WO2008101191A2 - Matériau étanche à fixation mécanique et à adhérence provisoire - Google Patents

Matériau étanche à fixation mécanique et à adhérence provisoire Download PDF

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Publication number
WO2008101191A2
WO2008101191A2 PCT/US2008/054131 US2008054131W WO2008101191A2 WO 2008101191 A2 WO2008101191 A2 WO 2008101191A2 US 2008054131 W US2008054131 W US 2008054131W WO 2008101191 A2 WO2008101191 A2 WO 2008101191A2
Authority
WO
WIPO (PCT)
Prior art keywords
weather barrier
building surface
barrier sheet
adhesive layer
flexible
Prior art date
Application number
PCT/US2008/054131
Other languages
English (en)
Other versions
WO2008101191A3 (fr
Inventor
Jyoti Seth
Original Assignee
W.R. Grace & Co.-Conn.
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 W.R. Grace & Co.-Conn. filed Critical W.R. Grace & Co.-Conn.
Publication of WO2008101191A2 publication Critical patent/WO2008101191A2/fr
Publication of WO2008101191A3 publication Critical patent/WO2008101191A3/fr

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D12/00—Non-structural supports for roofing materials, e.g. battens, boards
    • E04D12/002—Sheets of flexible material, e.g. roofing tile underlay
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B1/00—Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings
    • E06B1/62—Tightening or covering joints between the border of openings and the frame or between contiguous frames
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B1/00—Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings
    • E06B1/62—Tightening or covering joints between the border of openings and the frame or between contiguous frames
    • E06B2001/628—Separate flexible joint covering strips; Flashings

Definitions

  • the present invention relates to weather barrier materials, particularly flashing tapes, having pressure-sensitive adhesive surfaces for aiding in their installation.
  • the present invention relates to a method of installing a flashing tape onto a building surface proximate to an opening in a building structure.
  • weather barrier materials it is known in the construction industry to use weather barrier materials to provide protection from water intrusion.
  • the commonly known materials are felt and roofing underlayments for roof, weather resistive barriers, also known as house wraps for the sheathing and door and window flashings in the rough openings in the building structures. These materials are available either/or both as self- adhered comprising a thick adhesive for permanent adhesion or mechanically affixed with aid of mechanical fasteners like staples and nails.
  • mechanically fastened materials are preferred over self-adhered due to cost or compatibility issues.
  • These mechanically attached materials are attached to the substrate by the use of fasteners such as nails or staples. This requires holding one end of the material with one hand while fastening it with a fastening tool with the other hand.
  • fasteners such as nails or staples.
  • Such an installation method requires a number of steps, is tedious and slow, and can be difficult to obtain a high quality installation, particularly when long lengths of material are being installed. To obtain a high quality installation, a skilled experienced installer is generally required.
  • the present invention is directed to a method of installing a weather barrier sheet, such as a flashing tape, onto a building surface (typically an exterior surface) of a building structure.
  • a weather barrier sheet such as a flashing tape
  • the building surface will typically be proximate to an opening (e.g., a door or window opening) in a building structure.
  • the method includes: providing a roll of flexible weather barrier sheet (e.g., flashing tape), wherein the flexible weather barrier sheet (e.g., flashing tape) comprises a flexible substrate with an adhesive layer on one surface of the flexible substrate, wherein the adhesive layer has sufficiently low adhesion such that the weather barrier sheet (e.g., flashing tape) may be easily unrolled without the need for a removable release liner and may be removably adhered to the building surface; unrolling a portion of the flexible weather barrier sheet (e.g., flashing tape) and positioning it onto the building surface such that the adhesive layer contacts the building surface and removably adheres the weather barrier sheet (e.g., flashing tape) to the building surface until it can be permanently fastened thereto; and permanently fastening the weather barrier sheet (e.g., flashing tape) to the building surface with mechanical fasteners.
  • a roll of flexible weather barrier sheet e.g., flashing tape
  • the flexible weather barrier sheet e.g., flashing tape
  • the flexible weather barrier sheet advantageously may be repositioned, as necessary, onto the building surface prior to permanently fastening it.
  • the flexibe weather barrier sheet may be cut to an appropriate length either before or after positioning it onto the building surface.
  • the adhesive used on the weather barrier sheets of the present invention is present only to provide an aid in the installation, thus permitting the product to be installed by a less skilled installer and increase the speed of installation.
  • Fig. 1 is a schematic diagram of a flashing tape in accordance with one embodiment of the present invention.
  • Fig. 2 is a schematic diagram of a flashing tape in accordance with another embodiment of the present invention.
  • a flashing tape 10 of the present invention comprises an adhesive layer 14 coated onto a flexible carrier substrate 12.
  • a third layer of non-removable release coating 16 is optional if one desires to further reduce the adhesion of the tape to itself, thus reducing the force necessary to unroll the tape.
  • the term "coated” or “coating” with respect to the adhesive layer is intended to cover all types of coating applications in which a layer of one material is applied or attached to a layer of another material, including brushing, rolling, roller coating, spraying, dipping, laminating, extruding, coextruding, etc.
  • Flashing tapes typically have a width of about 4 in. to about 12 in. and are generally sold in rolls of various lengths (e.g., 25 to 300 feet).
  • the flexible substrate 12 may optionally be coated with a non-removable release coating, which differs from conventional removable release liners, to aid in the release of the carrier sheet from itself.
  • the flexible substrate 12 may be any material suitable for use as a weather barrier sheet, preferably a flashing tape. Typically such a material will be substantially impervious to moisture.
  • the material may be woven or non- woven cloth, mesh or paper made from natural or synthetic fibers and can be coated with a material to improve its ability to be impervious to water such as a polyvinyl chloride polymer or an elastomer like EPDM rubber.
  • the woven or non-woven cloth can also be uncoated and substantially impervious to water like Gore-Tex.RTM. or non-woven polyethylene.
  • the material can also be polymeric film including, for example, polyolefins, polyamides and other polymers.
  • the polymeric films may also be metallized or non-metallized.
  • foils may be used.
  • the substrate 12 advantageously may also be vapor impermeable and generally stable in the presence of ultra-violet light (UV).
  • the material may optionally be creped, wrinkled or stretchable before adhesive is applied so that the material is elongatable.
  • the substrate 12 is provided in a thickness that is sufficient to prevent moisture from penetrating the flashing tape to the underlying building surface that one is trying to protect.
  • the determination of sufficient substrate thickness is dependent, at least in part, on the application, the environment, and materials in which the substrate is to be used.
  • the thickness of the substrate layer is about 0.03 to 5 mm and more preferably between about 0.1 to 1 mm.
  • the adhesive layer 14 can comprise one or more adhesive materials suitable for adhesion to the surface of building materials (e.g., wood, composite wood panels, OSB, masonry, aluminum, vinyl, steel, drywall, and vapor barrier).
  • the adhesive layer 14 can be formed from any type or combination of adhesives.
  • Exemplary adhesive materials may comprise rubber modified bitumen or synthetic adhesives, as known in the art, having a thickness of 0.25- 5 mils (0.006-0.13 mm), and more preferably 0.5-2.0 mils (0.013-0.05 mm).
  • exemplary adhesives include butyl rubber, polyisobutylene, acrylic, vinyl ether, styrene-isoprene-styrene (SIS), styrene-butadiene-styrene (SBS), styrene-ethylene-butylene-styrene (SEBS), ethylene-propylene-diene monomer, and combinations thereof.
  • No particular adhesive is preferred as long as the adhesive properties, or the amount and topography employed, make it a temporary repositionable adhesive, that is the flashing tape must be easily removed and reapplied as necessary to achieve the proper placement.
  • the adhesive layer has sufficiently low adhesion such that the flashing tape may be easily unrolled without the need for a removable release liner and may be removably adhered to the building surface.
  • the ultimate attachment of the adhesively coated article is still performed by mechanical fasteners.
  • the flexible substrate 22 comprises a woven mesh coated with continuous polyolefin based coating 26 with release characteristics.
  • the bottom side of the woven mesh is optionally coated with polyolefin coating 28.
  • the polyolefin coating is further coated with adhesive layer 24, preferably at a thickness of about 1 mil (0.025 mm).
  • the preferred adhesive will adhere to the building surface with a force of less than 0.25 pli (pounds per linear inch), preferably 0.05 to 0.20 pli, most preferably less than 0.10 pli, and will permit the flashing tape to be repositionable.
  • Repositionable adhesive requirements are well documented in the literature (e.g., Handbook of Pressure Sensitive Adhesive Technology, D. Satas, 1999, pp. 182-192). Typical repositionable adhesives are formulated to have a high storage modulus
  • the adhesive layer 14 or 24 may be a continuous layer over the entire surface of the flexible substrate, or it may be a discontinuous layer. If a discontinuous layer, the adhesive layer may be employed in any suitable topography and may form a pattern, for example a pattern selected from stripes, dots, blocks, triangles, diamonds, rectangles, ovals, circles, or a combination thereof.
  • a discontinuous pattern is advantageous because it permits use of a stronger adhesive material, but wherein such adhesive material is deployed in a topographical pattern that provides relatively weak overall adhesion, thus allowing the weather barrier sheet to be repositionable.
  • the concept of the present invention can be used for any mechanically attached weatherproofing sheet material like roofing underlayment, housewrap, flashing etc, but the preferred application is window and door flashing.
  • the present method which utilizes a flashing with a slight adhesive for placement, allows the installer to first position the tape, then fasten it while it self-adheres to the structure. This greatly simplifies and speeds up the installation, thus allowing the installer to complete more door and window openings in a shorter period of time.
  • the temporary adhesive works like a "third hand," aiding in the installation process and providing a smooth wrinkle free installation.
  • the present invention differs from the conventional self-adhered flashing or other commercially available window tapes by the fact that all other adhesive based tapes use the adhesive layer for permanent adhesion to the substrate.
  • the adhesive is designed to have very limited adhesion to assist installation, while the flashing is permanently affixed to the structure by mechanical fasteners. Any suitable type of mechanical fastener may be used to
  • Typical mechanical fasteners include staples, tacks and nails.
  • Table 1 illustrates some key differences between the flashing tapes of the present invention and those previously known.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Adhesive Tapes (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Finishing Walls (AREA)

Abstract

L'invention décrit un procédé d'installation d'une bande de solin sur une surface de bâtiment à proximité d'une ouverture dans une structure de bâtiment. Le procédé comprend : le fait de fournir un rouleau de bande de solin flexible, la bande de solin flexible comprenant un substrat flexible avec une couche adhésive sur une surface du substrat flexible, la couche adhésive ayant une adhérence suffisamment faible de sorte que la bande de solin puisse être facilement déroulée sans avoir besoin d'une protection antiadhésive et puisse adhérer de façon amovible à la surface de bâtiment; le déroulage d'une partie de la bande de solin flexible et son positionnement sur la surface de bâtiment de sorte que la couche adhésive soit en contact avec la surface de bâtiment et fasse adhérer de façon amovible la bande de solin à la surface de bâtiment jusqu'à ce que la bande de solin puisse y être fixée de façon permanente; et la fixation permanente de la bande de solin à la surface de bâtiment par des moyens de fixation mécaniques.
PCT/US2008/054131 2007-02-16 2008-02-15 Matériau étanche à fixation mécanique et à adhérence provisoire WO2008101191A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US89029807P 2007-02-16 2007-02-16
US60/890,298 2007-02-16

Publications (2)

Publication Number Publication Date
WO2008101191A2 true WO2008101191A2 (fr) 2008-08-21
WO2008101191A3 WO2008101191A3 (fr) 2008-10-23

Family

ID=39689031

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2008/054131 WO2008101191A2 (fr) 2007-02-16 2008-02-15 Matériau étanche à fixation mécanique et à adhérence provisoire

Country Status (2)

Country Link
US (1) US20080196351A1 (fr)
WO (1) WO2008101191A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2483670A (en) * 2010-09-15 2012-03-21 Intelligent Wood Systems Ltd A method of sealing a joist end in a masonry wall

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2224062B9 (fr) * 2009-02-26 2015-10-28 Vestas Wind Systems A/S Fondation d'une éolienne et procédé de fabrication d'une fondation pour éolienne
US20120164417A1 (en) * 2010-12-06 2012-06-28 Berry Plastics Corporation Self-wound tape
US9144954B2 (en) * 2013-02-05 2015-09-29 Innovative Construction Materials (H.K.) Ltd. Anti-skid roof underlayment
US20160145857A1 (en) * 2014-11-26 2016-05-26 Dale A. Dreyer Elastomeric flashing assembly and method for same
US20210162713A1 (en) * 2017-12-07 2021-06-03 Gcp Applied Technologies Inc. Integrated Air Barrier Assembly

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5593771A (en) * 1993-02-09 1997-01-14 Minnesota Mining And Manufacturing Company Barrier laminate and method using a portable carrier for sealing gaps in building construction
US6378259B1 (en) * 1999-12-01 2002-04-30 Douglas Carlson Roofing felt with adhesive on front and rear faces
US6907696B1 (en) * 2002-06-05 2005-06-21 Allan Hutton Caulk application device

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US1868080A (en) * 1930-11-24 1932-07-19 Miller Weatherproof metal casement window
US3380582A (en) * 1965-09-03 1968-04-30 Daubert Chemical Co Insulating article and method
US3581884A (en) * 1967-06-01 1971-06-01 Minnesota Mining & Mfg Pressure-sensitive acoustic door tape
US3540977A (en) * 1968-02-29 1970-11-17 Scholl Mfg Co Inc Self-adhering foam composition
US3705072A (en) * 1970-05-04 1972-12-05 Minnesota Mining & Mfg Underpacking for printing with dimensionally stable plastic core having elastomeric and pressure sensitive outer layers
US3671364A (en) * 1970-07-07 1972-06-20 Norton Co Foam tape applicator
US4484574A (en) * 1984-01-25 1984-11-27 Keene Corporation Self-rolled foam tape without release layer and method of making same
US4653241A (en) * 1985-08-08 1987-03-31 Rene Bindi System for insulating the interior surface of basement walls, structures and components therefor
US4629648A (en) * 1985-10-01 1986-12-16 Minnesota Mining And Manufacturing Co. Extruded caulk strip
JP3592715B2 (ja) * 1993-10-29 2004-11-24 ミネソタ マイニング アンド マニュファクチャリング カンパニー 微細構造化面を有する感圧接着剤

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5593771A (en) * 1993-02-09 1997-01-14 Minnesota Mining And Manufacturing Company Barrier laminate and method using a portable carrier for sealing gaps in building construction
US6378259B1 (en) * 1999-12-01 2002-04-30 Douglas Carlson Roofing felt with adhesive on front and rear faces
US6907696B1 (en) * 2002-06-05 2005-06-21 Allan Hutton Caulk application device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2483670A (en) * 2010-09-15 2012-03-21 Intelligent Wood Systems Ltd A method of sealing a joist end in a masonry wall

Also Published As

Publication number Publication date
US20080196351A1 (en) 2008-08-21
WO2008101191A3 (fr) 2008-10-23

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