CA2448470A1 - Shingle with improved blow-off resistance - Google Patents

Shingle with improved blow-off resistance Download PDF

Info

Publication number
CA2448470A1
CA2448470A1 CA002448470A CA2448470A CA2448470A1 CA 2448470 A1 CA2448470 A1 CA 2448470A1 CA 002448470 A CA002448470 A CA 002448470A CA 2448470 A CA2448470 A CA 2448470A CA 2448470 A1 CA2448470 A1 CA 2448470A1
Authority
CA
Canada
Prior art keywords
shingle
wind
layer
resistant layer
edges
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.)
Granted
Application number
CA002448470A
Other languages
French (fr)
Other versions
CA2448470C (en
Inventor
Husnu M. Kalkanoglu
Robert L. Jenkins
Stephen A. Koch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Certainteed LLC
Original Assignee
Certain Teed Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Certain Teed Corp filed Critical Certain Teed Corp
Publication of CA2448470A1 publication Critical patent/CA2448470A1/en
Application granted granted Critical
Publication of CA2448470C publication Critical patent/CA2448470C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B11/00—Layered products comprising a layer of bituminous or tarry substances
    • B32B11/10—Layered products comprising a layer of bituminous or tarry substances next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B11/00—Layered products comprising a layer of bituminous or tarry substances
    • B32B11/02—Layered products comprising a layer of bituminous or tarry substances with fibres or particles being present as additives in the layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/06—Interconnection of layers permitting easy separation
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D1/00—Roof covering by making use of tiles, slates, shingles, or other small roofing elements
    • E04D1/26—Strip-shaped roofing elements simulating a repetitive pattern, e.g. appearing as a row of shingles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/101—Glass fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/712—Weather resistant
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2419/00—Buildings or parts thereof
    • B32B2419/06—Roofs, roof membranes
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D1/00—Roof covering by making use of tiles, slates, shingles, or other small roofing elements
    • E04D2001/005—Roof covering by making use of tiles, slates, shingles, or other small roofing elements the roofing elements having a granulated surface
    • 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.]
    • Y10T428/24355—Continuous and nonuniform or irregular surface on layer or component [e.g., roofing, etc.]
    • Y10T428/24372—Particulate matter
    • 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
    • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles

Abstract

A wind-resistant shingle and a method of making it is provided in which the rear surface of the shingle is provided with an attached reinforcement layer, which resists upwardly wind-applied bending torque when the shingle is installed on a roof, such that the failure of the shingle when it is bent beyond its elastic limit, is resisted until the shingle has absorbed a high percentage of applied torque.

Claims (20)

1. A wind-resistant shingle having front and rear surfaces, a width defined by upper and lower edges and a length defined by right and left edges, comprising:
(a) a base layer of mat having front and rear surfaces;
(b) a coating of asphaltic material on both front and rear surfaces of the mat;
(c) coatings of granular material on the asphaltic material on both front and rear surfaces which, together with said base layer of mat and coatings of asphaltic material comprise a first thickness layer;
(d) a longitudinal fastening zone between right and left shingle edges, generally intermediate said upper and lower edges;
(e) a generally longitudinal wind-resistant second thickness layer of a substantially thinner dimension than said first thickness layer adhered to said lower surface of said shingle, against the outer surface of granular material on the surface thereof, and extending at least substantially between right and left edges of the shingle;
(f) said wind-resistant layer extending at least partially lower than the fastening zone, toward the lower edge of the shingle; and (g) said wind-resistant layer comprising a plurality of crossing strands of reinforcing material.
2. The shingle of claim 1, wherein the shingle comprises an upper headlap portion and a lower tab portion; with the tab portion comprising a plurality of tabs spaced by slots that extend upward toward the headlap portion from the lower edge; with the fastening zone being generally located above the tab portion.
3. The shingle of any one of claims 1 and 2, wherein the width of the wind-resistant layer is approximately 2 1/2 inches wide.
4. The shingle of any one of claims 1 and 2, wherein the width of the wind-resistant layer is approximately 6 inches wide.
5. The shingle of claim 2, wherein the wind-resistant layer extends above the upper ends of the slots.
6. The shingle of claim 5, wherein the width of the wind-resistant layer is approximately 2 1/2 inches wide.
7. The shingle of claim 5, wherein the width of the wind-resistant layer is approximately 6 inches wide.
8. The shingle of any one of claims 1 and 2, wherein the wind-resistant layer comprises a scrim of a cross-hatched plurality of strands of at least
9×9 per inch2.

9. The shingle of any one of claims 1 and 2, wherein the wind-resistant layer is of a strand density, thickness and strength such that the shingle absorbs 80% of 6 inch-lbs.
of lifting torque at a 50° angle of lift of the lower edge of the shingle relative to the upper end of the shingle, without shingle failure.
10. The shingle of any one of claims 1 and 2, wherein the wind-resistant layer is of a strand density, thickness and strength such that the shingle absorgs 70% of 5 inch-lbs.

of lifting torque at a 60° angle of lift of the lower edge of the shingle relative to the upper end of the shingle, without shingle failure.
11. The shingle of any one of claims 1 and 2, wherein the wind-resistant layer is exposed and uncovered on the rear surface of the shingle.
12. The shingle of any one of claims 1 and 2, wherein the wind-resistant layer comprises means for increasing the amount of applied lifting load that the shingle will absorb, under bending conditions, within the elastic limit of the shingle, prior to failure.
13. The method of making a wind-resistant shingle having front and rear surfaces, a width defined by upper and lower edges and a length defined by right and left edges, comprising:
(a) providing a base layer of mat having front and rear surfaces;
(b) providing a coating of asphaltic material on both front and rear surfaces of the mat;
(c) providing coatings of granular material on the asphaltic material on both front and rear surfaces;
(d) providing a longitudinal fastening zone between right and left shingle edges, generally intermediate said upper and lower shingle edges;
(e) providing a generally longitudinal wind-resistant layer adhered to the lower surface of the shingle, against the outer surface of the granular material on the surface thereof, extending at least substantially between right and left edges of the shingle;
14 (f) having the wind-resistant layer extend at feast partially lower than the fastening zone, toward the lower edge of the shingle; and (g) providing for the wind-resistant layer, a plurality of crossing strands of reinforcing material.

14. The method of claim 13, wherein the shingle is provided with an upper headlap portion and a lower tab portion comprising a plurality of tabs spaced by slots that extend toward the headlap portion from the lower edge; and providing the fastening zone such that it is generally located above the tab portion.
15. The method of any one of claims 13 and 14, wherein the step (g) of claim comprising increasing the amount of applied lifting load that the shingle will absorb, under bending conditions, within the elastic limit of the shingle, prior to failure.
16. The method of any one of claims 13 and 14, wherein step (e) includes adhering the wind-resistant layer to the lower surface of the shingle by an asphaltic material.
17. The method of claim 16, wherein the adhering step comprises applying a separate layer of asphaltic material after steps (b) and (c).
18. A wind-resistant shingle having front and rear surfaces, a width defined by upper and lower edges and a length defined by right and left edges, comprising:
(a) a base layer of mat having front and rear surfaces;
(b) a coating of asphaltic material on both front and rear surfaces of the mat;

(c) coatings of granular material on the asphaltic material on both front and rear surfaces which, together with said base layer of mat and coatings of asphaltic material comprise a first thickness layer;
(d) a longitudinal fastening zone between right and left shingle edges, generally intermediate said upper and lower edges;
(e) a generally longitudinal wind-resistant second thickness layer of a substantially thinner dimension than said first thickness layer adhered to said lower surface of said shingle, against the outer surface of granular material on the surface thereof, and extending at least substantially between right and left edges of the shingle;
(f) said wind-resistant layer extending at least partially lower than the fastening zone, toward the lower edge of the shingle; and (g) said wind-resistant layer comprising a material selected from the group consisting of:
(i) thin fabric;
(ii) plastic film;
(iii) paper;
(iv) parchment; and (v) foil reinforcement embedded in the asphaltic layer on the lower surface of the shingle.
19. The shingle of claim 18, wherein the reinforcement is adhered to the lower surface of the shingle by an additional post-applied thin layer of asphaltic or non-asphaltic adhesive.
20. The shingle of any of claims 1 and 2, wherein the wind-resistant layer is adhered to the lower surface of the shingle by a layer of asphaltic material.
CA2448470A 2002-11-06 2003-11-06 Shingle with improved blow-off resistance Expired - Fee Related CA2448470C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/288,747 2002-11-06
US10/288,747 US6758019B2 (en) 2002-11-06 2002-11-06 Shingle with improved blow-off resistance

Publications (2)

Publication Number Publication Date
CA2448470A1 true CA2448470A1 (en) 2004-05-06
CA2448470C CA2448470C (en) 2011-06-14

Family

ID=32175964

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2448470A Expired - Fee Related CA2448470C (en) 2002-11-06 2003-11-06 Shingle with improved blow-off resistance

Country Status (2)

Country Link
US (2) US6758019B2 (en)
CA (1) CA2448470C (en)

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Also Published As

Publication number Publication date
US6758019B2 (en) 2004-07-06
CA2448470C (en) 2011-06-14
US20040083673A1 (en) 2004-05-06
US7118794B2 (en) 2006-10-10
US20040221536A1 (en) 2004-11-11

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