WO2013097121A1 - Appareil de gestion d'eau destiné à un système d'isolation thermique extérieur - Google Patents

Appareil de gestion d'eau destiné à un système d'isolation thermique extérieur Download PDF

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Publication number
WO2013097121A1
WO2013097121A1 PCT/CN2011/084835 CN2011084835W WO2013097121A1 WO 2013097121 A1 WO2013097121 A1 WO 2013097121A1 CN 2011084835 W CN2011084835 W CN 2011084835W WO 2013097121 A1 WO2013097121 A1 WO 2013097121A1
Authority
WO
WIPO (PCT)
Prior art keywords
section
thermal insulation
collection area
layer
cavity
Prior art date
Application number
PCT/CN2011/084835
Other languages
English (en)
Inventor
Xiaoming Wang
Zhiliang Zhang
Original Assignee
Dow Global Technologies Llc
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 Dow Global Technologies Llc filed Critical Dow Global Technologies Llc
Priority to PCT/CN2011/084835 priority Critical patent/WO2013097121A1/fr
Publication of WO2013097121A1 publication Critical patent/WO2013097121A1/fr

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/70—Drying or keeping dry, e.g. by air vents
    • E04B1/7069—Drying or keeping dry, e.g. by air vents by ventilating
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • E04B1/762—Exterior insulation of exterior walls
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/02—Coverings or linings, e.g. for walls or ceilings of plastic materials hardening after applying, e.g. plaster
    • E04F13/04—Bases for plaster
    • E04F13/06—Edge-protecting borders
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/02—Coverings or linings, e.g. for walls or ceilings of plastic materials hardening after applying, e.g. plaster
    • E04F13/04—Bases for plaster
    • E04F13/06—Edge-protecting borders
    • E04F2013/065—Edge-protecting borders for lower edges of outer insulation layers

Definitions

  • the present invention relates to a water management apparatus used in the construction industry. Particularly, the present invention relates to an apparatus which is capable of evacuating infiltrated and condensed water and at the same time venting moisture from thermal insulation material, especially non-combustible material, of an exterior thermal insulation system.
  • EIFS Exterior Insulation Finish System
  • EIFS Exterior Insulation Finish System
  • EIFS normally comprises a thermal insulation layer, an adhesive layer, a basecoat layer and a finish layer.
  • the finish layer such as paint or ceramic tile, is the decorative layer and is the outermost layer of the system.
  • the adhesive layer is used to adhere the thermal insulation layer to a substrate wall.
  • the basecoat layer is applied between the thermal insulation layer and the finish layer and provides protection to the thermal insulation layer.
  • the thermal insulation layer provides thermal insulation to the building and can be EPS (expanded polystyrene) board, XPS (extruded polystyrene) board, polyurethane (PU) foam, rockwool, mineral wool, or glasswool.
  • Non-combustible material such as rockwool, mineral wool and glasswool
  • these non-combustible materials are fibrous and have higher water absorption ratios than other insulation materials.
  • JP1994129025A and FR2547608A disclose similar water drainage devices used in dry-hang exterior insulation system.
  • Such devices comprise a suction tube which has two openings and a passage connecting each other, wherein the first opening is connected to the gap between the finish layer and the insulation layer for collecting condensed and infiltrated water, and the second is connected to the outside of the system and used for discharging water.
  • JP2001065144A discloses a water dripping member having a supporting portion supporting the bottom end of the upper exterior wall panel and a cover portion below said supporting portion covering the upper end of the lower exterior wall panel.
  • Said supporting portion has a water draining hole through which infiltrated water can drip into the space between said supporting portion and said cover portion and, eventually, the water can be drained along the cover portion out of the panel.
  • the present invention provides a water management apparatus for water drainage and moisture ventilation in an exterior thermal insulation system installed on a wall substrate comprising a first section comprising a first collection area on which at least one hole is defined, a second section comprising a second collection area on which at least one hole is defined, a third section defining an opening, and a fourth section through which the apparatus can be attached to the wall substrate, wherein the first section and the second section are separately connected with the fourth section and the second section is located lower than the first section, and therefore, a cavity is defined by the first section, the second section and the fourth section;
  • first section and the second section are separately connected with the third section, and the opening is in fluid communication with the cavity and extends out of the system.
  • the opening has two ends and a passage connecting each other, in which a first end is in fluid communication with the cavity and a second end is in fluid
  • the present invention provides an exterior thermal insulation system comprising a thermal insulation layer having thermal insulation material, an adhesive layer, a finish layer, and at least one water management apparatus of the first aspect, the thermal insulation layer is attached to a wall substrate with the adhesive layer and the finish layer is the outermost surface of the system,
  • the apparatus is attached onto the wall substrate through the fourth section of the apparatus;
  • first section and the second section extend away from the wall through the adhesive layer, the thermal insulation layer and the finish layer;
  • first collection area of the first section is substantially horizontal and contacts the cross section of the thermal insulation layer above the apparatus, and therefore the cavity is in fluid communication with thermal insulation material of the thermal insulation layer above the apparatus through the holes on the first collection area;
  • the second collection area of the second section is substantially horizontal and contacts the cross section of the thermal insulation layer below the apparatus and therefore the cavity is in fluid communication with thermal insulation material of the thermal insulation layer below the apparatus through the holes on the second collection area.
  • An exterior thermal insulation system having the apparatus of the present invention installed is capable of draining infiltrated and condensed water, and at the same time venting moisture within the insulation material out of the system. Therefore moisture accumulation can be minimized or avoided entirely. Further, the apparatus can also play a role in supporting the system, particularly the thermal insulation panel above the apparatus. In addition, due to a "Roman nose" design, outside water cannot enter into the system through the apparatus.
  • FIG.l illustrates one embodiment of the inventive water management apparatus.
  • FIG.2 illustrates the sectional view of the embodiment of FIG.l.
  • FIG.3 illustrates the sectional view of an EIFS having the embodiment of FIG.l installed.
  • An "exterior thermal insulation system” is a thermally insulated, protective, exterior cladding system, often having a decorative finish, which comprises thermal insulation material installed on the external wall surface of a building, and therefore achieve required thermal insulation performance.
  • EIFS External Thermal Composite Insulation Systems
  • EIFS External Thermal Composite Insulation Systems
  • EIFS comprises a thermal insulation layer, an adhesive layer, a basecoat layer and a finish layer.
  • the thermal insulation layer is attached onto a wall substrate with the adhesive layer.
  • the basecoat layer is normally a mortar layer applied between the thermal insulation layer and the finish layer and provides protection to the thermal insulation layer.
  • the finish layer is typically attached with the thermal insulation layer with the basecoat layer. But in some exterior thermal insulation systems, the basecoat layer can be absent.
  • the finish layer is attached to the thermal insulation layer with an adhesive or with mechanical fasteners.
  • All layers can be prepared on-site directly onto a wall substrate, or can be prefabricated into thermal insulation panels before installation onto a wall.
  • a "thermal insulation layer” or “thermal insulation board” means thermal insulation materials which are typically in the form of board. Normally, the thermal insulation material can be EPS, XPS, polyurethane foam, phenolic foam, rockwool, mineral wool or glasswool, all of which can provide thermal insulation to a building.
  • Thermal insulation panel is typically prefabricated in a controlled environment and normally comprises a thermal insulation layer, a basecoat mortar layer and a decoration layer.
  • the basecoat layer with or without assistance of adhesives, is also used as an adhesive to attach the other two layers together.
  • the prefabricated panels Upon installation, the prefabricated panels will attach to a wall substrate with an adhesive layer or mechanical fasteners, or both.
  • “Finish layer”, also often referred to as “ decoration layer”, is the outermost surface when an EIFS is applied on a wall substrate. It is usually a layer of ceramic tiles, a coating or other such finishing/decorative materials.
  • Non-combustible insulation material means fire resistant materials used for thermal insulation in exterior thermal insulation systems, which are classified as Class Al or A2 under China National Code GB 8624-2006, "Classification for Burning Behavior of Building Materials and Products", and includes materials such as rockwool, mineral wool and glasswool.
  • the first section of the water management apparatus can be in any form as long as it is capable of receiving infiltrated or condensed water dripped from the thermal insulation material located above.
  • the first section can comprise a first collection area on which at least one hole is defined.
  • the first collection area is located in the first section in such a position that the water drops will directly drip onto the area and assemble into larger drops, and then slip into the hole.
  • the shape of the first collection area and it can be in any shape, such as round, triangle, rectangle, or trapezoid.
  • the first collection area is substantially horizontal.
  • substantially horizontal means an area or a surface extending at an angle of 90° ⁇ 105° relative to the direction vertical to the ground ("vertical direction"). That means that, upon installation on a wall substrate, the first collection area extends away from the wall substrate at an angle of 90° ⁇ 105° relative to the wall substrate above the apparatus. The water drops dripped onto the area can roll and easily assemble into larger drops, and then slip into the holes. More preferably, when the apparatus is mounted on a wall substrate, the first collection area is angled downward away from the wall at an angle of 91° ⁇ 95° relative to the wall substrate above the apparatus.
  • the second section of the water management apparatus can be in any form as long as it is capable of receiving and discharging moisture from the thermal insulation material located below the apparatus.
  • the second section of the water management apparatus Upon installation on a wall substrate, the second section of the water management apparatus is lower than the first section.
  • the second section can comprise a second collection area on which at least one hole is defined. The area is located in the second section in such a position that it is directly exposed to the moisture rising up from the thermal insulation below the apparatus.
  • the second collection area can be in any shape, such as round, triangle, rectangle, or trapezoid.
  • the second collection area is substantially horizontal or extends downward away from the wall substrate.
  • Downward here means extending obliquely away from the wall below the apparatus at an angle of 0° ⁇ 70°.
  • the second collection area corresponds to the first collection area of the first section, which means the two areas have the same shape and are parallel to each other.
  • the first collection area of the first section is a rectangle area extending obliquely away from the wall at an angle of 92° relative to the wall substrate above the apparatus
  • the second collection area of the second section is also a rectangle area in parallel with the first collection area of the first section, which means the second collection area of the second section also extends obliquely away from the wall at an angle of 92° relative to the wall substrate above the apparatus.
  • Both the first section and the second section separately define at least one hole thereon. If more than one hole is defined, the holes are preferably evenly distributed on the first collection area of the first section and the second collection area of the second section. The holes on the first and second sections are in fluid communication with the cavity.
  • the fourth section of the apparatus is used to attach the apparatus onto a wall substrate.
  • the fourth section comprises a planar section in parallel with the wall and has at least one hole defined thereon. Therefore the apparatus can be installed onto the wall by a bolt through the hole on the planar section of the fourth section.
  • the first section and the second section are separately connected with the fourth section of the apparatus, and the second section is located lower than the first section.
  • the first section and the second section together with the fourth section define a cavity.
  • the cavity is defined by an upper surface defined by the first collection area of the first section, a lower surface defined by the second collection area of the second section, a back surface defined by the fourth section, two lateral surfaces which extend away the wall along vertical direction, and a front surface on which the cavity is connected with the opening of the third section.
  • the side view of the cavity is a parallelogram.
  • the two lateral surfaces can be closed or open. If open, upon installation of the apparatus onto a wall substrate, the joint between two adjacent apparatuses can be sealed, such as by a sealant or by mechanical parts.
  • the first section and the second section are connected with the third section separately.
  • the third section of the apparatus defines an opening which has two ends and a passage connecting each other, wherein a first end is in fluid communication with the cavity and a second end extends and is in fluid communication with outside the exterior thermal insulation system. Therefore the water and moisture entering into the cavity can be discharged through the opening out of the system.
  • the opening is in the form of a "Roman nose", which means the passage is substantially horizontal at the first end and extends downward at the second end. In this manner, outside water, such as raindrops, cannot enter into the cavity of the apparatus through the opening.
  • the third section is a downward extension of the first section and the second section, and in this way the opening of the third section becomes the downward extension of the cavity.
  • the fourth section Upon installation of the apparatus in an exterior thermal insulation system, the fourth section attaches with a wall substrate, and the first section and the second section extend away from the wall along the cross section of the system, that is to say extending along the substantially horizontal direction through the adhesive layer, the thermal insulation layer, the basecoat mortar layer (if present) and the finish layer.
  • the third section extends away from the wall out of the finish layer.
  • the apparatus can be positioned within one thermal insulation panel or between panels.
  • the apparatus In order to discharge the water and moisture from thermal insulation material, the apparatus is designed and positioned such that the collection areas on the first section and the second section contact with the cross section of the thermal insulation layer.
  • Such design can facilitate the entering of water and moisture within the thermal insulation layer into the cavity.
  • cross section means the surfaces of an upper panel and a lower panel adjacent to each other, which are parallel to each other and define the joint between the two panels.
  • the hole on the second section is positioned nearer to the wall substrate than the hole on the first section.
  • the infiltrated and condensed water within the thermal insulation material above the apparatus can enter into the cavity through the holes of the first section; the moisture within the thermal insulation material below the apparatus can enter into the cavity through the holes of the second section. Further, the water entering into the cavity through the hole of the first section will not leak from the hole on the second section back into the thermal insulation material below the apparatus.
  • the hole of the first section can receive the water dripped from the thermal insulation material above the apparatus.
  • the moisture in the thermal insulation material above the apparatus can also enter into the holes of the first section and eventually discharged out of the system.
  • the hole of the second section can receive the moisture rising up from the thermal insulation material below the apparatus. Such moisture can be vapor infiltrated from outside the system or transformed from water existing in the system.
  • FIG. 1 illustrates one example of the water management apparatus of the present invention.
  • the first section 101 and the second section 102 are rectangle from the top view. Holes 103 and holes 104 are defined separately on the first section 101 and the second section 102. One part of the first section 101 is deliberately removed so that the second section 102 is visible in this figure.
  • the fourth section 105 is separately connected with the first section 101 and second section 102 at an angle of 92°. Holes 106 are defined on the fourth section 105. It is shown that the holes 104 of the second section 102 are located nearer to the fourth section 105 (i.e. nearer to the wall substrate) than the holes 103 of the first section 101.
  • FIG.2 is the sectional view of the apparatus of FIG.l. It is shown that the first section 101 and the second section 102 are parallel to each other and extend obliquely away from the fourth section 105 (i.e. away from the wall substrate) at an angle of 92°. The first section 101 and the second section 102 extend to form the third section 107 which defines an opening 108 extending downward.
  • FIG. 3 illustrates the sectional view the apparatus of FIG.l upon installation on EIFS.
  • the apparatus is installed by a bolt 207 through the fourth section 105 onto a wall substrate 204.
  • the apparatus is located between an upper panel 201 and a lower panel 301.
  • the first section and the second section (not marked) of the apparatus extend through the adhesive layer 203, the thermal insulation layer 202, the basecoat layer 205 and the finish layer 206 to form the third section 107.
  • the third section 107 defines an opening extending
  • the collection areas on the first section and the second section (not marked) are preferably located within the thermal insulation layer 202. Therefore the infiltrated and condensed water within the thermal insulation layer of the upper panel 201 can enter into the cavity of the apparatus through the holes of the first section (not marked). The moisture within the thermal insulation layer of the lower panel 301 can enter into the cavity of the apparatus through the holes of the second section (not marked). Eventually the water and moisture entered into the cavity can be discharged out of the system through the opening of the third section 107.
  • the apparatus of the present invention can also play a role in supporting the upper panel 201.
  • Natural material such as metal, or synthesized material, such as plastics, can be used to make the apparatus.
  • the apparatus can be made of any material selected from a group consisting of polyethylene, polypropylene, and acrylonitrile -butadiene- styrene (ABS), aluminum, aluminum alloy, stainless steel and copper.
  • ABS acrylonitrile -butadiene- styrene
  • An exterior thermal insulation system having the apparatus of the present invention installed is capable of draining infiltrated and condensed water, and at the same time venting moisture within the insulation material out of the system. Therefore moisture accumulation can be minimized or avoided entirely.
  • the apparatus can also play a role in supporting the system, particularly the thermal insulation panel above the apparatus. Due to the Roman nose design, outside water cannot enter into the system through the apparatus.
  • the sections of the apparatuses extending out of the finish layer can be grouped into certain patterns and therefore bring good appearance to the outer surface of the system.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Acoustics & Sound (AREA)
  • Building Environments (AREA)

Abstract

L'invention concerne un appareil de gestion d'eau destiné à l'évacuation de l'eau et à la ventilation de l'humidité dans un système d'isolation thermique extérieur installé sur un substrat de mur (204) comprenant une première section (101) définissant au moins un trou (103), une deuxième section (102) définissant au moins un trou (104), une troisième section (107) définissant une ouverture (108), et une quatrième section (105) qui est fixée au substrat de mur (204), une cavité étant définie par la première section (101), la deuxième section (102) et la quatrième section (105), et pour cette raison, l'eau et l'humidité existant dans le système peuvent pénétrer dans la cavité à travers les trous (103, 104) et être évacuées du système à travers l'ouverture (108).
PCT/CN2011/084835 2011-12-28 2011-12-28 Appareil de gestion d'eau destiné à un système d'isolation thermique extérieur WO2013097121A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2011/084835 WO2013097121A1 (fr) 2011-12-28 2011-12-28 Appareil de gestion d'eau destiné à un système d'isolation thermique extérieur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2011/084835 WO2013097121A1 (fr) 2011-12-28 2011-12-28 Appareil de gestion d'eau destiné à un système d'isolation thermique extérieur

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WO2013097121A1 true WO2013097121A1 (fr) 2013-07-04

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104929247A (zh) * 2015-06-16 2015-09-23 大连翼兴节能科技股份有限公司 新型透气式射钉
DE102015003308A1 (de) * 2015-03-13 2016-09-15 Daw Se Abschlussleiste und Verfahren zum Montieren einer Abschlussleiste
US10202774B2 (en) 2015-04-17 2019-02-12 B R Testing Limited Fitting external insulation systems to buildings
US11299891B1 (en) * 2020-11-30 2022-04-12 Knight Wall Systems Thermal isolation girts and related systems and methods
USD963894S1 (en) 2020-11-30 2022-09-13 Knight Wall Systems Mounting bracket

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2547608A1 (fr) * 1983-06-17 1984-12-21 Etude Rech Etancheite Batimen Dispositif d'evacuation d'eau d'infiltration dans un mur de batiment et mur incorporant un tel dispositif
JP2009270273A (ja) * 2008-04-30 2009-11-19 Kubota Matsushitadenko Exterior Works Ltd 断熱壁構造
CN201627274U (zh) * 2010-02-10 2010-11-10 安徽省根源光大节能建材有限公司 通气塞
GB2471082A (en) * 2009-06-15 2010-12-22 Kieran Gannon Combined lintel and cavity tray
CN201981654U (zh) * 2010-08-25 2011-09-21 南京能益节能科技有限公司 一种新型封导水条

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2547608A1 (fr) * 1983-06-17 1984-12-21 Etude Rech Etancheite Batimen Dispositif d'evacuation d'eau d'infiltration dans un mur de batiment et mur incorporant un tel dispositif
JP2009270273A (ja) * 2008-04-30 2009-11-19 Kubota Matsushitadenko Exterior Works Ltd 断熱壁構造
GB2471082A (en) * 2009-06-15 2010-12-22 Kieran Gannon Combined lintel and cavity tray
CN201627274U (zh) * 2010-02-10 2010-11-10 安徽省根源光大节能建材有限公司 通气塞
CN201981654U (zh) * 2010-08-25 2011-09-21 南京能益节能科技有限公司 一种新型封导水条

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015003308A1 (de) * 2015-03-13 2016-09-15 Daw Se Abschlussleiste und Verfahren zum Montieren einer Abschlussleiste
US10202774B2 (en) 2015-04-17 2019-02-12 B R Testing Limited Fitting external insulation systems to buildings
CN104929247A (zh) * 2015-06-16 2015-09-23 大连翼兴节能科技股份有限公司 新型透气式射钉
US11299891B1 (en) * 2020-11-30 2022-04-12 Knight Wall Systems Thermal isolation girts and related systems and methods
USD963894S1 (en) 2020-11-30 2022-09-13 Knight Wall Systems Mounting bracket

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