EP2733272A1 - Systèmes composites d'isolation thermique pour façades de bâtiment - Google Patents

Systèmes composites d'isolation thermique pour façades de bâtiment Download PDF

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Publication number
EP2733272A1
EP2733272A1 EP13192825.1A EP13192825A EP2733272A1 EP 2733272 A1 EP2733272 A1 EP 2733272A1 EP 13192825 A EP13192825 A EP 13192825A EP 2733272 A1 EP2733272 A1 EP 2733272A1
Authority
EP
European Patent Office
Prior art keywords
layer
thermal insulation
composite system
perforated plates
insulation composite
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP13192825.1A
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German (de)
English (en)
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EP2733272B1 (fr
Inventor
Stefan-Josef Kudlek
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Knauf Gips KG
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Knauf Marmorit GmbH
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Publication of EP2733272A1 publication Critical patent/EP2733272A1/fr
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • E04B1/762—Exterior insulation of exterior walls

Definitions

  • the invention relates to a thermal insulation composite system for building facades according to the preamble of claim 1.
  • thermal insulation systems which generally comprise a coat of insulation applied to the building wall of, for example, EPS or mineral fiber plates and a coat of plaster applied to the insulating layer.
  • the plaster layer has an embedded Armiergewebelage.
  • the known composite thermal insulation systems have the required thermal insulation values, but are susceptible to (punctual, dynamic) impact stresses (impacts or perforations) acting on the front side of the plaster layer. If an object such as a bicycle, for example, ajar against the plaster layer, it may or the like, depending on the force with which the object is leaned against the plaster layer to indentations, cracking or chipping. come in the plaster layer. This risk is greater, the lower the compressive strength of the insulating layer of the thermal insulation composite system, is.
  • stiffened plaster base are known in the prior art, but do not meet the requirements for the desired impact resistance.
  • Examples of stiffened plaster girders are in WO-A-2012/031 674 .
  • the object of the invention is to provide a composite thermal insulation system, which has an increased impact resistance.
  • perforated plates a rigid, impact strength-increasing, destructive or damage-free layer of perforated plates
  • the plates are arranged in the embedding layer and thus lead to a non-positive bond in the thermal insulation composite system. Pointing dynamic loads of the investment layer are passed over this to the perforated plates and distributed by them in the area and can thus be absorbed by the relatively soft insulating layer, without the Investment layer Cracking or flaking or the like Damage (possibly impressions or the like.) Experiences.
  • the perforated plates thus form stress-distributing elements and thus differ substantially from the properties of the Armiergewebes, which is embedded in the embedding layer in order to avoid cracking and thus serves to absorb tensile stresses.
  • the perforated plates are not direct, ie, for example, anchor, pins, bolts, dowels or the like. held mechanical fasteners on the building facade to be insulated, so do not serve as a plaster base, but the inclusion of the z.
  • the embedding layer is a single or multi-layered plaster layer;
  • the invention is not limited to such plaster layers.
  • a plaster layer as an exemplary embodiment of an embedding layer.
  • the layer according to the invention As a result of the layer according to the invention, the bending stiffness of the external thermal insulation composite system is increased, so that the resistance to impact, which can act on the front side of the plaster layer, is increased.
  • the presence of the layer additionally leads to a disability in acting piercing forces by objects such. As knives, screwdrivers, hammer, with which is acted on the plaster layer, are prevented from penetrating to the insulation layer.
  • the perforated plates are made of a suitable material, in a suitable thickness and with perforations that are so small in size or designed so that the usual punctual and locally acting forces for which the thermal insulation composite system must be designed can be collected.
  • perforated plates according to the invention need not necessarily be formed as plates (with holes) in the narrower sense.
  • a perforated plate according to the invention is also a grid (rust) or the like. be understood from rigid struts constructed construction.
  • the perforated plates made of metal, plastic, cement or a composite material such.
  • the size of the perforations in the diameter is preferably less than 5 mm and in particular less than 4 mm; in other words, the cross-sections of the holes should be smaller than about 20 mm 2 or, in particular, smaller than 12 mm 2 .
  • the perforated plates may have holes of the same size or different sizes and / or the same and / or different shapes of holes. Depending on the material of the perforated plate whose thickness may be less than 3 mm, preferably less than 2 mm and in particular less than 1 mm.
  • the perforated plates are disposed within the plaster layer, including its front or its side facing the insulation layer back.
  • the perforated plates in the front of the perforated plates also serve as design elements, since they are where they have no holes, visible, the holes are filled with cleaning material. This is usually a cover material; However, a flush-mounted material is also conceivable for filling the holes of the perforated plates when they form the front of the plaster layer and thus the front of the composite thermal insulation system.
  • the fixing / anchoring of the perforated plates takes place by embedding the plates in plastering material, thus penetrating the perforated plates (namely, extending through their perforations).
  • plastering material namely, extending through their perforations.
  • the fixing of the perforated plates is advantageously carried out by means of an adhesive to the insulating layer.
  • the perforated plates can be embedded in a multi-layer plaster of flush and surface plaster in the thicker usually flush layer. As a rule, the reinforcing mesh is also embedded in this flush layer.
  • the attachment of the insulation layer to the wall is advantageously carried out by means of an adhesive (by mortar adhesive batches full or partial area and / or but by mechanical fasteners such as dowels, rails, suspension / support elements or the like.).
  • the material used for the insulation layer is, for example, EPS (expanded polystyrene), mineral wool (MW), wood wool (WF), PU, PF (phenolic resin) as well as other thermal insulation composite systems approved insulation material in question.
  • the useful adhesives may be mineral or organic bonded materials. This also applies to the reinforcing mortar.
  • the under- and upper plasters are expediently made of materials, as they are basically known in the art.
  • the hole size should not be greater than 4 to 5 mm or be matched to the smallest punch of the so-called Perfotests (for example punch diameter of 4 mm according to ETAG 004, p 38).
  • the hole proportion should be relatively large in order to save weight and material, but the perforated plate is still sufficiently rigid and the overall system the required tensile / shear load capacity (stability) gives.
  • the hole proportion should be less than 80%, in particular less than 40% and advantageously less than 30%, wherein the hole size and / or shape may need to be selected accordingly in order to realize the respective hole portion.
  • the perforated plates according to the invention lead to any deterioration of the U-value of the thermal insulation composite system. Moreover, they only lead to a slight change in the water vapor transmission resistance s d .
  • the integration according to the invention of the rigid perforated layer of perforated metal sheets leads to a "woodpecker protection", ie to protection against damage to the thermal insulation layer as a result of the action of woodpecker beak strikes on the plaster layer, and to hail protection.
  • the investment material and / or plaster layer can be held by a fastener directly to the facade or a wall mounted plaster base, which basically does not assume the function of the rigid layer or plates according to the invention and in addition to this / these is provided, but this is not mandatory.
  • a first embodiment of a thermal insulation composite system 10 for attachment to a building wall 12 is shown.
  • a thermal insulation layer 16 of, for example, EPS plates.
  • the plaster pane 18 has a front side 22 and comprises a concealed layer 23 made of reinforcing mortar with embedded Armiergewebe 24 and a top coat layer 26.
  • the layer 21 has perforated plates 28, for example, stainless steel or plastic with holes or perforations 30.
  • the perforated plates 28 are attached to the insulating layer 16 by means of an adhesive layer 32. In the holes 30, either the material of the adhesive layer 32 or that of the Reiniermörtel 23 protrudes, which in Fig. 1 not shown.
  • Fig. 2 shows a second embodiment of a thermal insulation composite system 10 ', wherein in Fig. 2 the same reference numbers are used for the individual layers, but simply deleted, as they are in Fig. 1 are used to denote the layers.
  • the difference of the thermal insulation composite system 10 'opposite the thermal insulation composite system 10 is that in Fig. 2 the perforated plates 28 'between the flush layer 23 and the top coat layer 26 are arranged.
  • FIG. 3 a further embodiment of a thermal insulation composite system 10
  • Fig. 3 the same reference numerals are used for the individual layers, but are duplicated, as shown in FIG Fig. 1 are used to denote the layers.
  • the thermal insulation composite system 10 are the perforated plates 28" in the front 22 of the plaster layer 26 "or plaster 18".

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Acoustics & Sound (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Building Environments (AREA)
EP13192825.1A 2012-11-15 2013-11-14 Systèmes composites d'isolation thermique pour façades de bâtiment Active EP2733272B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102012220898 2012-11-15

Publications (2)

Publication Number Publication Date
EP2733272A1 true EP2733272A1 (fr) 2014-05-21
EP2733272B1 EP2733272B1 (fr) 2023-06-07

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EP13192825.1A Active EP2733272B1 (fr) 2012-11-15 2013-11-14 Systèmes composites d'isolation thermique pour façades de bâtiment

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020078525A1 (fr) 2018-10-17 2020-04-23 Knauf Gips Kg Renfort pour renforcer une couche de plâtre

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0019892A1 (fr) * 1979-06-05 1980-12-10 IDC Chemie AG Revêtement extérieur isolant pour murs de bâtiments
DE3149974A1 (de) 1981-07-13 1983-01-27 Staussziegel-Industrie GmbH, 3100 St. Pölten "anordnung fuer die waermedaemmung einer tragenden bauwerksaussenwand, verfahren zur herstellung einer solchen anordnung und abstandshalter fuer die anordnung
DE3806967A1 (de) 1988-03-03 1989-10-05 Wilmsen Hans Verfahren zum erstellen von waenden oder decken sowie nach diesem verfahren hergestellte wand oder decke
DE4416536C2 (de) 1994-05-10 1997-07-10 Gruenzweig & Hartmann Fassade mit Dämmplatten aus Meralwolle, insbesondere für Wärme-Verbundsysteme und hinterlüftete Fassaden
EP1122373A2 (fr) * 2000-02-04 2001-08-08 Deutsche Rockwool Mineralwoll GmbH & Co. OHG Procédé de fabrication d'un matériau isolant en fibres minérales
DE10322433A1 (de) * 2002-08-17 2004-02-26 Walter Gutjahr Verfahren zur Sanierung oder vorsorglichem Schützen von durchfeuchteten äußeren Wärmedämm-Verbundsystemen oder in anderer Weise beschädigten Gebäude-Außenwänden, sowie Bahn- oder Plattenmaterial zur Durchführung des Verfahrens
DE19643528B4 (de) 1996-10-22 2004-02-26 Gudrun Kalina Verfahren zur Isolierung, Sanierung und Verkleidung von Fassaden
WO2012031674A1 (fr) 2010-09-09 2012-03-15 Rockwool International A/S Elément d'isolation thermique pour isoler façades de bâtiment, système composite d'isolation thermique et procédé de fabrication d'un système composite d'isolation thermique

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007053380B4 (de) * 2007-11-09 2015-01-29 Knauf Marmorit Gmbh Anordnung aus einem Wärmedämmverbundsystem und einem Gebäudemauerwerk und Verfahren zur Befestigung von Wärmedämmelementen eines Wärmedämmverbundsystems an einem Gebäudemauerwerk

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0019892A1 (fr) * 1979-06-05 1980-12-10 IDC Chemie AG Revêtement extérieur isolant pour murs de bâtiments
DE3149974A1 (de) 1981-07-13 1983-01-27 Staussziegel-Industrie GmbH, 3100 St. Pölten "anordnung fuer die waermedaemmung einer tragenden bauwerksaussenwand, verfahren zur herstellung einer solchen anordnung und abstandshalter fuer die anordnung
DE3806967A1 (de) 1988-03-03 1989-10-05 Wilmsen Hans Verfahren zum erstellen von waenden oder decken sowie nach diesem verfahren hergestellte wand oder decke
DE4416536C2 (de) 1994-05-10 1997-07-10 Gruenzweig & Hartmann Fassade mit Dämmplatten aus Meralwolle, insbesondere für Wärme-Verbundsysteme und hinterlüftete Fassaden
DE19643528B4 (de) 1996-10-22 2004-02-26 Gudrun Kalina Verfahren zur Isolierung, Sanierung und Verkleidung von Fassaden
EP1122373A2 (fr) * 2000-02-04 2001-08-08 Deutsche Rockwool Mineralwoll GmbH & Co. OHG Procédé de fabrication d'un matériau isolant en fibres minérales
DE10322433A1 (de) * 2002-08-17 2004-02-26 Walter Gutjahr Verfahren zur Sanierung oder vorsorglichem Schützen von durchfeuchteten äußeren Wärmedämm-Verbundsystemen oder in anderer Weise beschädigten Gebäude-Außenwänden, sowie Bahn- oder Plattenmaterial zur Durchführung des Verfahrens
WO2012031674A1 (fr) 2010-09-09 2012-03-15 Rockwool International A/S Elément d'isolation thermique pour isoler façades de bâtiment, système composite d'isolation thermique et procédé de fabrication d'un système composite d'isolation thermique

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020078525A1 (fr) 2018-10-17 2020-04-23 Knauf Gips Kg Renfort pour renforcer une couche de plâtre

Also Published As

Publication number Publication date
EP2733272B1 (fr) 2023-06-07

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