EP0719365B1 - Process for gluing cut sections of mineral wool panel - Google Patents
Process for gluing cut sections of mineral wool panel Download PDFInfo
- Publication number
- EP0719365B1 EP0719365B1 EP95922485A EP95922485A EP0719365B1 EP 0719365 B1 EP0719365 B1 EP 0719365B1 EP 95922485 A EP95922485 A EP 95922485A EP 95922485 A EP95922485 A EP 95922485A EP 0719365 B1 EP0719365 B1 EP 0719365B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- mineral wool
- adhesive mortar
- adhesive
- mortar
- cut sections
- 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
Links
- 239000011490 mineral wool Substances 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000004026 adhesive bonding Methods 0.000 title abstract description 9
- 239000004570 mortar (masonry) Substances 0.000 claims abstract description 50
- 230000001070 adhesive effect Effects 0.000 claims abstract description 49
- 239000000853 adhesive Substances 0.000 claims abstract description 48
- 239000010410 layer Substances 0.000 claims abstract description 17
- 239000006185 dispersion Substances 0.000 claims abstract description 13
- 239000004033 plastic Substances 0.000 claims abstract description 12
- 229920003023 plastic Polymers 0.000 claims abstract description 12
- 239000012790 adhesive layer Substances 0.000 claims abstract description 4
- 239000000758 substrate Substances 0.000 claims description 14
- 239000000428 dust Substances 0.000 claims description 2
- 238000007664 blowing Methods 0.000 claims 1
- 239000011324 bead Substances 0.000 abstract description 5
- 241000446313 Lamella Species 0.000 description 7
- 238000010276 construction Methods 0.000 description 7
- 239000000835 fiber Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 239000012774 insulation material Substances 0.000 description 3
- 239000003513 alkali Substances 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002557 mineral fiber Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229920002689 polyvinyl acetate Polymers 0.000 description 2
- 239000011118 polyvinyl acetate Substances 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 238000012432 intermediate storage Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- E04B1/762—Exterior insulation of exterior walls
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F13/00—Coverings or linings, e.g. for walls or ceilings
- E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
- E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
- E04F13/0885—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements specially adapted for being adhesively fixed to the wall; Fastening means therefor; Fixing by means of plastics materials hardening after application
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- 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
- E04B2001/7683—Fibrous blankets or panels characterised by the orientation of the fibres
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F21/00—Implements for finishing work on buildings
- E04F21/18—Implements for finishing work on buildings for setting wall or ceiling slabs or plates
- E04F21/1838—Implements for finishing work on buildings for setting wall or ceiling slabs or plates for setting a plurality of similar elements
- E04F21/1844—Implements for finishing work on buildings for setting wall or ceiling slabs or plates for setting a plurality of similar elements by applying them one by one
- E04F21/1861—Implements for finishing work on buildings for setting wall or ceiling slabs or plates for setting a plurality of similar elements by applying them one by one for setting insulating panels
Definitions
- the present invention relates to a method for gluing the cut surfaces of mineral wool panels, in particular mineral wool lamella panels to a substrate with an adhesive mortar, and to pretreated mineral wool panels suitable for carrying out the method.
- DE-A-40 32 769 describes a thermal insulation system, preferably mineral fiber insulation material with panels of fiber-reinforced insulation material, in which the majority of the reinforcement fibers run essentially parallel to one another.
- Relatively expensive e.g. Two-component PUR adhesive or bitumen emulsion adhesive used.
- Another disadvantage here is the full-surface gluing, which means increased expenditure of material and time.
- DE-A-41 10 454 describes a thermal insulation system in which the mineral fiber insulation material is wetted on one side with a hydrophilizing solution so that it is permeable to air.
- a hydrophilizing solution such as alkali water glass
- Hydrophilization can lead to water accumulation, which worsens thermal insulation. If the side edge is hydrophilized and glued, undesirable thermal bridges can occur.
- DE-A-34 44 815 describes a building wall and ceiling structure which is intended for external facades and whose work effort for its manufacture on the construction site and its material expenditure should be less. This is achieved in that the superstructures are delivered to the construction site as prefabricated parts that only need to be processed by painters.
- Mineral wool panels in particular mineral wool laminate panels, have cut surfaces in which the fibers are predominantly arranged perpendicular to the surface. This arrangement of the fibers to the surface results in constant abrasion of the finest fiber fragments during transport and processing on the construction site, which prevent a good bond between the adhesive and the surface.
- the adhesive mortar is applied to the cut surface of the lamellar plate either by hand or by machine at the construction site.
- the mortar must then be worked into the surface of the plate using a notched trowel.
- the panels pretreated in this way are then applied to the wall with a joint offset.
- the finishing coat is applied after the reinforcement has been carried out.
- the invention has set itself the task of simplifying and improving the method for gluing the cut surfaces of mineral wool panels, in particular mineral wool lamella panels on a substrate with an adhesive mortar, where possible the manual or mechanical point and / or bead-shaped usual from other panels Application of the adhesive mortar should be used.
- This task can be surprisingly easily achieved by first precoating the entire surface of the cut surface with a thin layer of adhesive mortar or aqueous plastic dispersion and, after setting, applied either adhesive and / or beaded adhesive mortar and glued to the substrate or pressed into an adhesive layer that was previously sprayed onto the surface by machine in a dot and / or bead shape or over the entire surface.
- the precoating can already be carried out at the factory, so that the precoated mineral wool panels are already available at the construction site, which are then either punctiformly and / or beadedly applied with adhesive mortar in the known manner and glued to the substrate or pressed into an adhesive layer. that was previously sprayed onto the surface by machine in the form of a dot or a bead or over the entire surface.
- the mortar consumption is greatly reduced in the method according to the invention.
- the consumption for the previous thin layer with adhesive mortar or aqueous plastic dispersion is significantly less than the amount of mortar required for the full-surface gluing in the method previously used.
- the thin layer of adhesive mortar or aqueous plastic dispersion is applied at the factory, this can be done very efficiently by machine, so that further wage and labor costs can be saved.
- the pre-coated mineral wool lamella plates are glued to the substrate in that the substrate is mechanically coated in a punctiform and / or bead-like manner or over the entire surface with adhesive mortar.
- This mechanical application of the adhesive mortar is preferably carried out by means of conventional spray guns in connection with continuous mixers or plastering machines which work according to the mixing and conveying principle.
- the pre-coated mineral wool lamellar panels are pressed into the adhesive mortar layer applied over part or all of the surface.
- the bonding of the mineral wool laminate panels carried out in this way can be carried out by two people in a time-saving manner.
- a first person sprays the adhesive mortar in a punctiform and / or bulge or area, while the second person presses the pre-coated plates into this adhesive mortar layer. This creates a permanent, full-surface connection between the plate and the substrate.
- This method has the advantage that larger, coherent areas can be machine-applied with adhesive mortar, which represents a considerable time saving compared to the adhesive method, in which the plates have to be individually coated and glued. At the same time, this process guarantees partial or full surface bonding of the lamella plates.
- the method according to the invention makes it possible to compensate for unevenness of the substrate more easily and better than in the case of full-area gluing so far, especially since mortar is pressed out laterally when pressed and thus gets into the plane joint plane. There this mortar is noticeable as a thermal bridge.
- Aqueous plastic dispersions such as polyvinyl acetate, can also be used.
- Commercially available dispersions for primers are particularly suitable as primers inside and outside, in particular all alkali-resistant organic adhesives and adhesive emulsions.
- the cut surfaces are blown dust-free before the thin layer of adhesive mortar or aqueous plastic dispersion is applied, since this improves wetting and Adhesion of the adhesive mortar on the mineral surface leads. This is also easy to carry out in the factory, while such additional measures are more difficult to carry out on the construction site, in particular if workplace hygiene aspects are taken into account.
- the method according to the invention can be used with all mineral wool panels, in particular mineral wool lamella panels which, due to the manufacture, have a perpendicular arrangement of the fibers to the surface and whose surfaces are not bonded well with adhesive mortar due to the hydrophobization of the mineral wool and the dust residues on the surface.
- the method can also be used for other surfaces that result from cutting fibrous material and therefore present similar difficulties when gluing as the mineral wool laminated panels.
- these mineral wool panels can be prefabricated, transported and traded in larger quantities, these mineral wool panels, the cut surfaces of which are precoated with a thin set layer of adhesive mortar or aqueous plastic dispersion, are the subject of the invention.
- a lamellar plate RP-PL, WD according to DIN 18165, Al according to DIN 4102 T.1 and WLG 0.45 according to DIN 4108 was used.
- the tear resistance> 100 kN / m 2 was measured according to DIN 18165.
- the dimensions of the plate were 1200 x 200 mm.
- the plate thickness was 100 mm.
- Other commercial thicknesses of 20 to 240 mm were also used.
- At least one of the cut surfaces with fibers oriented perpendicular to the surface was coated with a 2 to 4 mm thick layer of a commercially available adhesive mortar (MF 700 from the applicant). After this thin layer had set, this area was spotted and / or beaded with additional adhesive mortar (MF 700) and then glued to the substrate.
- MF 700 commercially available adhesive mortar
- the adhesive strength of these boards to the substrate was better and more uniform than with a conventionally bonded mineral wool lamella board, to which adhesive mortar was first applied in the usual manner and then the mortar was worked into the surface structure by hand using a notched trowel.
- Various other qualities can also be used as adhesive mortar.
- the adhesive mortar MF 700 also fulfills the requirements of fire protection.
- the adhesive properties were further improved after the cut surface had been blown dust-free with compressed air before the thin layer of mortar was applied.
- the lamella plate is stored ready for dispatch.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Electromagnetism (AREA)
- Laminated Bodies (AREA)
- Glass Compositions (AREA)
- Building Environments (AREA)
- Finishing Walls (AREA)
- Fertilizers (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
Description
Gegenstand der vorliegenden Erfindung sind ein Verfahren zum Verkleben der Schnittflächen von Mineralwolleplatten, insbesondere von Mineralwollelamellenplatten auf einem Untergrund mit einem Klebemörtel sowie zur Durchführung des Verfahrens geeignete vorbehandelte Mineralwolleplatten.The present invention relates to a method for gluing the cut surfaces of mineral wool panels, in particular mineral wool lamella panels to a substrate with an adhesive mortar, and to pretreated mineral wool panels suitable for carrying out the method.
Die DE-A-40 32 769 beschreibt ein Wärmedämmsystem, vorzugsweise Mineralfaser-Dämmstoff mit Platten aus faserarmierten Dämmstoff, bei dem der überwiegende Teil der Armierungsfasern im wesentlichen parallel zueinander verläuft. Als Kleber werden relativ kostspielige z.B. Zweikomponenten-PUR-Kleber oder Bitumenemulsionskleber verwendet. Ein weiterer Nachteil ist hier die ganzflächige Verklebung, was erhöhten Material- und Zeitaufwand bedeutet.DE-A-40 32 769 describes a thermal insulation system, preferably mineral fiber insulation material with panels of fiber-reinforced insulation material, in which the majority of the reinforcement fibers run essentially parallel to one another. Relatively expensive e.g. Two-component PUR adhesive or bitumen emulsion adhesive used. Another disadvantage here is the full-surface gluing, which means increased expenditure of material and time.
Die DE-A-41 10 454 beschreibt ein Wärmedämmsystem, bei dem der Mineralfaser-Dämmstoff einseitig mit einer hydrophilierenden Lösung luftdurchlässig benetzt wird. Als hydrophilierende Lösung wird insbesondere Alkali-Wasserglas verwendet mit und ohne Füllstoffe. Die Hydrophilierung kann zu Ansammlungen von Wasser führen, wodurch die Wärmedämmung verschlechtert wird. Bei Hydrophilierung und Verklebung der Seitenkante können unerwünschte Wärmebrücken entstehen.DE-A-41 10 454 describes a thermal insulation system in which the mineral fiber insulation material is wetted on one side with a hydrophilizing solution so that it is permeable to air. In particular, alkali water glass is used as the hydrophilizing solution with and without fillers. Hydrophilization can lead to water accumulation, which worsens thermal insulation. If the side edge is hydrophilized and glued, undesirable thermal bridges can occur.
Die DE-A-34 44 815 beschreibt einen Gebäudewand- und -deckenaufbau, der für Außenfassaden vorgesehen ist und dessen für seine Herstellung auf der Baustelle erforderliche Arbeitsaufwand sowie dessen Materialaufwand geringer sein sollen. Dies wird dadurch erreicht, daß die Aufbauten als Fertigteile auf der Baustelle angeliefert werden, die nur noch durch Anstreicher bearbeitet werden müssen.DE-A-34 44 815 describes a building wall and ceiling structure which is intended for external facades and whose work effort for its manufacture on the construction site and its material expenditure should be less. This is achieved in that the superstructures are delivered to the construction site as prefabricated parts that only need to be processed by painters.
Mineralwolleplatten, insbesondere Mineralwollelamellenplatten weisen Schnittflächen auf, bei denen die Fasern überwiegend senkrecht zur Oberfläche angeordnet sind. Durch diese Anordnung der Fasern zur Oberfläche erfolgt beim Transport und bei der Bearbeitung auf der Baustelle ein ständiger Abrieb von feinsten Faserbruchstücken, welche eine gute Verbindung von Kleber und Oberfläche verhindern.Mineral wool panels, in particular mineral wool laminate panels, have cut surfaces in which the fibers are predominantly arranged perpendicular to the surface. This arrangement of the fibers to the surface results in constant abrasion of the finest fiber fragments during transport and processing on the construction site, which prevent a good bond between the adhesive and the surface.
Während Mineralwolleplatten mit liegenden Fasern oder Polystyrolplatten meistens maschinell punktförmig und/oder wulstförmig mit Klebemörtel beaufschlagt und dann mit dem Untergrund verklebt werden, ist es bisher notwendig, die Mineralwollelamellenplatten folgendermaßen zu verarbeiten:While mineral wool panels with lying fibers or polystyrene panels are usually mechanically punctured and / or bulged with adhesive mortar and then glued to the substrate, it has so far been necessary to process the mineral wool laminate panels as follows:
Im ersten Arbeitsschritt wird auf der Baustelle der Klebemörtel entweder von Hand oder maschinell auf die Schnittfläche der Lamellenplatte aufgebracht. In einem zweiten Schritt muß dann der Mörtel mittels einer Zahnkelle in die Plattenoberfläche eingearbeitet werden. In einer dritten Stufe werden die so vorbehandelten Platten dann im Verband fugenversetzt auf die Wand aufgebracht. In der vierten und letzten Stufe wird der Oberputz aufgebracht, nachdem vorher noch armiert worden ist.In the first step, the adhesive mortar is applied to the cut surface of the lamellar plate either by hand or by machine at the construction site. In a second step, the mortar must then be worked into the surface of the plate using a notched trowel. In a third stage, the panels pretreated in this way are then applied to the wall with a joint offset. In the fourth and final stage, the finishing coat is applied after the reinforcement has been carried out.
Insbesondere die Arbeitsschritte 1 und 2 sind sehr zeitaufwendig und können nur sehr schlecht auf dem Baugerüst durchgeführt werden. Beim Einarbeiten und Abziehen des Klebemörtels fällt stets ein Überschuß an Mörtel an, der nach Möglichkeit in einem Gefäß aufgefangen werden sollte. Dies ist insbesondere auf einem Baugerüst so umständlich, daß diese Beschichtung vorzugsweise ebenerdig erfolgt. Dies bedeutet aber, daß die frisch beschichtete Platte von Hand auf das Gerüst transportiert werden muß, wobei sie möglichst waagerecht zu halten ist, damit der Mörtel nicht wieder herunterfällt.In particular, work steps 1 and 2 are very time-consuming and can only be carried out very poorly on the scaffolding. When working in and removing the adhesive mortar, it always falls excess mortar, which should be collected in a container if possible. This is so cumbersome, especially on scaffolding, that this coating is preferably carried out at ground level. However, this means that the freshly coated slab must be transported onto the scaffold by hand, keeping it as horizontal as possible so that the mortar does not fall down again.
Die Erfindung hat sich die Aufgabe gestellt, das Verfahren zum Verkleben der Schnittflächen von Mineralwolleplatten, insbesondere von Mineralwollelamellenplatten auf einem Untergrund mit einem Klebemörtel zu vereinfachen und zu verbessern, wobei nach Möglichkeit die von anderen Platten her übliche manuelle oder maschinelle punkt- und/oder wulstförmige Auftragung des Klebemörtels zur Anwendung kommen soll.The invention has set itself the task of simplifying and improving the method for gluing the cut surfaces of mineral wool panels, in particular mineral wool lamella panels on a substrate with an adhesive mortar, where possible the manual or mechanical point and / or bead-shaped usual from other panels Application of the adhesive mortar should be used.
Diese Aufgabe kann überraschend einfach dadurch gelöst werden, daß die Schnittflächen zunächst ganzflächig mit einer dünnen Schicht Klebemörtel oder wäßriger Kunststoffdispersion vorbeschichtet und nach dem Abbinden entweder mit punkt- und/oder wulstförmig aufgetragenem Klebemörtel beaufschlagt und mit dem Untergrund verklebt werden oder in eine Kleberschicht eingedrückt werden, die zuvor maschinell punkt- und/oder wulstförmig oder vollflächig auf den Untergrund gespritzt wurde.This task can be surprisingly easily achieved by first precoating the entire surface of the cut surface with a thin layer of adhesive mortar or aqueous plastic dispersion and, after setting, applied either adhesive and / or beaded adhesive mortar and glued to the substrate or pressed into an adhesive layer that was previously sprayed onto the surface by machine in a dot and / or bead shape or over the entire surface.
Die Vorbeschichtung kann dabei bereits werksseitig erfolgen, so daß an der Baustelle bereits die vorbeschichteten Mineralwolleplatten vorliegen, die dann entweder in der an sich bekannten Weise punkt- und/oder wulstförmig mit Klebemörtel beaufschlagt und mit dem Untergrund verklebt werden oder in eine Kleberschicht eingedrückt werden, die zuvor maschinell punkt- oder wulstförmig oder vollflächig auf den Untergrund gespritzt wurde.The precoating can already be carried out at the factory, so that the precoated mineral wool panels are already available at the construction site, which are then either punctiformly and / or beadedly applied with adhesive mortar in the known manner and glued to the substrate or pressed into an adhesive layer. that was previously sprayed onto the surface by machine in the form of a dot or a bead or over the entire surface.
Da bei der üblichen punkt- und/oder wulstförmigen Auftragung von Klebemörtel meistens nur eine ca. 50%-ige Beschichtung ausreicht, ist bei dem erfindungsgemäßen Verfahren der Mörtelverbrauch stark reduziert. Der Verbrauch für die vorangegangene dünne Schicht mit Klebemörtel oder wäßriger Kunststoffdispersion ist deutlich geringer als die für die ganzflächige Verklebung notwendige Mörtelmenge bei der bisher angewandten Methode.Since usually only an approx. 50% coating is sufficient for the usual point and / or bead application of adhesive mortar, the mortar consumption is greatly reduced in the method according to the invention. The consumption for the previous thin layer with adhesive mortar or aqueous plastic dispersion is significantly less than the amount of mortar required for the full-surface gluing in the method previously used.
Weiterhin entfällt das Auffangen, Wiederverwerten oder Entsorgen von überschüssigem, abgezogenem Mörtel, so daß dies zu einer weiteren Materialersparnis führt.Furthermore, there is no need to collect, recycle or dispose of excess mortar that has been removed, so that this leads to further material savings.
Insbesondere wenn die dünne Schicht Klebemörtel oder wäßrige Kunststoffdispersion werksseitig aufgetragen wird, kann dies sehr rationell maschinell erfolgen, so daß weitere Lohn- und Arbeitskosten eingespart werden können.In particular, if the thin layer of adhesive mortar or aqueous plastic dispersion is applied at the factory, this can be done very efficiently by machine, so that further wage and labor costs can be saved.
Bei der weiteren Ausführungsform des erfindungsgemäßen Verfahrens werden die vorbeschichteten Mineralwollelamellenplatten mit dem Untergrund dadurch verklebt, daß der Untergrund maschinell punkt- und/oder wulstförmig oder vollflächig mit Klebemörtel beschichtet wird. Dieses maschinelle Aufbringen des Klebemörtels geschieht vorzugsweise mittels üblicher Spritzpistolen in Verbindung mit Durchlaufmischern oder Verputzmaschinen, die nach dem Misch-Förderprinzip arbeiten. In die so teil- oder vollflächig aufgetragene Klebemörtelschicht werden die vorbeschichteten Mineralwollelamellenplatten eingedrückt.In the further embodiment of the method according to the invention, the pre-coated mineral wool lamella plates are glued to the substrate in that the substrate is mechanically coated in a punctiform and / or bead-like manner or over the entire surface with adhesive mortar. This mechanical application of the adhesive mortar is preferably carried out by means of conventional spray guns in connection with continuous mixers or plastering machines which work according to the mixing and conveying principle. The pre-coated mineral wool lamellar panels are pressed into the adhesive mortar layer applied over part or all of the surface.
Die solcherart durchgeführte Verklebung der Mineralwollelamellenplatten kann zeitsparend von zwei Personen vorgenommen werden. Eine erste Person spritzt den Klebemörtel punkt- und/ oder wulstförmig oder flächenhaft auf, während die zweite Person die vorbeschichteten Platten in diese Klebemörtelschicht eindrückt. Hierbei entsteht eine dauerhafte, vollflächige Verbindung zwischen der Platte und dem Untergrund.The bonding of the mineral wool laminate panels carried out in this way can be carried out by two people in a time-saving manner. A first person sprays the adhesive mortar in a punctiform and / or bulge or area, while the second person presses the pre-coated plates into this adhesive mortar layer. This creates a permanent, full-surface connection between the plate and the substrate.
Dieses Verfahren hat den Vorteil, daß größere zusammenhängende Flächen am Stück maschinell mit Klebemörtel beaufschlagt werden können, was eine erhebliche Zeitersparnis gegenüber dem Klebeverfahren darstellt, bei dem die Platten einzeln beschichtet und verklebt werden müssen. Gleichzeitig wird durch dieses Verfahren eine teil- oder vollflächige Verklebung der Lamellenplatten gewährleistet.This method has the advantage that larger, coherent areas can be machine-applied with adhesive mortar, which represents a considerable time saving compared to the adhesive method, in which the plates have to be individually coated and glued. At the same time, this process guarantees partial or full surface bonding of the lamella plates.
Das erfindungsgemäße Verfahren gestattet, Unebenheiten des Untergrundes leichter und besser auszugleichen als bei der bisher ausgeübten vollflächigen Verklebung, zumal dabei beim Andrücken Mörtel seitlich ausgedrückt wird und damit in die Plattenfugenebene gelangt. Dort macht sich dieser Mörtel als Wärmebrücke störend bemerkbar.The method according to the invention makes it possible to compensate for unevenness of the substrate more easily and better than in the case of full-area gluing so far, especially since mortar is pressed out laterally when pressed and thus gets into the plane joint plane. There this mortar is noticeable as a thermal bridge.
Insbesondere bei einer werksseitigen Vorbehandlung der Schnittflächen mit der dünnen Schicht Klebemörtel oder wäßriger Kunststoffdispersion können auch andere Qualitäten von Klebemörtel zur Anwendung kommen als die bisher verwendeten, relativ kostspieligen Spezialmischungen. Insbesondere können niedrigerviskose, gut benetzende und rasch abbindende Mörtelmischungen zur Anwendung kommen. Dies vereinfacht und beschleunigt das Auftragen und Abbinden der dünnen Mörtelschicht, so daß auch Zwischenlagerzeiten bis zum Abbinden verkürzt oder ganz vermieden werden können. Weiterhin können wäßrige Kunststoffdispersionen verwendet werden, wie Polyvinylacetat. Geeignet sind vor allem auch handelsübliche Dispersionen für Grundierungen als Voranstriche innen wie außen, insbesondere alle alkalibeständigen organischen Kleber und Kleberemulsionen.In particular when the cut surfaces are pretreated at the factory with the thin layer of adhesive mortar or aqueous plastic dispersion, other qualities of adhesive mortar can also be used than the relatively expensive special mixtures used hitherto. In particular, low-viscosity, well-wetting and quick-setting mortar mixtures can be used. This simplifies and accelerates the application and setting of the thin layer of mortar, so that intermediate storage times before setting can be shortened or avoided entirely. Aqueous plastic dispersions, such as polyvinyl acetate, can also be used. Commercially available dispersions for primers are particularly suitable as primers inside and outside, in particular all alkali-resistant organic adhesives and adhesive emulsions.
Bei einer bevorzugten Ausführungsform des erfindungsgemäßen Verfahrens werden die Schnittflächen vor dem Auftrag der dünnen Schicht des Klebemörtels oder wäßriger Kunststoffdispersion staubfrei geblasen, da dies zu einer besseren Benetzung und Haftung des Klebemörtels auf dem mineralischen Untergrund führt. Werksseitig ist dies auch leicht durchführbar, während auf der Baustelle derartige zusätzliche Maßnahmen schwerer durchzuführen sind, insbesondere wenn arbeitsplatzhygienische Gesichtspunkte berücksichtigt werden.In a preferred embodiment of the method according to the invention, the cut surfaces are blown dust-free before the thin layer of adhesive mortar or aqueous plastic dispersion is applied, since this improves wetting and Adhesion of the adhesive mortar on the mineral surface leads. This is also easy to carry out in the factory, while such additional measures are more difficult to carry out on the construction site, in particular if workplace hygiene aspects are taken into account.
Das erfindungsgemäße Verfahren ist prinzipiell anwendbar bei allen Mineralwolleplatten, insbesondere Mineralwollelamellenplatten, die herstellungsbedingt eine senkrechte Anordnung der Fasern zur Oberfläche aufweisen und deren Oberflächen sowohl durch die Hydrophobierung der Mineralwolle als auch durch die Staubreste auf der Oberfläche keine gute Verbindung mit Klebemörtel eingehen. Selbstverständlich kann das Verfahren aber auch zur Anwendung kommen bei anderen Oberflächen, die durch Schneiden von faserigem Material entstehen und daher ähnliche Schwierigkeiten beim Verkleben bereiten wie die Mineralwollelamellenplatten.In principle, the method according to the invention can be used with all mineral wool panels, in particular mineral wool lamella panels which, due to the manufacture, have a perpendicular arrangement of the fibers to the surface and whose surfaces are not bonded well with adhesive mortar due to the hydrophobization of the mineral wool and the dust residues on the surface. Of course, the method can also be used for other surfaces that result from cutting fibrous material and therefore present similar difficulties when gluing as the mineral wool laminated panels.
Insbesondere bei einer werksseitigen Vorbehandlung der Schnittflächen mit der dünnen Schicht Klebemörtel oder wäßriger Kunststoffdispersion ist es möglich und durchaus sinnvoll, beide Seiten der Mineralwolleplatten zu beschichten. Dies hat den Vorteil, daß auf der Baustelle nicht darauf geachtet werden muß, daß die richtige Seite verklebt wird. Weiterhin kann beidseitig vorbehandeltes Material leicht auch auf der Außenseite mit weiterem Material verklebt werden.In particular when the cut surfaces are pretreated at the factory with the thin layer of adhesive mortar or aqueous plastic dispersion, it is possible and entirely sensible to coat both sides of the mineral wool panels. This has the advantage that it is not necessary to ensure that the correct side is glued on the construction site. Furthermore, material pretreated on both sides can easily be glued on the outside with additional material.
Da die vorbeschichteten Mineralwolleplatten in größeren Mengen vorgefertigt, transportiert und separat gehandelt werden können, sind auch diese Mineralwolleplatten, deren Schnittflächen mit einer dünnen abgebundenen Schicht Klebemörtel oder wäßriger Kunststoffdispersion vorbeschichtet sind, Gegenstand der Erfindung.Since the pre-coated mineral wool panels can be prefabricated, transported and traded in larger quantities, these mineral wool panels, the cut surfaces of which are precoated with a thin set layer of adhesive mortar or aqueous plastic dispersion, are the subject of the invention.
Das erfindungsgemäße Verfahren und die dabei als Zwischenprodukt anfallenden vorbeschichteten Mineralwolleplatten sind in dem nachfolgenden Beispiel näher erläutert.The process according to the invention and the precoated mineral wool sheets obtained as an intermediate product are explained in more detail in the example below.
Zum Einsatz gekommen ist eine Lamellenplatte RP-PL, WD nach DIN 18165, Al nach DIN 4102 T.1 und WLG 0,45 nach DIN 4108. Die Abreißfestigkeit > 100 kN/m2 wurde gemessen nach DIN 18165. Die Abmessungen der Platte betrugen 1200 x 200 mm. Die Plattendicke betrug 100 mm. Es kamen auch andere handelsübliche Dicken von 20 bis 240 mm zum Einsatz. Mindestens eine der Schnittflächen mit senkrecht zur Oberfläche ausgerichteten Fasern wurde mit einer 2 bis 4 mm dicken Schicht eines handelsüblichen Klebemörtels (MF 700 der Anmelderin) beschichtet. Nach dem Abbinden dieser dünnen Schicht wurde diese Fläche punkt- und/oder wulstförmig mit weiterem Klebemörtel (MF 700) beaufschlagt und dann mit dem Untergrund verklebt. Die Haftfestigkeit dieser Platten auf dem Untergrund war besser und gleichmäßiger als bei einer herkömmlich verklebten Mineralwollelamellenplatte, auf die in üblicher Weise zunächst Klebemörtel aufgetragen und dann von Hand mit einer Zahnkelle der Mörtel in die Oberflächenstruktur eingearbeitet wurde. Als Klebemörtel können auch verschiedene andere Qualitäten zur Anwendung kommen. Der Klebemörtel MF 700 erfüllt aber auch die Anforderungen des Brandschutzes.A lamellar plate RP-PL, WD according to DIN 18165, Al according to DIN 4102 T.1 and WLG 0.45 according to DIN 4108 was used. The tear resistance> 100 kN / m 2 was measured according to DIN 18165. The dimensions of the plate were 1200 x 200 mm. The plate thickness was 100 mm. Other commercial thicknesses of 20 to 240 mm were also used. At least one of the cut surfaces with fibers oriented perpendicular to the surface was coated with a 2 to 4 mm thick layer of a commercially available adhesive mortar (MF 700 from the applicant). After this thin layer had set, this area was spotted and / or beaded with additional adhesive mortar (MF 700) and then glued to the substrate. The adhesive strength of these boards to the substrate was better and more uniform than with a conventionally bonded mineral wool lamella board, to which adhesive mortar was first applied in the usual manner and then the mortar was worked into the surface structure by hand using a notched trowel. Various other qualities can also be used as adhesive mortar. The adhesive mortar MF 700 also fulfills the requirements of fire protection.
Ähnlich gute Ergebnisse wurden erzielt bei Verwendung von wäßriger Kunststoffdispersion auf Basis von Polyvinylacetat (neturasit® isoliergrund, Vertrieb durch die Anmelderin).Similar good results were achieved when using aqueous plastic dispersion based on polyvinyl acetate (neturasit® isoliergrund, sold by the applicant).
Die Klebeeigenschaften wurden noch verbessert, nachdem vor dem Auftragen der dünnen Mörtelschicht die Schnittfläche mit Preßluft staubfrei geblasen worden war.The adhesive properties were further improved after the cut surface had been blown dust-free with compressed air before the thin layer of mortar was applied.
Je nach Art des verwendeten Klebers schließt sich eine Trocken- oder Zwischenlagerzeit bis zum Abbinden des Klebers an. Nach erfolgter Aushärtung der Beschichtung wird die Lamellenplatte versandfähig gelagert.Depending on the type of adhesive used, there is a dry or temporary storage period before the adhesive sets. After the coating has hardened, the lamella plate is stored ready for dispatch.
Die oben beschriebenen Vorgänge sich auch fließbandmäßig durchführbar.The processes described above can also be carried out on an assembly line.
Claims (3)
- A method for the bonding of cut surfaces of mineral wool sheets, especially mineral wool lamellar sheets, to a substrate by means of an adhesive mortar, characterized in that said cut surfaces are first precoated with a thin layer of adhesive mortar or aqueous plastic dispersion on the whole surface thereof, and either, after curing, are provided with adhesive mortar applied at points and/or in lines and bonded to the substrate, or, after curing, are pressed into an adhesive layer which was preliminarily machine-sprayed onto the substrate at points and/or in lines or on the whole surface thereof.
- The method according to claim 1, characterized in that said cut surfaces are freed from dust by blowing prior to the application of said thin layer of adhesive mortar.
- Mineral wool sheets, especially mineral wool lamellar sheets, characterized in that the cut surfaces thereof are precoated with a thin cured layer of adhesive mortar or aqueous plastic dispersion.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE29522096U DE29522096U1 (en) | 1994-05-26 | 1995-05-23 | Mineral wool slabs |
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4418412 | 1994-05-26 | ||
DE4418412 | 1994-05-26 | ||
DE4421896 | 1994-06-23 | ||
DE4421896 | 1994-06-23 | ||
DE19515854 | 1995-04-29 | ||
DE19515854 | 1995-04-29 | ||
PCT/EP1995/002005 WO1995033105A1 (en) | 1994-05-26 | 1995-05-23 | Process for gluing cut sections of mineral wool panel |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0719365A1 EP0719365A1 (en) | 1996-07-03 |
EP0719365B1 true EP0719365B1 (en) | 1997-07-30 |
EP0719365B2 EP0719365B2 (en) | 2001-01-31 |
Family
ID=27206429
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95922485A Expired - Lifetime EP0719365B2 (en) | 1994-05-26 | 1995-05-23 | Process for gluing cut sections of mineral wool panel |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0719365B2 (en) |
AT (1) | ATE156219T1 (en) |
AU (1) | AU2736395A (en) |
DE (1) | DE59500446D1 (en) |
DK (1) | DK0719365T4 (en) |
WO (1) | WO1995033105A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10020333A1 (en) * | 2000-03-09 | 2001-09-20 | Rockwool Mineralwolle | Production of insulating plates, especially lamella plates, used for insulating building facades comprises subjecting the surface of a mineral fiber strip to an air, vapor and/or water |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19700787A1 (en) * | 1996-01-12 | 1997-07-17 | Koch Marmorit Gmbh | Method of processing heat insulation panels for facade insulation |
DE19720067C5 (en) * | 1996-05-29 | 2004-08-05 | Marmorit Gmbh | Pre-coated mineral wool slat plate and method of making the same |
DE19730470B4 (en) * | 1997-07-16 | 2007-11-15 | Knauf Marmorit Gmbh | Process for partial surface bonding of a vertical substrate with polystyrene plates |
DE59810045D1 (en) | 1997-07-31 | 2003-12-04 | Thueringer Daemmstoffwerke Gmb | Mineral wool insulation element and process for its manufacture |
ATE315015T1 (en) | 2000-03-09 | 2006-02-15 | Rockwool Mineralwolle | METHOD FOR PRODUCING INSULATING BOARDS |
DE10054951A1 (en) * | 2000-11-06 | 2002-05-29 | Rockwool Mineralwolle | insulating element |
EP1321595A3 (en) * | 2001-12-22 | 2004-04-21 | Deutsche Rockwool Mineralwoll GmbH & Co. OHG | Heat and/or sound insulating method of a building wall and device for carrying out said method |
FR2840931B1 (en) * | 2002-06-14 | 2004-10-22 | Haras Soc Ind Du | METHOD FOR MOUNTING AN INSULATING LAYER ON A CARRIER SURFACE, AND COSTIERE IMPLEMENTING THE METHOD |
DE10247457A1 (en) * | 2002-10-11 | 2004-04-22 | Saint-Gobain Isover G+H Ag | Composite thermal insulation system and building equipped with it |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT370470B (en) * | 1981-06-24 | 1983-04-11 | Oesterr Heraklith Ag | MULTILAYER INSULATION PANEL AND METHOD FOR THEIR PRODUCTION |
AT378805B (en) † | 1981-07-02 | 1985-10-10 | Perlmooser Zementwerke Ag | THERMAL INSULATION PLATE OR MAT |
DE3444815A1 (en) * | 1984-12-08 | 1986-06-12 | Wolfgang 4600 Dortmund Nohlen | Wall or ceiling construction of a building |
DE4032769C2 (en) * | 1989-10-30 | 1996-04-25 | Rolf Dr Gueldenpfennig | Thermal insulation system |
DE4110454C2 (en) * | 1991-03-29 | 1998-05-20 | Loba Bautenschutz Gmbh & Co Kg | Thermal insulation system with panels and method for surface treatment of these panels |
DE4119353C1 (en) † | 1991-06-12 | 1992-12-17 | Deutsche Rockwool Mineralwoll Gmbh, 4390 Gladbeck, De | |
DE9200081U1 (en) * | 1992-01-04 | 1992-02-27 | Heinemann, Herbert, 7530 Pforzheim | Building wall cladding |
-
1995
- 1995-05-23 AU AU27363/95A patent/AU2736395A/en not_active Abandoned
- 1995-05-23 DE DE59500446T patent/DE59500446D1/en not_active Expired - Fee Related
- 1995-05-23 EP EP95922485A patent/EP0719365B2/en not_active Expired - Lifetime
- 1995-05-23 DK DK95922485T patent/DK0719365T4/en active
- 1995-05-23 AT AT95922485T patent/ATE156219T1/en not_active IP Right Cessation
- 1995-05-23 WO PCT/EP1995/002005 patent/WO1995033105A1/en active IP Right Grant
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10020333A1 (en) * | 2000-03-09 | 2001-09-20 | Rockwool Mineralwolle | Production of insulating plates, especially lamella plates, used for insulating building facades comprises subjecting the surface of a mineral fiber strip to an air, vapor and/or water |
DE10020333B4 (en) * | 2000-03-09 | 2005-06-23 | Deutsche Rockwool Mineralwoll Gmbh & Co. Ohg | Method and device for the production of insulating boards and coating for a mineral fiber web |
Also Published As
Publication number | Publication date |
---|---|
DE59500446D1 (en) | 1997-09-04 |
DK0719365T3 (en) | 1997-12-29 |
EP0719365A1 (en) | 1996-07-03 |
AU2736395A (en) | 1995-12-21 |
EP0719365B2 (en) | 2001-01-31 |
ATE156219T1 (en) | 1997-08-15 |
WO1995033105A1 (en) | 1995-12-07 |
DK0719365T4 (en) | 2001-04-23 |
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