CA1256666A - Drip edge roof moulding - Google Patents
Drip edge roof mouldingInfo
- Publication number
- CA1256666A CA1256666A CA000494032A CA494032A CA1256666A CA 1256666 A CA1256666 A CA 1256666A CA 000494032 A CA000494032 A CA 000494032A CA 494032 A CA494032 A CA 494032A CA 1256666 A CA1256666 A CA 1256666A
- Authority
- CA
- Canada
- Prior art keywords
- portion extending
- drip edge
- roof
- moulding
- extending downwardly
- 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
Links
Landscapes
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
Abstract
DRIP EDGE ROOF MOULDING
Abstract of the Disclosure A drip edge roof moulding for placement at the lower edge of an inclined roof beneath the roofing to direct flow of water away from the facia board which comprises an elongated strip comprising a first flat portion adapted to be positioned beneath the roofing, a second flat portion extending downwardly from the lower edge of the first portion at an obtuse angle with respect to the first portion, a third portion extending along the second portion toward the first portion, a fourth portion extending along the underside of the first portion, a fifth portion extending downwardly at an acute angle approaching 90° from the fourth portion and adapted to engage the facia board, and a sixth lip portion extending downwardly and outwardly at an obtuse angle to the fifth portion.
Abstract of the Disclosure A drip edge roof moulding for placement at the lower edge of an inclined roof beneath the roofing to direct flow of water away from the facia board which comprises an elongated strip comprising a first flat portion adapted to be positioned beneath the roofing, a second flat portion extending downwardly from the lower edge of the first portion at an obtuse angle with respect to the first portion, a third portion extending along the second portion toward the first portion, a fourth portion extending along the underside of the first portion, a fifth portion extending downwardly at an acute angle approaching 90° from the fourth portion and adapted to engage the facia board, and a sixth lip portion extending downwardly and outwardly at an obtuse angle to the fifth portion.
Description
6~
This invention relates to drip edge roof mouldings.
Backqround and Summary of the Invention In the building of buildings such as homes, it is common to provide a drip edge roof moulding at the free edge of the inclined roof beneath the roofing to direct flow of water away from the facia board which extends generally vertically below the roof in spaced relation to the free edge of the roof.
The drip edge roof moulding also functions to strengthen the roofing such as shingles which extend in overhanging relation to the facia, to cover and protect the otherwise exposed roof sheathing above the facia and to trim out and hold in place aluminum or vinyl facia covering where it is used.
If the water is not properly directed away from the facia board, problems arise with peeling of paint and rotting of the wood facia boards, staining and streaking of the aluminum or vinyl facia coverings, blackening or discoloration of more durable material used for facia boards such as cedar, and water running behind the eaves trough rather than dripping into it.
A common type of drip edge roof moulding is of the type shown in United States patent 3,415,019 wherein the moulding comprises a first portion adapted to extend along the roof beneath the roofing, a second portion bent from the free edge of the first portion below the first portion, a third portion extending downwardly from the second portion along the facia board and a fifth lip portion extending downwardly and outwardly from the fourth portion. Such a moulding has been found to have all the aforementioned problems. Similar mouldings are shown in United States patents ~,079,561, 4,218,~57 and ~73,407. Much "` ~L~256~6~i more complex structures have been suggested as shown in United States patents 667,821, 936,040, 4,271,643 and 4,30Q,319.
~ mong the objectives of the present invention are to provide a drip edge roof moulding which will effectively direct water away from the facia board and obviate all the problems with the prior constructions; which is effective on roofs of various inclinations without change; which is low in cost and has long life.
In accordance with the invention, the drip edge roof moulding for placement at the lower edge of an inclined roof beneath the roofing to direct flow of water away from the facia board comprises an elongated strip comprising a first flat portion adapted to be positioned beneath the roofing, a second flat portion extending downwardly from the lower edge of the first portion at an obtuse angle with respect to the first portion, a third portion extending along the second portion toward the first portion, a fourth portion extending along the underside of the first portion, a fifth portion extending downwardly at an acute angle approaching 90 from the Eourth portion and adapted to engage the facia board, and a sixth lip portion extending downwardly and outwardly at an obtuse angle to the fifth portion.
S6i6 Description of the Drawings FIG. 1 is a fragmentary vertical sectional view of a building embodying the invention.
FIG. 2 is a fragmentary perspective view of the drip edge roof moulding.
FIG. 3 i5 an end view of a drip edge roof moulding embodying the invention.
FIG. 4 is a fragmentary vertical sectional view of a building incorporating a prior art drip edge roof moulding.
~z5~6 Ei6 Description Referring to FIGS. 1-3, the drip edge roof moulding 10 embodying the invention is shown as being used with a building such as a home including a truss or rafter tail 11 on which roof sheathing 12 is provided~ Roofing su~h as shingles 13 is provided over the roof sheathing 12 and extends beyond the sheathing 12 in overhanging relation to a vertical facia board 14. Alum~num or vinyl facia covering 15 may be provided over the facia board.
The drip edge roof moulding lO is preEerably made from an elongated metal strip of galvanized steel and is preferably coated with an industrial baked enamel paint. The moulding is preferably roll formed from a flat sheet.
In accordance with the invention, the drip edge roof moulding 10 comprises a first flat portion 20 adapted to be positioned beneath the roofing and a second flat portion 21 bent and extending do~nwardly from the lower edge of the first portion 20 at an obtuse angle with respect to the first portion 20. A third portion 23 is bent from the free edge of the second portion 21 and extends along the second portion 21 toward the first portion 20. A fourth portion 24 extends in abutting relation along the underside of the first portion 20~ A fifth portion 25 is bent from the free edge of the fourth portion 2~
and extends downwardly at an acute angle approaching 90 from the fourth portion 24 and is adapted to engage the facia board 14 and hold the facia covering, if any, in position. The facia covering 15 is never fastened to the front surface of the facia board 14 to avoid unsightly buckling of the facia covering. A
sixth lip portion 26 is bent from the fifth portion and extends 6~
downwardly and outwardly at an obtuse angle to the fifth portion 25.
The obtuse angle A which the first and fourth portions make with the second and third portions is 115 plus or minus
This invention relates to drip edge roof mouldings.
Backqround and Summary of the Invention In the building of buildings such as homes, it is common to provide a drip edge roof moulding at the free edge of the inclined roof beneath the roofing to direct flow of water away from the facia board which extends generally vertically below the roof in spaced relation to the free edge of the roof.
The drip edge roof moulding also functions to strengthen the roofing such as shingles which extend in overhanging relation to the facia, to cover and protect the otherwise exposed roof sheathing above the facia and to trim out and hold in place aluminum or vinyl facia covering where it is used.
If the water is not properly directed away from the facia board, problems arise with peeling of paint and rotting of the wood facia boards, staining and streaking of the aluminum or vinyl facia coverings, blackening or discoloration of more durable material used for facia boards such as cedar, and water running behind the eaves trough rather than dripping into it.
A common type of drip edge roof moulding is of the type shown in United States patent 3,415,019 wherein the moulding comprises a first portion adapted to extend along the roof beneath the roofing, a second portion bent from the free edge of the first portion below the first portion, a third portion extending downwardly from the second portion along the facia board and a fifth lip portion extending downwardly and outwardly from the fourth portion. Such a moulding has been found to have all the aforementioned problems. Similar mouldings are shown in United States patents ~,079,561, 4,218,~57 and ~73,407. Much "` ~L~256~6~i more complex structures have been suggested as shown in United States patents 667,821, 936,040, 4,271,643 and 4,30Q,319.
~ mong the objectives of the present invention are to provide a drip edge roof moulding which will effectively direct water away from the facia board and obviate all the problems with the prior constructions; which is effective on roofs of various inclinations without change; which is low in cost and has long life.
In accordance with the invention, the drip edge roof moulding for placement at the lower edge of an inclined roof beneath the roofing to direct flow of water away from the facia board comprises an elongated strip comprising a first flat portion adapted to be positioned beneath the roofing, a second flat portion extending downwardly from the lower edge of the first portion at an obtuse angle with respect to the first portion, a third portion extending along the second portion toward the first portion, a fourth portion extending along the underside of the first portion, a fifth portion extending downwardly at an acute angle approaching 90 from the Eourth portion and adapted to engage the facia board, and a sixth lip portion extending downwardly and outwardly at an obtuse angle to the fifth portion.
S6i6 Description of the Drawings FIG. 1 is a fragmentary vertical sectional view of a building embodying the invention.
FIG. 2 is a fragmentary perspective view of the drip edge roof moulding.
FIG. 3 i5 an end view of a drip edge roof moulding embodying the invention.
FIG. 4 is a fragmentary vertical sectional view of a building incorporating a prior art drip edge roof moulding.
~z5~6 Ei6 Description Referring to FIGS. 1-3, the drip edge roof moulding 10 embodying the invention is shown as being used with a building such as a home including a truss or rafter tail 11 on which roof sheathing 12 is provided~ Roofing su~h as shingles 13 is provided over the roof sheathing 12 and extends beyond the sheathing 12 in overhanging relation to a vertical facia board 14. Alum~num or vinyl facia covering 15 may be provided over the facia board.
The drip edge roof moulding lO is preEerably made from an elongated metal strip of galvanized steel and is preferably coated with an industrial baked enamel paint. The moulding is preferably roll formed from a flat sheet.
In accordance with the invention, the drip edge roof moulding 10 comprises a first flat portion 20 adapted to be positioned beneath the roofing and a second flat portion 21 bent and extending do~nwardly from the lower edge of the first portion 20 at an obtuse angle with respect to the first portion 20. A third portion 23 is bent from the free edge of the second portion 21 and extends along the second portion 21 toward the first portion 20. A fourth portion 24 extends in abutting relation along the underside of the first portion 20~ A fifth portion 25 is bent from the free edge of the fourth portion 2~
and extends downwardly at an acute angle approaching 90 from the fourth portion 24 and is adapted to engage the facia board 14 and hold the facia covering, if any, in position. The facia covering 15 is never fastened to the front surface of the facia board 14 to avoid unsightly buckling of the facia covering. A
sixth lip portion 26 is bent from the fifth portion and extends 6~
downwardly and outwardly at an obtuse angle to the fifth portion 25.
The obtuse angle A which the first and fourth portions make with the second and third portions is 115 plus or minus
2. The acute angle B which the fourth and fifth portions form is 75 plus or minus 2.
When the drip edge moulding embodying the invention is applied as shown in FIG. 1, it effectively directs water away from the facia board and obviates the problems with the prior constructions, is effective on roofs of various inclinations without change and is low in cost and has long life.
This may be contrasted to the prior art construction shown in FIG. 4 wherein the drip edge roof moulding has a free edge 30 formed by portions 31,32 bent over in overlapping relation such that the water tends to flow bac~ around the Eree edge and runs down onto the facia board with the resultant damage heretofore discussed. It has been found that the water moves about the free edge by capillary action along the under surface of the portion 32.
When the drip edge moulding embodying the invention is applied as shown in FIG. 1, it effectively directs water away from the facia board and obviates the problems with the prior constructions, is effective on roofs of various inclinations without change and is low in cost and has long life.
This may be contrasted to the prior art construction shown in FIG. 4 wherein the drip edge roof moulding has a free edge 30 formed by portions 31,32 bent over in overlapping relation such that the water tends to flow bac~ around the Eree edge and runs down onto the facia board with the resultant damage heretofore discussed. It has been found that the water moves about the free edge by capillary action along the under surface of the portion 32.
Claims
The embodiments of the invention in which an exclusive property or privilege is claimed are defined as follows:
1.
A drip edge roof moulding for placement at the lower edge or an inclined roof beneath the roofing to direct flow of water away from the facia board comprising an elongated strip comprising a first flat portion adapted to be positioned beneath the roofing, a second flat portion extending downwardly from the lower edge of the first portion at an obtuse angle with respect to the first portion, a third portion extending along the second portion toward the first portion, a fourth portion extending along the underside of the first portion, a fifth portion extending downwardly at an acute angle approaching 90° from the fourth portion and adapted to engage the facia board, and a sixth lip portion extending downwardly and outwardly at an obtuse angle to the fifth portion.
2.
The drip edge roof moulding set forth in claim 1 wherein said moulding is formed from a single strip by bending.
3.
The drip edge roof moulding set forth in claim 1 wherein the obtuse angle between the first and second portions is about 115°.
4.
The drip edge roof moulding set forth in claim 3 wherein the angle comprises 115° plus or minus 2°.
5.
The drip edge roof moulding set forth in claim 1 wherein the angle formed between the fourth and fifth portions is about 75°.
6.
The drip edge roof moulding set forth in claim 5 wherein the angle is 75° plus or minus 2°.
7.
A drip edge roof moulding for placement at the lower edge of an inclined roof beneath the roofing to direct flow of water away from the facia board comprising an elongated strip comprising a first flat portion adapted to be positioned beneath the roofing, a second flat portion extending downwardly from the lower edge of the first portion at an obtuse angle with respect to the first portion of 115° plus or minus 2°, a third portion extending along the second portion toward the first portion, a fourth portion extending along the underside of the first portion, a fifth portion extending downwardly at an acute angle of 75° plus or minus 2° from the fourth portion and adapted to engage the facia board, and a sixth lip portion extending downwardly and outwardly at an obtuse angle to the fifth portion.
1.
A drip edge roof moulding for placement at the lower edge or an inclined roof beneath the roofing to direct flow of water away from the facia board comprising an elongated strip comprising a first flat portion adapted to be positioned beneath the roofing, a second flat portion extending downwardly from the lower edge of the first portion at an obtuse angle with respect to the first portion, a third portion extending along the second portion toward the first portion, a fourth portion extending along the underside of the first portion, a fifth portion extending downwardly at an acute angle approaching 90° from the fourth portion and adapted to engage the facia board, and a sixth lip portion extending downwardly and outwardly at an obtuse angle to the fifth portion.
2.
The drip edge roof moulding set forth in claim 1 wherein said moulding is formed from a single strip by bending.
3.
The drip edge roof moulding set forth in claim 1 wherein the obtuse angle between the first and second portions is about 115°.
4.
The drip edge roof moulding set forth in claim 3 wherein the angle comprises 115° plus or minus 2°.
5.
The drip edge roof moulding set forth in claim 1 wherein the angle formed between the fourth and fifth portions is about 75°.
6.
The drip edge roof moulding set forth in claim 5 wherein the angle is 75° plus or minus 2°.
7.
A drip edge roof moulding for placement at the lower edge of an inclined roof beneath the roofing to direct flow of water away from the facia board comprising an elongated strip comprising a first flat portion adapted to be positioned beneath the roofing, a second flat portion extending downwardly from the lower edge of the first portion at an obtuse angle with respect to the first portion of 115° plus or minus 2°, a third portion extending along the second portion toward the first portion, a fourth portion extending along the underside of the first portion, a fifth portion extending downwardly at an acute angle of 75° plus or minus 2° from the fourth portion and adapted to engage the facia board, and a sixth lip portion extending downwardly and outwardly at an obtuse angle to the fifth portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000494032A CA1256666A (en) | 1985-10-28 | 1985-10-28 | Drip edge roof moulding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000494032A CA1256666A (en) | 1985-10-28 | 1985-10-28 | Drip edge roof moulding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1256666A true CA1256666A (en) | 1989-07-04 |
Family
ID=4131733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000494032A Expired CA1256666A (en) | 1985-10-28 | 1985-10-28 | Drip edge roof moulding |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA1256666A (en) |
-
1985
- 1985-10-28 CA CA000494032A patent/CA1256666A/en not_active Expired
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |