WO2013095751A1 - Shingle inserts and method for eliminating and preventing growth of algae, moss, or lichens on a roof - Google Patents
Shingle inserts and method for eliminating and preventing growth of algae, moss, or lichens on a roof Download PDFInfo
- Publication number
- WO2013095751A1 WO2013095751A1 PCT/US2012/058605 US2012058605W WO2013095751A1 WO 2013095751 A1 WO2013095751 A1 WO 2013095751A1 US 2012058605 W US2012058605 W US 2012058605W WO 2013095751 A1 WO2013095751 A1 WO 2013095751A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- strip
- copper
- shingle
- roof
- growths
- Prior art date
Links
- 230000012010 growth Effects 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 5
- 241000195493 Cryptophyta Species 0.000 title claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 45
- 229910052802 copper Inorganic materials 0.000 claims abstract description 45
- 239000010949 copper Substances 0.000 claims abstract description 45
- 239000000463 material Substances 0.000 claims abstract description 15
- 239000000126 substance Substances 0.000 claims abstract description 10
- 231100000331 toxic Toxicity 0.000 claims abstract 4
- 230000002588 toxic effect Effects 0.000 claims abstract 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 150000004699 copper complex Chemical class 0.000 claims description 3
- 241000233866 Fungi Species 0.000 claims description 2
- 230000035515 penetration Effects 0.000 claims description 2
- 238000007373 indentation Methods 0.000 claims 2
- 231100000167 toxic agent Toxicity 0.000 claims 2
- 239000003440 toxic substance Substances 0.000 claims 2
- 239000007787 solid Substances 0.000 abstract description 5
- 239000003619 algicide Substances 0.000 description 12
- 239000008187 granular material Substances 0.000 description 7
- 239000002184 metal Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 description 2
- 241000237503 Pectinidae Species 0.000 description 2
- 229910001431 copper ion Inorganic materials 0.000 description 2
- 230000009422 growth inhibiting effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 235000020637 scallop Nutrition 0.000 description 2
- 241001034623 Vesicularia reticulata Species 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/002—Provisions for preventing vegetational growth, e.g. fungi, algae or moss
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D7/00—Roof covering exclusively consisting of sealing masses applied in situ; Gravelling of flat roofs
- E04D7/005—Roof covering exclusively consisting of sealing masses applied in situ; Gravelling of flat roofs characterised by loose or embedded gravel or granules as an outer protection of the roof covering
-
- 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
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12361—All metal or with adjacent metals having aperture or cut
Definitions
- This invention concerns treating shingled roofs for deterring the growth of algae, moss, lichens or fungus. Such growths can be unsightly and also damage asphalt shingles by loosening the granules embedded therein which loss shortens the service life of a roof.
- Spraying algaecides on the roof shingles can quickly kill those growths which have built up over a period of years.
- Copper or zinc strips have long been used to inhibit such growths on roof coverings. These strips often only effective for a few courses of shingles such that multiple rows of strips are required. In addition, these strips act slowly and cannot quickly eliminate an existing buildup of such growths if the strips are installed later after the roof itself has been installed.
- the object of the present invention is to provide a more effective shingle insert strip configuration for such applications which also can provide for elimination of a preexisting buildup of growths as well as inhibit the start of such growths on roofs for a greater distance down the roof.
- a shingle insert preferably constructed of copper sheet strips combined with an underlayer of a strip of copper mesh.
- the copper sheet strip portion is formed with a lengthwise extending hump intermediate its width which will temporarily impound a portion of the dew or rainwater moving down the roof to lengthen the time that the water remains in contact with the copper.
- the copper screen is formed with a tubular pocket along its lower edge which is disposed within the hump. The pocket can have a rod of algaecide implaced therein which will be released by rainwater flowing beneath the copper strip and over the inserted rod.
- the copper screen strip extends above the upper edge of the copper sheet strip and beneath a course of shingle to provide a nailing tab and is secured as with an adhesive to the copper sheet strip the space beneath the hump is adapted to enclose a mass of a chemical algaecide such as a copper complex that will relatively quickly kill growths described when absorbed by rainwater descending the roof which passes through and over the chemical and releases a substance powerful enough to quickly kill existing roof growths.
- the copper strips will release copper ions which will continue to inhibit the reestablishment of growths for long periods.
- the shingle insert sheet strip portions are configured to have crosswise oriented elongated depressions which also capture moisture with the sides forming narrow slots which allow penetration of rainwater runoff through the strip.
- the slots are narrow enough so that surface tension creates a tendency to hold dew or rainwater briefly to increase the time of residence of water in contact with the copper.
- the lengthwise hump feature also slightly impounds the rainwater runoff to create substantial contact of the water with the algaecide chemical material to create a greater absorption.
- the bottom layer of copper mesh underlies the copper sheet strip to close off the space defined by hump, creating a confined space to retain granules or to enclosure a solid rod during handling and installation while allowing through flow of rainwater and easing the installation of the strips.
- Figure 1 is a fragmentary pictorial view of a section of a shingled roof having a single course of shingle inserts according to the present invention installed thereon.
- Figure 2 is an enlarged partially broken away pictorial view of one embodiment of shingle insert of the invention installed over a roof section.
- Figure 3 is a fragmentary pictorial view partially broken away of another embodiment of a shingle insert according to the invention.
- Figure 4 is an enlarged partially broken away pictorial view of a shingle insert installed on a roof section containing a solid mass of algaecide chemical material.
- Figure 5 is a fragmentary pictorial broken away view of another embodiment of a shingle insert according to the present invention.
- Figure 6 is an enlarged plan view of one of the depression formed into the copper sheeting strip portion.
- Figure 7 is an enlarged view of a section 7-7 taken though the depression shown in Figure
- Figure 1 shows a series of shingle inserts 10 according to the invention, installed on a roof with an upper projecting edge portion nailed beneath a course of shingles 12 near the top of the roof 14, with a main portion overlying the next lower course of shingles 12A.
- One or more additional courses of shingle inserts 10 may be installed in shingle courses at locations down the roof as necessary, but the improved effectiveness of the strips according to the invention minimizes such need.
- FIG. 2 shows additional details of the shingle inserts 10, each of which is comprised of a doubled outer layer 16 of copper mesh.
- the lower edge thereof has a series of gentle scallops is provided for allowing a substantial area exposed dew or to rainwater runoff to enhance the long term effects thereof in keeping the roof clear of growths while maintaining an acceptable appearance.
- a crosswise hump 18 is formed into the top outer layers 16 for the full length of each of the shingle insert strips 10.
- a bottom undercover layer 20 of copper mesh extends beneath the double layers 16 and protruding above the upper edge 22 of the double layers 16, and covering the bottom of the space A formed by the lengthwise hump 18 to allow retention of chemical material in the space as described below.
- the undercover layer 20 is preferably attached to the upper layers 16 as with adhesive caulk, soldering or spot welding.
- the protruding upper edge 24 of the bottom layer 20 is inserted beneath the lower edge of the course of shingles 12, which can be raised up to enable nailing the strip 24 through the upper part of the next down course of shingles 12A and into the roof deck 26 as shown.
- the confined space A is initially filled with granules of an algaecide material which will dispense an algaecide substance down the roof by rainwater percolating through the shingle insert strip openings and also through the granules themselves.
- a preferred algaecide is described in U.S. patent 3,930,834, incorporated herein by reference, which is commercially available under the trademark CUTRINE - PLUS (TM) available from Applied Biochemists of Germantown Wisconsin. This material is described as a "copper complex" which releases elemental copper.
- This material dispenses copper into rainwater runoff which results in a rapid die off of the various growths, i.e. moss, algae, lichens, which can grow on roofs.
- FIG. 3 Another embodiment of a shingle insert strip 27 is shown in Figure 3, in which a copper sheet strip 28 is used which has a series of depressions with slots 29 stamped therein to allow rainwater to penetrate through the sheet and into a lengthwise hump 18A and into space A which is packed with algaecide granules as described above.
- a copper mesh bottom strip 24A is attached to close off the space A and hold the granules therein.
- the strip 24A has a protruding edge for nailing as in the above described embodiment.
- the ends 30 of the strip 24A are wrapped over the ends (only one end shown) to close off the ends of the space A and prevent escape of the algaecide granules.
- the sheet 28 is also formed with a series of scallops 29 along its bottom edge to provide a large area exposed to moisture run off while maintaining a good appearance.
- the algaecide could be formed into a solid rod 32 inserted beneath the hump 16.
- the hump 18 tends to briefly impound the dew and rainwater runoff so as to increase the time of contact of water with the copper metal and enhance the inhibiting effect on any growths on the roof in the manner generally known.
- a shingle insert 34 which includes a top strip 36 of thin copper sheet (approximately 1/32 of an inch thick) several inches wide.
- the depressions 39 (which are about 1 ⁇ 2 inches long) are formed with a vertical shape such that the metal tears to form narrow slots 42 on the order of slightly over 1/32 inch high which is the approximate depth of the slots 42. These narrow slots allow water received in the depressions 38 to seep out after some delay to increase the time the water from dew or rain remains in contact with the copper metal of the sheet strip.
- a copper mesh underlayer strip 46 is secured as by adhesive caulk patches 44 to an upper portion of the copper sheet strip 36 and protruding above the upper edge, providing a nailing strip 46, which is inserted beneath the lower edge of a course of shingles.
- a semi tubular hump 48 is formed into the copper sheet strip 36 intermediate its width as measured uproof extending the complete length of the insert thereof. This provides an effect of impounding temporarily runoff water as in the above embodiments.
- the copper mesh underlayer 46 has a lower side rolled into a tube 50 which is disposed within the space 52 defined beneath the hump 48.
- a rod of solid algaecide 54 can be inserted into the tube 50 as shown in Figure 5 if there is an existing heavy growth on the roof when the shingle inserts 34 are being installed.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biotechnology (AREA)
- Catching Or Destruction (AREA)
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP12860164.8A EP2795014A4 (de) | 2011-12-19 | 2012-10-04 | Schindeleinsätze und verfahren zur beseitigung und verhinderung von algenwachstum, moos oder flechten auf einem dach |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/329,729 US20120192510A1 (en) | 2010-12-20 | 2011-12-19 | Shingle Insert Strips And Method For Eliminating and Prevent Growth of Algae, Moss, or Lichens on a Roof |
US13/329,729 | 2011-12-19 | ||
US13/546,056 | 2012-07-11 | ||
US13/546,056 US20120324807A1 (en) | 2010-12-20 | 2012-07-11 | Shingle Inserts And Method For Eliminating and Preventing Growth of Algae, Moss, or Lichens on a Roof |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2013095751A1 true WO2013095751A1 (en) | 2013-06-27 |
Family
ID=48653007
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2012/058605 WO2013095751A1 (en) | 2011-12-19 | 2012-10-04 | Shingle inserts and method for eliminating and preventing growth of algae, moss, or lichens on a roof |
Country Status (4)
Country | Link |
---|---|
US (1) | USD864423S1 (de) |
EP (1) | EP2795014A4 (de) |
CA (1) | CA2791532C (de) |
WO (1) | WO2013095751A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202015009559U1 (de) | 2015-02-09 | 2018-04-10 | Technolit Gmbh | Zusammensetzung zur Entfernung von Flechten |
USD906552S1 (en) * | 2018-12-21 | 2020-12-29 | James Hardie Technology Limited | Flashing device |
USD1025407S1 (en) * | 2021-10-05 | 2024-04-30 | Bott GmbH & Co. KG | Perforated panel |
Citations (5)
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US20020098110A1 (en) * | 2000-11-30 | 2002-07-25 | Graham William David | Exterior panels containing algae-inhibiting properties |
EP1389659A1 (de) * | 2002-08-11 | 2004-02-18 | Hugo Weber | Reinigungsvorrichtung zum Aufbringen auf eine dem Wetter ausgesetzte Oberfläche |
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EP1887159A1 (de) * | 2006-08-07 | 2008-02-13 | Hugo Weber | Wetterunabhängige Reinigungsvorrichtung |
US7788870B1 (en) * | 2006-12-20 | 2010-09-07 | David Spencer | Method and roofing strip for retarding moss, fungi, and algae growth on roofs |
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2012
- 2012-10-03 CA CA 2791532 patent/CA2791532C/en active Active
- 2012-10-04 EP EP12860164.8A patent/EP2795014A4/de not_active Withdrawn
- 2012-10-04 WO PCT/US2012/058605 patent/WO2013095751A1/en active Application Filing
-
2015
- 2015-06-22 US US29/530,892 patent/USD864423S1/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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US20020098110A1 (en) * | 2000-11-30 | 2002-07-25 | Graham William David | Exterior panels containing algae-inhibiting properties |
EP1389659A1 (de) * | 2002-08-11 | 2004-02-18 | Hugo Weber | Reinigungsvorrichtung zum Aufbringen auf eine dem Wetter ausgesetzte Oberfläche |
US20070039252A1 (en) * | 2005-08-08 | 2007-02-22 | Building Materials Investment Corporation | Fungus strip |
EP1887159A1 (de) * | 2006-08-07 | 2008-02-13 | Hugo Weber | Wetterunabhängige Reinigungsvorrichtung |
US7788870B1 (en) * | 2006-12-20 | 2010-09-07 | David Spencer | Method and roofing strip for retarding moss, fungi, and algae growth on roofs |
Non-Patent Citations (1)
Title |
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See also references of EP2795014A4 * |
Also Published As
Publication number | Publication date |
---|---|
EP2795014A4 (de) | 2015-07-29 |
USD864423S1 (en) | 2019-10-22 |
CA2791532A1 (en) | 2013-06-19 |
EP2795014A1 (de) | 2014-10-29 |
CA2791532C (en) | 2015-04-14 |
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