CA2414581C - Roof decking membrane welding system and method - Google Patents
Roof decking membrane welding system and method Download PDFInfo
- Publication number
- CA2414581C CA2414581C CA002414581A CA2414581A CA2414581C CA 2414581 C CA2414581 C CA 2414581C CA 002414581 A CA002414581 A CA 002414581A CA 2414581 A CA2414581 A CA 2414581A CA 2414581 C CA2414581 C CA 2414581C
- Authority
- CA
- Canada
- Prior art keywords
- roof decking
- membrane
- hold
- roof
- down structure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D5/00—Roof covering by making use of flexible material, e.g. supplied in roll form
- E04D5/14—Fastening means therefor
- E04D5/149—Fastening means therefor fastening by welding
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D5/00—Roof covering by making use of flexible material, e.g. supplied in roll form
- E04D5/14—Fastening means therefor
- E04D5/141—Fastening means therefor characterised by the location of the fastening means
- E04D5/142—Fastening means therefor characterised by the location of the fastening means along the edge of the flexible material
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D5/00—Roof covering by making use of flexible material, e.g. supplied in roll form
- E04D5/14—Fastening means therefor
- E04D5/144—Mechanical fastening means
- E04D5/145—Discrete fastening means, e.g. discs or clips
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D5/00—Roof covering by making use of flexible material, e.g. supplied in roll form
- E04D5/14—Fastening means therefor
- E04D5/144—Mechanical fastening means
- E04D5/146—Linear fastening means, e.g. strips
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/2419—Fold at edge
- Y10T428/24215—Acute or reverse fold of exterior component
Abstract
A roof decking membrane welding system and method comprises first arid second roof decking membranes having edge portions thereof welded to each other so as to define a seamed connection therebetween. The edge portion of a first one of the membranes is disposed beneath a seam plate and folded over the top of the seam plate so as to be secured upon itself either at a location adjacent to the seamed con- nection with the second membrane or between the first mem- brane and the edge portion of the second membrane. In either case, the folded edge portion of the first membrane forms a closed loop portion which presents multiple regions for load-sharing in resisting uplifting wind load forces. Al- ternatively, the edge portion of the first membrane is fold- ed over itself but disposed beneath the seam plate so as to present dual plies of the first membrane for engagement with the seam plate so as to again provide load-sharing charact- eristics under uplifting wind load forces.
Claims (20)
1. A roof decking membrane welding system, comprising:
a roof decking substructure assembly;
a first roof decking membrane disposed atop said roof decking substructure for protecting said roof decking substructure from environmental conditions;
a second roof decking membrane disposed atop said roof decking substructure for protecting said roof decking substructure from environmental conditions, said first and second roof decking membranes having first and second por-tions, respectively, which are adapted to be mated together so as to form a seamed connection whereby said first and second roof decking membranes together provide continuous protection for said roof decking substructure against envi-ronmental conditions;
a hold-down structure for engaging a portion of said first roof decking membrane for securing said first roof decking membrane to said roof decking substructure; and a fastener engaged with said hold-down structure and fixedly secured within said roof decking substructure so as to secure said hold-down structure upon said roof decking substructure;
said first roof decking membrane comprising a sec-tion which is folded and secured with respect to itself such that when uplifting wind load forces act upon said first and second roof decking membranes, through means of said seamed connection, at least two sections of said first membrane will together operatively engage said hold-down structure and exhibit load-sharing reactive forces for resisting said up-lifting wind load forces.
a roof decking substructure assembly;
a first roof decking membrane disposed atop said roof decking substructure for protecting said roof decking substructure from environmental conditions;
a second roof decking membrane disposed atop said roof decking substructure for protecting said roof decking substructure from environmental conditions, said first and second roof decking membranes having first and second por-tions, respectively, which are adapted to be mated together so as to form a seamed connection whereby said first and second roof decking membranes together provide continuous protection for said roof decking substructure against envi-ronmental conditions;
a hold-down structure for engaging a portion of said first roof decking membrane for securing said first roof decking membrane to said roof decking substructure; and a fastener engaged with said hold-down structure and fixedly secured within said roof decking substructure so as to secure said hold-down structure upon said roof decking substructure;
said first roof decking membrane comprising a sec-tion which is folded and secured with respect to itself such that when uplifting wind load forces act upon said first and second roof decking membranes, through means of said seamed connection, at least two sections of said first membrane will together operatively engage said hold-down structure and exhibit load-sharing reactive forces for resisting said up-lifting wind load forces.
2. The system as set forth in Claim 1, wherein:
said hold-down structure comprises an element se-lected from the group comprising membrane plates, membrane battens, membrane bars, and membrane strips.
said hold-down structure comprises an element se-lected from the group comprising membrane plates, membrane battens, membrane bars, and membrane strips.
3. The system as set forth in Claim 1, wherein:
said folded section of said first roof decking membrane comprises an edge section which is folded over said fastener and said hold-down structure and secured to said first roof decking membrane at a location immediately adja-cent to said seamed connection, defined between said first and second portions of said first and second roof decking membranes, so as to define a closed loop which envelops said fastener and said hold-down structure.
said folded section of said first roof decking membrane comprises an edge section which is folded over said fastener and said hold-down structure and secured to said first roof decking membrane at a location immediately adja-cent to said seamed connection, defined between said first and second portions of said first and second roof decking membranes, so as to define a closed loop which envelops said fastener and said hold-down structure.
4. The system as set forth in Claim 3, wherein:
said location at which said folded edge section of said first roof decking membrane which is secured to said first roof decking membrane, and said seamed connection de-fined between said first and second portions of said first and second roof decking membranes, comprises a single welded region.
said location at which said folded edge section of said first roof decking membrane which is secured to said first roof decking membrane, and said seamed connection de-fined between said first and second portions of said first and second roof decking membranes, comprises a single welded region.
5. The system as set forth in Claim 1, wherein:
said folded section of said first membrane com-prises an edge section which is folded over said fastener and said hold-down structure and secured by a first surface portion thereof to said first roof decking membrane so as to define a closed loop which envelops said fastener and said hold-down structure; and said second portion of said second roof decking membrane is secured to a second surface portion of said edge section of said first roof decking membrane which defines said first portion of said first roof decking membrane de-fining said seamed connection.
said folded section of said first membrane com-prises an edge section which is folded over said fastener and said hold-down structure and secured by a first surface portion thereof to said first roof decking membrane so as to define a closed loop which envelops said fastener and said hold-down structure; and said second portion of said second roof decking membrane is secured to a second surface portion of said edge section of said first roof decking membrane which defines said first portion of said first roof decking membrane de-fining said seamed connection.
6. The system as set forth in Claim 5, wherein:
said folded edge section of said first roof deck-ing membrane which is secured to said first roof decking membrane, and said seamed connection defined between said first and second portions of said first and second roof decking membranes, comprises a single welded region.
said folded edge section of said first roof deck-ing membrane which is secured to said first roof decking membrane, and said seamed connection defined between said first and second portions of said first and second roof decking membranes, comprises a single welded region.
7. The system as set forth in Claim 1, wherein:
said folded section of said first roof decking membrane comprises an edge section which is folded beneath said hold-down structure so as to have two plies of said first roof decking membrane secured beneath said hold-down structure at a location immediately adjacent to said seamed connection defined between said first and second portions of said first and second roof decking membranes.
said folded section of said first roof decking membrane comprises an edge section which is folded beneath said hold-down structure so as to have two plies of said first roof decking membrane secured beneath said hold-down structure at a location immediately adjacent to said seamed connection defined between said first and second portions of said first and second roof decking membranes.
8. The system as set forth in Claim 1, wherein:
said folded section of said first roof decking membrane comprises an edge section which is folded over it-self so as to be disposed atop said first roof decking mem-brane and beneath said hold-down structure so as to have two plies of said first roof decking membrane secured beneath said hold-down structure at a location immediately adjacent to said seamed connection defined between said first and second portions of said first and second roof decking mem-branes.
said folded section of said first roof decking membrane comprises an edge section which is folded over it-self so as to be disposed atop said first roof decking mem-brane and beneath said hold-down structure so as to have two plies of said first roof decking membrane secured beneath said hold-down structure at a location immediately adjacent to said seamed connection defined between said first and second portions of said first and second roof decking mem-branes.
9. A method of securing roof decking membranes to an under-lying roof decking substructure, comprising the steps of:
providing a roof decking substructure assembly;
positioning a first roof decking membrane atop said roof decking substructure for protecting said roof decking substructure from environmental conditions;
positioning a second roof decking membrane atop said roof decking substructure for protecting said roof decking substructure from environmental conditions;
mating together first and second portions of said first and second roof decking membranes so as to form a seamed connection whereby said first and second roof decking membranes together provide continuous protection for said roof decking substructure against environmental conditions;
securing a hold-down structure, disposed upon a portion of said first roof decking membrane, to said roof decking substructure assembly so as to secure said first roof decking membrane to said roof decking substructure; and folding and securing a section of said first roof decking membrane with respect to itself such that when up-lifting wind load forces act upon said first and second roof decking membranes, through means of said seamed connection, at least two sections of said first membrane will together operatively engage said hold-down structure and exhibit load-sharing reactive forces for resisting said uplifting wind load forces.
providing a roof decking substructure assembly;
positioning a first roof decking membrane atop said roof decking substructure for protecting said roof decking substructure from environmental conditions;
positioning a second roof decking membrane atop said roof decking substructure for protecting said roof decking substructure from environmental conditions;
mating together first and second portions of said first and second roof decking membranes so as to form a seamed connection whereby said first and second roof decking membranes together provide continuous protection for said roof decking substructure against environmental conditions;
securing a hold-down structure, disposed upon a portion of said first roof decking membrane, to said roof decking substructure assembly so as to secure said first roof decking membrane to said roof decking substructure; and folding and securing a section of said first roof decking membrane with respect to itself such that when up-lifting wind load forces act upon said first and second roof decking membranes, through means of said seamed connection, at least two sections of said first membrane will together operatively engage said hold-down structure and exhibit load-sharing reactive forces for resisting said uplifting wind load forces.
10. The method as set forth in Claim 9, further comprising the step of:
selecting said hold-down structure from the group comprising membrane plates, membrane battens, membrane bars, and membrane strips.
selecting said hold-down structure from the group comprising membrane plates, membrane battens, membrane bars, and membrane strips.
11. The method as set forth in Claim 9, wherein:
said folded section of said first roof decking membrane comprises an edge section which is folded over said hold-down structure and secured to said first roof decking membrane at a location immediately adjacent to said seamed connection, defined between said first and second portions of said first and second roof decking membranes, so as to define a closed loop which envelops said hold-down struc-ture.
said folded section of said first roof decking membrane comprises an edge section which is folded over said hold-down structure and secured to said first roof decking membrane at a location immediately adjacent to said seamed connection, defined between said first and second portions of said first and second roof decking membranes, so as to define a closed loop which envelops said hold-down struc-ture.
12. The method as set forth in Claim 11, further comprising the step of:
securing said folded edge section of said first roof decking membrane to said first roof decking membrane at said location, and forming said seamed connection defined between said first and second portions of said first and second roof decking membranes, within and by means of a single welded region.
securing said folded edge section of said first roof decking membrane to said first roof decking membrane at said location, and forming said seamed connection defined between said first and second portions of said first and second roof decking membranes, within and by means of a single welded region.
13. The method as set forth in Claim 9, wherein:
said folded section of said first membrane com-prises an edge section which is folded over said hold-down structure and secured by a first surface portion thereof to said first roof decking membrane so as to define a closed loop which envelops said hold-down structure; and said second portion of said second roof decking membrane is secured to a second surface portion of said edge section of said first roof decking membrane which defines said first portion of said first roof decking membrane de-fining said seamed connection.
said folded section of said first membrane com-prises an edge section which is folded over said hold-down structure and secured by a first surface portion thereof to said first roof decking membrane so as to define a closed loop which envelops said hold-down structure; and said second portion of said second roof decking membrane is secured to a second surface portion of said edge section of said first roof decking membrane which defines said first portion of said first roof decking membrane de-fining said seamed connection.
14. The method as set forth in Claim 13, further comprising the step of:
securing said folded edge section of said first roof decking membrane to said first roof decking membrane, and forming said seamed connection between said first and second portions of said first and second roof decking mem-branes, within and by means of a single welded region.
securing said folded edge section of said first roof decking membrane to said first roof decking membrane, and forming said seamed connection between said first and second portions of said first and second roof decking mem-branes, within and by means of a single welded region.
15. The method as set forth in Claim 9, wherein:
said folded section of said first roof decking membrane comprises an edge section which is folded beneath said hold-down structure so as to have two plies of said first roof decking membrane secured beneath said hold-down structure at a location immediately adjacent to said seamed connection defined between said first and second portions of said first and second roof decking membranes.
said folded section of said first roof decking membrane comprises an edge section which is folded beneath said hold-down structure so as to have two plies of said first roof decking membrane secured beneath said hold-down structure at a location immediately adjacent to said seamed connection defined between said first and second portions of said first and second roof decking membranes.
16. The method as set forth in Claim 9, wherein:
said folded section of said first roof decking membrane comprises an edge section which is folded over it-self so as to be disposed atop said first roof decking mem-brane and beneath said hold-down structure so as to have two plies of said first roof decking membrane secured beneath said hold-down structure at a location immediately adjacent to said seamed connection defined between said first and second portions of said first and second roof decking mem-branes.
said folded section of said first roof decking membrane comprises an edge section which is folded over it-self so as to be disposed atop said first roof decking mem-brane and beneath said hold-down structure so as to have two plies of said first roof decking membrane secured beneath said hold-down structure at a location immediately adjacent to said seamed connection defined between said first and second portions of said first and second roof decking mem-branes.
17. The system as set forth in Claim 3, wherein:
said folded section of said first roof decking membrane, and said second portion of said second roof decking membrane, are both secured to said first roof decking membrane.
said folded section of said first roof decking membrane, and said second portion of said second roof decking membrane, are both secured to said first roof decking membrane.
18. The system as set forth in Claim 5, wherein:
said folded section of said first roof decking membrane is interposed between said first roof decking membrane and said second portion of said second roof decking membrane.
said folded section of said first roof decking membrane is interposed between said first roof decking membrane and said second portion of said second roof decking membrane.
19. The method as set forth in Claim 11, wherein:
said folded section of said first roof decking membrane, and said second portion of said second roof decking membrane, are both secured to said first roof decking membrane.
said folded section of said first roof decking membrane, and said second portion of said second roof decking membrane, are both secured to said first roof decking membrane.
20. The method as set forth in Claim 13, wherein:
said folded section of said first roof decking membrane is interposed between said first roof decking membrane and said second portion of said second roof decking membrane.
said folded section of said first roof decking membrane is interposed between said first roof decking membrane and said second portion of said second roof decking membrane.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/038,005 US6689449B2 (en) | 2002-01-04 | 2002-01-04 | Roof decking membrane welding system and method |
| US10/038,005 | 2002-01-04 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2414581A1 CA2414581A1 (en) | 2003-07-04 |
| CA2414581C true CA2414581C (en) | 2008-09-30 |
Family
ID=21897556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002414581A Expired - Fee Related CA2414581C (en) | 2002-01-04 | 2002-12-17 | Roof decking membrane welding system and method |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US6689449B2 (en) |
| EP (1) | EP1325992B1 (en) |
| CA (1) | CA2414581C (en) |
| DE (1) | DE60301673T2 (en) |
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| US20040187420A1 (en) * | 2003-03-24 | 2004-09-30 | Bernardi John V. | Substrate with membrane seam plates fixed thereon for precise placement of seam plates on roof decking assemblies |
| US7430837B2 (en) * | 2003-08-14 | 2008-10-07 | Bfs Diversified Products, Llc. | Membrane with mechanical securement attached |
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| US8440284B2 (en) * | 2004-07-13 | 2013-05-14 | Thomas L. Kelly | Reinforced lap in an inseam mechanically attached roofing membrane, methods for making the same, and method for installing the same |
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-
2002
- 2002-01-04 US US10/038,005 patent/US6689449B2/en not_active Expired - Fee Related
- 2002-12-17 CA CA002414581A patent/CA2414581C/en not_active Expired - Fee Related
-
2003
- 2003-01-03 EP EP03290008A patent/EP1325992B1/en not_active Expired - Fee Related
- 2003-01-03 DE DE60301673T patent/DE60301673T2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| EP1325992A1 (en) | 2003-07-09 |
| US6689449B2 (en) | 2004-02-10 |
| DE60301673D1 (en) | 2005-11-03 |
| DE60301673T2 (en) | 2006-06-01 |
| CA2414581A1 (en) | 2003-07-04 |
| EP1325992B1 (en) | 2005-09-28 |
| US20030126816A1 (en) | 2003-07-10 |
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