EP0424707B1 - Building-panel - Google Patents

Building-panel Download PDF

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Publication number
EP0424707B1
EP0424707B1 EP90119121A EP90119121A EP0424707B1 EP 0424707 B1 EP0424707 B1 EP 0424707B1 EP 90119121 A EP90119121 A EP 90119121A EP 90119121 A EP90119121 A EP 90119121A EP 0424707 B1 EP0424707 B1 EP 0424707B1
Authority
EP
European Patent Office
Prior art keywords
fire
panel
building
coating
mica
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
EP90119121A
Other languages
German (de)
French (fr)
Other versions
EP0424707A1 (en
Inventor
Werner Haas
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.)
GUTTA-WERKE AG
Original Assignee
GUTTA-WERKE AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by GUTTA-WERKE AG filed Critical GUTTA-WERKE AG
Priority to AT90119121T priority Critical patent/ATE92992T1/en
Publication of EP0424707A1 publication Critical patent/EP0424707A1/en
Application granted granted Critical
Publication of EP0424707B1 publication Critical patent/EP0424707B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
    • E04C2/32—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure formed of corrugated or otherwise indented sheet-like material; composed of such layers with or without layers of flat sheet-like material
    • E04C2/322—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure formed of corrugated or otherwise indented sheet-like material; composed of such layers with or without layers of flat sheet-like material with parallel corrugations
    • 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
    • E04B1/92—Protection against other undesired influences or dangers
    • E04B1/94—Protection against other undesired influences or dangers against fire
    • E04B1/941—Building elements specially adapted therefor
    • E04B1/942—Building elements specially adapted therefor slab-shaped
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D3/00—Roof covering by making use of flat or curved slabs or stiff sheets
    • E04D3/24—Roof covering by making use of flat or curved slabs or stiff sheets with special cross-section, e.g. with corrugations on both sides, with ribs, flanges, or the like
    • E04D3/34—Roof covering by making use of flat or curved slabs or stiff sheets with special cross-section, e.g. with corrugations on both sides, with ribs, flanges, or the like of specified materials, or of combinations of materials, not covered by any one of groups E04D3/26 - E04D3/32

Definitions

  • the invention relates to a fire-retardant construction board for use as a wall or roof-forming element, consisting of a bitumen plate, comprising a fire-retardant coating on at least one side.
  • the object of the invention is to provide a building board which is resistant to flying sparks and radiant heat and which meets the requirements of DIN 4102, Part 7.
  • DE-OS-32 06 218 discloses a building board which contains a fire-retardant layer, which layer consists of mica and a refractory binder.
  • the primary objective of the construction board disclosed is high strength, which is why it is relatively complex and has a relatively high density.
  • construction boards based on bitumen which are suitable, for example, for the production of so-called corrugated sheets, are known, but they have no fire-retardant property.
  • EP-A-0 126 939 describes a thin-shell molded piece made of plastic or bitumen-bonded composite material which is bonded to a reinforcing material at least in areas of extremely critical tensile stress from the outside.
  • These thin-shell shaped pieces can be a corrugated sheet and have at least one coating of a mixture of ceramic material and a binder on one side.
  • the building board has the features of claim 1.
  • the advantage is achieved that the crystal water contained in the mica evaporates when heated from 100 ° C and expands the mica, creating a gap between the coating surface and the carrier material Insulating layer is created, which can reach up to 10 mm thick and prevents the backing material from burning through.
  • the coating is preferably applied to the bitumen plate in a thickness of 2 to 3 mm.
  • the binder for the mica is preferably a fire-retardant dispersion paint which, in addition to serving as a binder for the mica, also serves for the adhesion of the coating to the carrier material.
  • the building board consists of a bitumen corrugated sheet 1 as the carrier material, which consists of cellulose and bitumen, and a coating 2, applied to the carrier material, with a thickness of 2 to 3 mm, which is fire-retardant and consists of a mixture of mica and a fire-retardant binder, which is preferably a fire retardant emulsion paint.
  • This serves both as a binder for the mica and for the adhesion of the coating to the bitumen plate.
  • the mica paint mixture is sprayed on by means of an "airless" spray system and the subsequent drying takes place in a dryer tunnel with a circulating air system, the water being removed from the emulsion paint.
  • the asbestos-free applied mica contains bound crystal water, which evaporates when heated from 100 ° C and expands or exfoliates the mica, creating an insulating layer between the bitumen plate and the coating surface.
  • This insulation layer which reaches a thickness of up to 10 mm, gives the building board its resistance to fire and radiant heat. It prevents the bitumen plate from burning through.
  • the building plate can be designed as a corrugated plate or as a flat plate, the structure of the plate being the same.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Building Environments (AREA)
  • Laminated Bodies (AREA)
  • Paints Or Removers (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

The building-panel consists of a bituminous corrugated panel (1) and of a coating (2) applied thereto, composed of mica and fire-retardant binder, preferably a fire-retardant latex paint. After spraying on the coating, drying takes place with removal of water. The building-panel then exhibits resistance to wind-blown fire and radiating heat. <IMAGE>

Description

Die Erfindung betrifft eine feuerhemmend ausgerüstete Bauplatte zur Verwendung als wand- oder dachbildendes Element, bestehend aus einer Bitumenplatte, umfassend mindestens auf einer Seite eine feuerhemmende Beschichtung.The invention relates to a fire-retardant construction board for use as a wall or roof-forming element, consisting of a bitumen plate, comprising a fire-retardant coating on at least one side.

Mit der Erfindung soll die Aufgabe gelöst werden, eine Bauplatte mit Widerstandsfähigkeit gegen Flugfeuer und strahlende Wärme zu schaffen, die den Anforderungen nach DIN 4102, Teil 7, genügt.The object of the invention is to provide a building board which is resistant to flying sparks and radiant heat and which meets the requirements of DIN 4102, Part 7.

In der DE-OS-32 06 218 wird eine Bauplatte offenbart, die eine feuerhemmende Schicht enthält, wobei diese Schicht aus Glimmer und einem feuerfesten Bindemittel besteht. Die primäre Zielsetzung der offenbarten Bauplatte liegt in einer hohen Festigkeit, weshalb sie relativ aufwendig ist und ein relativ hohes Raumgewicht aufweist. Demgegenüber sind Bauplatten auf Bitumenbasis, welche beispielsweise für die Herstellung von sogenannten Wellplatten geeignet sind, bekannt, die jedoch keine feuerhemmende Eigenschaft aufweisen. So beschreibt die EP-A-0 126 939 ein dünnschaliges Formstück aus kunststoff- oder bitumengebundenem Verbundwerkstoff, der mindestens in Bereichen von höchst kritischer Zugbeanspruchung von aussen mit einem Verstärkungsmaterial stoffschlüssig verbunden ist. Diese dünnschaligen Formstücke können eine Wellplatte sein und auf einer Seite mindestens eine Beschichtung aus einer Mischung von keramischem Material und einem Bindemittel aufweisen.DE-OS-32 06 218 discloses a building board which contains a fire-retardant layer, which layer consists of mica and a refractory binder. The primary objective of the construction board disclosed is high strength, which is why it is relatively complex and has a relatively high density. In contrast, construction boards based on bitumen, which are suitable, for example, for the production of so-called corrugated sheets, are known, but they have no fire-retardant property. For example, EP-A-0 126 939 describes a thin-shell molded piece made of plastic or bitumen-bonded composite material which is bonded to a reinforcing material at least in areas of extremely critical tensile stress from the outside. These thin-shell shaped pieces can be a corrugated sheet and have at least one coating of a mixture of ceramic material and a binder on one side.

Es ist daher eine Aufgabe der vorliegenden Erfindung, eine Bauplatte auf Bitumenbasis vorzuschlagen, welche die oben angeführten feuerhemmenden Eigenschaften aufweisen soll.It is therefore an object of the present invention to propose a building board based on bitumen, which is said to have the fire-retardant properties mentioned above.

Zur Lösung dieser Aufgabe weist die Bauplatte die Merkmale gemäss Anspruch 1 auf.To achieve this object, the building board has the features of claim 1.

Mit dem zusammen mit einem feuerhemmenden Bindemittel als Beschichtung auf das aus einer Bitumenplatte bestehende Trägermaterial aufgebrachten Glimmer erzielt man den Vorteil, dass das im Glimmer gebunden enthaltene Kristallwasser bei Erwärmung ab 100° C verdampft und den Glimmer bläht, wodurch zwischen der Beschichtungsoberfläche und dem Trägermaterial eine Dämmschicht entsteht, die bis zu 10 mm Dicke erreichen kann und verhindert, dass das Trägermaterial durchbrennt. Die Beschichtung ist vorzugsweise in einer Stärke von 2 bis 3 mm auf die Bitumenplatte aufgebracht. Das Bindemittel für den Glimmer ist vorzugsweise eine feuerhemmende Dispersionsfarbe, die ausser als Bindemittel für den Glimmer auch für die Haftung der Beschichtung auf dem Trägermaterial dient.With the mica applied together with a fire-retardant binder as a coating on the carrier material consisting of a bitumen plate, the advantage is achieved that the crystal water contained in the mica evaporates when heated from 100 ° C and expands the mica, creating a gap between the coating surface and the carrier material Insulating layer is created, which can reach up to 10 mm thick and prevents the backing material from burning through. The coating is preferably applied to the bitumen plate in a thickness of 2 to 3 mm. The binder for the mica is preferably a fire-retardant dispersion paint which, in addition to serving as a binder for the mica, also serves for the adhesion of the coating to the carrier material.

Ein Ausführungsbeispiel wird nachfolgend anhand der Zeichnungen näher erläutert. Es zeigen:

  • Fig. 1 und 2 Seitenansicht und Draufsicht einer als Wellplatte ausgebildeten efindungsgemässen Bauplatte;
  • Fig. 3 den in Fig. 1 eingekreisten Ausschnitt in grösserem Massstab.
An embodiment is explained below with reference to the drawings. Show it:
  • Figures 1 and 2 side view and top view of a construction board designed as a corrugated sheet according to the invention;
  • Fig. 3 the detail circled in Fig. 1 in on a larger scale.

Die Bauplatte besteht aus einer Bitumenwellplatte 1 als Trägermaterial, welches aus Zellulose und Bitumen besteht, und aus einer auf das Trägermaterial aufgebrachten Beschichtung 2 mit einer Dicke von 2 bis 3 mm, die feuerhemmend ist und aus einer Mischung von Glimmer und einem feuerhemmenden Bindemittel besteht, welches vorzugsweise eine feuerhemmende Dispersionsfarbe ist. Diese dient sowohl als Bindemittel für den Glimmer als auch für die Haftung der Beschichtung auf der Bitumenplatte. Das Glimmer-Farbgemisch wird mittels eines Spritzsystems "Airless" aufgespritzt und die anschliessende Trocknung erfolgt in einem Trocknertunnel mit Umluftsystem, wobei der Dispersionsfarbe das Wasser entzogen wird. Das asbestfreie aufgetragene Glimmer enthält gebundenes Kristallwasser, welches bei der Erwärmung ab 100° C verdampft und den Glimmer bläht oder exfoliert, wodurch zwischen der Bitumenplatte und der Beschichtungsoberfläche eine Dämmschicht entsteht. Diese Dämmschicht, die bis 10 mm Dicke erreicht, verleiht der Bauplatte die Widerstandsfähigkeit gegen Flugfeuer und strahlende Wärme. Sie verhindert das Durchbrennen der Bitumenplatte. Die Bauplatte kann als Wellplatte oder als ebene Platte ausgebildet sein, wobei der Aufbau der Platte gleich ist.The building board consists of a bitumen corrugated sheet 1 as the carrier material, which consists of cellulose and bitumen, and a coating 2, applied to the carrier material, with a thickness of 2 to 3 mm, which is fire-retardant and consists of a mixture of mica and a fire-retardant binder, which is preferably a fire retardant emulsion paint. This serves both as a binder for the mica and for the adhesion of the coating to the bitumen plate. The mica paint mixture is sprayed on by means of an "airless" spray system and the subsequent drying takes place in a dryer tunnel with a circulating air system, the water being removed from the emulsion paint. The asbestos-free applied mica contains bound crystal water, which evaporates when heated from 100 ° C and expands or exfoliates the mica, creating an insulating layer between the bitumen plate and the coating surface. This insulation layer, which reaches a thickness of up to 10 mm, gives the building board its resistance to fire and radiant heat. It prevents the bitumen plate from burning through. The building plate can be designed as a corrugated plate or as a flat plate, the structure of the plate being the same.

Claims (4)

  1. A building-panel finished to be fire-resisting for use as wall- or roof-forming element, comprising a bituminous panel (1) having at least on one side a fire-resisting coating (2), characterized in that said fire-resisting coating (2) is formed of a mixture of mica and a fireproof binder, wherein said binder is a fire-resisting dispersion paint.
  2. Building-panel according to claim 1, characterized in that the bituminous panel (1) formed of cellulose and bitumen presents a fire-resisting coating (2) of 2 to 3 mm thickness.
  3. Building-panel according to claim 1, characterized in that said coating (2) is applied onto said bituminous panel by spraying.
  4. Building-panel according to any of the preceding claims, characterized in that it is shaped as corrugated or plane panel.
EP90119121A 1989-10-25 1990-10-05 Building-panel Expired - Lifetime EP0424707B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT90119121T ATE92992T1 (en) 1989-10-25 1990-10-05 BUILDING PLATE.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH3851/89 1989-10-25
CH3851/89A CH678958A5 (en) 1989-10-25 1989-10-25

Publications (2)

Publication Number Publication Date
EP0424707A1 EP0424707A1 (en) 1991-05-02
EP0424707B1 true EP0424707B1 (en) 1993-08-11

Family

ID=4264841

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90119121A Expired - Lifetime EP0424707B1 (en) 1989-10-25 1990-10-05 Building-panel

Country Status (4)

Country Link
EP (1) EP0424707B1 (en)
AT (1) ATE92992T1 (en)
CH (1) CH678958A5 (en)
DE (1) DE59002297D1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3206218A1 (en) * 1982-02-20 1983-09-01 Wolfgang 7517 Waldbronn Jansen Non-combustible building panel and process for its manufacture
CH663051A5 (en) * 1983-04-21 1987-11-13 Amrotex Ag THIN-SHELLED MOLDED PIECE MADE OF PLASTIC OR BITUMEN-TIED COMPOSITE.
DE9000696U1 (en) * 1990-01-23 1990-03-29 Gutta Werke Ag, Baeretswil, Ch

Also Published As

Publication number Publication date
DE59002297D1 (en) 1993-09-16
EP0424707A1 (en) 1991-05-02
ATE92992T1 (en) 1993-08-15
CH678958A5 (en) 1991-11-29

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