EP2708677B1 - Multi-layer wall with adhered bricks - Google Patents

Multi-layer wall with adhered bricks Download PDF

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Publication number
EP2708677B1
EP2708677B1 EP13182371.8A EP13182371A EP2708677B1 EP 2708677 B1 EP2708677 B1 EP 2708677B1 EP 13182371 A EP13182371 A EP 13182371A EP 2708677 B1 EP2708677 B1 EP 2708677B1
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EP
European Patent Office
Prior art keywords
wall
layer
already existing
additional
existing wall
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EP13182371.8A
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German (de)
French (fr)
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EP2708677A1 (en
Inventor
Johannes Edmüller
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Schlagmann Poroton & Co KG GmbH
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Schlagmann Poroton & Co KG GmbH
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Priority to EP19201055.1A priority Critical patent/EP3611311A1/en
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    • 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
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/0885—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements specially adapted for being adhesively fixed to the wall; Fastening means therefor; Fixing by means of plastics materials hardening after application
    • 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
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/0801—Separate fastening elements
    • E04F13/0832—Separate fastening elements without load-supporting elongated furring elements between wall and covering elements
    • E04F13/0833—Separate fastening elements without load-supporting elongated furring elements between wall and covering elements not adjustable
    • E04F13/0835—Separate fastening elements without load-supporting elongated furring elements between wall and covering elements not adjustable the fastening elements extending into the back side of the covering elements
    • E04F13/0837—Separate fastening elements without load-supporting elongated furring elements between wall and covering elements not adjustable the fastening elements extending into the back side of the covering elements extending completely through the covering elements
    • 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
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/14—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements stone or stone-like materials, e.g. ceramics concrete; of glass or with an outer layer of stone or stone-like materials or glass
    • E04F13/142—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements stone or stone-like materials, e.g. ceramics concrete; of glass or with an outer layer of stone or stone-like materials or glass with an outer layer of ceramics or clays

Definitions

  • the present invention relates to a multilayer wall of, for example, a building.
  • the invention is particularly concerned with the addition of another layer to an existing wall layer, thereby improving the thermal insulation properties, the weather protection, etc. of the wall.
  • an outer wall arrangement is known in which an additional or complementary wall layer is bricked up on an inner side of the outer wall directly on the already existing false ceiling or floor slab and supported there. It is also possible to pre-wall the additional brick wall layer not only on the inside of the existing wall, but this can also be pre-walled on the outside of the existing wall. For this purpose, however, it is necessary that a solid floor slab or false ceiling is present or a bracket angle or foundation for supporting the vorzumauernden brick wall layer is attached to the existing wall. The provision of this floor plate is not only time and labor intensive, but it also incur additional costs.
  • US 2010/0107531 A1 describes a brick system in which a thin brick wall can be formed on an existing wall, this system comprising a receiving plate for the brick units, wherein in this plate channels are formed between which brick modules can be fixed by means of mortar.
  • the EP 2 154 310 A1 describes a mounting adherend for coating a back side of a heavy building wallcovering panel containing mineral and organic binder and a filler. Further described therein is a building wallcovering panel having a coating of such primer and a building wallcovering formed of a plurality of such panels.
  • the invention is based on the idea to increase the heat insulation of an existing wall in the simplest and most cost-effective manner.
  • a multilayer wall according to claim 1 a plurality of bricks are adhered to an already existing wall such that an additional brick wall layer is formed on the inside and / or outside of the existing wall.
  • existing wall includes a wall that has been built for a long time, such as a wall of a building in need of renovation or renovation, and a (new) wall just built.
  • the additional brick wall layer does not have to be formed exclusively of bricks, but any type of substantially cuboid tile or insulating material can be used, which is pre-walled or anklebbar.
  • an additional brick wall layer on the inside and / or outside of the already existing wall without requiring a console to be erected in an elaborate manner, an angle, a floor slab , a false ceiling (like for example, a floor slab) or provide a foundation.
  • the addition of an additional wall layer is much easier and also the working time required is significantly reduced, since time and cost for the construction of an additional support element, such as a console, an angle or a foundation can be saved.
  • the brick to be adhered is characterized in that it has a length of at least 250 mm, preferably 500 mm, a width of at least 80 mm and a height of at least 249 mm and a weight of at least 1.5 kg, preferably 3.0 kg.
  • a thermal conductivity of at most 0.065 W / mK it is possible to pre-wall a stable brick wall layer, which has particularly good thermal insulation properties.
  • a plaster layer can be arranged between the already existing wall and the additional brick wall layer, preferably before adhering the additional brick wall layer. In this way it is possible to compensate for any unevenness in the already existing wall prior to sticking the additional target facing layer. Thus, a better adhesive result can be obtained in the tiles to be bonded, so that the additional brick wall layer adheres particularly firmly to the existing wall.
  • in order to further enhance the adhesive effect of the adhered additional brick wall layer can according to an embodiment, which is not part of the invention, in a vertical plane to the existing wall fastening elements, in particular (wall) dowels be provided, which are arranged such that the individual Bricks of the brick wall layer is given an additional adhesive effect on the existing wall.
  • wall dowels be provided, which are arranged such that the individual Bricks of the brick wall layer is given an additional adhesive effect on the existing wall.
  • the invention relates to a method for attaching an additional brick wall layer in front of an already existing wall, wherein when attaching the additional brick wall layer bricks are glued to the inside and / or outside of the existing wall by means of an adhesive layer.
  • This method allows bricks to be easily attached to an existing wall without the need for additional elements to support the bricks on the wall. In this way, the time required to attach an additional brick wall layer is substantially reduced.
  • no support element in particular no console, no angle and no foundation, is provided in the method for the vertical support of the additional brick wall layer.
  • the costs that would otherwise have to be incurred for this support element can be saved.
  • the attachment of the additional support element requires much working time, which can thus be saved.
  • a leveling layer in particular a plaster layer, is applied to the already existing wall to compensate for unevenness of the already existing wall prior to the application of the adhesive layer.
  • a leveling layer in particular a plaster layer
  • the adhesive is applied, it can be easily and evenly applied to a substantially smooth surface.
  • the outwardly visible surface of the brick wall layer is improved, since any unevenness can not continue through the layers, but, as a result, a substantially smooth surface of the brick wall layer can be obtained.
  • the adhesive layer can be applied so thickly that any unevenness of the already existing wall layer is compensated. In this way, it is possible to save the time that would be required for the orders of the additional layer of plaster, by correspondingly thick applications of the adhesive layer.
  • a part of the present disclosure which is not part of the invention, relates to the use of a brick for adhering to an already existing wall in order to form an additional brick wall layer in front of an already existing wall, in particular on its inside and / or outside.
  • a brick for adhering to an already existing wall in order to form an additional brick wall layer in front of an already existing wall, in particular on its inside and / or outside.
  • the figure shows schematically a perspective view of a multilayer wall according to the invention.
  • the figure shows schematically a perspective view of a multilayer wall 10 according to the invention.
  • the wall comprises an already existing wall 18, on which is applied a leveling layer, in particular a plaster layer 16 and an adhesive layer 14, a multiplicity of bricks 12 being glued to the plaster layer by means of the adhesive layer 14.
  • a leveling layer in particular a plaster layer 16 and an adhesive layer 14, a multiplicity of bricks 12 being glued to the plaster layer by means of the adhesive layer 14.
  • the plurality of bricks 12 is arranged on the already existing wall 18 such that it forms a target facing layer.
  • the compensation layer 16 is optional.
  • the additional brick wall layer 20 can also be arranged directly by adhering to the already existing wall 18. It is irrelevant whether the additional brick wall layer 20 on the inside and / or on the outside of the existing wall 18 (for example, a building) is arranged.
  • the multilayer wall With the multilayer wall according to the invention, it is possible to refurbish existing buildings energetically by an additional brick wall layer is adhered to an existing wall 18 of a building to be rehabilitated.
  • a compensating layer 16 in particular a plaster layer (clothing) on the existing wall 18 before applying the adhesive layer 14 apply.
  • a vertical support in the form of, for example, an additional support element, such as a console, an angle and / or a foundation is not necessary.
  • an additional brick wall layer 20 also in the region of windows, in particular over a window opening. Especially in these areas, it was often not possible to install an additional brick wall layer 20.
  • additional fastening elements such as, for example, (wall) dowels, can be introduced through the bricks 12 into the already existing wall 18. In this way, it is permanently possible to remove wind suction and pressure loads and vertical loads resulting from the weight of the brick 12.
  • a temporary interception can be provided to assist in the assembly of the bricks l2, which can be removed after curing of the adhesive layer 14 again. This makes it particularly advantageous possible to avoid thermal bridges in the region of the interception. Their attachment, however, can be easily performed as compared to static bearing support.
  • the bricks to be used for bonding have a length of at least 250 mm, preferably 500 mm, a width of at least 80 mm and a height of at least 249 mm, a weight of at least 1.5 kg, preferably 3.0 kg.
  • the brick material of the bricks 12 is selected such that it has a rated value of the thermal conductivity of not more than 0.30 W / mK in the fired state, wherein in the present embodiment, a design value of the thermal conductivity of at most 0.22 W / mK is present.
  • the thermal conductivity is thereby determined on specimens cut out of the thermal insulation brick (brick shards) according to DIN EN 12664: 2001-05 (D).
  • the bricks 12 may be filled with either an insulating material, such as perlite, mineral fiber, etc. or be unfilled.
  • the thermal conductivity of the insulating material should thereby max. 0.045 W / mK, preferably 0.038 W / mK.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Finishing Walls (AREA)
  • Working Measures On Existing Buildindgs (AREA)

Description

Technisches GebietTechnical area

Die vorliegende Erfindung betrifft eine mehrschichtige Wand von beispielsweise einem Gebäude. Dabei geht die Erfindung vor allem auf das Hinzufügen einer weiteren Schicht zu einer bereits bestehenden Wandschicht ein, um dadurch die Wärmedämmeigenschaften, den Witterungsschutz usw. der Wand zu verbessern.The present invention relates to a multilayer wall of, for example, a building. The invention is particularly concerned with the addition of another layer to an existing wall layer, thereby improving the thermal insulation properties, the weather protection, etc. of the wall.

Aus der DE 20 2011 106 987 ist eine Aussenwandanordnung bekannt, bei welcher eine zusätzliche bzw. ergänzende Wandschicht an einer Innenseite der Aussenwand direkt auf der bereits bestehenden Zwischendecke bzw. Bodenplatte aufgemauert ist und dort abgestützt wird. Dabei ist es auch möglich, die zusätzliche Ziegelwandschicht nicht nur an der Innenseite der bereits bestehenden Wand vorzumauern, sondern diese kann auch an der Aussenseite der bereits bestehenden Wand vorgemauert werden. Dazu ist es allerdings erforderlich, dass eine tragfähige Bodenplatte bzw. Zwischendecke vorhanden ist oder ein Konsolenwinkel bzw. Fundament zur Abstützung der vorzumauernden Ziegelwandschicht an der bereits bestehende Wand angebracht wird. Das Vorsehen dieser Bodenplatte ist nicht nur zeit- und arbeitsaufwändig, sondern es fallen dadurch auch zusätzliche Kosten an.From the DE 20 2011 106 987 an outer wall arrangement is known in which an additional or complementary wall layer is bricked up on an inner side of the outer wall directly on the already existing false ceiling or floor slab and supported there. It is also possible to pre-wall the additional brick wall layer not only on the inside of the existing wall, but this can also be pre-walled on the outside of the existing wall. For this purpose, however, it is necessary that a solid floor slab or false ceiling is present or a bracket angle or foundation for supporting the vorzumauernden brick wall layer is attached to the existing wall. The provision of this floor plate is not only time and labor intensive, but it also incur additional costs.

Ferner ist das Anbringen dieser Abstützung insbesondere im Bereich von grösseren Fensteröffnungen (d.h. unmittelbar über dem Fenster) sehr schwierig, weshalb in derartigen Bereichen oftmals eine Dämmung durch eine zusätzlichen Ziegelwandschicht nicht realisiert werden kann.Furthermore, the attachment of this support is very difficult, especially in the area of larger window openings (i.e., directly above the window), and insulation in such areas can often not be realized by an additional brick wall layer.

Weiterer Stand der Technik findet sich in den folgenden Dokumenten. In US 4,920,716 wird ein Verfahren zur Installation von Verblendsteinen an einer Oberfläche einer Gebäudeaußenwand beschrieben, wobei dieses Befestigungsverfahren eine Maschendrahtschicht mit hervorstehenden Rippen verwendet, zwischen denen mit Hilfe von Mörtel die Verblendsteine an der Fassade befestigt werden.Further prior art can be found in the following documents. In US 4,920,716 describes a method for installing facing bricks on a surface of a building exterior wall, this being Fixing method uses a wire mesh layer with protruding ribs, between which by means of mortar, the bricks are attached to the facade.

US 2010/0107531 A1 beschreibt ein Ziegelsystem, bei dem eine dünne Ziegelwand auf einer bestehenden Wand ausgebildet werden kann, wobei dieses System eine Aufnahmeplatte für die Ziegeleinheiten aufweist, wobei in dieser Platte Kanäle ausgebildet sind zwischen denen mit Hilfe von Mörtel Ziegelmodule befestigt werden können. US 2010/0107531 A1 describes a brick system in which a thin brick wall can be formed on an existing wall, this system comprising a receiving plate for the brick units, wherein in this plate channels are formed between which brick modules can be fixed by means of mortar.

In DE 20 2011 051 264 U1 wird eine Wärmedämmverbundeinrichtung zur Dämmung einer Wand beschrieben, wobei ein Dämmstoffgrundkörper unter Verwendung einer Sockelschiene vor einer bestehenden Wand aufgebaut wird, wobei der Dämmstoffgrundkörper ferner Stege aufweist, zwischen denen Aufnahmebereiche für eine Mehrzahl von Riemchen ausgebildet sind.In DE 20 2011 051 264 U1 describes a thermal insulation composite device for insulating a wall, wherein an insulating base body is constructed using a socket rail in front of an existing wall, wherein the insulating base body further comprises webs, between which receiving areas for a plurality of straps are formed.

Die EP 2 154 310 A1 beschreibt einen Befestigungshaftgrund für die Beschichtung einer Rückseite einer schweren Gebäudewandbekleidungsplatte, welche mineralisches und organisches Bindemittel und einen Füllstoff enthält. Ferner wird darin eine Gebäudewandbekleidungsplatte beschrieben, die eine Beschichtung aus einem derartigen Haftgrund aufweist und eine Gebäudewandbekleidung, die aus einer Mehrzahl derartiger Platten ausgebildet wird.The EP 2 154 310 A1 describes a mounting adherend for coating a back side of a heavy building wallcovering panel containing mineral and organic binder and a filler. Further described therein is a building wallcovering panel having a coating of such primer and a building wallcovering formed of a plurality of such panels.

Abschließend beschreibt die US 3,486,280 ein Befestigungssystem für Fliesen und Steinplatten an einer bestehenden Wand mit mechanischen Verankerungsstrukturen, die sowohl in die bestehende Wand als auch in die befestigten Platten eingebracht sind.Finally, the US 3,486,280 a fixing system for tiles and stone slabs on an existing wall with mechanical anchoring structures incorporated into both the existing wall and the fixed slabs.

Darstellung der ErfindungPresentation of the invention

Es ist daher eine Aufgabe der Erfindung, eine mehrschichtige Wand zur Verfügung zu stellen, bei der es möglich ist, auf einfache Weise eine zusätzliche Ziegelwandschicht an der Innen- und/oder Außenseite vorzusehen.It is therefore an object of the invention to provide a multilayer wall in which it is possible to easily provide an additional brick wall layer on the inside and / or outside.

Diese Aufgabe wird erfindungsgemäß durch eine mehrschichtige Wand nach Anspruch 1 bzw. durch ein Verfahren zum Anbringen einer zusätzlichen Ziegelwandschicht nach Anspruch 4 gelöst. Besonders vorteilhafte Ausgestaltungen der Erfindung sind Gegenstand der abhängigen Ansprüche.This object is achieved by a multilayer wall according to claim 1 or by a method for attaching an additional brick wall layer according to claim 4. Particularly advantageous embodiments of the invention are the subject of the dependent claims.

Der Erfindung liegt der Gedanke zugrunde, auf möglichst einfache und kostengünstige Weise die Wärmedämmung einer bereits bestehenden Wand zu erhöhen. So wird bei einer mehrschichtigen Wand gemäß Anspruch 1 eine Vielzahl an Ziegeln an eine bereits bestehende Wand derart angeklebt, dass an der Innenseite und/oder Außenseite der bestehenden Wand eine zusätzliche Ziegelwandschicht ausgebildet wird.The invention is based on the idea to increase the heat insulation of an existing wall in the simplest and most cost-effective manner. Thus, in a multilayer wall according to claim 1, a plurality of bricks are adhered to an already existing wall such that an additional brick wall layer is formed on the inside and / or outside of the existing wall.

Dabei umfasst der Begriff "bereits bestehende Wand" eine Wand, die bereits seit langem errichtet ist, wie beispielsweise eine Wand eines renovierungs- bzw. sanierungsbedürftigen Gebäudes, und eine gerade eben erst errichtete (neue) Wand.The term "existing wall" includes a wall that has been built for a long time, such as a wall of a building in need of renovation or renovation, and a (new) wall just built.

Dabei ist darauf hinzuweisen, dass die zusätzliche Ziegelwandschicht nicht ausschließlich aus Ziegeln ausgebildet sein muss, sondern jede Art von im Wesentlichen quaderförmigem Ziegel- bzw. Dämmmaterial verwendet werden kann, das vormauerbar bzw. anklebbar ist.It should be noted that the additional brick wall layer does not have to be formed exclusively of bricks, but any type of substantially cuboid tile or insulating material can be used, which is pre-walled or anklebbar.

Durch das Ankleben einer Vielzahl an Ziegeln an einer bereits bestehenden Wand ist es möglich, eine zusätzliche Ziegelwandschicht an der Innenseite und/oder Außenseite der bereits bestehenden Wand auszubilden, ohne dafür eine auf eine aufwändige Art und Weise zu errichtende Konsole, einen Winkel, eine Bodenplatte, eine Zwischendecke (wie beispielsweise eine Geschoßdecke) oder ein Fundament vorzusehen. Auf diese Weise wird das Hinzufügen einer zusätzlichen Wandschicht wesentlich erleichtert und auch die aufzuwendende Arbeitszeit verkürzt sich wesentlich, da Zeit und Kosten für das Errichten eines zusätzlichen Abstützungselements, wie beispielsweise einer Konsole, eines Winkels bzw. eines Fundamentes eingespart werden können.By adhering a plurality of bricks to an already existing wall, it is possible to form an additional brick wall layer on the inside and / or outside of the already existing wall without requiring a console to be erected in an elaborate manner, an angle, a floor slab , a false ceiling (like for example, a floor slab) or provide a foundation. In this way, the addition of an additional wall layer is much easier and also the working time required is significantly reduced, since time and cost for the construction of an additional support element, such as a console, an angle or a foundation can be saved.

Gemäß einer Ausführungsform zeichnet sich der anzuklebende Ziegel dadurch aus, dass er eine Länge von zumindest 250mm, bevorzugt 500 mm, eine Breite von zumindest 80 mm und eine Höhe von zumindest 249 mm sowie ein Gewicht von zumindest 1,5 kg, bevorzugt 3,0 kg aufweist. Bei Verwendung derartiger Ziegel, die eine Wärmeleitzahl von höchstens 0,065 W/mK aufweisen, ist es möglich, eine stabile Ziegelwandschicht vorzumauern, die besonders gute Wärmedämmeigenschaften aufweist.According to one embodiment, the brick to be adhered is characterized in that it has a length of at least 250 mm, preferably 500 mm, a width of at least 80 mm and a height of at least 249 mm and a weight of at least 1.5 kg, preferably 3.0 kg. When using such bricks, which have a thermal conductivity of at most 0.065 W / mK, it is possible to pre-wall a stable brick wall layer, which has particularly good thermal insulation properties.

Gemäß einer weiteren besonders bevorzugten Ausführungsform kann eine Putzschicht zwischen der bereits bestehenden Wand und der zusätzlichen Ziegelwandschicht, bevorzugt vor dem Ankleben der zusätzlichen Ziegelwandschicht angeordnet werden. Auf diese Weise ist es möglich etwaige Unebenheiten in der bereits bestehenden Wand vor dem Ankleben der zusätzlichen Zielgewandschicht auszugleichen. Somit kann ein besseres Klebeergebnis bei den anzuklebenden Ziegeln erwirkt werden, sodass die zusätzliche Ziegelwandschicht besonders fest an der bereits bestehenden Wand anhaftet.According to a further particularly preferred embodiment, a plaster layer can be arranged between the already existing wall and the additional brick wall layer, preferably before adhering the additional brick wall layer. In this way it is possible to compensate for any unevenness in the already existing wall prior to sticking the additional target facing layer. Thus, a better adhesive result can be obtained in the tiles to be bonded, so that the additional brick wall layer adheres particularly firmly to the existing wall.

Um die Haftwirkung der angeklebten zusätzlichen Ziegelwandschicht weiter zu verstärken können gemäß einer Ausführungsform, die nicht Teil der Erfindung ist, in einer senkrechten Ebene zu der bereits bestehenden Wand Befestigungselemente, insbesondere (Mauer-) Dübel vorgesehen sein, die derart angeordnet sind, dass den einzelnen Ziegeln der Ziegelwandschicht eine zusätzliche Haftwirkung an der bereits bestehenden Wand verliehen wird. Dies ist vor allem sinnvoll, wenn die zusätzliche
Ziegelwandschicht an der Außenseite der bereits bestehenden Wand angebracht wird. Auf diese Weise ist es besonders vorteilhaft möglich Windsog- und Winddrucklasten sowie Vertikallasten, die aus dem Eigengewicht der zusätzlichen Ziegelwandschicht sowie der fakultativen Putzschicht resultieren, auf dauerhafte Weise abzutragen bzw. aufzunehmen.In order to further enhance the adhesive effect of the adhered additional brick wall layer can according to an embodiment, which is not part of the invention, in a vertical plane to the existing wall fastening elements, in particular (wall) dowels be provided, which are arranged such that the individual Bricks of the brick wall layer is given an additional adhesive effect on the existing wall. This is especially useful if the extra
Brick wall layer is attached to the outside of the existing wall. In this way, it is particularly advantageous possible in the long term wind suction and wind loads and vertical loads that result from the weight of the additional brick wall layer and the optional layer of plaster to remove or absorb.

Ferner betrifft die Erfindung ein Verfahren zum Anbringen einer zusätzlichen Ziegelwandschicht vor einer bereits bestehenden Wand, wobei beim Anbringen der zusätzlichen Ziegelwandschicht Ziegel an der Innenseite und/oder Außenseite der bereits bestehenden Wand mittels einer Kleberschicht geklebt werden. Mit diesem Verfahren wird es ermöglicht, dass Ziegel auf einfache Weise an einer bereits bestehenden Wand angebracht werden, ohne dass dafür zusätzliche Elemente zur Abstützung der Ziegel an der Wand vorgesehen werden müssen. Auf diese Weise wird die Zeit, die zum Anbringen einer zusätzlichen Ziegelwandschicht benötigt wird, wesentlich reduziert.Furthermore, the invention relates to a method for attaching an additional brick wall layer in front of an already existing wall, wherein when attaching the additional brick wall layer bricks are glued to the inside and / or outside of the existing wall by means of an adhesive layer. This method allows bricks to be easily attached to an existing wall without the need for additional elements to support the bricks on the wall. In this way, the time required to attach an additional brick wall layer is substantially reduced.

Gemäß einer Ausgestaltung ist bei dem Verfahren zur vertikalen Abstützung der zusätzlichen Ziegelwandschicht kein Abstützungselement, insbesondere keine Konsole, kein Winkel und kein Fundament, vorgesehen. Auf diese Weise können die Kosten, die ansonsten für dieses Abstützungselement aufgebracht werden müssten, eingespart werden. Ferner erfordert das Anbringen des zusätzlichen Abstützungselementes viel Arbeitszeit, die somit eingespart werden kann.According to one embodiment, no support element, in particular no console, no angle and no foundation, is provided in the method for the vertical support of the additional brick wall layer. In this way, the costs that would otherwise have to be incurred for this support element can be saved. Furthermore, the attachment of the additional support element requires much working time, which can thus be saved.

Gemäß einer weiteren bevorzugten Ausgestaltung des Verfahrens wird vor dem Auftragen der Kleberschicht eine Ausgleichsschicht, insbesondere eine Putzschicht, zum Ausgleichen von Unebenheiten der bereits bestehenden Wand auf die bereits bestehende Wand aufgetragen. Auf diese Weise ist es möglich, insbesondere bei älteren bereits bestehenden Wänden, Unebenheiten, die beispielsweise durch ein verzogenes bzw. welliges Mauerwerk entstanden sind, auszugleichen. Wenn alsdann der Kleber aufgetragen wird, kann dieser auf einer im Wesentlichen glatten Oberfläche einfach und gleichmäßig aufgetragen werden. Weiterhin verbessert sich so nach dem Anbringen der zusätzlichen Ziegelwandschicht die nach außen hin sichtbare Oberfläche der Ziegelwandschicht, da sich etwaige Unebenheiten nicht durch die Schichten hindurch fortsetzen, sondern im Ergebnis eine im Wesentlichen glatte Oberfläche der Ziegelwandschicht erhalten werden kann.According to a further preferred embodiment of the method, a leveling layer, in particular a plaster layer, is applied to the already existing wall to compensate for unevenness of the already existing wall prior to the application of the adhesive layer. In this way, it is possible, especially in older existing walls, bumps, for example, by a warped or wavy masonry have arisen, compensate. Then, when the adhesive is applied, it can be easily and evenly applied to a substantially smooth surface. Furthermore, after application of the additional brick wall layer, the outwardly visible surface of the brick wall layer is improved, since any unevenness can not continue through the layers, but, as a result, a substantially smooth surface of the brick wall layer can be obtained.

Alternativ kann statt der Ausgleichsschicht die Kleberschicht derart dick aufgetragen werden, dass etwaige Unebenheiten der bereits bestehenden Wandschicht ausgeglichen werden. Auf diese Weise ist es möglich, die Zeit, die zum Aufträgen der zusätzlichen Putzschicht erforderlich wäre, durch entsprechend dickes Aufträgen der Kleberschicht einzusparen.Alternatively, instead of the leveling layer, the adhesive layer can be applied so thickly that any unevenness of the already existing wall layer is compensated. In this way, it is possible to save the time that would be required for the orders of the additional layer of plaster, by correspondingly thick applications of the adhesive layer.

Ferner betrifft ein Teil der vorliegenden Offenbarung, der nicht Teil der Erfindung ist, die Verwendung eines Ziegels zum Ankleben an eine bereits bestehende Wand, um vor einer bereits bestehenden Wand, insbesondere an deren Innenseite und/oder Außenseite, eine zusätzliche Ziegelwandschicht auszubilden. Durch die Verwendung ist es möglich ohne das Ausbilden eines zusätzlichen Elementes zur vertikalen Abstützung, wie beispielsweise einer Konsole, einem Winkel und einem Fundament, eine zusätzliche Ziegelwandschicht vor einer bereits bestehenden Wand auszubilden. Auf diese Weise können Arbeitszeit und Kosten beim Errichten einer zusätzlichen Ziegelwandschicht besonders vorteilhaft eingespart werden.Further, a part of the present disclosure, which is not part of the invention, relates to the use of a brick for adhering to an already existing wall in order to form an additional brick wall layer in front of an already existing wall, in particular on its inside and / or outside. By use, without forming an additional vertical support element such as a bracket, bracket and foundation, it is possible to form an additional brick wall layer in front of an already existing wall. In this way, working time and costs when building an additional brick wall layer can be saved particularly advantageous.

Kurze Beschreibung der ZeichnungShort description of the drawing

Die Figur zeigt schematisch eine perspektivische Ansicht einer erfindungsgemäßen mehrschichtigen Wand.The figure shows schematically a perspective view of a multilayer wall according to the invention.

Ausführliche Beschreibung bevorzugter AusführungsformenDetailed description of preferred embodiments

Bevorzugte Ausführungsformen der vorliegenden Erfindung werden nachfolgend ausführlich unter Bezugnahme auf die Figur beschrieben.Preferred embodiments of the present invention will be described below in detail with reference to the figure.

Die Figur zeigt schematisch eine perspektivische Ansicht einer erfindungsgemäßen mehrschichtigen Wand 10.The figure shows schematically a perspective view of a multilayer wall 10 according to the invention.

Die Wand umfasst in dem gezeigten Ausführungsbeispiel eine bereits bestehende Wand 18, darauf aufgetragen eine Ausgleichsschicht, insbesondere ein Putzschicht 16 und eine Kleberschicht 14, wobei mittels der Kleberschicht 14 eine Vielzahl an Ziegeln 12 an die Putzschicht geklebt wird.In the embodiment shown, the wall comprises an already existing wall 18, on which is applied a leveling layer, in particular a plaster layer 16 and an adhesive layer 14, a multiplicity of bricks 12 being glued to the plaster layer by means of the adhesive layer 14.

Die Vielzahl an Ziegeln 12 ist dabei derart an der bereits bestehenden Wand 18 angeordnet, dass sie eine Zielgewandschicht ausbildet.The plurality of bricks 12 is arranged on the already existing wall 18 such that it forms a target facing layer.

Es sei angemerkt, dass die Ausgleichsschicht 16 fakultativ ist. Somit kann die zusätzliche Ziegelwandschicht 20 auch direkt durch Ankleben an der bereits bestehenden Wand 18 angeordnet werden. Dabei ist es unerheblich, ob die zusätzliche Ziegelwandschicht 20 an der Innenseite und/oder an der Außenseite der bereits bestehenden Wand 18 (beispielsweise eines Gebäudes)angeordnet wird.It should be noted that the compensation layer 16 is optional. Thus, the additional brick wall layer 20 can also be arranged directly by adhering to the already existing wall 18. It is irrelevant whether the additional brick wall layer 20 on the inside and / or on the outside of the existing wall 18 (for example, a building) is arranged.

Mit der erfindungsgemäßen mehrschichtigen Wand ist es möglich, bestehende Gebäude energetisch zu sanieren, indem an einer bereits bestehenden Wand 18 eines zu sanierenden Gebäudes eine zusätzliche Ziegelwandschicht angeklebt wird. Um etwaige Unebenheiten der bereits bestehenden Wand 18 des zu sanierenden Gebäudes auszugleichen bzw. um eine bessere Klebewirkung der Klebeschicht 14 zu erwirken, ist es möglich, eine Ausgleichsschicht 16, insbesondere eine Putzschicht (Bekleidung) auf die bereits bestehende Wand 18 vor dem Auftragen der Kleberschicht 14 aufzutragen.With the multilayer wall according to the invention, it is possible to refurbish existing buildings energetically by an additional brick wall layer is adhered to an existing wall 18 of a building to be rehabilitated. In order to compensate for any unevenness of the existing wall 18 of the building to be rehabilitated or to obtain a better adhesive effect of the adhesive layer 14, it is possible a compensating layer 16, in particular a plaster layer (clothing) on the existing wall 18 before applying the adhesive layer 14 apply.

Dabei ist es möglich die Kleberschicht 14 und/oder die Ausgleichsschicht 16 derart dick aufzutragen, dass Unebenheiten der bereits bestehenden Wand 18 ausgeglichen werden.In this case, it is possible to apply the adhesive layer 14 and / or the compensation layer 16 in such a thickness that unevenness of the already existing wall 18 is compensated.

Vorteil der erfindungsgemäßen mehrschichtigen Wand ist es unter anderem, dass eine vertikale Abstützung in Form von beispielsweise einem zusätzlichen Abstützungselement, wie einer Konsole, einem Winkel und/oder einem Fundament nicht notwendig ist. Auf diese Weise ist es möglich, eine zusätzliche Ziegelwandschicht 20 auch im Bereich von Fenstern, insbesondere über einer Fensteröffnung, anzuordnen. Gerade in diesen Bereichen war es vormals oft nicht möglich eine zusätzliche Ziegelwandschicht 20 anzubringen.Advantage of the multilayer wall according to the invention, inter alia, that a vertical support in the form of, for example, an additional support element, such as a console, an angle and / or a foundation is not necessary. In this way it is possible to arrange an additional brick wall layer 20 also in the region of windows, in particular over a window opening. Especially in these areas, it was often not possible to install an additional brick wall layer 20.

Durch Verwendung eines Ziegels 12 zum Ankleben an einer bereits bestehenden Wand 18 mittels einer Kleberschicht 14 ist es möglich, eine zusätzliche Ziegelwandschicht 12 vor einer bereits bestehenden Wand 18 auszubilden.By using a brick 12 for adhering to an already existing wall 18 by means of an adhesive layer 14, it is possible to form an additional brick wall layer 12 in front of an already existing wall 18.

Zum Erhöhen der Befestigungswirkung der einzelnen Ziegel können zusätzlich Befestigungselemente, wie beispielsweise (Mauer-)Dübel durch die Ziegel 12 in die bereits bestehende Wand 18 eingebracht werden. Auf diese Weise ist es dauerhaft möglich, Windsog- und Drucklasten sowie Vertikallasten, die aus dem Eigengewicht der Ziegel 12 resultieren, abzutragen.In order to increase the fastening effect of the individual bricks, additional fastening elements, such as, for example, (wall) dowels, can be introduced through the bricks 12 into the already existing wall 18. In this way, it is permanently possible to remove wind suction and pressure loads and vertical loads resulting from the weight of the brick 12.

Weiterhin kann zur Unterstützung bei der Montage der Ziegel l2 eine temporäre Abfangung vorgesehen werden, welche nach dem Aushärten der Kleberschicht 14 wieder entfernt werden kann. Dadurch ist es besonders vorteilhaft möglich, Wärmebrücken im Bereich der Abfangung zu vermeiden. Deren Anbringung kann jedoch im Vergleich zu einer statisch tragenden Abfangung leicht durchgeführt werden.Furthermore, a temporary interception can be provided to assist in the assembly of the bricks l2, which can be removed after curing of the adhesive layer 14 again. This makes it particularly advantageous possible to avoid thermal bridges in the region of the interception. Their attachment, however, can be easily performed as compared to static bearing support.

Beim Anbringen der zusätzlichen Ziegelwandschicht 20 an der bereits bestehenden Wand 18 ist dafür Sorge zu tragen, dass die bereits bestehende Wand 18 ausreichend stabil ist, um die Lasten, die aus dem Eigengewicht der zusätzlichen Ziegelwandschicht 20 sowie der fakultativen Putzschicht 16 resultieren auf dauerhafte Weise abzutragen bzw. aufzunehmen.When attaching the additional brick wall layer 20 to the existing wall 18 is to ensure that the existing wall 18 is sufficiently stable to permanently remove the loads resulting from the own weight of the additional brick wall layer 20 as well as the optional plaster layer 16.

Die zum Ankleben zu verwendenden Ziegel weisen dabei bei einer Länge von zumindest 250mm, bevorzugt 500 mm, einer Breite von zumindest 80 mm und einer Höhe von zumindest 249 mm ein Gewicht von zumindest 1,5 kg, bevorzugt 3,0 kg auf. Das Ziegelmaterial der Ziegel 12 wird dabei derart ausgewählt, dass es im gebrannten Zustand einen Bemessungswert der Wärmeleitfähigkeit von höchstens 0,30 W/mK besitzt, wobei in der vorliegenden Ausführungsform ein Bemessungswert der Wärmeleitfähigkeit von höchstens 0,22 W/mK vorliegt. Die Wärmeleitfähigkeit wird dabei an aus dem Wärmedämmziegel herausgeschnittenen Probekörpern (Ziegelscherben) nach DIN EN 12664:2001-05 (D) bestimmt. Dabei können die Ziegel 12 mit wahlweise einem Dämmstoff, beispielsweise Perlit, Mineralfaser, etc. gefüllt sein oder ungefüllt sein. Die Wärmeleitfähigkeit des Dämmstoffs soll dabei max. 0,045 W/mK, bevorzugt 0,038 W/mK betragen.The bricks to be used for bonding have a length of at least 250 mm, preferably 500 mm, a width of at least 80 mm and a height of at least 249 mm, a weight of at least 1.5 kg, preferably 3.0 kg. The brick material of the bricks 12 is selected such that it has a rated value of the thermal conductivity of not more than 0.30 W / mK in the fired state, wherein in the present embodiment, a design value of the thermal conductivity of at most 0.22 W / mK is present. The thermal conductivity is thereby determined on specimens cut out of the thermal insulation brick (brick shards) according to DIN EN 12664: 2001-05 (D). The bricks 12 may be filled with either an insulating material, such as perlite, mineral fiber, etc. or be unfilled. The thermal conductivity of the insulating material should thereby max. 0.045 W / mK, preferably 0.038 W / mK.

Claims (9)

  1. Multi-layered wall comprising an already existing wall and a plurality of thermally insulating bricks (12), so that an additional brick wall layer (20) is formed on the inner side and/or outer side of the already existing wall (18), wherein
    the plurality of thermally insulating bricks (12) is adhesively bonded to the already existing wall, characterised in that no supporting element, in particular no bracket, no angle, no base plate, no false ceiling and no foundation is provided for the vertical support of the thermally insulating bricks (12),
    wherein the thermally insulating bricks have a coefficient of thermal conductivity of at most 0.065 W/mK.
  2. Wall according to claim 1, characterised in that, with a length of at least 250 mm, preferably 500 mm, a width of at least 80 mm and a height of at least 249 mm, an individual one of the thermally insulating bricks (12) which are to be adhesively bonded has a weight of at least 1.5 kg, preferably 3.0 kg.
  3. Wall according to claim 1 or 2, characterised in that a compensating layer (16), in particular a plaster layer, is arranged between the already existing wall (18) and the additional brick wall layer (20).
  4. Method for affixing an additional brick wall layer (20) in front of an already existing wall (18), wherein
    when affixing the additional brick wall layer (20), thermally insulating bricks (12) are adhesively bonded onto an inner side and/or outer side of the already existing wall (18) by means of an adhesive layer (14),
    characterised in that
    no supporting element, in particular no bracket, no angle, no base plate, no false ceiling and no foundation is thereby provided for the vertical support of the additional brick wall layer (20),
    wherein the thermally insulating bricks have a coefficient of thermal conductivity of at most 0.065 W/mK.
  5. Method according to claim 4, characterised in that before applying the adhesive layer (14) a compensating layer (16), in particular a plaster layer, is applied to the already existing wall (18) in order to compensate irregularities in the already existing wall (18).
  6. Method according to claim 4 or 5, characterised in that the adhesive layer (14) and/or the compensating layer are applied so thickly that irregularities in the already existing wall (18) are compensated.
  7. Wall according to one of the claims 1 to 3, wherein the brick material of the thermally insulating bricks has, in fired condition, a dimensioning value for thermal conductivity of at most 0.30 W/mK, preferably of at most 0.22 W/mK.
  8. Wall according to one of the claims 1 to 3 or 7, wherein the thermally insulating bricks are filled with insulating material and the insulating material has a thermal conductivity of at most 0.045 W/mK, preferably at most 0.038 W/mK.
  9. Wall according to claim 8, wherein the insulating material comprises perlite or mineral fibres.
EP13182371.8A 2012-09-13 2013-08-30 Multi-layer wall with adhered bricks Active EP2708677B1 (en)

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