Short penetration flashing, flashing systems and methods for installing them

Patent metadata

Field	Value
Publication number	US-11326350-B2
Application number	US-202017068400-A
Country	US
Kind code	B2
Filing date	Oct 12, 2020
Priority date	Jan 9, 2018
Publication date	May 10, 2022
Grant date	May 10, 2022

Abstract

The present disclosure relates generally to a roofing system including flashing, for example, suitable for protecting a roof from water leakage. The present disclosure relates more particularly to a roofing system including first, second, and third courses of shingles, where the second course overlaps the first and the third course overlaps the second. A flashing plate is disposed over the first course of shingles and partially under the second course of shingles. The flashing plate and the third course of shingles are spaced apart by a gap in a direction of the slope of the roof between a top edge of the flashing plate and a lower edge of the third course of shingles.

First claim

What is claimed is:

1. A method of protecting roof penetrations from water infiltration, the method comprising:
positioning a first flashing plate on a roof over a first course of shingles and partially under a second course of shingles,
wherein the first course of shingles has first and second roofing penetrations extending therethrough,
wherein the second course of shingles overlaps a portion of the first course of shingles and covers an upper end of the first course of shingles,
wherein a third course of shingles overlaps a portion of the second course of shingles and covers an upper end of the second course of shingles,
wherein the first flashing plate is positioned to cover the first roofing penetration, to be partially disposed under the second course of shingles, and to be spaced from the third course of shingles so as to form a gap in a direction of the slope of the roof between a top edge of the flashing plate and a lower end of the third course of shingles; and

positioning an elongate second flashing plate on the roof over the first course of shingles and partially under the second course of shingles, the elongate second flashing plate being longer than the first flashing plate,
wherein the elongate second flashing plate is positioned to cover the second roofing penetration, to be partially disposed under the second course of shingles, and to extend under the third course of shingles so as to form an overlap between a top edge of the elongate second flashing plate and the lower end of the third course of shingles.

2. The method according to claim 1 , wherein the elongate second flashing plate is disposed in a vicinity of a discontinuity in the second course of shingles.

3. The method according to claim 2 , wherein the discontinuity in the second course of shingles is a butt joint between two shingles.

4. The method according to claim 1 , wherein the first flashing plate has a height between the top edge of the first flashing plate and a bottom edge of the first flashing plate that is less than 9 inches.

5. The method according to claim 1 , wherein the first flashing plate includes an aperture, and wherein positioning the first flashing plate includes aligning the aperture with the first roof penetration,
the method further comprising inserting a fastener through the aperture and into the first roof penetration and engaging the fastener with a support member of the roof.

6. The method according to claim 1 , wherein a front surface of the first flashing plate includes a projection that forms a recess on a rear surface of the first flashing plate, wherein a bracket is secured to the roof by a fastener that extends through the first roof penetration, and wherein positioning the first flashing plate includes inserting the bracket into the recess provided on the rear surface of the first flashing plate.

7. A kit for protecting roof penetrations from water intrusions, the kit comprising:
a plurality of first flashing plates, each of the first flashing plates being configured to be positioned on a roof over a first course of shingles so as to cover a respective roofing penetration in the first course of shingles and partially under a second course of shingles, such that each first flashing plate is spaced from a third course of shingles that overlaps a portion of the second course of shingles, such that a gap is formed in a direction of the slope of the roof between a top edge of the respective first flashing plate and a lower end of the third course of shingles; and
an elongate second flashing plate that is longer than each of the first flashing plates, the elongate second flashing plate being configured to be positioned on the roof to cover the second roofing penetration, to be partially disposed under the second course of shingles, and to extend under the third course of shingles so as to form an overlap between a top edge of the elongate second flashing plate and the lower end of the third course of shingles.

8. The kit according to claim 7 , wherein each of the first flashing plates has a height between the top edge and bottom edge that is less than 9 inches.

9. The kit according to claim 7 , wherein each of the flashing plates includes an aperture extending form a front surface of the respective flashing plate to a rear surface, the aperture being configured to receive a fastener that extends through a respective roofing penetration.

10. The kit according to claim 7 , wherein a front surface of each flashing plate includes a projection that forms a recess on a rear surface of the respective flashing plate, the recess being configured to receive a bracket that supports a structure on the roof.

11. The kit according to claim 7 , further comprising a plurality of asphalt or architectural shingles configured to form the first, second and third courses of shingles.

12. A method of protecting roof penetrations from water intrusion, the method comprising:
positioning a first flashing plate on a roof over a first course of shingles and partially under a second course of shingles,
wherein the first course of shingles has first and second roofing penetrations extending therethrough,
wherein the second course of shingles overlaps a portion of the first course of shingles and covers an upper end of the first course of shingles,
wherein a third course of shingles overlaps a portion of the second course of shingles and covers an upper end of the second course of shingles,
wherein the first flashing plate is positioned to cover the first roofing penetration, to be partially disposed under the second course of shingles, and to be spaced from the third course of shingles so as to form a gap in a direction of the slope of the roof between a top edge of the flashing plate and a lower end of the third course of shingles;
positioning a second flashing plate on the roof over the first course of shingles and partially under the second course of shingles,
wherein the second flashing plate is positioned to cover the second roofing penetration, and to be partially disposed under the second course of shingles and in a vicinity of a discontinuity in the second course of shingles; and
positioning a cover over a top edge of the second flashing plate so as to deter water infiltration through the discontinuity in the second course of shingles.

13. The method according to claim 12 , wherein the cover includes at least one of an additional flashing plate, mastic, or tape.

14. The method according to claim 12 , wherein the discontinuity in the second course of shingles is a butt joint between two shingles.

15. The method according to claim 12 , wherein the first flashing plate has a height between the top edge of the first flashing plate and a bottom edge of the first flashing plate that is less than 9 inches.

16. The method according to claim 12 , wherein the first flashing plate includes an aperture, and wherein positioning the first flashing plate includes aligning the aperture with the first roof penetration,
the method further comprising inserting a fastener through the aperture and into the first roof penetration and engaging the fastener with a support member of the roof.

17. The method according to claim 12 , wherein a front surface of the first flashing plate includes a projection that forms a recess on a rear surface of the first flashing plate, wherein a bracket is secured to the roof by a fastener that extends through the first roof penetration, and wherein positioning the first flashing plate includes inserting the bracket into the recess provided on the rear surface of the f

Assignees

• Certainteed Llc

Inventors

• Nash Alex C
• Koch Stephen
• Jenkins Robert L
• Fisher Christopher C

Classifications

• E04D2001/3491

  made of flexible material, e.g. shingles · CPC title

• E04D13/147 Primary

  specially adapted for inclined roofs {(trays for cavity walls E04B1/70)} · CPC title

• E04D3/38 Primary

  Devices for sealing spaces or joints between roof-covering elements (E04D3/36 takes precedence; sealing joints not restricted to roof-covering elements E04B1/68) · CPC title

• E04D1/26

  Strip-shaped roofing elements {simulating a repetitive pattern, e.g.} appearing as a row of shingles · CPC title

• E06B5/01

  Trap-doors · CPC title