EP1219755B1 - Panneau d'isolation de façade et son procédé de fabrication - Google Patents

Panneau d'isolation de façade et son procédé de fabrication Download PDF

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Publication number
EP1219755B1
EP1219755B1 EP01130650A EP01130650A EP1219755B1 EP 1219755 B1 EP1219755 B1 EP 1219755B1 EP 01130650 A EP01130650 A EP 01130650A EP 01130650 A EP01130650 A EP 01130650A EP 1219755 B1 EP1219755 B1 EP 1219755B1
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EP
European Patent Office
Prior art keywords
base layer
cover layer
layer
insulating board
fibres
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.)
Expired - Lifetime
Application number
EP01130650A
Other languages
German (de)
English (en)
Other versions
EP1219755A2 (fr
EP1219755A3 (fr
Inventor
Michael Becker
Horst Keller
Lothar Bihy
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.)
Saint Gobain Isover G+H AG
Original Assignee
Saint Gobain Isover G+H AG
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Filing date
Publication date
Application filed by Saint Gobain Isover G+H AG filed Critical Saint Gobain Isover G+H AG
Publication of EP1219755A2 publication Critical patent/EP1219755A2/fr
Publication of EP1219755A3 publication Critical patent/EP1219755A3/fr
Application granted granted Critical
Publication of EP1219755B1 publication Critical patent/EP1219755B1/fr
Anticipated expiration legal-status Critical
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Classifications

    • 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
    • E04B1/78—Heat insulating elements
    • E04B1/80—Heat insulating elements slab-shaped
    • 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
    • E04B1/7629—Details of the mechanical connection of the insulation to the wall
    • 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

Definitions

  • the invention relates to a method for producing a facade insulation board according to the preamble of claim 1 and a facade insulation board according to claim 2.
  • Multilayer insulation boards are currently used primarily as facade insulation panels or roof insulation panels. When used as Fassadenträmmplatten, and in particular for curtain, ventilated facades, these are applied directly to the outer wall of a building. Here, the attachment either by gluing or by dowelling, the insulation boards are used for heat and sound insulation. Insofar as they consist of mineral wool, they are classified in accordance with DIN 4102 in the building material class A as non-combustible.
  • a multilayer board is also known from US 5,342,424. This document discloses a method for producing a product consisting of fiber layers, in particular for use as a filter, which has two different layers or layers, wherein the fibers of the individual layers have different diameters.
  • EP 0 672 803 A1 discloses a facade insulation board and a production method therefor.
  • this insulation board in addition to a layer which consists purely of mineral fibers and binder, a second layer is formed in a common chute, which in addition to mineral fibers and other types, contains additional fibers, thereby improving the mechanical properties of the insulation board.
  • WO 99/51535 A1 discloses a mineral wool product improved in terms of the properties of the surface layer (a so-called MMVF fleece), inter alia, for thermal and acoustic insulation and a process for its production.
  • fibers are formed by at least two (cascade) spinner, which have different properties.
  • the spinners are arranged such that the fleece formed therefrom consists of at least two parallel zones, which are connected to each other.
  • the fleece is then suspended in a subsequent step.
  • the mean fiber diameters in the zones may be different.
  • the fiber length, the bead content, the tensile strength, density and / or chemical composition of the fibers may differ from each other.
  • Another object of the invention is to an insulation board, in particular a facade insulation board for curtain, ventilated façade store to provide that is reliable in commercial dimensions with the least possible use of materials and only a few, especially only one insulation dowel against wind suction and yet inexpensive to attach to the wall.
  • a method for producing such an insulating board is provided to achieve the object, which has the features of claim 1.
  • the method according to the invention thus for the first time envisages distributing the melt of a fiber base material to differently operating fiberizing stations and thus forming materially identical primary nonwovens, the fibers having different median values d 50 of the diameter.
  • very varied and optimized in their properties can thus produce relatively small procedural changes compared to conventional approaches. Since the method hereby relies on steps that have proven themselves but are newly assembled in this sequence, it is characterized by a high level of process reliability with little preparation effort.
  • this object is achieved by an insulating board with the features of claim 2.
  • This is particularly characterized in that fibers of the mineral wool in the cover layer have a so-called median d 50 of the fiber diameter, which is 50 to 100% larger than that of the fibers of the base layer.
  • a median value d 50 is used for a distribution function in which particularly asymmetrical distribution curves are present, which is the case with mineral fibers. These distribution curves are known to give the so-called central value or median value. He is the maximum size d 50 , which is less than half of the fiber collective. It is therefore the value of the mean diameter d for which the cumulative curve reaches 50%.
  • the insulation board according to the invention therefore comes with a much smaller number of insulation dowels, with commercial dimensions of, for example, 1250 mm x 600 mm, a single insulation dowel usually sufficient to secure the insulation board reliable. As a result, the costs and installation costs are significantly reduced. At the same time, the number of thermal bridges is reduced by the reduction of the insulating dowels, which also significantly improves the overall insulation properties.
  • the mineral wool in the base layer thus has to make a relatively small contribution to the inherent stability of the insulation board, which is why it can be optimized in terms of insulation properties.
  • the mineral wool of the base layer can be made sufficiently elastic, thus also of The wall protruding concrete or mortar remnants can be compensated and the main surface of the insulation board nevertheless comes directly into contact with the wall surface.
  • the median d 50 is the diameter of the fibers of the cover layer between 6 and 13 microns
  • the median d 50 is the diameter of the fibers of the base layer between 3 and 6 microns.
  • a median d 50 of the diameter of the fibers of the cover layer between 7 and 10 microns and in particular at about 8 microns has proven to be particularly advantageous.
  • the median value d 50 of the diameters of the fibers of the base layer values of between 4 and 5 ⁇ m and in particular about 4 ⁇ m have been found in practice.
  • a further improvement of the inherent stability of the cover layer can also be achieved if it has a higher binder content compared to the base layer.
  • the ratio of the binder content of the cover layer to the binder content of the base layer in a range between 1.1: 1 and 3: 1, whereby the insulation board according to the invention can be further improved in terms of intrinsically conflicting properties of strength and insulating ability.
  • the binder content in the top layer between 2.2% and 6% and preferably at about 4%, and that the binder content in the base layer between 2% and 5.5% and preferably at about 3 , 5% lies.
  • the insulation board thus produced has been characterized by a particularly good optimization of their properties.
  • a further improvement of the properties of the insulation board according to the invention can be achieved, although the raw density ratio between the cover layer and the base layer is set specifically.
  • the ratio of the bulk density of the cover layer to the bulk density of the base layer in a range between 1.25: 1 and 5: 1 and preferably at 1.5: 1, whereby the intrinsic stability and strength of the cover layer can be further increased.
  • the bulk density of the cover layer between 40 and 100 kg / m 3 and preferably at about 60 kg / m 3
  • the apparent density of the base layer between 20 and 80 kg / m 3 and preferably at about 40 kg / m 3 .
  • particularly advantageous properties of the insulating board have been demonstrated, both with regard to the good anchor penetration resistance and flexural strength, and also the insulating properties.
  • cover layer may also be precompressed, which further increases their inherent stability.
  • each insulation board 1 can also be glued to the wall 3.
  • the insulation boards 1 are in this case in the usual dimensions of, for example, 1250 mm x 600 mm and a thickness of 60 mm, 80 mm, 100 mm or 120 mm before.
  • a plurality of clothing elements 4 is also arranged, which are anchored in a known manner by means of anchor 5 through the insulation boards 1 in the wall. Between the insulation boards 1 and the clothing elements 4 while a ventilation gap is present.
  • a réelleputzlage 6 is also arranged.
  • the insulation boards 1 each have a base layer 11 and a cover layer 12. Furthermore, the insulation dowel 2 passes through the insulation board 1 and anchored to the Wall 3, wherein a head 21 of the per se conventional insulation dowel 2 comes to rest on the outside of the insulation board 1.
  • the head 21 cooperates with the cover layer 12, which has a greater anchor pull-through resistance than the base layer 11.
  • the cover layer 12 fibers with a median d 50 diameter of about 8 microns, a binder content of 4% and a bulk density of 60 kg / m 3 on.
  • the base layer 11 has fibers with a median d 50 of diameter of about 4 microns, a binder content of 3.5% and a bulk density of 40 kg / m 3 .
  • the base layer 11 therefore shows good insulation behavior, while the cover layer 12 has a sufficient inherent strength, so that a tearing at the location of the dowel head 21 is reliably avoided in the expected wind suction forces F SOG .
  • suction forces act on the entire surface of the insulating panel 1. Due to the selected characteristics for the cover layer 12, however, deflection in the edge regions of the insulating panels 1 under the action of the suction forces F SOG can be reliably avoided.
  • these characteristics can be varied.
  • the median value of the fiber diameter of the cover or base layer provided according to the invention it is additionally possible for the person skilled in the art to adjust the product characteristics of the insulation board 1 via the binder content of the layers or the respective bulk density.
  • a fiberization device produces fibers for the cover layer which have a greater thickness, ie a larger median value d 50 of the diameter, than the fibers produced by the other fiberization device for the base layer. Furthermore, more binder is added to the fibers in the top layer defibering device in the chute, as is the case with the fibers in the base layer fiberizer.
  • the overcoat fiberizer provides a uncured binder topcoat primary web which is compressed in a subsequent precompacting step.
  • the precompacted primary web for the cover layer is combined with the primary web leaving the other fiberizer for the base layer.
  • the two primary nonwovens are then passed through a tunnel oven serving as a curing device for curing of the binder. With this step, the two primary nonwovens are connected to each other at the same time.
  • the thus formed, multi-layer insulating element is then further processed in a separating device of conventional design, not shown here by means of transverse and / or longitudinal sections to insulation boards 1 with predetermined dimensions.
  • the fiberizing stations for the individual primary webs can be chosen such that a desired ratio of the median value d 50 of the diameters of the fibers of the cover layer to the median value d 50 of the diameters of the fibers of the base layer providable is , Furthermore, the addition of binder in the chute can also be varied. In addition, the degree of precompression of the primary nonwoven for the cover layer and possibly also precompression of the primary nonwoven for the base layer can influence the achieved density ratio between the cover layer and the base layer.

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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)
  • Load-Bearing And Curtain Walls (AREA)

Claims (8)

  1. Procédé de fabrication d'un panneau d'isolation (1), comprenant les étapes :
    de fusion du matériau de base fibreux dans un bassin de fusion (101),
    de répartition de la masse fondue dans au moins deux voies de fusion,
    d'amenée d'une voie de fusion à un premier poste de défibrage (103) pour une couche de base (11) du panneau d'isolation (1), de défibrage de la masse fondue et de fabrication d'un matelas primaire pourvu d'un agent de liaison non durci pour la couche de base (11) avec des fibres dont les diamètres présentent une première valeur médiane prédéfinie d50,
    d'amenée d'une autre voie de fusion à un second poste de défibrage (102) pour une couche de recouvrement (12) du panneau d'isolation (1), de défibrage de la masse fondue et de fabrication d'un matelas primaire pourvu d'un agent de liaison non durci pour la couche de recouvrement (12) avec des fibres dont les diamètres présentent une seconde valeur médiane prédéfinie d50 qui est de 50 à 100% supérieure à la première valeur médiane du diamètre de fibre de la couche de base (11), et
    de réunion des matelas primaires des couches de base et de recouvrement,
    de durcissement de l'agent de liaison en formant un élément isolant multicouches, et
    de séparation des panneaux d'isolation (1) depuis l'élément isolant.
  2. Panneau d'isolation (1), notamment pour façades présuspendues, ventilées à la face arrière, pouvant être fabriqué par le procédé selon la revendication 1, comprenant une couche de base (11) et une couche de recouvrement (12), qui sont formées respectivement de fibres minérales liées en matière identique, la couche de recouvrement (12) présentant une résistance, notamment une résistance à la traction des chevilles, supérieure à celle de la couche de base (11), les fibres de la laine minérale dans la couche de recouvrement (12) présentant par rapport aux fibres de la couche de base (11) différentes épaisseurs, et ce de telle sorte que la valeur médiane d50 des diamètres des fibres de la couche de recouvrement (12) soit supérieure de 50 à 100% à celle des fibres de la couche de base (11), une ossature d'appui tridimensionnelle renforcée destinée à augmenter la résistance à la traction des chevilles étant formée dans la couche de recouvrement (12).
  3. Panneau d'isolation selon la revendication 2, caractérisé en ce que
    la valeur médiane d50 des diamètres des fibres de la couche de recouvrement (12) est comprise entre 6 et 13 µm, de préférence entre 7 et 10 µm, et est notamment d'approximativement 8 µm, et
    en ce que la valeur médiane d50 des diamètres des fibres de la couche de base (11) se situe entre 3 et 6 µm, de préférence entre 4 et 5 µm, et est notamment d'approximativement 4 µm.
  4. Panneau d'isolation selon la revendication 2 ou 3, caractérisé en ce que la couche de recouvrement (12) et la couche de base (11) possèdent une teneur en agent de liaison différente, le rapport des teneurs en liant de la couche de recouvrement (12) sur la couche de base (11) se situant dans une plage comprise entre 1,1:1 et 3:1.
  5. Panneau d'isolation selon la revendication 4, caractérisé en ce que
    la teneur en agent de liaison dans la couche de recouvrement (12) est comprise entre 2,2% et 6% et est de préférence d'approximativement 4%, et
    en ce que la teneur en agent de liaison dans la couche de base (11) est comprise entre 2% et 5,5% et est de préférence d'approximativement 3,5%.
  6. Panneau d'isolation selon l'une quelconque des revendications 2 à 5, caractérisé en ce que la couche de recouvrement (12) et la couche de base (11) présentent une densité apparente différente, le rapport de la densité apparente de la couche de recouvrement (12) sur la densité apparente de la couche de base (11) étant situé dans une plage comprise entre 1,25:1 et 5:1 et étant de préférence d'approximativement 1,5:1.
  7. Panneau d'isolation selon la revendication 6, caractérisé en ce que
    la densité apparente de la couche de recouvrement (12) est comprise entre 40 et 100 kg/m3 et est de préférence d'approximativement 60 kg/m3, et
    en ce que la densité apparente de la couche de base (11) est comprise entre 20 et 80 kg/m3 et est de préférence d'approximativement 40 kg/m3.
  8. Panneau d'isolation selon l'une quelconque des revendications 2 à 7, caractérisé en ce que la couche de recouvrement (12) est précomprimée.
EP01130650A 2000-12-22 2001-12-20 Panneau d'isolation de façade et son procédé de fabrication Expired - Lifetime EP1219755B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10064784 2000-12-22
DE10064784A DE10064784A1 (de) 2000-12-22 2000-12-22 Fassadendämmplatte und Verfahren zu ihrer Herstellung

Publications (3)

Publication Number Publication Date
EP1219755A2 EP1219755A2 (fr) 2002-07-03
EP1219755A3 EP1219755A3 (fr) 2003-05-14
EP1219755B1 true EP1219755B1 (fr) 2006-11-15

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ID=7668815

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01130650A Expired - Lifetime EP1219755B1 (fr) 2000-12-22 2001-12-20 Panneau d'isolation de façade et son procédé de fabrication

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EP (1) EP1219755B1 (fr)
AT (1) ATE345424T1 (fr)
DE (2) DE10064784A1 (fr)

Families Citing this family (13)

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Publication number Priority date Publication date Assignee Title
DE102007018774A1 (de) * 2007-04-20 2008-10-23 Saint-Gobain Isover G+H Ag Fassadendämmplatte für die Dämmung von Außenfassaden von Gebäuden, Wärmedamm-Verbundsystem mit derartigen Fassadendämmplatten sowie Verfahren zur Herstellung einer Fassadendämmplatte
CN103403273B (zh) * 2011-01-31 2016-05-25 罗克伍尔国际公司 用于覆盖建筑物的立面的隔离系统
CN102787708B (zh) * 2012-08-01 2015-08-26 王建军 夹心式建筑物外饰板的安装定位装置
CN103255845B (zh) * 2013-06-07 2015-05-20 青岛欧立华建筑保温工程有限公司 一种建筑幕墙用覆膜岩棉板保温系统
CN103266676B (zh) * 2013-06-07 2015-05-20 青岛欧立华建筑保温工程有限公司 一种建筑幕墙用覆膜岩棉板保温系统的制备方法
CN103469907B (zh) * 2013-08-09 2017-10-27 王周琴 网维增强复合保温岩棉板
CN103469908B (zh) * 2013-08-09 2017-09-22 王周琴 网维增强保温岩棉板
CN103510644B (zh) * 2013-10-11 2016-01-20 纳诺科技有限公司 二氧化硅纳米保温毡干挂幕墙保温结构及其施工工艺
CN103912069A (zh) * 2014-04-21 2014-07-09 青岛欧立华建筑保温工程有限公司 一种岩棉保温防火隔离带
CN103924697A (zh) * 2014-05-04 2014-07-16 青岛欧立华建筑保温工程有限公司 一种用于建筑幕墙的岩棉保温系统
CN104179265A (zh) * 2014-08-29 2014-12-03 沛县科力新型节能材料厂 一种无机防火保温结构及其施工工法
CN104895207A (zh) * 2015-06-17 2015-09-09 青岛海川建设集团有限公司 一种高层外墙整体岩棉板保温结构及施工方法
GB2618553A (en) * 2022-05-10 2023-11-15 Intumescent Systems Ltd Enhanced insulation for buildings

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US2751962A (en) * 1950-11-16 1956-06-26 Owens Corning Fiberglass Corp Method and apparatus for producing fibrous products
US2984312A (en) * 1959-04-24 1961-05-16 Owens Corning Fiberglass Corp Acoustical wall board
US3850601A (en) * 1969-11-06 1974-11-26 Owens Corning Fiberglass Corp Method of producing a board of fibrous glass
DD155897A1 (de) * 1980-08-06 1982-07-14 Richard Mielke Herstellung von daemmelementen aus faserschichten unterschiedlichen waermeleitwertes
DE8416967U1 (de) * 1984-06-02 1984-10-04 Grünzweig + Hartmann und Glasfaser AG, 6700 Ludwigshafen Daemmplatte fuer kellerdecken und dgl. sowie kellerdecke selbst
DE3701592A1 (de) * 1987-01-21 1988-08-04 Rockwool Mineralwolle Verfahren zur kontinuierlichen herstellung einer faserdaemmstoffbahn und vorrichtung zur durchfuehrung des verfahrens
US5342424A (en) * 1993-08-09 1994-08-30 Pfeffer Jack R Method of forming composite of glass fibers of various filament diameters into a fibrous mat
DE4409416C2 (de) * 1994-03-18 1999-06-10 Gruenzweig & Hartmann Mineralwolle-Dämmplatte, ihre Verwendungen und Verfahren zu ihrer Herstellung
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HU228317B1 (en) * 1998-04-06 2013-03-28 Rockwool Int Man-made vitreous fibre batts and their production

Also Published As

Publication number Publication date
DE50111448D1 (de) 2006-12-28
ATE345424T1 (de) 2006-12-15
EP1219755A2 (fr) 2002-07-03
DE10064784A1 (de) 2002-06-27
EP1219755A3 (fr) 2003-05-14

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