EP2949827B1 - Fassaden-Wärmedämmplatte für die Gebäudedämmung von außen - Google Patents

Fassaden-Wärmedämmplatte für die Gebäudedämmung von außen Download PDF

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Publication number
EP2949827B1
EP2949827B1 EP14169995.9A EP14169995A EP2949827B1 EP 2949827 B1 EP2949827 B1 EP 2949827B1 EP 14169995 A EP14169995 A EP 14169995A EP 2949827 B1 EP2949827 B1 EP 2949827B1
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EP
European Patent Office
Prior art keywords
panel
panel according
grooves
back face
front face
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.)
Active
Application number
EP14169995.9A
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English (en)
French (fr)
Other versions
EP2949827A1 (de
Inventor
Alain Krebs
Patrick Sutter
Nadia Méliani
Raphaël Pelletier
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 Industries Gestion SAS
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Knauf Industries Gestion SAS
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Publication date
Application filed by Knauf Industries Gestion SAS filed Critical Knauf Industries Gestion SAS
Priority to ES14169995T priority Critical patent/ES2752011T3/es
Priority to EP14169995.9A priority patent/EP2949827B1/de
Priority to PL14169995T priority patent/PL2949827T3/pl
Publication of EP2949827A1 publication Critical patent/EP2949827A1/de
Application granted granted Critical
Publication of EP2949827B1 publication Critical patent/EP2949827B1/de
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76Heat, 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
    • E04B1/762Exterior insulation of exterior walls
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76Heat, 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
    • E04B1/762Exterior insulation of exterior walls
    • E04B1/7625Details of the adhesive connection of the insulation to the wall

Definitions

  • the present invention relates to a facade insulation panel.
  • the invention applies more particularly to the field of construction and, where appropriate, also to the renovation of buildings in order to bring them up to thermal insulation standards.
  • the document FR 2 977 265 A1 discloses a panel for building exterior thermal insulation from the outside according to the preamble of claim 1.
  • the panels are not hooked sufficiently resistant to the facade and may separate, especially in turbulence or during periods of strong winds.
  • the facade once covered with insulation panels is subjected to daytime heating due to solar radiation and at night to significant cooling, especially in winter. These different exposures cause, over time, significant variations in temperatures which cause, respectively, dilations and contractions of the material constituting the panels and which sometimes causes cracks or breakage at the expense of the desired insulation.
  • the claims can also come from a cracking of the base and finish coating, a separation between the plaster and the panel or a simple detachment of the panel. panel of the facade.
  • the present invention aims to solve these technical problems satisfactorily and reliably by proposing a simple solution to implement industrially and economically advantageous.
  • said grid consists of ribs.
  • the height of the ribs is between 0.5 and 5 mm.
  • the section of said ribs is substantially triangular.
  • the apex angle of the triangular section is between 30 ° and 70 ° while the base of the triangular section is between 1 and 2 mm.
  • the grid forms lozenges whose sides have dimensions of between 5 and 15 mm.
  • the front face of the panel comprises at least two slots perpendicular to each other and parallel to the edges of the panel.
  • the marks for the reception of the fastening means on the facade consist of cylindrical cavities.
  • said cavities are, on the dorsal face, straddling the grooves.
  • the grooves of the dorsal face for retention of the binder have a dovetail section.
  • the depth of these grooves is between 3 and 10 mm and a width between 5 and 15 mm.
  • the dorsal surface comprises a slightly recessed peripheral edge.
  • the front face also comprises markers for positioning attachment means.
  • the front face and its dorsal face of the panel are identical and both carry a grid, marks and slots whose profile and orientation are in accordance with the grooves.
  • the invention it is possible to improve the thermal insulation for new buildings or strengthen that of old buildings without carrying out major renovation work on the building.
  • the positioning and installation of the panels according to the invention on the facade are easy because of the presence of visible markers which allows the rapid execution of work on the site and avoids the risk of errors.
  • the front face and / or the dorsal surface of the panel has improved capabilities of retention and adhesion with the different types of binders or coatings commonly used for the coating or fixing such panels on the facades.
  • the gravitational creep of the coatings or mortiercolles used is considerably slowed or even avoided thanks to the set of back grooves completed, if necessary, by specific retention cavities.
  • the result is an optimized use of the adhesive binder, easier installation, a more complete finish and a better grip of the fastening of the panels on the wall.
  • the dimensional stability of the panels of the invention is, moreover, ensured reliably by the slots of the front face which can absorb the deformations produced by the various thermal phenomena.
  • the sign shown on the Figures 1 and 2 is intended to be placed on the external vertical walls or facades of a building to improve the thermal insulation of the building.
  • EPS expanded polystyrene
  • the front face 1 of this panel which is represented on the figure 1 , that is to say that which is intended to be turned outward, will be subsequently coated with a complementary layer of protective coating and / or decoration.
  • the panel Because of the temperature differences to which it is exposed, the panel undergoes dimensional variations that are likely to weaken its bond with the adhesive mortar and thus compromise the holding of its attachment to the facade.
  • the front face 1 here comprises two horizontal slots 10a and two vertical slots 10b perpendicular to each other in pairs and parallel to the edges of the panel.
  • the depth of these slots is between 10 and 15 mm and their width between 1 and 3 mm, depending on the thickness of the panel. This depth is, in general, between 5 and 50% of the thickness of the panel.
  • slots 10 form pre-cut lines of the panels which make it easier, on the sites, the treatment of singular points and thus limit the thermal bridges.
  • the front face 1 may also include pins 11 for positioning the attachment means (screws, dowels, ...) of the panel on the facade.
  • the position of these marks is possibly determined according to the standards in force.
  • These marks 11 are here made in the form of cylindrical cavities with crosspieces facilitating for the operator the centering of the fastening elements.
  • the depth of these cavities is of the order of 0.5 mm and their diameter of 6 cm.
  • Some of the pins 11 are located on the edges of the panel to specifically receive flanged dowels fixed in the joint plane between two adjacent panels (or more for those of the corners); the collar bearing on the front faces of these panels. In all cases, the pins 11 are located at a distance from the slots 10 so as not to weaken the panel.
  • the edges of the panel may be provided with connecting elements with the adjacent panels.
  • these connecting elements here comprise a lateral rod X capable of engaging in a groove Y disposed on the immediately adjacent edge and on the edge opposite the contiguous panel and whose profiles are complementary.
  • Other modes of connection are however possible such as an assembly with L-shaped edges, by bouvet, rabbet, ...
  • the figure 2 represents the dorsal surface 2 of the panel of the invention which is intended to come into contact with the wall of the building.
  • the face 2 comprises here, on the greater part of its surface, fingerprints formed of a grid or graining 21 in relief of small dimensions.
  • These imprints 21 are intended to promote the attachment on the side 2 of the adhesive binder used for fixing the panel on the wall.
  • a grid or graining identical or different from that of the dorsal surface may also be present on the front face 1 to improve the adhesion of the protective coating. If necessary, it would also be possible according to an alternative to make the grid or the graining only on the only front face 1.
  • the grid 21 of the dorsal surface 2 here consists of micro-ribs 21a oriented here inclined relative to the edges of the panel at an angle A of 45 °, as illustrated by FIG. figure 4 .
  • the section of these ribs is here substantially triangular ( figure 3 ).
  • the grid 21 delimits, between the lines of ribs 21a, hollows 22 hollow and diamond-shaped in which the adhesive binder, in liquid or viscous form (generally consisting of a coating or a mortar-glue), has tendency to flow and to nest which makes it possible to preserve on the dorsal surface of the panel a useful quantity of adhesive.
  • the grid 21 improves the tensile strength of the panel by creating lines of material which will subsequently be anchored and trapped by the adhesive mortar.
  • the cells 22 also exert locally, depending on the thickness of the adhesive mortar, a suction effect that ensures the plating of the panel against the facade.
  • the sides of these diamond-shaped boxes 22 have dimensions of between 5 and 15 mm ( figure 4 ).
  • the height H of the micro-ribs 21a is between 0.5 and 5 mm, that the apex angle B of their triangular section is between 30 ° and 70 ° and preferably between 40 ° and 60 ° and that the width L of the base of this triangular section is between 1 and 2 mm.
  • the latter is provided with a set of parallel grooves 20 (here three in number), intended to be arranged horizontally when laying the panel.
  • grooves 20 make it possible to avoid the gravitational creep of the adhesive binder and ensure its retention on the dorsal face 2 of the panel.
  • a subsidiary advantage of these grooves is to facilitate the orientation and positioning of the panel by the site operators.
  • the installation instruction of the panel advocating to arrange the grooves 20 horizontally the operator therefore has no choice as to the direction of installation of the panel, in particular, if it is a square with all sides are equal.
  • Yet another advantage of the presence of these grooves is to provide greater flexibility to the panel.
  • the grooves 20 of the dorsal face have a dovetail section.
  • the depth of the grooves 20 have a depth of between 3 and 10 mm and a width of between 5 and 15 mm.
  • these marks 23 consist of cylindrical cavities which incidentally allow, and in addition to the grooves 20, to trap and retain a portion of the liquid or viscous adhesive binder in contact with the dorsal surface 2.
  • the cavities are provided in optimized and, if appropriate, normalized positions of the dorsal surface. They are here straddling the grooves 20 made undercut so that the adhesive mortar can flow channeled and penetrate deeper into the cellular material which improves the strength of the panel.
  • the depth of these cavities 23 is about 0.5 mm and their diameter is 10 cm.
  • the dorsal surface 2 here comprises a peripheral lug 24 slightly recessed (depth 0.5 mm and width 2 mm) forming a frame and to indicate to the operator the minimum distance to be respected between the edge of the panel and the zones glue (pudding or stud). This distance is here 2 cm.
  • Another variant could consist in producing the panel symmetrically by configuring its end face and its back face identically. More specifically, it would then be necessary to provide grids 21 on the two faces 1, 2 and to provide pins 11, 23 and longitudinal slots 10 on the front face 1 with the same geometry and the same orientation as the grooves 20 of the dorsal surface 2.
  • This variant can be made with a symmetrical mold which facilitates the manufacturing process of the panels as well as the laying operations on the facade since the site operators no longer have to worry about the direction of installation of the panels.
  • the table below gives values of the tensile strength (in the direction perpendicular to the panel faces) of a panel according to the invention in expanded polystyrene, taken as a reference (100%), in comparison with traditional panels. made of the same material. Resistance values are therefore given in relative percentage.
  • the skin is a surface layer resulting from the process of molding expanded polystyrene.
  • the leveled skin is a rudimentary surface treatment to remove this skin.
  • Panel configuration Tensile strength With simple molding skin 56 With flared molding skin 84

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

Claims (15)

  1. Platte zur äußeren Wärmedämmung von Gebäudefassaden, deren Rückseite (2) einen Satz paralleler Nuten (20) umfasst, die zum Zurückhalten des Haftbindemittels horizontal angeordnet werden, und eine Reihe von Markierungen (23), die die spezifischen Bereiche zur Aufnahme der Befestigungsmittel an der Fassade abgrenzen und, deren Vorderseite (1) mindestens einen Längsschlitz (10) aufweist, der die Dimensionsstabilität der Platte gewährleistet, dadurch gekennzeichnet, dass mindestens eine ihrer Seiten (1, 2) Vertiefungen aufweist, die durch ein erhabenes Gitter (21) gebildet werden, das über einen Großteil seiner Fläche vertiefte Felder (22) abgrenzt.
  2. Platte nach Anspruch 1, dadurch gekennzeichnet, dass das Gitter (21) aus Rippen (21a) besteht.
  3. Platte nach Anspruch 1, dadurch gekennzeichnet, dass die Höhe der Rippen (21a) zwischen 0,5 und 5 mm beträgt.
  4. Platte nach Anspruch 2 oder 3, dadurch gekennzeichnet, dass der Querschnitt der Rippen im Wesentlichen dreieckig ist.
  5. Platte nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass der Scheitelwinkel des dreieckigen Querschnitts zwischen 30° und 70° beträgt.
  6. Platte nach einem der Ansprüche 3 bis 5, dadurch gekennzeichnet, dass die Basis des dreieckigen Querschnitts zwischen 1 und 2 mm beträgt.
  7. Platte nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Gitter (21) Rauten (22) bildet, deren Seiten 5 bis 15 mm groß sind.
  8. Platte nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass ihre Vorderseite (1) vier Schlitze (10) umfasst, die jeweils paarweise senkrecht zueinander stehen und parallel zu den Kanten der Platte verlaufen.
  9. Platte nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Markierungen (23) für die Aufnahme der Befestigungsmittel an der Fassade aus zylindrischen Hohlräumen bestehen.
  10. Platte nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass die Hohlräume an der Rückseite (2) auf den Nuten (20) aufsitzen.
  11. Platte nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Nuten (20) der Rückseite (2) zum Rückhalten des Bindemittels einen Schwalbenschwanzquerschnitt aufweisen.
  12. Platte nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Nuten (20) der Rückseite zum Rückhalten des Bindemittels 3 bis 10 mm tief und 5 bis 15 mm breit sind.
  13. Platte nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Rückseite (2) eine umlaufende, leicht hohle Umrandung (24) umfasst.
  14. Platte nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Vorderseite (1) ebenfalls Markierungen (11) zur Positionierung der Befestigungsmittel aufweist.
  15. Platte nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass ihre Vorderseite (1) und ihre Rückseite (2) identisch sind und beide ein Gitter (21), Markierungen (23) und Schlitze (10) aufweisen, deren Profil und Ausrichtung an die Nuten (20) angepasst sind.
EP14169995.9A 2014-05-27 2014-05-27 Fassaden-Wärmedämmplatte für die Gebäudedämmung von außen Active EP2949827B1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
ES14169995T ES2752011T3 (es) 2014-05-27 2014-05-27 Panel para el aislamiento térmico de una fachada de edificio desde el exterior
EP14169995.9A EP2949827B1 (de) 2014-05-27 2014-05-27 Fassaden-Wärmedämmplatte für die Gebäudedämmung von außen
PL14169995T PL2949827T3 (pl) 2014-05-27 2014-05-27 Płyta do izolacji termicznej elewacji budynku od zewnątrz

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP14169995.9A EP2949827B1 (de) 2014-05-27 2014-05-27 Fassaden-Wärmedämmplatte für die Gebäudedämmung von außen

Publications (2)

Publication Number Publication Date
EP2949827A1 EP2949827A1 (de) 2015-12-02
EP2949827B1 true EP2949827B1 (de) 2019-09-25

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP14169995.9A Active EP2949827B1 (de) 2014-05-27 2014-05-27 Fassaden-Wärmedämmplatte für die Gebäudedämmung von außen

Country Status (3)

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EP (1) EP2949827B1 (de)
ES (1) ES2752011T3 (de)
PL (1) PL2949827T3 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105926784B (zh) * 2016-05-04 2018-04-10 同成七彩建筑科技有限公司 保温混凝土墙体施工方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29820909U1 (de) * 1998-11-23 2000-02-17 JOMA Dämmstoffwerk GmbH, 87752 Holzgünz Dämmplatte
JP2006177134A (ja) * 2004-11-25 2006-07-06 Kaiken:Kk 山形板状断熱材及びそれを用いた断熱構造
IT1394197B1 (it) * 2009-04-02 2012-06-01 Lape Srl "una lastra isolante per l'impiego in edilizia, con profilo per l'incastro reciproco di piu' lastre"
EP2497870A1 (de) * 2011-03-07 2012-09-12 Isolbau Compositi SRL Vorgefertigte Isolierplatte, insbesondere zum Abdecken von Gebäuden, sowie zugehöriges Herstellungsverfahren
FR2977265B1 (fr) * 2011-07-01 2013-07-26 Isobox Technologies Panneau composite pour l'isolation thermique de facade de batiments
ITTV20110041U1 (it) * 2011-10-14 2013-04-15 Isolconfort S R L Struttura di pannello per il fissaggio a parete

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
ES2752011T3 (es) 2020-04-02
EP2949827A1 (de) 2015-12-02
PL2949827T3 (pl) 2020-06-29

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