofing sheet to each of said first and second long rails further comprises welding said long edges of said roofing sheet to each of said downwardly angled support surfaces. 18. The method of claim 12, wherein said roof frame further comprising a plurality of purlins extending between said first and second long rails. 19. The method of claim 18, wherein said purlins are positioned at progressively lower elevations along a length of each of said first and second long rails. 20. The method of claim 19, further comprising the step of welding said roofing sheet to said plurality of purlins. 21. The method of claim 12, said roofing sheet further comprising a plurality of ribs extending along a longest length dimension of said roofing sheet. 22. The method of claim 21, wherein said ribs are configured to direct water to said top surface of said second short rail.
Payne Edward ; Murphy Paul C. ; Dunne Philip J. ; Elder Robert R. ; Sanford Emmett Gregory, Mobile modular warehouse structure for containment and handling of hazardous materials.
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