EP2189587A1 - Device for covering a building element - Google Patents

Device for covering a building element Download PDF

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Publication number
EP2189587A1
EP2189587A1 EP09290879A EP09290879A EP2189587A1 EP 2189587 A1 EP2189587 A1 EP 2189587A1 EP 09290879 A EP09290879 A EP 09290879A EP 09290879 A EP09290879 A EP 09290879A EP 2189587 A1 EP2189587 A1 EP 2189587A1
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EP
European Patent Office
Prior art keywords
skirt
web
resin
building element
cover
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
EP09290879A
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German (de)
French (fr)
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EP2189587B1 (en
Inventor
José Sautour
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DROPSAWAY
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Individual
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Publication date
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Publication of EP2189587A1 publication Critical patent/EP2189587A1/en
Application granted granted Critical
Publication of EP2189587B1 publication Critical patent/EP2189587B1/en
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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
    • E04D13/15—Trimming strips; Edge strips; Fascias; Expansion joints for roofs
    • E04D13/155—Trimming strips; Edge strips; Fascias; Expansion joints for roofs retaining the roof sheathing
    • 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
    • E04D13/04—Roof drainage; Drainage fittings in flat roofs, balconies or the like
    • E04D13/0404—Drainage on the roof surface
    • E04D13/0459—Drainage borders, e.g. dripping edges, gravel stops or dispersers
    • 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
    • E04D13/04—Roof drainage; Drainage fittings in flat roofs, balconies or the like
    • E04D13/0404—Drainage on the roof surface
    • E04D13/0459—Drainage borders, e.g. dripping edges, gravel stops or dispersers
    • E04D2013/0468—Drip edges

Definitions

  • the invention relates to the waterproof covering of the surfaces of buildings undergoing water infiltration. More specifically, the structure is applied to surfaces forming an outgoing corner.
  • Buildings include exterior elements, which include horizontal surfaces, such as flat roofs, window sills or chimney coping, or any other element that may protrude from the vertical facade of buildings. These surfaces, mostly porous material such as concrete, suffer damage due to water. Indeed, by their horizontality, water, for example rainwater, tends to stagnate on surfaces, promoting a process of infiltration of water and degrading these surfaces.
  • the water infiltrating the horizontal surface extends by capillarity to other areas on the building, and in particular the vertical walls of the building, for example the building facade or the stump body of the chimney cap. , lying under the horizontal surface.
  • the wall material is saturated with water, runoff occurs, affecting the entire wall.
  • chimney caps include mitrons, which can be destabilized by the deformations of the material that surrounds them.
  • the document FR 2 789 419 describes an example of a waterproof resin, for example for a building terrace.
  • the document EP 1 842 959 SOPREMA describes a waterproof resin associated with a veil, this veil being embedded in the resin. The veil is applied near areas forming reentrant angles, so as to ensure the maintenance of the resin in the angle.
  • the horizontal surfaces are associated with edges, for example the edge of a window, forming projections on walls.
  • vertical for example the facade of a building or the stump body of the chimney cap.
  • the rim In order to protect the rim, generally made of the same material subject to infiltration as the rest of the building, the rim is generally covered with an insert, of a different nature from the resin, fixed to the resin so as to form a surface smooth.
  • the insert and the resin undergo relative deformations, for example due to different expansion coefficients, causing an offset and, with time, at the junction with the element, the resin can crack. The water can then seep into the cracks, and the cover needs to be redone.
  • the cracks are areas facilitating wind resistance, and favoring tearing of the cover.
  • the present invention aims in particular to remedy these problems.
  • a first object of the invention is to provide a covering device of a building element ensuring a complete and durable seal.
  • a second object of the invention is to provide a covering device of a building element whose external appearance agrees with that of the rest of the building.
  • a third object of the invention is to provide a simple cover device to put in place and without mechanical fixation on the support.
  • a fourth object of the invention is to provide a covering device whose implementation method is not aggressive for the support.
  • the binding ensures cohesion between the resinous cover and the skirt.
  • the veil can be a polyester fabric or wire mesh.
  • the skirt is attached to the web by folding a free portion of the web together with an upper edge of the skirt.
  • the skirt can also be attached to the veil by means of an adhesive.
  • the building element is a chimney cap.
  • a lower edge of the skirt is shaped as a guide for the runoff of water.
  • a layer of resin can be applied astride the cover and the skirt.
  • the skirt is glued to the lateral surface.
  • a building element 1 in this case a chimney cap with two mitrons 2, having an upper surface 3, extended by a flange 4 forming a lateral surface.
  • the upper surface and the lateral surface form an outgoing corner substantially at right angles.
  • the upper surface 3 is a horizontal surface, the lateral surface being vertical.
  • the lateral surface is projecting with respect to a vertical wall 6, for example the wall 6 of the stump body 7 of the chimney cap.
  • the building element 1 is at least partially covered with a covering device 8.
  • the device 8 comprises a cover 9 applied to the upper surface 3 of the building element 1.
  • the cover 9 comprises a first layer 10 of a resin, for example bituminous or polyurethane type.
  • resin is meant here a thermosetting polymeric substance, non-porous and sealed.
  • the thickness of this first layer 10 may vary from a few microns to a millimeter.
  • the cover 9 further comprises a second layer 11 of resin superimposed on the first layer 10.
  • the resin of this second layer 11 is in practice less viscous than that of the first layer 10.
  • the same resin can be used as that of the first layer 10 densified with sand.
  • the spreading of the second layer 11 is smaller compared with that of the first layer 10, so that its thickness is greater than that of the first layer 10.
  • the resin used for this second layer 11 is preferably resistant. ultraviolet light.
  • the cover 9 also comprises a web 12 interposed between the two layers 10 and 11 of resin.
  • the web 12 is here a layer of thickness less than that of the two layers 10 and 11 of resin, having a flexibility greater than theirs.
  • the web 12 may be for example a polyester fabric, without preferred direction of weaving son, or a wire mesh, for example aluminum, or any type of fiber woven fabric or geotextile.
  • a portion 13 of the web 12, at its periphery, is free of two layers 10 and 11 of resin.
  • the device 8 further comprises a skirt 14, covering the lateral surface of the building element 1, with an inner face disposed facing the lateral surface.
  • the skirt 14 is for example a metal plate, for example made of aluminum, the thickness of which preferably varies between 0.5 mm and 0.8 mm.
  • the skirt 14 is profiled along two opposite edges.
  • a first edge 16, said upper, is shaped clamp.
  • the skirt 14 is folded several times along the upper edge 16, on the inner face, so as to form a winding.
  • the second edge 17, said lower edge is shaped guide, to channel a runoff of water.
  • the lower edge 17 of the skirt 14 is curved towards the inner face.
  • a drop dripping along the skirt arrives at the curved end 18, favoring its detachment.
  • the lower edge 17 is folded towards an outer face 19 of the skirt 14, opposite to the inner face, forming with this outer face 19 an angle of between 90 ° and 180 °.
  • a drop arriving at the lower end 18 of the skirt 12 is remote from the vertical wall 6.
  • the lower edge 17 is folded as in the second embodiment, but the lower end 18 is extended by a portion 20 parallel to the skirt 12, so that a drop of water is further guided on its path towards down, while moving away from the vertical wall 6.
  • the lower end 18 may be bent similarly to the first embodiment, favoring the detachment of drops of water.
  • the upper edge 16 of the skirt 14 is fixed on the free portion 13 of the web 12.
  • the free portion 13 of the web 12 is inserted into the folds of the upper end 16 of the skirt. 14 shaped clamp. Glue can be applied to consolidate the fixation.
  • the free portion 13 of the web 12 may also for example be glued with a resin, welded or fixed by any other appropriate means.
  • the laying of the cover device 8 on the building element 1 is carried out in the following manner.
  • the skirt 14 is attached to the web 12.
  • the upper edge 16 of the skirt 14 (shown in solid lines) is folded once at U, then the free portion 13 of the web 12 (shown in dotted lines) is glued.
  • the upper edge 16 of the skirt 14 (solid line) is previously folded U-shaped, then the free portion 13 (dashed) of the web 12 is applied and glued against the folded upper edge 16 of the skirt 14.
  • upper edge 16 of the skirt 14 and the free portion 13 of the web 12 are then jointly folded U, so as to form a four-ply winding. Glue can also be added.
  • the first layer 10 of resin is applied to the upper surface 3 of the building element 1, so that the resin coats the surface 3 and adheres thereto. This layer 10 is spread over the entire upper surface 3 to be protected.
  • the web 12 is placed on the first layer 3 and the skirt 14, which covers the lateral surface, is then fixed thereto.
  • the fastening means of the skirt 14 on the lateral surface 5 may be of any kind, for example welding or screws.
  • the skirt 14 is glued to the lateral surface by means of a polyurethane glue.
  • the second layer 11 of resin is applied over the veil 12, the latter being soaked with resin on both sides.
  • the web 12 does not necessarily extend over the entire first layer 10, but extends from the skirt 14 a few centimeters. Beyond, the two layers 10 and 11 of resin are directly superimposed.
  • the second layer 11 is spread until it comes into contact with the skirt 12.
  • This layer 11 has a thickness such that its upper surface is flush with a rim formed by an upper end face 21 of the skirt 14, at the level of the junction between the skirt 14 and the web 12, or to overlap the skirt 12 over all or part of its outer surface, so as to form a continuous surface with the skirt 14.
  • a last layer can be applied over the second layer 11 and the skirt 14, so as to ensure continuity between the cover 9 and the surface 19 outside.
  • This last layer consists for example of resin mixed with granulated minerals, so as to give a natural appearance to the cover device 8.
  • the waterproof cover When water, for example rainwater, reaches the upper surface, it is protected by the waterproof cover. The water can no longer infiltrate through the materials, and then trickles onto the skirt 14 overlying the side surface.
  • the skirt 12 channels the runoff of the water to its lower edge 17 shaped as a guide to move the water away from the vertical wall 6, reducing the risk that the runoff is folded against the wall 6 under the effect of the currents. air.
  • the device 8 thus produced ensures complete sealing of the building element 1 as well on its upper surface 3, avoiding water infiltration, as on its lateral surface, by diverting the runoff.
  • the continuity at the junction between the skirt 12 and the cover 9 resinous provides a smooth surface, with a minimum of wind resistance.
  • the device 8 may be applied to a building element 1 having already undergone water infiltration, the first resin layer 10 filling any cracks already present on the upper surface 3.
  • the device 8 fits on all elements of buildings with a rim (window, dog sitting, headband ).
  • Fixing all the elements of the device 8, cover 9 and skirt 14, can be done by adhesion, for example using the resin or glue, thus avoiding the use of aggressive processes with flame or mechanical fastening.
  • the external appearance of the device 8 can be adapted to the general appearance of the building element 1 on which it is applied, so as to maintain an aesthetic unit.
  • the last layer covering the skirt 14 and the cover 9 may comprise an infinity of colors and textures.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Building Environments (AREA)

Abstract

The device (8) has a cover (9) applied on an upper surface (3) of a building element and including two resin layers (10, 11) superposed with one another. A veil (12) is interposed between the resin layers, and a skirt (14) covers a lateral surface (5) of the building element in prolongation of the cover. The skirt forms an angle with the cover and is fixed to the veil. The veil is made of polyester fabric or metal mesh. The skirt is fixed to the veil by folding a free portion (13) of the veil jointly with an upper edge (16) of the skirt.

Description

L'invention a trait au recouvrement étanche des surfaces de bâtiments subissant des infiltrations d'eau. Plus précisément, la structure s'applique sur des surfaces formant un coin sortant.The invention relates to the waterproof covering of the surfaces of buildings undergoing water infiltration. More specifically, the structure is applied to surfaces forming an outgoing corner.

Les bâtiments comprennent des éléments extérieurs, lesquels comportent des surfaces horizontales, par exemple des toits plats, des rebords de fenêtres ou des couronnements de cheminée, ou tout autre élément pouvant faire saillie sur la façade verticale des bâtiments. Ces surfaces, la plupart du temps en matériau poreux tel que le bêton, subissent des dégradations dues à l'eau. En effet, de par leur horizontalité, de l'eau, par exemple de l'eau de pluie, a tendance à stagner sur les surfaces, favorisant un processus d'infiltration de l'eau et dégradant ces surfaces.Buildings include exterior elements, which include horizontal surfaces, such as flat roofs, window sills or chimney coping, or any other element that may protrude from the vertical facade of buildings. These surfaces, mostly porous material such as concrete, suffer damage due to water. Indeed, by their horizontality, water, for example rainwater, tends to stagnate on surfaces, promoting a process of infiltration of water and degrading these surfaces.

Par ailleurs, l'eau s'infiltrant par la surface horizontale s'étend par capillarité à d'autres zones sur le bâtiment, et notamment les parois verticales du bâtiment, par exemple la façade du bâtiment ou le corps de souche du couronnement de cheminée, se trouvant sous la surface horizontale. Lorsque le matériau de la paroi se trouve saturé en eau, un ruissellement se produit, affectant l'ensemble de la paroi.Moreover, the water infiltrating the horizontal surface extends by capillarity to other areas on the building, and in particular the vertical walls of the building, for example the building facade or the stump body of the chimney cap. , lying under the horizontal surface. When the wall material is saturated with water, runoff occurs, affecting the entire wall.

Ainsi, par exemple pour les couronnements de cheminée, on constate que ces infiltrations d'eau combinées au ruissellement sont parmi les premières causes de leurs dégradations.Thus, for example for chimney caps, it is found that these infiltrations of water combined with runoff are among the first causes of their degradation.

Afin de protéger les surfaces horizontales exposées, il est connu de les recouvrir d'un matériau étanche. Ce matériau doit être résistant aux intempéries, et ne doit pas gêner d'autres éléments qui pourraient se trouver sur la surface horizontale. A titre d'exemple, les couronnements de cheminée comportent des mitrons, qui peuvent être déstabilisés par les déformations du matériau qui les entourerait.In order to protect the exposed horizontal surfaces, it is known to cover them with a waterproof material. This material must be weather resistant, and must not interfere with other elements that may be on the horizontal surface. For example, chimney caps include mitrons, which can be destabilized by the deformations of the material that surrounds them.

C'est pourquoi on utilise généralement une résine, par exemple bitumeuse, s'adaptant à la forme des éléments. Le document FR 2 789 419 décrit un exemple d'une résine étanche, par exemple pour une terrasse d'immeuble. Afin d'augmenter la résistance, aussi bien aux conditions climatiques qu'au temps, le document EP 1 842 959 de SOPREMA décrit une résine étanche associée à un voile, ce voile étant noyé dans la résine. Le voile est appliqué à proximité de zones formant des angles rentrant, de manière à assurer le maintien de la résine dans l'angle.This is why we generally use a resin, for example bituminous, adapting to the shape of the elements. The document FR 2 789 419 describes an example of a waterproof resin, for example for a building terrace. In order to increase the resistance, both to climatic conditions and to weather, the document EP 1 842 959 SOPREMA describes a waterproof resin associated with a veil, this veil being embedded in the resin. The veil is applied near areas forming reentrant angles, so as to ensure the maintenance of the resin in the angle.

Toutefois, la réalisation d'une étanchéité sur la surface horizontale se révèle insuffisante.However, the achievement of a seal on the horizontal surface is insufficient.

En effet, les surfaces horizontales, que ce soit les couronnements de cheminée, les bords de fenêtre ou toute autre surface horizontale d'un bâtiment, sont associées à des rebords, par exemple le rebord d'une fenêtre, formant des saillies sur des parois verticales, par exemple la façade d'un immeuble ou le corps de souche du couronnement de cheminée.Indeed, the horizontal surfaces, be they the chimney caps, the window sills or any other horizontal surface of a building, are associated with edges, for example the edge of a window, forming projections on walls. vertical, for example the facade of a building or the stump body of the chimney cap.

L'eau s'accumulant sur la surface horizontale s'écoule le long du rebord. Une encoche réalisée sous le rebord empêche l'eau de ruisseler sous le rebord pour atteindre la paroi verticale. Afin de protéger le rebord, réalisé en général dans le même matériau sujet aux infiltrations que le reste du bâtiment, le rebord est généralement recouvert d'un élément rapporté, de nature différente de la résine, fixé à la résine de façon à former une surface lisse.Water accumulating on the horizontal surface flows along the rim. A notch under the rim prevents water from flowing under the rim to reach the vertical wall. In order to protect the rim, generally made of the same material subject to infiltration as the rest of the building, the rim is generally covered with an insert, of a different nature from the resin, fixed to the resin so as to form a surface smooth.

Cependant, l'élément rapporté et la résine subissent des déformations relatives, par exemple à cause de coefficients de dilatation différents, entrainant un décalage et, avec le temps, à la jonction avec l'élément, la résine peut se fissurer. L'eau peut alors s'infiltrer dans les fissures, et la couverture doit être refaite.However, the insert and the resin undergo relative deformations, for example due to different expansion coefficients, causing an offset and, with time, at the junction with the element, the resin can crack. The water can then seep into the cracks, and the cover needs to be redone.

Par ailleurs, les fissures constituent des zones facilitant la prise au vent, et favorisant l'arrachement de la couverture.Moreover, the cracks are areas facilitating wind resistance, and favoring tearing of the cover.

De plus, bien que le ruissellement n'atteigne pas directement la portion de paroi située immédiatement sous le rebord grâce à l'encoche, on remarque l'existence d'une zone sur la paroi, située à distance du rebord, particulièrement dégradée par l'eau. Effectivement, notamment dans le cas où les bâtiments sont proches les uns des autres, par exemple dans les grandes villes, le vent a tendance à suivre entre les bâtiments une trajectoire préférentielle, de sorte que une goutte d'eau est poussée au même endroit que la précédente. De par la répétitivité du phénomène, la zone continuellement atteinte par l'eau est fragilisée.In addition, although the runoff does not directly reach the wall portion immediately below the rim by virtue of the notch, there is an area on the wall, located at a distance from the rim, particularly degraded by the rim. 'water. Indeed, especially in the case where buildings are close to each other, for example in large cities, the wind tends to follow between buildings a preferential trajectory, so that a drop of water is pushed to the same place as the previous one. Due to the repetitiveness of the phenomenon, the area continuously affected by water is weakened.

La paroi ainsi usée et fragilisée s'effrite et des parties peuvent s'en détacher. C'est pourquoi il est nécessaire de réaliser régulièrement des travaux de rénovations, qui peuvent être coûteux, notamment pour des raisons de sécurité. Par ailleurs, ces travaux ne sont pas pérennes et devront être de nouveau réalisés au bout de quelques années.The wall thus worn and weakened crumbles and parts can become detached. That is why it is necessary to carry out regular renovations, which can be expensive, especially for security reasons. In addition, this work is not sustainable and will have to be done again after a few years.

De plus, il peut être délicat de recouvrir des éléments de bâtiments avec des matériaux différents de ceux utilisés originellement, car l'aspect esthétique des couvertures s'accorde mal avec le reste du bâtiment, et peut déplaire aux propriétaires des bâtiments.In addition, it may be difficult to cover elements of buildings with materials different from those originally used, because the aesthetic appearance of the covers does not fit well with the rest of the building, and may displease the owners of buildings.

En outre, lors de travaux de rénovations, notamment de bâtiments anciens, il est difficile de connaître précisément l'ensemble des matériaux utilisés pour ses éléments. Ainsi, il peut être délicat d'utiliser des procédés avec des flammes, tels que la soudure, sans savoir si les matériaux du bâtiment à proximité de la surface à traiter ne sont pas inflammables.In addition, during renovations, especially old buildings, it is difficult to know precisely all the materials used for its elements. Thus, it may be difficult to use flame processes, such as welding, without knowing whether the building materials near the surface to be treated are not flammable.

La présente invention vise notamment à remédier à ces problèmes.The present invention aims in particular to remedy these problems.

Un premier objet de l'invention est de proposer un dispositif de couverture d'un élément de bâtiment assurant une étanchéité complète et durable.A first object of the invention is to provide a covering device of a building element ensuring a complete and durable seal.

Un deuxième objet de l'invention est de proposer un dispositif de couverture d'un élément de bâtiment dont l'aspect extérieur s'accorde avec celui du reste du bâtiment.A second object of the invention is to provide a covering device of a building element whose external appearance agrees with that of the rest of the building.

Un troisième objet de l'invention est de proposer un dispositif de couverture simple à mettre en place et sans fixation mécanique sur le support.A third object of the invention is to provide a simple cover device to put in place and without mechanical fixation on the support.

Un quatrième objet de l'invention est de proposer un dispositif de couverture dont le procédé de mise en place n'est pas agressif pour le support.A fourth object of the invention is to provide a covering device whose implementation method is not aggressive for the support.

À cet effet, l'invention propose, selon un premier aspect, un dispositif de couverture d'un élément de bâtiment comprenant :

  • une couverture appliquée sur une surface supérieure de l'élément de bâtiment et comprenant deux couches de résine superposées et, interposé entre elles, un voile,
  • une jupe couvrant une surface latérale de l'élément de bâtiment dans le prolongement de la couverture, la jupe formant un angle avec la couverture et étant fixée au voile.
For this purpose, the invention proposes, according to a first aspect, a device for covering a building element comprising:
  • a cover applied to an upper surface of the building element and comprising two superimposed layers of resin and, interposed between them, a web,
  • a skirt covering a side surface of the building element in the extension of the cover, the skirt forming an angle with the cover and being attached to the web.

La fixation assure la cohésion entre la couverture résineuse et la jupe.The binding ensures cohesion between the resinous cover and the skirt.

Le voile peut être un tissu en polyester ou en treillis métallique.The veil can be a polyester fabric or wire mesh.

Selon un mode de réalisation, la jupe est fixée au voile par pliage d'une portion libre du voile conjointement avec un bord supérieur de la jupe.According to one embodiment, the skirt is attached to the web by folding a free portion of the web together with an upper edge of the skirt.

La jupe peut également être fixée au voile au moyen d'une colle.The skirt can also be attached to the veil by means of an adhesive.

Selon un mode de réalisation préféré, l'élément de bâtiment est un couronnement de cheminée.According to a preferred embodiment, the building element is a chimney cap.

Afin de canaliser le ruissellement de l'eau, un bord inférieur de la jupe est conformé en guide pour le ruissellement de l'eau.In order to channel the runoff of the water, a lower edge of the skirt is shaped as a guide for the runoff of water.

Une couche de résine peut être appliquée à cheval sur la couverture et la jupe.A layer of resin can be applied astride the cover and the skirt.

Selon un deuxième aspect, l'invention propose un procédé de recouvrement d'un élément de bâtiment au moyen d'un dispositif tel que décrit ci-dessus, comprenant les opérations suivantes :

  • fixation d'un voile sur une jupe ;
  • application d'une première couche de résine sur une surface supérieure de l'élément de bâtiment ;
  • application du voile sur la première couche de résine et fixation de la jupe sur une surface latérale de l'élément de bâtiment ;
  • application d'une deuxième couche de résine sur le voile.
According to a second aspect, the invention proposes a method of covering a building element by means of a device as described above, comprising the following operations:
  • fastening a veil to a skirt;
  • applying a first resin layer to an upper surface of the building element;
  • applying the veil to the first resin layer and attaching the skirt to a side surface of the building element;
  • applying a second layer of resin on the web.

Selon un mode de réalisation préféré, la jupe est collée à la surface latérale.According to a preferred embodiment, the skirt is glued to the lateral surface.

D'autres objets et avantages de l'invention apparaîtront à la lumière de la description faite ci-après en référence aux dessins annexés dans lesquels :

  • la figure 1 est une vue en perspective d'un couronnement de cheminée comportant deux mitrons, partiellement recouvert d'un dispositif de couverture ;
  • la figure 2 est une vue de détail de la figure 1 au niveau du dispositif de couverture ;
  • la figure 3 est une vue latérale de détail de la figure 1 au niveau du dispositif de couverture ;
  • la figure 4 est une vue de détail de la figure 3, montrant l'accrochage d'un voile sur une jupe, le voile étant interposé entre deux couches de résine ;
  • les figures 5 et 6 sont des vues de profil d'un bord supérieur de la jupe selon deux modes de réalisation ;
  • les figures 7 à 9 sont des vues de profil d'un bord inférieur de la jupe selon trois modes de réalisation différents.
Other objects and advantages of the invention will become apparent in the light of the description given hereinafter with reference to the appended drawings in which:
  • the figure 1 is a perspective view of a chimney cap with two mitrons, partially covered with a cover;
  • the figure 2 is a detail view of the figure 1 at the level of the covering device;
  • the figure 3 is a detail side view of the figure 1 at the level of the covering device;
  • the figure 4 is a detail view of the figure 3 , showing the attachment of a veil on a skirt, the veil being interposed between two layers of resin;
  • the Figures 5 and 6 are profile views of an upper edge of the skirt according to two embodiments;
  • the Figures 7 to 9 are side views of a lower edge of the skirt according to three different embodiments.

Sur la figure 1 est représenté un élément 1 de bâtiment, en l'occurrence un couronnement de cheminée avec deux mitrons 2, comportant une surface 3 supérieure, prolongée par un rebord 4 formant une surface 5 latérale. En pratique, la surface 3 supérieure et la surface 5 latérale forment un coin sortant, sensiblement à angle droit. En pratique, la surface 3 supérieure est une surface horizontale, la surface 5 latérale étant verticale. La surface 5 latérale est en saillie par rapport à une paroi 6 verticale, par exemple la paroi 6 du corps 7 de souche du couronnement de cheminée.On the figure 1 there is shown a building element 1, in this case a chimney cap with two mitrons 2, having an upper surface 3, extended by a flange 4 forming a lateral surface. In practice, the upper surface and the lateral surface form an outgoing corner substantially at right angles. In practice, the upper surface 3 is a horizontal surface, the lateral surface being vertical. The lateral surface is projecting with respect to a vertical wall 6, for example the wall 6 of the stump body 7 of the chimney cap.

L'élément 1 de bâtiment est au moins partiellement recouvert d'un dispositif 8 de couverture.The building element 1 is at least partially covered with a covering device 8.

Le dispositif 8 comprend une couverture 9 appliquée sur la surface 3 supérieure de l'élément 1 de bâtiment.The device 8 comprises a cover 9 applied to the upper surface 3 of the building element 1.

La couverture 9 comprend une première couche 10 d'une résine, par exemple bitumeuse ou de type polyuréthane.The cover 9 comprises a first layer 10 of a resin, for example bituminous or polyurethane type.

Par résine, on désigne ici une substance polymérique thermodurcissable, non poreuse et étanche.By resin is meant here a thermosetting polymeric substance, non-porous and sealed.

L'épaisseur de cette première couche 10 peut varier de quelques microns jusqu'au millimètre.The thickness of this first layer 10 may vary from a few microns to a millimeter.

La couverture 9 comprend en outre une deuxième couche 11 de résine superposée à la première couche 10. La résine de cette deuxième couche 11 est en pratique moins visqueuse que celle de la première couche 10. Par exemple, on peut utiliser la même résine que celle de la première couche 10 densifiée avec du sable. De ce fait, l'étalement de la deuxième couche 11 est moindre comparé à celui de la première couche 10, de sorte que son épaisseur est supérieure à celle de la première couche 10. La résine utilisée pour cette deuxième couche 11 est de préférence résistante aux ultraviolets.The cover 9 further comprises a second layer 11 of resin superimposed on the first layer 10. The resin of this second layer 11 is in practice less viscous than that of the first layer 10. For example, the same resin can be used as that of the first layer 10 densified with sand. As a result, the spreading of the second layer 11 is smaller compared with that of the first layer 10, so that its thickness is greater than that of the first layer 10. The resin used for this second layer 11 is preferably resistant. ultraviolet light.

La couverture 9 comporte également un voile 12 interposé entre les deux couches 10 et 11 de résine. Le voile 12 est ici une couche d'épaisseur inférieure à celle des deux couches 10 et 11 de résine, possédant une flexibilité supérieure à la leur. Le voile 12 peut être par exemple un tissu en polyester, sans direction privilégiée du tissage des fils, ou encore un treillis métallique, par exemple en aluminium, ou de tout type de toile tissée en fibres ou de géotextile.The cover 9 also comprises a web 12 interposed between the two layers 10 and 11 of resin. The web 12 is here a layer of thickness less than that of the two layers 10 and 11 of resin, having a flexibility greater than theirs. The web 12 may be for example a polyester fabric, without preferred direction of weaving son, or a wire mesh, for example aluminum, or any type of fiber woven fabric or geotextile.

Une portion 13 du voile 12, à sa périphérie, est libre des deux couches 10 et 11 de résine.A portion 13 of the web 12, at its periphery, is free of two layers 10 and 11 of resin.

Le dispositif 8 comprend par ailleurs une jupe 14, couvrant la surface 5 latérale de l'élément 1 de bâtiment, avec une face 15 intérieure disposée en regard de la surface 5 latérale. La jupe 14 est par exemple une plaque métallique, par exemple faite d'aluminium, dont l'épaisseur varie de préférence entre 0,5 mm et 0,8 mm. La jupe 14 est profilée le long de deux bords opposés.The device 8 further comprises a skirt 14, covering the lateral surface of the building element 1, with an inner face disposed facing the lateral surface. The skirt 14 is for example a metal plate, for example made of aluminum, the thickness of which preferably varies between 0.5 mm and 0.8 mm. The skirt 14 is profiled along two opposite edges.

Un premier bord 16, dit supérieur, est conformé en pince. Par exemple, la jupe 14 est pliée plusieurs fois le long du bord 16 supérieur, sur la face 15 intérieure, de façon à former un enroulement.A first edge 16, said upper, is shaped clamp. For example, the skirt 14 is folded several times along the upper edge 16, on the inner face, so as to form a winding.

Le deuxième bord 17, dit bord inférieur, est conformé en guide, pour canaliser un ruissellement d'eau.The second edge 17, said lower edge is shaped guide, to channel a runoff of water.

Selon un premier mode de réalisation (figure 7), le bord 17 inférieur de la jupe 14 est recourbé vers la face 15 intérieure. Ainsi, une goutte ruisselant le long de la jupe arrive à l'extrémité 18 recourbée, favorisant son décrochement.According to a first embodiment ( figure 7 ), the lower edge 17 of the skirt 14 is curved towards the inner face. Thus, a drop dripping along the skirt arrives at the curved end 18, favoring its detachment.

Selon un deuxième mode de réalisation (figure 8), le bord 17 inférieur est plié vers une face 19 extérieure de la jupe 14, opposée à la face 15 intérieure, formant avec cette face 19 extérieure un angle compris entre 90° et 180°. Ainsi, une goutte arrivant à l'extrémité 18 inférieure de la jupe 12 est éloignée de la paroi 6 verticale.According to a second embodiment ( figure 8 ), the lower edge 17 is folded towards an outer face 19 of the skirt 14, opposite to the inner face, forming with this outer face 19 an angle of between 90 ° and 180 °. Thus, a drop arriving at the lower end 18 of the skirt 12 is remote from the vertical wall 6.

Selon un troisième mode de réalisation (figure 9), le bord 17 inférieur est plié comme dans le deuxième mode de réalisation, mais l'extrémité 18 inférieure est prolongée par une portion 20 parallèle à la jupe 12, de sorte qu'une goutte d'eau est davantage guidée sur sa trajectoire vers le bas, tout en s'éloignant de la paroi 6 verticale.According to a third embodiment ( figure 9 ), the lower edge 17 is folded as in the second embodiment, but the lower end 18 is extended by a portion 20 parallel to the skirt 12, so that a drop of water is further guided on its path towards down, while moving away from the vertical wall 6.

Dans les deuxième et troisième modes de réalisation, l'extrémité 18 inférieure peut être recourbée de manière similaire au premier mode de réalisation, favorisant le décrochement des gouttes d'eau.In the second and third embodiments, the lower end 18 may be bent similarly to the first embodiment, favoring the detachment of drops of water.

Le bord 16 supérieur de la jupe 14 est fixé sur la portion 13 libre du voile 12. Selon le mode de réalisation représenté sur les figures, la portion 13 libre du voile 12 est insérée dans les plis de l'extrémité 16 supérieure de ia jupe 14 conformée en pince. De la colle peut être appliquée pour consolider la fixation. La portion libre 13 du voile 12 peut également par exemple être collé avec une résine, soudé ou fixé par tout autre moyen approprié.The upper edge 16 of the skirt 14 is fixed on the free portion 13 of the web 12. According to the embodiment shown in the figures, the free portion 13 of the web 12 is inserted into the folds of the upper end 16 of the skirt. 14 shaped clamp. Glue can be applied to consolidate the fixation. The free portion 13 of the web 12 may also for example be glued with a resin, welded or fixed by any other appropriate means.

La pose du dispositif 8 de couverture sur l'élément 1 de bâtiment est réalisée de la manière suivante.The laying of the cover device 8 on the building element 1 is carried out in the following manner.

Tout d'abord, la jupe 14 est fixée au voile 12. Selon un mode de réalisation représenté sur la figure 5, le bord 16 supérieur de la jupe 14 (représenté en trait plein) est plié une fois en U, puis la portion 13 libre du voile 12 (représenté en pointillés) y est collée. Selon un autre mode de réalisation représenté sur la figure 6, le bord 16 supérieur de la jupe 14 (en trait plein) est préalablement plié en forme de U, puis la portion 13 libre (en pointillés) du voile 12 est appliqué et collé contre le bord 16 supérieur plié de la jupe 14. Le bord 16 supérieur de la jupe 14 et la portion 13 libre du voile 12 sont alors conjointement pliés en U, de manière à former un enroulement à quatre plis. De la colle peut également être ajoutée.Firstly, the skirt 14 is attached to the web 12. According to an embodiment shown on the figure 5 , the upper edge 16 of the skirt 14 (shown in solid lines) is folded once at U, then the free portion 13 of the web 12 (shown in dotted lines) is glued. According to another embodiment shown on the figure 6 , the upper edge 16 of the skirt 14 (solid line) is previously folded U-shaped, then the free portion 13 (dashed) of the web 12 is applied and glued against the folded upper edge 16 of the skirt 14. upper edge 16 of the skirt 14 and the free portion 13 of the web 12 are then jointly folded U, so as to form a four-ply winding. Glue can also be added.

Une fois la jupe 14 et le voile 12 solidarisés, la première couche 10 de résine est appliquée sur la surface 3 supérieure de l'élément 1 de bâtiment, de manière que la résine épouse la surface 3 et y adhère. Cette couche 10 est étalée sur l'ensemble de la surface 3 supérieure à protéger. Le voile 12 est posé sur la première couche 3 et la jupe 14, qui vient recouvrir la surface 5 latérale, est ensuite fixée à celle-ci. Les moyens de fixation de la jupe 14 sur la surface 5 latérale peuvent être de toute nature, par exemple soudure ou visserie. Selon un mode de réalisation préféré, la jupe 14 est collée sur la surface 5 latérale au moyen d'une colle polyuréthane.Once the skirt 14 and the web 12 secured, the first layer 10 of resin is applied to the upper surface 3 of the building element 1, so that the resin coats the surface 3 and adheres thereto. This layer 10 is spread over the entire upper surface 3 to be protected. The web 12 is placed on the first layer 3 and the skirt 14, which covers the lateral surface, is then fixed thereto. The fastening means of the skirt 14 on the lateral surface 5 may be of any kind, for example welding or screws. According to a preferred embodiment, the skirt 14 is glued to the lateral surface by means of a polyurethane glue.

Avant que la première couche 10 de résine ne durcisse, la deuxième couche 11 de résine est appliquée par-dessus le voile 12, ce dernier se trouvant imbibé de résine sur ses deux faces.Before the first layer of resin cures, the second layer 11 of resin is applied over the veil 12, the latter being soaked with resin on both sides.

Le voile 12 ne s'étend pas nécessairement sur l'ensemble de la première couche 10, mais s'étend à partir de la jupe 14 sur quelques centimètres. Au-delà, les deux couches 10 et 11 de résine sont directement superposées.The web 12 does not necessarily extend over the entire first layer 10, but extends from the skirt 14 a few centimeters. Beyond, the two layers 10 and 11 of resin are directly superimposed.

La deuxième couche 11 est étalée jusqu'à venir en contact avec la jupe 12. Cette couche 11 possède une épaisseur telle que sa surface 20 supérieure affleure un rebord formé par une face 21 d'extrémité supérieure de la jupe 14, au niveau de la jonction entre la jupe 14 et le voile 12, ou pour chevaucher la jupe 12 sur tout ou partie de sa surface 19 extérieure, de façon à former une surface continue avec la jupe 14.The second layer 11 is spread until it comes into contact with the skirt 12. This layer 11 has a thickness such that its upper surface is flush with a rim formed by an upper end face 21 of the skirt 14, at the level of the junction between the skirt 14 and the web 12, or to overlap the skirt 12 over all or part of its outer surface, so as to form a continuous surface with the skirt 14.

Lorsque la deuxième couche 11 de résine ne recouvre pas la surface extérieure 19 de la jupe 14, une dernière couche peut être appliquée par-dessus la deuxième couche 11 et la jupe 14, de façon à assurer la continuité entre la couverture 9 et la surface 19 extérieure. Cette dernière couche se compose par exemple de résine mélangée à des minéraux granulés, de façon à donner un aspect naturel au dispositif 8 de couverture.When the second layer 11 of resin does not cover the outer surface 19 of the skirt 14, a last layer can be applied over the second layer 11 and the skirt 14, so as to ensure continuity between the cover 9 and the surface 19 outside. This last layer consists for example of resin mixed with granulated minerals, so as to give a natural appearance to the cover device 8.

En séchant, les deux couches 10 et 11 de résine se solidarisent avec le voile 12 et la jupe 14.While drying, the two layers 10 and 11 of resin become solid with the veil 12 and the skirt 14.

Ainsi, les déformations relatives de la jupe 14 et de la résine sont absorbées par le voile 12 plus flexible, diminuant les tensions dans les couches 10 et 11 de résine.Thus, the relative deformations of the skirt 14 and the resin are absorbed by the more flexible web 12, decreasing the tensions in the layers 10 and 11 of resin.

Lorsque de l'eau, par exemple l'eau de pluie, atteint la surface 3 supérieure, celle-ci en est protégée par la couverture 9 étanche. L'eau ne peut plus s'infiltrer à travers les matériaux, et ruisselle alors sur la jupe 14 recouvrant la surface 5 latérale. La jupe 12 canalise le ruissellement de l'eau jusqu'à son bord 17 inférieur conformé en guide pour éloigner l'eau de la paroi 6 verticale, diminuant le risque que le ruissellement ne soit rabattu contre la paroi 6 sous l'effet des courants d'air.When water, for example rainwater, reaches the upper surface, it is protected by the waterproof cover. The water can no longer infiltrate through the materials, and then trickles onto the skirt 14 overlying the side surface. The skirt 12 channels the runoff of the water to its lower edge 17 shaped as a guide to move the water away from the vertical wall 6, reducing the risk that the runoff is folded against the wall 6 under the effect of the currents. air.

Le dispositif 8 ainsi réalisé assure une étanchéité totale de l'élément 1 de bâtiment aussi bien sur sa surface 3 supérieure, en évitant les infiltrations d'eau, que sur sa surface 5 latérale, en déviant le ruissellement.The device 8 thus produced ensures complete sealing of the building element 1 as well on its upper surface 3, avoiding water infiltration, as on its lateral surface, by diverting the runoff.

Le voile 14 absorbant les déformations de la couverture 9 et de la jupe 14, les risques de fissuration de la résine sont diminués.The web 14 absorbing the deformations of the cover 9 and the skirt 14, the risk of cracking of the resin are reduced.

La continuité à la jonction entre la jupe 12 et la couverture 9 résineuse permet d'obtenir une surface lisse, avec un minimum de prise au vent.The continuity at the junction between the skirt 12 and the cover 9 resinous provides a smooth surface, with a minimum of wind resistance.

Le dispositif 8 peut être appliqué sur un élément 1 de bâtiment ayant déjà subi des infiltrations d'eau, la première couche 10 de résine venant comblée les éventuelles fissures déjà présentes sur la surface 3 supérieure.The device 8 may be applied to a building element 1 having already undergone water infiltration, the first resin layer 10 filling any cracks already present on the upper surface 3.

Le dispositif 8 s'adapte sur tous les éléments de bâtiments présentant un rebord (fenêtre, chien assis, bandeau...).The device 8 fits on all elements of buildings with a rim (window, dog sitting, headband ...).

La fixation de tous les éléments du dispositif 8, couverture 9 et jupe 14, peut se faire par adhérence, par exemple en utilisant de la résine ou de la colle, évitant ainsi le recours à des procédés agressifs avec flamme ou fixation mécanique.Fixing all the elements of the device 8, cover 9 and skirt 14, can be done by adhesion, for example using the resin or glue, thus avoiding the use of aggressive processes with flame or mechanical fastening.

Enfin, l'aspect extérieur du dispositif 8 peut être adapté à l'aspect général de l'élément 1 de bâtiment sur lequel il est appliqué, de façon à conserver une unité esthétique. En effet, la dernière couche recouvrant la jupe 14 et la couverture 9 peut comprendre une infinité de coloris et de textures.Finally, the external appearance of the device 8 can be adapted to the general appearance of the building element 1 on which it is applied, so as to maintain an aesthetic unit. Indeed, the last layer covering the skirt 14 and the cover 9 may comprise an infinity of colors and textures.

Claims (10)

Dispositif (8) de couverture d'un élément (1) de bâtiment comprenant : - une couverture (9) appliquée sur une surface (3) supérieure de l'élément (1) de bâtiment et comprenant deux couches (10,11) de résine superposées et, interposé entre elles, un voile (12), - une jupe (14) couvrant une surface (5) latérale de l'élément (1) de bâtiment dans le prolongement de la couverture, la jupe (14) formant un angle avec la couverture (9) et étant fixée au voile (12). Device (8) for covering a building element (1) comprising: a cover (9) applied to an upper surface (3) of the building element (1) and comprising two superimposed layers of resin (10, 11) and, interposed between them, a web (12), a skirt (14) covering a lateral surface (5) of the building element (1) in the extension of the roof, the skirt (14) forming an angle with the roof (9) and being fastened to the veil (12); ). Dispositif (8) selon la revendication 1, dans lequel le voile (12) est un tissu en polyester.The device (8) of claim 1, wherein the web (12) is a polyester fabric. Dispositif (8) selon la revendication 1, dans lequel le voile (12) est un treillis métallique.Device (8) according to claim 1, wherein the web (12) is a wire mesh. Dispositif (8) selon l'une des revendications 1 à 3, dans lequel la jupe (14) est fixée au voile (12) par pliage d'une portion (13) libre du voile (12) conjointement avec un bord (16) supérieur de la jupe (14).Device (8) according to one of claims 1 to 3, wherein the skirt (14) is fixed to the web (12) by folding a portion (13) free of the web (12) together with an edge (16) upper skirt (14). Dispositif (8) selon l'une des revendications 1 à 4, dans lequel la jupe (14) est fixée au voile (12) au moyen d'une colle.Device (8) according to one of claims 1 to 4, wherein the skirt (14) is fixed to the web (12) by means of an adhesive. Dispositif (8) selon l'une des revendications 1 à 5, dans lequel un bord (17) inférieur de la jupe (14) est conformé en guide pour le ruissellement de l'eau.Device (8) according to one of claims 1 to 5, wherein a lower edge (17) of the skirt (14) is shaped as a guide for the runoff of water. Dispositif (8) selon l'une des revendications 1 à 6, comprenant une couche de résine à cheval sur la couverture (9) et la jupe (14).Device (8) according to one of claims 1 to 6, comprising a layer of resin straddling the cover (9) and the skirt (14). Procédé de recouvrement d'un élément (1) de bâtiment au moyen d'un dispositif (8) selon l'une des revendications 1 à 7, comprenant les opérations suivantes : - fixation d'un voile (12) sur une jupe (14) ; - application d'une première couche (10) de résine sur une surface (3) supérieure de l'élément de bâtiment ; - application du voile (12) sur la première couche (10) de résine et fixation de la jupe (14) sur une surface (5) latérale de l'élément (1) de bâtiment ; - application d'une deuxième couche (11) de résine sur le voile (12). Method for covering a building element (1) by means of a device (8) according to one of Claims 1 to 7, comprising the following operations: - fixing a veil (12) on a skirt (14); applying a first resin layer (10) to an upper surface (3) of the building element; applying the web (12) to the first resin layer (10) and attaching the skirt (14) to a lateral surface (5) of the building element (1); - Applying a second layer (11) of resin on the web (12). Procédé de recouvrement selon la revendication 8, dans lequel la jupe (14) est collée à la surface latérale.A covering method according to claim 8, wherein the skirt (14) is glued to the side surface. Couronnement de cheminée comportant une surface (3) supérieure, prolongée par un rebord (4) formant une surface (5) latérale, caractérisé en ce qu'il est équipé d'un dispositif (8) de couverture selon l'une des revendications 1 à 7.Chimney cap with an upper surface (3), extended by a flange (4) forming a lateral surface (5), characterized in that it is equipped with a covering device (8) according to one of the claims 1 at 7.
EP20090290879 2008-11-21 2009-11-20 Device for covering a building element Active EP2189587B1 (en)

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FR0806560A FR2938860B1 (en) 2008-11-21 2008-11-21 DEVICE FOR COVERING A BUILDING ELEMENT.

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FR2100414A5 (en) * 1970-07-29 1972-03-17 Uhl Kg Geb
CA1011527A (en) * 1973-04-21 1977-06-07 Klaus Gobel Anchor assembly
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FR2938860B1 (en) 2014-03-14
EP2189587B1 (en) 2014-08-06
FR2938860A1 (en) 2010-05-28

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