EP2643534B2 - Building envelope element comprising a thermal insulating element - Google Patents

Building envelope element comprising a thermal insulating element Download PDF

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Publication number
EP2643534B2
EP2643534B2 EP11787882.7A EP11787882A EP2643534B2 EP 2643534 B2 EP2643534 B2 EP 2643534B2 EP 11787882 A EP11787882 A EP 11787882A EP 2643534 B2 EP2643534 B2 EP 2643534B2
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EP
European Patent Office
Prior art keywords
section
film
outside
building
thermal insulating
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EP11787882.7A
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German (de)
French (fr)
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EP2643534A1 (en
EP2643534B1 (en
Inventor
Carl Maywald
Thomas Langner
Sebastian Gerhold
Horst-Hermann SCHÜTZE
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Vector Foiltec GmbH
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Vector Foiltec GmbH
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Application filed by Vector Foiltec GmbH filed Critical Vector Foiltec GmbH
Priority to PL11787882.7T priority Critical patent/PL2643534T5/en
Publication of EP2643534A1 publication Critical patent/EP2643534A1/en
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D5/00—Roof covering by making use of flexible material, e.g. supplied in roll form
    • E04D5/10—Roof covering by making use of flexible material, e.g. supplied in roll form by making use of compounded or laminated materials, e.g. metal foils or plastic films coated with bitumen
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H15/00—Tents or canopies, in general
    • E04H15/20—Tents or canopies, in general inflatable, e.g. shaped, strengthened or supported by fluid pressure
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D5/00—Roof covering by making use of flexible material, e.g. supplied in roll form
    • E04D5/14—Fastening means therefor
    • E04D5/144—Mechanical fastening means
    • E04D5/145—Discrete fastening means, e.g. discs or clips
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H15/00—Tents or canopies, in general
    • E04H15/32—Parts, components, construction details, accessories, interior equipment, specially adapted for tents, e.g. guy-line equipment, skirts, thresholds
    • E04H15/64—Tent or canopy cover fastenings
    • E04H15/642—Tent or canopy cover fastenings with covers held by elongated fixing members locking in longitudinal recesses of a frame
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H15/00—Tents or canopies, in general
    • E04H15/20—Tents or canopies, in general inflatable, e.g. shaped, strengthened or supported by fluid pressure
    • E04H2015/202—Tents or canopies, in general inflatable, e.g. shaped, strengthened or supported by fluid pressure with inflatable panels, without inflatable tubular framework
    • E04H2015/203—Tents or canopies, in general inflatable, e.g. shaped, strengthened or supported by fluid pressure with inflatable panels, without inflatable tubular framework supported by a non-inflatable structure or framework

Definitions

  • the invention relates to a building enveloping element with at least one holding device, preferably to be arranged in a stationary manner, which has an outer section, the outside of which is directed towards the outside of a building to be provided with the building enveloping element, with at least one film cushion, the one to be arranged on the outside of the building outer film layer and, in addition to the outer film layer, has at least one inner film layer facing the interior of the building, with at least one gas-tight, closed cavity being formed between these two film layers, which cavity contains gas, in particular air, and is anchored to the holding device with an edge section , and with at least one thermal insulating element.
  • the invention relates to the use of a thermal insulating element for a building enveloping element, which has at least one holding device, preferably to be arranged in a stationary manner, which has an outer section which is directed towards the outside of a building to be provided with the building enveloping element, and at least one film cushion which has a outer film layer to be arranged on the outside of the building and, in addition to the outer film layer, has at least one inner film layer facing the interior of the building, with at least one gas-tight closed cavity containing gas, in particular air, being formed between these two film layers, and having a Edge portion is anchored to the holding device, and with at least one thermal insulating element.
  • Such building enveloping elements are known and have long been used, among other things, to form membrane roof systems and membrane facade systems.
  • Foil roof systems and foil facade systems are used in particular in the construction of shopping centers, sports halls, amusement parks and other commercial buildings where conventional roofing is not recommended, be it for structural, economic or visual reasons.
  • the holding device usually consists of a metal profile frame to which the foil element is anchored, as a result of which the effect described can sometimes be intensified.
  • the film element is designed as a film cushion, which has at least one outer film layer and an inner film layer facing the interior of the building, with a gas-tight closed cavity containing gas, in particular air, being formed between these two film layers.
  • the EP 1 348 823 B1 suggest arranging a thermal insulating element within the foil cushion, which keeps the two outer foil layers at a distance, even in the area of the anchoring on the holding device. As a result, a cold bridge that previously occurred at that point is eliminated and the thermal insulating effect of the gas cushion in the film cushion is maintained until it is anchored to the holding device. This construction has meanwhile proven itself in practice.
  • the invention now proposes, in a building enveloping element of the type mentioned at the beginning, the thermal insulating element with a first section on the outside of the outer section of the holding device at least a second portion on the outside of the outer edge portion of the outer foil layer of the foil cushion and thus to be arranged as the outer element.
  • the thermal insulating element according to the invention protrudes beyond the holding device, which is usually a metal profile, and forms thermal insulation with the adjacent edge section of the foil cushion, as a result of which a balanced adiabatic condition is produced.
  • a further advantage of the solution according to the invention is that the film cushion and the thermal insulating element do not form a constructive and structural unit, but can be manufactured and assembled independently of one another and therefore the use of the thermal insulating element according to the invention has no influence whatsoever on the construction of the film cushion and is therefore independent of This is.
  • This not only simplifies assembly - because the thermal insulating element is only to be arranged on the outside of the holding device and the adjacent edge section of the film cushion - but also opens up the possibility of retrofitting existing and already installed building enveloping elements with thermal insulating elements.
  • Preferred embodiments and developments of the invention are specified in the dependent claims.
  • the thermal insulating element can preferably have an insulating body made of thermally insulating solid material, preferably hard foam, and the insulating body in the area of the second section of the thermal insulating element on the outer edge section of the outer film layer of the film cushion directly or over an insulating sealing strip, preferably attached to the thermal insulating element lay up.
  • This design results in an inexpensive and at the same time robust construction.
  • an outer metallic layer, preferably made of aluminum, on the outside of the insulating body and/or an inner metallic layer, preferably made of aluminum, on the inside of the insulating body facing the holding device be arranged outside of the second section.
  • the metallic layer(s) is (are) firmly connected to the insulating body, preferably glued.
  • the metallic layer can expediently consist of a metal profile.
  • a further preferred embodiment, in which the holding device has a first fastening section, on which the edge section of a film cushion is anchored, and a second fastening section, in particular approximately opposite the first fastening section, on which the edge section of a further film cushion is anchored, is characterized by this that the thermal insulating element is arranged with its first section on the outer section of the holding device between the two fastening sections and with a second section on the outer edge section of the outer film layer of one film cushion and with a third section on the outer edge section of the outer film layer of the other film cushion rests.
  • building enveloping element is to be understood not only as a roof or facade element, but also as a building element separating two buildings from one another.
  • a film facade or roofing system of the type in question consists of a large number of film elements arranged essentially next to one another and of a frame structure to which the film elements are anchored and which thus serves as a holding device for the film elements.
  • Figure 1 shows part of a preferred embodiment of a foil roofing system in which the foil elements consist of foil cushions.
  • a frame profile 2 is shown by way of example as part of the mentioned frame structure.
  • a holder 4 is arranged, which consists of a base profile 4a and a cover profile 4b in the exemplary embodiment shown.
  • the bracket 4 is attached to the frame profile 2, for example with the help of in 1 recognizable screws shown and shown in dashed lines, but unspecified.
  • two film cushions 6 arranged next to one another are shown in sections, each of which has an upper film 8 and a lower film 9 .
  • the upper film 8 and the lower film 9 form two external film layers which delimit the respective film cushion 6 and enclose a cavity 10 in a gas-tight manner. Air is blown under pressure into the cavity 10, as a result of which the upper film 8 and the lower film 9 stretch accordingly and give the film cushion 6 the desired shape. Accordingly, the upper film 8 and the lower film 9 form an air cushion between them in the cavity 10.
  • the film cushions 6 also have two intermediate films 11, 12, which divide the cavity 10 into three sections.
  • the film cushions 6 are anchored to the holder 4 with a peripheral edge section 6a.
  • the ends of the films 8, 9, 11 and 12 are welded to form a common layer in the edge section 6a of the film cushion 6, which forms an anchoring section 14.
  • the anchoring section 14 is provided with a piping rope 16 along its edge, which is enclosed by the layer formed jointly from the foils 8 , 9 , 11 and 12 .
  • the foil cushions 6 are anchored to the holder 4 in such a way that their anchoring section 14 is clamped between the base profile 4a and the cover profile 4b and the piping rope 16 is arranged in a receptacle 18 formed in the base profile 4a and closed by the cover profile 4b.
  • the cover profile 4b is pressed against the base profile 4a with the aid of components that are not shown.
  • the structural unit formed from at least one holder 4 and at least one film cushion 6 can also be referred to as a building enveloping element.
  • the top film 8 of the film cushion 10 lies on the outside of the film facade or -roofing system. Accordingly, the cover profile 4b also forms an outer section of the holder 4.
  • the foil facade or roofing system in question is mainly used to separate an interior space from an exterior environment and thus to form an outer shell, in particular a roof, for a building .
  • the film system in question here as a partition wall system to separate two building sections from one another or to separate two interior spaces within a building, so that in such a case in figure 1
  • the arrangement shown by way of example is that of the upper films 8 of the film cushions 10 and from the cover profile 4b of the bracket 4 formed outside to the other building section or to the other interior space and thus delimits it.
  • edge sections of the cover profile 4b extend beyond the base profile 4a in the direction of the film cushions 6, touching the outer edge section 6a of the film cushions 6 and thus in this area on the top film 8 of the film cushions 6 would rest; because in such a case the effect described above could be increased, not least because the cover profile 4b is made of metal.
  • a thermal insulating element 20 is used, which is placed on the outside of the cover profile 4b of the support 4, as shown in FIG 1 reveals.
  • the thermal insulating element 20 has an essentially plate-shaped solid body 22, the material of which has good thermal insulating properties. Hard foam can be used as the material, for example. how 1 can also be seen that the insulating solid body 22 rests with its underside 22a facing the holder 4 in the region of its edge sections 22b adjacent to the film cushion 6 via an insulating sealing strip 24 on the outside of the upper film 8 in the edge section 6a of the film cushion 6.
  • the insulating sealing strips 24 are preferably made of soft foam, which is formed in the manner of foam rubber, and are preferably attached to the underside of the insulating solid body 22, in particular by gluing. Alternatively, it is also fundamentally conceivable to do without the sealing strips 24 and to establish direct contact between the top film 8 of the film cushion 6 and the insulating solid body 22 of the thermal insulating element 20 .
  • the thermal insulating element 20 has an upper metal profile 26 and a lower metal profile 28, these two metal profiles 26, 28 framing the insulating solid body 22, so to speak, and are preferably made of aluminum and are attached to it by gluing.
  • the top side of the insulating solid body 22 is essentially covered by the top metal profile 26, while the bottom side 22a of the insulating solid body 22 is left free by the bottom metal profile 28 in that area on which the sealing strip 24 is arranged and a thermal connection between the upper film 8 of the film cushion 6 and the insulating solid body 22 is produced.
  • the thermal insulating element 20 is preferably attached to the cover profile 4b of the holder 4. The components required for this are in 1 not shown.
  • the thermal insulating element 20 is usually screwed to the holder 4 . In principle, however, other fastening options are also conceivable.
  • a condensate channel 30 is arranged between the profile frame 2 and the holder 4 in order to collect any condensate that may occur despite the use of the thermal insulating element 20 described above.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Building Environments (AREA)

Description

Die Erfindung betrifft ein Gebäudeumhüllungselement mit mindestens einer, vorzugsweise stationär anzuordnenden, Halteeinrichtung, die einen äußeren Abschnitt aufweist, der mit seiner Außenseite zur Außenseite eines mit dem Gebäudeumhüllungselement zu versehenden Gebäudes gerichtet ist, mit mindestens einem Folienkissen, das eine an der Außenseite des Gebäudes anzuordnende äußere Folienlage und zusätzlich zur äußeren Folienlage mindestens eine zum Innenraum des Gebäudes gerichtete innere Folienlage aufweist, wobei zwischen diesen beiden Folienlagen mindestens ein gasdicht geschlossener Hohlraum gebildet ist, in dem Gas, insbesondere Luft, enthalten ist, und mit einem Randabschnitt an der Halteeinrichtung verankert ist, und mit mindestens einem thermischen Isolierelement. Ferner betrifft die Erfindung die Verwendung eines thermischen Isolierelementes für ein Gebäudeumhüllungselement, das mindestens eine, vorzugsweise stationär anzuordnende, Halteeinrichtung, die einen äußeren Abschnitt aufweist, der zur Außenseite eines mit dem Gebäudeumhüllungselement zu versehenden Gebäudes gerichtet ist, und mindestens ein Folienkissen aufweist, das eine an der Außenseite des Gebäudes anzuordnende äußere Folienlage und zusätzlich zur äußeren Folienlage mindestens eine zum Innenraum des Gebäudes gerichtete innere Folienlage aufweist, wobei zwischen diesen beiden Folienlagen mindestens ein gasdicht geschlossener Hohlraum gebildet ist, in dem Gas, insbesondre Luft, enthalten ist, und mit einem Randabschnitt an der Halteeinrichtung verankert ist, und mit mindestens einem thermischen Isolierelement.The invention relates to a building enveloping element with at least one holding device, preferably to be arranged in a stationary manner, which has an outer section, the outside of which is directed towards the outside of a building to be provided with the building enveloping element, with at least one film cushion, the one to be arranged on the outside of the building outer film layer and, in addition to the outer film layer, has at least one inner film layer facing the interior of the building, with at least one gas-tight, closed cavity being formed between these two film layers, which cavity contains gas, in particular air, and is anchored to the holding device with an edge section , and with at least one thermal insulating element. Furthermore, the invention relates to the use of a thermal insulating element for a building enveloping element, which has at least one holding device, preferably to be arranged in a stationary manner, which has an outer section which is directed towards the outside of a building to be provided with the building enveloping element, and at least one film cushion which has a outer film layer to be arranged on the outside of the building and, in addition to the outer film layer, has at least one inner film layer facing the interior of the building, with at least one gas-tight closed cavity containing gas, in particular air, being formed between these two film layers, and having a Edge portion is anchored to the holding device, and with at least one thermal insulating element.

Derartige Gebäudeumhüllungselemente sind bekannt und finden seit längerem unter anderem Verwendung zur Bildung von Foliendachsystemen sowie Folienfassadensystemen. Foliendachsysteme und Folienfassadensysteme werden insbesondere bei der Errichtung von Einkaufszentren, Sporthallen, Vergnügungsparks und sonstigen gewerblichen Bauten verwendet, wo sich eine herkömmliche Bedachung nicht empfiehlt, sei es aus konstruktiven, wirtschaftlichen oder optischen Gründen.Such building enveloping elements are known and have long been used, among other things, to form membrane roof systems and membrane facade systems. Foil roof systems and foil facade systems are used in particular in the construction of shopping centers, sports halls, amusement parks and other commercial buildings where conventional roofing is not recommended, be it for structural, economic or visual reasons.

In der Praxis hat sich herausgestellt, dass im Bereich der Verankerung eines Folienelementes an der Halteeinrichtung eine Kältebrücke entstehen kann, wodurch die Isolierwirkung des Foliensystems im Wesentlichen vollständig verloren gehen kann. Dieser nachteilige Effekt macht sich bei größeren Temperaturunterschieden zwischen der Innenseite und der Außenseite des Gebäudeumhüllungselementes besonders bemerkbar, und zwar insbesondere im Falle niedriger Außentemperaturen. Die Halteeinrichtung besteht gewöhnlich aus einem Metallprofilrahmen, an dem das Folienelement verankert ist, wodurch der beschriebene Effekt mitunter noch verstärkt werden kann.In practice, it has been found that a thermal bridge can occur in the area where a film element is anchored to the holding device, as a result of which the insulating effect of the film system can be essentially completely lost. This disadvantageous effect is particularly noticeable in the case of larger temperature differences between the inside and outside of the building enveloping element, in particular in the case of low outside temperatures. The holding device usually consists of a metal profile frame to which the foil element is anchored, as a result of which the effect described can sometimes be intensified.

Für den Fall, dass das Folienelement als Folienkissen ausgebildet ist, das mindestens eine äußere Folienlage und eine zum Innenraum des Gebäudes gerichtete innere Folienlage aufweist, wobei zwischen diesen beiden Folienlagen ein gasdicht geschlossener Hohlraum gebildet ist, in dem Gas, insbesondere Luft, enthalten ist, schlägt zur Vermeidung des zuvor erwähnten Problems die EP 1 348 823 B1 vor, innerhalb des Folienkissens ein thermisches Isolierelement anzuordnen, das die beiden außen liegenden Folienlagen auch im Bereich der Verankerung an der Halteeinrichtung auf Abstand hält. Dadurch wird eine bislang an jener Stelle auftretende Kältebrücke beseitigt und die thermische Isolierwirkung des Gaspolsters im Folienkissen bis zur Verankerung an der Halteeinrichtung aufrechterhalten. Diese Konstruktion hat sich in der Praxis mittlerweile gut bewährt.In the event that the film element is designed as a film cushion, which has at least one outer film layer and an inner film layer facing the interior of the building, with a gas-tight closed cavity containing gas, in particular air, being formed between these two film layers, suggests to avoid the previously mentioned problem the EP 1 348 823 B1 suggest arranging a thermal insulating element within the foil cushion, which keeps the two outer foil layers at a distance, even in the area of the anchoring on the holding device. As a result, a cold bridge that previously occurred at that point is eliminated and the thermal insulating effect of the gas cushion in the film cushion is maintained until it is anchored to the holding device. This construction has meanwhile proven itself in practice.

Demgegenüber schlägt die Erfindung nun vor, bei einem Gebäudeumhüllungselement der eingangs genannten Art das thermische Isolierelement mit einem ersten Abschnitt auf der Außenseite des äußeren Abschnittes der Halteeinrichtung, mit mindestens einem zweiten Abschnitt auf der Außenseite des äußeren Randabschnittes der äußeren Folienlage des Folienkissens und somit als das äußere Element anzuordnen.In contrast, the invention now proposes, in a building enveloping element of the type mentioned at the beginning, the thermal insulating element with a first section on the outside of the outer section of the holding device at least a second portion on the outside of the outer edge portion of the outer foil layer of the foil cushion and thus to be arranged as the outer element.

Demnach ragt das erfindungsgemäße thermische Isolierelement über die Halteeinrichtung, bei der es sich gewöhnlich um ein Metallprofil handelt, hinaus und bildet mit dem benachbarten Randabschnitt des Folienkissens eine thermische Isolierung, wodurch ein ausgeglichener adiabatischer Zustand hergestellt wird.Accordingly, the thermal insulating element according to the invention protrudes beyond the holding device, which is usually a metal profile, and forms thermal insulation with the adjacent edge section of the foil cushion, as a result of which a balanced adiabatic condition is produced.

Ein weiterer Vorteil der erfindungsgemäßen Lösung besteht darin, dass das Folienkissens und das thermische Isolierelement keine konstruktive und bauliche Einheit bilden, sondern unabhängig voneinander herstellbar und montierbar sind und somit die Verwendung des erfindungsgemäßen thermischen Isolierelementes keinerlei Einfluss auf die Konstruktion des Folienkissens hat und deshalb unabhängig von dieser ist. Dadurch wird nicht nur die Montage vereinfacht - denn das thermische Isolierelement ist lediglich an der Außenseite der Halteeinrichtung und des benachbarten Randabschnittes des Folienkissens anzuordnen -, sondern eröffnet sich auch die Möglichkeit, vorhandene und bereits installierte Gebäudeumhüllungselemente mit thermischen Isolierelementen nachzurüsten. Bevorzugte Ausführungen und Weiterbildungen der Erfindung sind in den abhängigen Ansprüchen angegeben.A further advantage of the solution according to the invention is that the film cushion and the thermal insulating element do not form a constructive and structural unit, but can be manufactured and assembled independently of one another and therefore the use of the thermal insulating element according to the invention has no influence whatsoever on the construction of the film cushion and is therefore independent of This is. This not only simplifies assembly - because the thermal insulating element is only to be arranged on the outside of the holding device and the adjacent edge section of the film cushion - but also opens up the possibility of retrofitting existing and already installed building enveloping elements with thermal insulating elements. Preferred embodiments and developments of the invention are specified in the dependent claims.

So kann bevorzugt das thermische Isolierelement einen Isolierkörper aus thermisch isolierendem Feststoff, vorzugsweise Hartschaumstoff, aufweisen und der Isolierkörper im Bereich des zweiten Abschnittes des thermischen Isolierelementes auf dem äußeren Randabschnitt der äußeren Folienlage des Folienkissens direkt oder über einem, bevorzugt am thermischen Isolierelement angebrachten, isolierenden Dichtstreifen aufliegen. Diese Ausführung ergibt eine preiswerte und zugleich robuste Konstruktion.The thermal insulating element can preferably have an insulating body made of thermally insulating solid material, preferably hard foam, and the insulating body in the area of the second section of the thermal insulating element on the outer edge section of the outer film layer of the film cushion directly or over an insulating sealing strip, preferably attached to the thermal insulating element lay up. This design results in an inexpensive and at the same time robust construction.

Ferner kann eine äußere metallische Lage, vorzugsweise aus Aluminium, an der Außenseite des Isolierkörpers und/oder eine innere metallische Lage, vorzugsweise aus Aluminium, an der zur Halteeinrichtung weisenden Innenseite des Isolierkörpers außerhalb des zweiten Abschnittes angeordnet sein. Bei einer Weiterbildung dieser Ausführungen ist (sind) die metallische(n) Lage(n) mit dem Isolierkörper fest verbunden, vorzugsweise verklebt. Außerdem kann die metallische Lage zweckmäßigerweise aus einem Metallprofil bestehen. Durch die Verwendung derartiger metallischer Lagen lässt sich die Stabilität und Steifigkeit des thermischen Isolierelementes noch weiter erhöhen, was sich vorteilhaft auf die Handhabung insbesondere bei der Montage auswirkt.Furthermore, an outer metallic layer, preferably made of aluminum, on the outside of the insulating body and/or an inner metallic layer, preferably made of aluminum, on the inside of the insulating body facing the holding device be arranged outside of the second section. In a further development of this embodiment, the metallic layer(s) is (are) firmly connected to the insulating body, preferably glued. In addition, the metallic layer can expediently consist of a metal profile. By using such metallic layers, the stability and rigidity of the thermal insulating element can be increased even further, which has an advantageous effect on handling, particularly during assembly.

Eine weitere bevorzugte Ausführung, bei welcher die Halteeinrichtung einen ersten Befestigungsabschnitt, an dem der Randabschnitt eines Folienkissens verankert ist, und einen, insbesondere dem ersten Befestigungsabschnitt etwa gegenüberliegenden, zweiten Befestigungsabschnitt aufweist, an dem der Randabschnitt eines weiteren Folienkissens verankert ist, zeichnet sich dadurch aus, dass das thermische Isolierelement mit seinem ersten Abschnitt am äußeren Abschnitt der Halteeinrichtung zwischen deren beiden Befestigungsabschnitten angeordnet ist und mit einem zweiten Abschnitt auf dem äußeren Randabschnitt der äußeren Folienlage des einen Folienkissens und mit einem dritten Abschnitt auf dem äußeren Randabschnitt der äußeren Folienlage des weiteren Folienkissens aufliegt.A further preferred embodiment, in which the holding device has a first fastening section, on which the edge section of a film cushion is anchored, and a second fastening section, in particular approximately opposite the first fastening section, on which the edge section of a further film cushion is anchored, is characterized by this that the thermal insulating element is arranged with its first section on the outer section of the holding device between the two fastening sections and with a second section on the outer edge section of the outer film layer of one film cushion and with a third section on the outer edge section of the outer film layer of the other film cushion rests.

An dieser Stelle sei noch der guten Vollständigkeit halber angemerkt, dass unter "Gebäudeumhüllungselement" nicht nur ein Dach- oder Fassadenelement, sondern auch ein zwei Gebäude voneinander trennendes Gebäudeelement zu verstehen ist.At this point, for the sake of completeness, it should be noted that "building enveloping element" is to be understood not only as a roof or facade element, but also as a building element separating two buildings from one another.

Nachfolgend wird ein bevorzugtes Ausführungsbeispiel der Erfindung anhand der beiliegenden Zeichnung näher erläutert. Es zeigt:

Figur 1
schematisch im Querschnitt eine Einzelheit eines Folienfassaden- oder -bedachungssystems mit einer Halterung und beidseitig daran befestigten Abschnitten von Folienkissen.
A preferred exemplary embodiment of the invention is explained in more detail below with reference to the accompanying drawing. It shows:
figure 1
Schematically, in cross section, a detail of a film facade or roofing system with a holder and sections of film cushions attached to it on both sides.

Ein Folienfassaden- oder - bedachungssystem der hier in Rede stehenden Art besteht aus einer Vielzahl von im Wesentlichen nebeneinander angeordneten Folienelementen sowie aus einer Rahmenstruktur, an der die Folienelemente verankert sind und die somit als Halteeinrichtung für die Folienelemente dient. In Fig. 1 ist ein Teil einer bevorzugten Ausführung eines Folienbedachungssystems gezeigt, bei welcher die Folienelemente aus Folienkissen bestehen.A film facade or roofing system of the type in question consists of a large number of film elements arranged essentially next to one another and of a frame structure to which the film elements are anchored and which thus serves as a holding device for the film elements. In 1 Figure 1 shows part of a preferred embodiment of a foil roofing system in which the foil elements consist of foil cushions.

Konkret ist in Fig. 1 beispielhaft ein Rahmenprofil 2 als Teil der erwähnten Rahmenstruktur gezeigt. An einer Seite des Rahmenprofils - in der Darstellung von Figur 1 ist es die Oberseite - ist eine Halterung 4 angeordnet, die im dargestellten Ausführungsbeispiel aus einem Basisprofil 4a und einem Deckelprofil 4b besteht. Mit dem Basisprofil 4a ist die Halterung 4 am Rahmenprofil 2 befestigt, und zwar beispielsweise mit Hilfe von in Fig. 1 erkennbar gezeigten und gestrichelt dargestellten, jedoch nicht näher bezeichneten Schrauben.Specifically is in 1 a frame profile 2 is shown by way of example as part of the mentioned frame structure. On one side of the frame profile - in the depiction of figure 1 if it is the top side, a holder 4 is arranged, which consists of a base profile 4a and a cover profile 4b in the exemplary embodiment shown. With the base profile 4a, the bracket 4 is attached to the frame profile 2, for example with the help of in 1 recognizable screws shown and shown in dashed lines, but unspecified.

Ferner sind in Fig. 1 beispielhaft zwei nebeneinander angeordnete Folienkissen 6 abschnittsweise dargestellt, die jeweils eine Oberfolie 8 und eine Unterfolie 9 aufweisen. Die Oberfolie 8 und die Unterfolie 9 bilden zwei außenliegende Folienlagen, die das jeweilige Folienkissen 6 begrenzen und gasdicht einen Hohlraum 10 umschließen. In den Hohlraum 10 wird unter Druck Luft eingeblasen, wodurch sich die Oberfolie 8 und die Unterfolie 9 entsprechend spannen und dem Folienkissen 6 die gewünschte Form verleihen. Demnach bilden die Oberfolie 8 und die Unterfolie 9 zwischen sich ein Luftpolster im Hohlraum 10. Im dargestellten Ausführungsbeispiel weisen die Folienkissen 6 noch zwei Zwischenfolien 11, 12 auf, die den Hohlraum 10 in drei Abschnitte unterteilen.Furthermore, in 1 as an example, two film cushions 6 arranged next to one another are shown in sections, each of which has an upper film 8 and a lower film 9 . The upper film 8 and the lower film 9 form two external film layers which delimit the respective film cushion 6 and enclose a cavity 10 in a gas-tight manner. Air is blown under pressure into the cavity 10, as a result of which the upper film 8 and the lower film 9 stretch accordingly and give the film cushion 6 the desired shape. Accordingly, the upper film 8 and the lower film 9 form an air cushion between them in the cavity 10. In the exemplary embodiment shown, the film cushions 6 also have two intermediate films 11, 12, which divide the cavity 10 into three sections.

Die Folienkissen 6 sind mit einem umlaufenden Randabschnitt 6a an der Halterung 4 verankert. Hierzu sind im Randabschnitt 6a des Folienkissens 6 die Enden der Folien 8, 9, 11 und 12 zu einer gemeinsamen Lage verschweißt, die einen Verankerungsabschnitt 14 bildet. Entlang seines Randes ist der Verankerungsabschnitt 14 mit einem Kedertau 16 versehen, das von der aus den Folien 8, 9, 11 und 12 gemeinsam gebildeten Lage umschlossen wird.The film cushions 6 are anchored to the holder 4 with a peripheral edge section 6a. For this purpose, the ends of the films 8, 9, 11 and 12 are welded to form a common layer in the edge section 6a of the film cushion 6, which forms an anchoring section 14. The anchoring section 14 is provided with a piping rope 16 along its edge, which is enclosed by the layer formed jointly from the foils 8 , 9 , 11 and 12 .

Wie Fig. 1 ferner erkennen lässt, sind die Folienkissen 6 an der Halterung 4 derart verankert, dass deren Verankerungsabschnitt 14 zwischen dem Basisprofil 4a und dem Deckelprofil 4b eingeklemmt und das Kedertau 16 in einer im Basisprofil 4a ausgebildeten und vom Deckelprofil 4b verschlossenen Aufnahme 18 angeordnet ist. Hierzu wird mit Hilfe von nicht dargestellten Komponenten das Deckelprofil 4b gegen das Basisprofil 4a gedrückt.how 1 can also be seen that the foil cushions 6 are anchored to the holder 4 in such a way that their anchoring section 14 is clamped between the base profile 4a and the cover profile 4b and the piping rope 16 is arranged in a receptacle 18 formed in the base profile 4a and closed by the cover profile 4b. For this purpose, the cover profile 4b is pressed against the base profile 4a with the aid of components that are not shown.

Die aus mindestens einer Halterung 4 und mindestens einem Folienkissen 6 gebildete Baueinheit kann auch als Gebäudeumhüllungselement bezeichnet werden.The structural unit formed from at least one holder 4 and at least one film cushion 6 can also be referred to as a building enveloping element.

Während die Unterfolie 9 zu einem Innenraum weist, der von dem hier in Rede stehenden Folienfassaden- bzw. -bedachungssystem begrenzt oder umschlossen wird, und somit die Innenseite der Folienkissen bildet, liegt die Oberfolie 8 der Folienkissen 10 an der Außenseite des Folienfassaden- bzw. -bedachungssystems. Dementsprechend bildet auch das Deckelprofil 4b einen äußeren Abschnitt der Halterung 4. Hauptsächlich wird das hier in Rede stehende Folienfassaden- bzw. -bedachungssystem dazu verwendet, einen Innenraum gegenüber einer äußeren Umgebung abzutrennen und somit eine Außenhülle, insbesondere ein Dach, für ein Gebäude zu bilden. Alternativ ist es aber grundsätzlich auch denkbar, das hier in Rede stehende Foliensystem als Trennwandsystem zur Trennung zweier Gebäudeabschnitte voneinander oder zur Trennung zweier Innenräume innerhalb eines Gebäudes zu verwenden, so dass in einem solchen Fall bei der in Figur 1 beispielhaft gezeigten Anordnung die von den Oberfolien 8 der Folienkissen 10 und vom Deckelprofil 4b der Halterung 4 gebildeten Außenseite zum anderen Gebäudeabschnitt oder zum anderen Innenraum weist und diesen somit begrenzt.While the bottom film 9 faces an interior space that is delimited or enclosed by the film facade or roofing system in question here, and thus forms the inside of the film cushion, the top film 8 of the film cushion 10 lies on the outside of the film facade or -roofing system. Accordingly, the cover profile 4b also forms an outer section of the holder 4. The foil facade or roofing system in question is mainly used to separate an interior space from an exterior environment and thus to form an outer shell, in particular a roof, for a building . Alternatively, it is fundamentally also conceivable to use the film system in question here as a partition wall system to separate two building sections from one another or to separate two interior spaces within a building, so that in such a case in figure 1 The arrangement shown by way of example is that of the upper films 8 of the film cushions 10 and from the cover profile 4b of the bracket 4 formed outside to the other building section or to the other interior space and thus delimits it.

In der Praxis hat sich herausgestellt, dass im Bereich der Verankerung der Folienkissen 6 an der Halterung 4 eine Kältebrücke zwischen der Oberfolie 8 und der Unterfolie 9 und somit zwischen der Außenseite und der Innenseite bzw. zwischen beiden Seiten der Folienkissen 6 auftreten kann. Dadurch kann die Isolierwirkung des mit Luft gefüllten Hohlraumes 10 in den Folienkissen 6 beeinträchtigt oder sogar im Wesentlichen vollständig verlorengehen. Dieser nachteilige Effekt macht sich bei größeren Temperaturunterschieden zwischen den beiden Seiten der Folienkissen 6 besonders bemerkbar. Ebenfalls ist es in diesem Zusammenhang von Nachteil, wenn das Deckelprofil 4b mit seinen Randabschnitten sich über das Basisprofil 4a hinaus in Richtung auf die Folienkissen 6 erstrecken, dabei den äußeren Randabschnitt 6a der Folienkissen 6 berühren und somit in diesem Bereich auf der Oberfolie 8 der Folienkissen 6 aufliegen würde; denn in einem solchen Fall könnte der zuvor beschriebene Effekt noch verstärkt werden, nicht zuletzt, weil das Deckelprofil 4b aus Metall besteht.In practice it has been found that in the area where the film cushions 6 are anchored to the holder 4, a cold bridge can occur between the upper film 8 and the lower film 9 and thus between the outside and the inside or between both sides of the film cushions 6. As a result, the insulating effect of the cavity 10 filled with air in the film cushion 6 can be impaired or even essentially completely lost. This disadvantageous effect is particularly noticeable in the case of larger temperature differences between the two sides of the film cushion 6 . It is also disadvantageous in this context if the edge sections of the cover profile 4b extend beyond the base profile 4a in the direction of the film cushions 6, touching the outer edge section 6a of the film cushions 6 and thus in this area on the top film 8 of the film cushions 6 would rest; because in such a case the effect described above could be increased, not least because the cover profile 4b is made of metal.

Um das Auftreten einer Kältebrücke zu verhindern, wird ein thermisches Isolierelement 20 verwendet, das auf der Außenseite des Deckelprofils 4b der Halterung 4 angeordnet wird, wie Fig. 1 erkennen lässt. Im dargestellten Ausführungsbeispiel weist das thermische Isolierelement 20 einen im Wesentlichen plattenförmigen Feststoffkörper 22 auf, dessen Material gute thermische Isoliereigenschaften besitzt. Als Material kann beispielsweise Hartschaum verwendet werden. Wie Fig. 1 ferner erkennen lässt, liegt der isolierende Feststoffkörper 22 mit seiner zur Halterung 4 weisenden Unterseite 22a im Bereich seiner zu den Folienkissen 6 benachbarten Randabschnitte 22b über einen isolierenden Dichtstreifen 24 auf der Außenseite der Oberfolie 8 im Randabschnitt 6a der Folienkissen 6 auf. Die isolierenden Dichtstreifen 24 bestehen bevorzugt aus weichem Schaumstoff, der nach Art eines Moosgummis gebildet ist, und sind bevorzugt an der Unterseite des isolierenden Feststoffkörpers 22, insbesondere durch Verkleben, befestigt. Alternativ ist es aber auch grundsätzlich denkbar, auf die Dichtstreifen 24 zu verzichten und einen direkten Kontakt zwischen der Oberfolie 8 der Folienkissen 6 und dem isolierenden Feststoffkörper 22 des thermischen Isolierelementes 20 herzustellen.In order to prevent the occurrence of a cold bridge, a thermal insulating element 20 is used, which is placed on the outside of the cover profile 4b of the support 4, as shown in FIG 1 reveals. In the exemplary embodiment shown, the thermal insulating element 20 has an essentially plate-shaped solid body 22, the material of which has good thermal insulating properties. Hard foam can be used as the material, for example. how 1 can also be seen that the insulating solid body 22 rests with its underside 22a facing the holder 4 in the region of its edge sections 22b adjacent to the film cushion 6 via an insulating sealing strip 24 on the outside of the upper film 8 in the edge section 6a of the film cushion 6. The insulating sealing strips 24 are preferably made of soft foam, which is formed in the manner of foam rubber, and are preferably attached to the underside of the insulating solid body 22, in particular by gluing. Alternatively, it is also fundamentally conceivable to do without the sealing strips 24 and to establish direct contact between the top film 8 of the film cushion 6 and the insulating solid body 22 of the thermal insulating element 20 .

Wie Fig. 1 ferner erkennen lässt, weist das thermische Isolierelement 20 ein oberes Metallprofil 26 und ein unteres Metallprofil 28 auf, wobei diese beiden Metallprofile 26, 28 den isolierenden Feststoffkörper 22 sozusagen einrahmen und bevorzugt aus Aluminium bestehen und durch Verkleben an diesem befestigt sind. Wie Fig. 1 ebenfalls erkennen lässt, wird durch das obere Metallprofil 26 die Oberseite des isolierenden Feststoffkörpers 22 im Wesentlichen bedeckt, während vom unteren Metallprofil 28 die Unterseite 22a des isolierenden Feststoffkörpers 22 in demjenigen Bereich frei gelassen wird, an welchem der Dichtstreifen 24 angeordnet und eine thermische Verbindung zwischen der Oberfolie 8 der Folienkissen 6 und dem isolierenden Feststoffkörper 22 hergestellt wird. Vor jenem Bereich 22b endet nicht nur das untere Metallprofil 28 des thermischen Isolierelementes 20, sondern ebenfalls sowohl das Deckelprofil 4b als auch das Basisprofil 4a der Halterung 4, wie Fig. 1 ferner erkennen lässt. Somit ragt auch das Deckelprofil 4b seitlich nicht über das Halteprofil 4a hinaus, wodurch ebenfalls gewährleistet wird, dass die Oberfolie 8 im Randabschnitt 6a der Folienkissen 6 für eine direkte thermische Verbindung über den Dichtstreifen 24 mit dem isolierenden Feststoffkörper 22 des thermischen Isolierelementes 20 frei bleibt. Demnach ragt das thermische Isolierelement 20 mit seinen beiden Seitenrändern über die Halterung 4 hinaus und liegt insoweit auf der Oberfolie 8 der jeweils benachbarten Folienkissen 6 auf.how 1 Furthermore, the thermal insulating element 20 has an upper metal profile 26 and a lower metal profile 28, these two metal profiles 26, 28 framing the insulating solid body 22, so to speak, and are preferably made of aluminum and are attached to it by gluing. how 1 can also be seen, the top side of the insulating solid body 22 is essentially covered by the top metal profile 26, while the bottom side 22a of the insulating solid body 22 is left free by the bottom metal profile 28 in that area on which the sealing strip 24 is arranged and a thermal connection between the upper film 8 of the film cushion 6 and the insulating solid body 22 is produced. Before that area 22b ends not only the lower metal profile 28 of the thermal insulating element 20, but also both the cover profile 4b and the base profile 4a of the holder 4, such as 1 further recognizable. Thus, the cover profile 4b does not protrude laterally beyond the holding profile 4a, which also ensures that the top film 8 in the edge section 6a of the film cushion 6 remains free for a direct thermal connection via the sealing strip 24 to the insulating solid body 22 of the thermal insulating element 20. Accordingly, the thermal insulating element 20 protrudes with its two side edges beyond the holder 4 and in this respect rests on the top film 8 of the respectively adjacent film cushion 6 .

Befestigt wird das thermische Isolierelement 20 bevorzugt am Deckelprofil 4b der Halterung 4. Die hierfür benötigten Komponenten sind in Fig. 1 nicht dargestellt. Gewöhnlich wird das thermische Isolierelement 20 an der Halterung 4 verschraubt. Grundsätzlich sind aber auch andere Befestigungsmöglichkeiten denkbar.The thermal insulating element 20 is preferably attached to the cover profile 4b of the holder 4. The components required for this are in 1 not shown. The thermal insulating element 20 is usually screwed to the holder 4 . In principle, however, other fastening options are also conceivable.

Abschließend sei noch angemerkt, dass im dargestellten Ausführungsbeispiel gemäß Fig. 1 zwischen dem Profilrahmen 2 und der Halterung 4 eine Kondensatrinne 30 angeordnet ist, um trotz Verwendung des zuvor beschriebenen thermischen Isolierelementes 20 eventuell auftretendes Kondensat aufzufangen.Finally, it should be noted that in the illustrated embodiment according to 1 A condensate channel 30 is arranged between the profile frame 2 and the holder 4 in order to collect any condensate that may occur despite the use of the thermal insulating element 20 described above.

Claims (8)

  1. Building covering element comprising at least one fastening device (4), preferably arranged to be stationary, comprising an outer section (4b) which, with its outside, is directed towards the outside of a building to be provided with the building covering element, at least one film cushion (6) comprising an outer film layer (8) to be arranged on the outside of the building and, in addition to the outer film layer (8), at least one inner film layer (9) directed towards the interior of the building, wherein at least one chamber (10) sealed in a gas-tight manner is formed between these two film layers (8, 9), in which chamber gas, in particular air, is contained, and anchored to an edge section (6a) on the fastening device (4), and comprising at least one thermal insulating element (20),
    characterised in that the thermal insulating element (20) with a first section (22a) is arranged on the outside of the outer section (4b) of the fastening device (4), with at least one second section (22b) bears on the outside of the edge section (6a) of the outer film layer (8) of the film cushion (6), is thus provided as the outer element.
  2. Element according to claim 1, characterised in that the thermal insulating element (20) comprises an insulating body (22) made of thermal insulating solid material, preferably hard foam, and the insulating body (22) in the area of the second section of the thermal insulating element (20) rests on the edge section (6a) of the outer film layer (8) of the film cushion (6) either directly or over an insulating sealing strip (24) preferably attached to the thermal insulating element.
  3. Element according to claim 1 or 2, characterised in that an outer metal layer (26), preferably made of aluminium, is arranged on the outside of the insulating body (22) outside the second section (22b).
  4. Element according to one of the preceding claims, characterised in that an inner metal layer (28), preferably made of aluminium, is arranged on the inside of the insulating body (22) pointing towards the fastening device (4) outside the second section (22b).
  5. Element according to claim 3 or 4, characterised in that the metal layer (26, 28) is securely connected to the insulating body (22), preferably adhered thereto.
  6. Element according to at least one of claims 3 to 5, characterised in that the metal layer consists of a metal profile (26, 28).
  7. Element according to one of the preceding claims, in which the fastening device (4) comprises a first fastening section, on which the edge section (6a) of a film cushion (6) is anchored, and a second fastening section which is in particular approximately opposite the first fastening section, on which the edge section (6a) of another film cushion (6) is anchored,
    characterised in that the thermal insulating element (20) is arranged with its first section (22a) on the outer section (4b) of the fastening device (4) between its two fastening sections and with a second section (22b) on the edge section (6a) of the outer film layer (8) of one film cushion (6) and with a third section (22b) on the edge section (6a) of the outer film layer (8) of the other film cushion (6).
  8. Use of a thermal insulating element for a building covering element, which comprises at least one fastening device (4), preferably arranged to be stationary, comprising an outer section (4b) which is directed towards the outside of a building to be provided with the building covering element, and at least one film cushion (6) comprising an outer film layer (8) to be arranged on the outside of the building and, in addition to the outer film layer (8), at least one inner film layer (9) directed towards the interior of the building, wherein at least one chamber (10) sealed in a gas-tight manner is formed between these two film layers (8, 9), in which chamber gas, in particular air, is contained, and anchored to an edge section (6a) on the fastening device (4),
    characterised in that the thermal insulating element (20) is arranged with a first section (22a) on the outside of the outer section (4b) of the fastening device (4) and with at least one second section (22b) on the outside of the edge section (6a) of the outer film layer (8) of the film cushion (6) and thus as the outer element.
EP11787882.7A 2010-11-24 2011-11-24 Building envelope element comprising a thermal insulating element Active EP2643534B2 (en)

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DE202010015743U DE202010015743U1 (en) 2010-11-24 2010-11-24 Building cladding element with thermal insulation element
PCT/EP2011/070946 WO2012069589A1 (en) 2010-11-24 2011-11-24 Building envelope element comprising a thermal insulating element

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EP2643534A1 EP2643534A1 (en) 2013-10-02
EP2643534B1 EP2643534B1 (en) 2015-01-07
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EP (1) EP2643534B2 (en)
CN (1) CN103328743B (en)
DE (1) DE202010015743U1 (en)
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PL (1) PL2643534T5 (en)
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PL2643534T5 (en) 2022-09-05
US10047522B2 (en) 2018-08-14
RU2567929C2 (en) 2015-11-10
WO2012069589A1 (en) 2012-05-31
PL2643534T3 (en) 2015-07-31
EP2643534A1 (en) 2013-10-02
DK2643534T4 (en) 2022-06-27
DK2643534T3 (en) 2015-02-16
RU2013128533A (en) 2014-12-27
US20140007536A1 (en) 2014-01-09
EP2643534B1 (en) 2015-01-07
CN103328743A (en) 2013-09-25
CN103328743B (en) 2016-05-04
DE202010015743U1 (en) 2012-03-01

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