EP0747549A1 - Method of renovating false ceilings, renovated ceiling and suspension element therefor - Google Patents

Method of renovating false ceilings, renovated ceiling and suspension element therefor Download PDF

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Publication number
EP0747549A1
EP0747549A1 EP96107654A EP96107654A EP0747549A1 EP 0747549 A1 EP0747549 A1 EP 0747549A1 EP 96107654 A EP96107654 A EP 96107654A EP 96107654 A EP96107654 A EP 96107654A EP 0747549 A1 EP0747549 A1 EP 0747549A1
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EP
European Patent Office
Prior art keywords
ceiling
elements
suspended ceiling
renovated
new
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.)
Withdrawn
Application number
EP96107654A
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German (de)
French (fr)
Inventor
Romeo Folghera
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GEMA METALLDECKEN AG
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GEMA METALLDECKEN AG
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Filing date
Publication date
Application filed by GEMA METALLDECKEN AG filed Critical GEMA METALLDECKEN AG
Publication of EP0747549A1 publication Critical patent/EP0747549A1/en
Withdrawn legal-status Critical Current

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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
    • E04B9/22—Connection of slabs, panels, sheets or the like to the supporting construction
    • E04B9/24—Connection of slabs, panels, sheets or the like to the supporting construction with the slabs, panels, sheets or the like positioned on the upperside of, or held against the underside of the horizontal flanges of the supporting construction or accessory means connected thereto
    • E04B9/26—Connection of slabs, panels, sheets or the like to the supporting construction with the slabs, panels, sheets or the like positioned on the upperside of, or held against the underside of the horizontal flanges of the supporting construction or accessory means connected thereto by means of snap action of elastically deformable elements held against the underside of the supporting construction

Definitions

  • the present invention relates to a method for renovating suspended ceilings from mineral fiber boards inserted in ⁇ -profiles of a supporting system arranged under the fixed ceiling, furthermore to a suspended ceiling and suspension elements produced by the method for carrying out the method.
  • Suspended ceilings consisting of mineral fiber boards inserted in reverse T-profiles (main and cross rails), in particular fiber cement boards containing asbestos, must be quickly renovated according to current knowledge.
  • the existing mineral fiber plates are preferably replaced by metal plates.
  • the object of the present invention was to optimize costs in the renovation of existing suspended ceilings made of mineral fiber boards.
  • the basic idea was to leave the existing ceiling in place (no dismantling) and to use the existing support system together with additional suspension elements to be attached to it, in order to hang new ceiling elements below the ceiling to be renovated. Apart from the new ceiling elements, the effort is minimal, since thanks to the existing support system and suitable cross point hangers, even larger plate formats can be used.
  • the new metal plate elements are provided with so-called acoustic fleece on the back, the acoustics can be improved at the same time. With the same procedure e.g. Existing fire protection ceilings can also be renovated economically.
  • the invention also relates to a suspended ceiling construction produced by the method according to the invention.
  • the invention further relates to a particularly suitable suspension element for carrying out the method, which is characterized in that the element is designed as a cross-point hanger in the form of a clip made of resilient material, the U-shaped clip having two legs which are separated in the longitudinal direction and which on have free upper end receptacles for snapping into the support flanges of the ⁇ -profiles of the support system and which can be rebounded both in the leg plane and transversely to it.
  • the element is designed as a cross-point hanger in the form of a clip made of resilient material, the U-shaped clip having two legs which are separated in the longitudinal direction and which on have free upper end receptacles for snapping into the support flanges of the ⁇ -profiles of the support system and which can be rebounded both in the leg plane and transversely to it.
  • the element is preferably made of spring steel.
  • Appropriately upward cheeks, possibly with a preferably central notch, are provided on the side edges of the connecting web of the legs, into which the new suspended ceiling elements can be suspended from above with suspension lugs in their longitudinal edges.
  • Fig. 1 and 2 of the drawing show a support system arranged under a fixed ceiling (not shown) of main and transverse rails 1 and 2, in which mineral fiber plates 3 are inserted (these are supported on the transverse flanges of the rails 1, 2).
  • suspension elements 4 projecting downward from the rails are now attached according to the invention and the new ceiling panels in the form of known metal ceiling elements 5 are finally hung on them without removing the old ceiling.
  • the new metal ceiling elements 5 are dimensioned in such a way that their side edges butt directly against one another (without a joint) (see joint P). So-called acoustic fleeces 5 'can be glued to the back of the ceiling elements 5. Depending on the spacing of the rails 1, 2 and the stability of the metal plates 5, the suspension elements 4 can be attached at any spacing, which allows the use of smaller or larger plates 5.
  • the elements 4 are attached to the supporting flanges of the rails 1 and 2 from below by joints between the existing plates 3.
  • Any desired suspension devices 4 can be used for this, provided that they can be assembled in a simple manner.
  • FIG. 3 shows a particularly suitable suspension element in the form of a U-shaped clip 6 with two legs 7, 7 'and 8, 8', each separated in the longitudinal direction, which are connected to one another via a connecting web 9.
  • the whole consists of resilient material, preferably spring steel, so that the legs 7, 7 'and 8, 8' against each other and the leg parts 7, 7 'and 8, 8' in their plane can also be rebounded with respect to each other.
  • the suspension elements can be clamped onto the support flanges of the rails from below (with the mounts 10, 11).
  • upwardly projecting cheeks 12 are provided, preferably with a centrally arranged notch 13, for hanging in the new metal plate elements to be assembled from below.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Working Measures On Existing Buildindgs (AREA)

Abstract

The support system arranged under a fixed room ceiling comprises main and cross rails (1,2) in which mineral fibre plates (3) are laid, supporting on the rail cross flanges. For a renovation, the mineral fibre plate under-ceiling is fitted on suspension components (4) projecting downwards from the rails. The new ceiling plates in the form of metal plate components (5) are suspended on the suspension components, without removing the old under-ceiling. The new metal ceiling components are so dimensioned that in the installed state their side edges abut directly without a seam. An acoustic fleece (5') can be adhered on the rear side of the ceiling components.

Description

Die vorliegende Erfindung betrifft ein Verfahren zur Renovation von Unterdecken aus in ⊥-Profilen eines unter der festen Raumdecke angeordneten Tragsystems eingelegten Mineralfaserplatten, ferner eine nach dem Verfahren hergestellte Unterdecke und Aufhängeelemente zur Durchführung des Verfahrens.The present invention relates to a method for renovating suspended ceilings from mineral fiber boards inserted in ⊥-profiles of a supporting system arranged under the fixed ceiling, furthermore to a suspended ceiling and suspension elements produced by the method for carrying out the method.

Unterdecken, bestehend aus in umgekehrten T-Profilen (Haupt- und Querschienen) eingelegten Mineralfaserplatten, insbesondere asbesthaltigen Faserzementplatten, müssen nach heutigen Erkenntnissen rasch renoviert werden. Dabei werden die bestehenden Mineralfaserplatten vorzugsweise durch Metallplatten ersetzt. Neben den unumgänglichen Kosten für die neuen Platten entstehen meistens Kosten bei der Demontage der bestehenden Decke und oft Kosten für Aenderung bzw. Anpassung des Tragsystems.Suspended ceilings, consisting of mineral fiber boards inserted in reverse T-profiles (main and cross rails), in particular fiber cement boards containing asbestos, must be quickly renovated according to current knowledge. The existing mineral fiber plates are preferably replaced by metal plates. In addition to the inevitable costs for the new panels, there are usually costs for dismantling the existing ceiling and often costs for changing or adapting the support system.

Aufgabe der vorliegenden Erfindung war die Kostenoptimierung bei der Renovation bestehender Unterdecken aus Mineralfaserplatten.The object of the present invention was to optimize costs in the renovation of existing suspended ceilings made of mineral fiber boards.

Diese Aufgabe wurde nun bei einem Verfahren der eingangs definierten Art erfindungsgemäss dadurch gelöst, dass von unten her durch Fugen in der zu renovierenden Unterdecke über diese hinaus nach unten abstehende Aufhängeelemente an den Tragflanschen der ⊥-Profile angebracht werden und dass neue Unterdeckenelemente im Abstand unterhalb der zu renovierenden Unterdecke an den nach unten abstehenden Aufhängeelementen aufgehängt werden.This object has now been achieved according to the invention in a method of the type defined in the introduction in that, from below, joints in the suspended ceiling to be renovated are used to attach hanging elements which protrude downwards to the supporting flanges of the ⊥ profiles, and that new ones Suspended ceiling elements are hung at a distance below the suspended ceiling to be renovated on the hanging elements protruding downwards.

Der Grundgedanke lag somit darin, die bestehende Decke am Ort zu belassen (keine Demontage) und das bestehende Tragsystem zusammen mit zusätzlichen, an diesem anzubringenden Aufhängeelementen zu benutzen, um neue Unterdeckenelemente unterhalb der zu renovierenden Unterdecke aufzuhängen. Abgesehen von den neuen Deckenelementen ist der Aufwand minimal, da dank dem bestehenden Tragsystem und geeigneten Kreuzpunktabhängern sogar grössere Plattenformate verwendbar sind.The basic idea was to leave the existing ceiling in place (no dismantling) and to use the existing support system together with additional suspension elements to be attached to it, in order to hang new ceiling elements below the ceiling to be renovated. Apart from the new ceiling elements, the effort is minimal, since thanks to the existing support system and suitable cross point hangers, even larger plate formats can be used.

Falls die neuen Metallplattenelemente rückseitig mit sog. Akustikvlies versehen werden, kann gleichzeitig die Akustik verbessert werden. Mit demselben Verfahren können z.B. auch bestehende Brandschutzdecken auf wirtschaftliche Weise saniert werden.If the new metal plate elements are provided with so-called acoustic fleece on the back, the acoustics can be improved at the same time. With the same procedure e.g. Existing fire protection ceilings can also be renovated economically.

Ebenfalls Gegenstand der Erfindung bildet eine nach dem erfindungsgemässen Verfahren hergestellte Unterdeckenkonstruktion.The invention also relates to a suspended ceiling construction produced by the method according to the invention.

Weiter ist Gegenstand der Erfindung ein besonders geeignetes Aufhängeelement zur Durchführung des Verfahrens, welches sich dadurch auszeichnet, dass das Element als Kreuzpunktaufhänger in Form eines Clip aus federndem Material ausgebildet ist, wobei der U-förmige Clip zwei jeweils in Längsrichtung getrennte Schenkel aufweist, welche am freien oberen Ende Aufnahmen zum Einrasten in die Tragflanschen der ⊥-Profile des Tragsystems aufweisen und welche sowohl in der Schenkelebene als auch quer dazu ausfederbar sind.The invention further relates to a particularly suitable suspension element for carrying out the method, which is characterized in that the element is designed as a cross-point hanger in the form of a clip made of resilient material, the U-shaped clip having two legs which are separated in the longitudinal direction and which on have free upper end receptacles for snapping into the support flanges of the ⊥-profiles of the support system and which can be rebounded both in the leg plane and transversely to it.

Das Element besteht vorzugsweise aus Federstahl. Zweckmässigerweise sind an den Seitenrändern des Verbindungssteges der Schenkel nach oben ragende Wangen, eventuell mit einer vorzugsweise mittigen Einkerbung, vorgesehen, in welche die neuen Unterdeckenelemente mit Aufhängenasen in deren Längsrändern von oben her einhängbar sind.The element is preferably made of spring steel. Appropriately upward cheeks, possibly with a preferably central notch, are provided on the side edges of the connecting web of the legs, into which the new suspended ceiling elements can be suspended from above with suspension lugs in their longitudinal edges.

Die Erfindung wird nachstehend anhand eines in der Zeichnung dargestellten Ausführungsbeispiels noch etwas näher erläutert. Es zeigen:

Fig. 1 und 2
ein Tragsystem aus Haupt- und Querschienen für darin einzulegende Mineralfaser-Deckenplatten, mit an der Hauptschiene angebrachten Aufhängeelementen (Kreuzpunktabhänger), an welchen eine neue Unterdecke aus Metallplatten aufgehängt ist, und
Fig. 3
ein bei der Deckenkonstruktion nach Fig. 1 und 2 eingesetztes Aufhängeelement.
The invention is explained in more detail below with reference to an embodiment shown in the drawing. Show it:
1 and 2
a support system consisting of main and cross rails for mineral fiber ceiling slabs to be inserted, with hanging elements (cross point hangers) attached to the main rail, on which a new suspended ceiling made of metal plates is suspended, and
Fig. 3
a suspension element used in the ceiling construction according to FIGS. 1 and 2.

Fig. 1 und 2 der Zeichnung zeigen ein unter einer festen Raumdecke (nicht dargestellt) angeordnetes Tragsystem aus Haupt- und Querschienen 1 bzw. 2, in welchen Mineralfaserplatten 3 eingelegt sind (diese stützen sich auf den Querflanschen der Schienen 1, 2 ab). Für eine Renovation einer solchen aus Mineralfaserplatten bestehenden Unterdecke werden nun erfindungsgemäss an den Schienen nach unten abstehende Aufhängeelemente 4 angebracht und an diesen schliesslich die neuen Deckenplatten in Form von bekannten Metalldeckenelementen 5 aufgehängt, ohne die alte Unterdecke zu entfernen.Fig. 1 and 2 of the drawing show a support system arranged under a fixed ceiling (not shown) of main and transverse rails 1 and 2, in which mineral fiber plates 3 are inserted (these are supported on the transverse flanges of the rails 1, 2). For a renovation of such a ceiling made of mineral fiber panels, suspension elements 4 projecting downward from the rails are now attached according to the invention and the new ceiling panels in the form of known metal ceiling elements 5 are finally hung on them without removing the old ceiling.

Die neuen Metalldeckenelemente 5 sind dabei so dimensioniert, dass in eingebautem Zustand ihre Seitenkanten direkt (ohne Fuge) aneinanderstossen (siehe Stoss P). Auf der Rückseite der Deckenelemente 5 können sog. Akustikvliese 5' aufgeklebt sein. Je nach Abstand der Schienen 1, 2 und Stabilität der Metallplatten 5 können die Aufhängeelemente 4 in beliebigen Abständen angebracht werden, was den Einsatz kleinerer oder grösserer Platten 5 zulässt.The new metal ceiling elements 5 are dimensioned in such a way that their side edges butt directly against one another (without a joint) (see joint P). So-called acoustic fleeces 5 'can be glued to the back of the ceiling elements 5. Depending on the spacing of the rails 1, 2 and the stability of the metal plates 5, the suspension elements 4 can be attached at any spacing, which allows the use of smaller or larger plates 5.

Die Elemente 4 werden von unten her durch Fugen zwischen den bestehenden Platten 3 an den Tragflanschen der Schienen 1 bzw. 2 angebracht.The elements 4 are attached to the supporting flanges of the rails 1 and 2 from below by joints between the existing plates 3.

Es können dazu beliebig ausgestaltete Aufhängevorrichtungen 4 verwendet werden, vorausgesetzt, diese lassen sich auf einfache Weise montieren.Any desired suspension devices 4 can be used for this, provided that they can be assembled in a simple manner.

Fig. 3 zeigt ein besonders geeignetes Aufhängeelement in Form eines U-förmigen Clip 6 mit zwei jeweils in Längsrichtung getrennten Schenkeln 7, 7' bzw. 8, 8', welche über einen Verbindungssteg 9 miteinander verbunden sind. Das Ganze besteht aus federndem Material, vorzugsweise Federstahl, so dass die Schenkel 7, 7' und 8, 8' gegeneinander und die Schenkelteile 7, 7' bzw. 8, 8' in deren Ebene ebenfalls bezüglich einander ausfederbar sind.3 shows a particularly suitable suspension element in the form of a U-shaped clip 6 with two legs 7, 7 'and 8, 8', each separated in the longitudinal direction, which are connected to one another via a connecting web 9. The whole consists of resilient material, preferably spring steel, so that the legs 7, 7 'and 8, 8' against each other and the leg parts 7, 7 'and 8, 8' in their plane can also be rebounded with respect to each other.

Dank diesem Aufbau lassen sich die Aufhängeelemente von unten her auf die Tragflanschen der Schienen aufklemmen (mit den Aufnahmen 10, 11).Thanks to this structure, the suspension elements can be clamped onto the support flanges of the rails from below (with the mounts 10, 11).

Längs der Kanten des Verbindungssteges 9 sind nach oben ragende Wangen 12 vorgesehen, vorzugsweise mit mittig angeordneter Kerbe 13, zum Einhängen der von unten her zu montierenden neuen Metallplattenelemente.Along the edges of the connecting web 9, upwardly projecting cheeks 12 are provided, preferably with a centrally arranged notch 13, for hanging in the new metal plate elements to be assembled from below.

Claims (6)

Verfahren zur Renovation von Unterdecken aus in ⊥-Profilen eines unter der festen Raumdecke angeordneten Tragsystems eingelegten Mineralfaserplatten, dadurch gekennzeichnet, dass von unten her durch Fugen in der zu renovierenden Unterdecke über diese hinaus nach unten abstehende Aufhängeelemente an den Tragflanschen der ⊥-Profile angebracht werden und dass neue Unterdeckenelemente im Abstand unterhalb der zu renovierenden Unterdecke an den nach unten abstehenden Aufhängeelementen aufgehängt werden.Process for the renovation of suspended ceilings made of mineral fiber boards inserted in ⊥-profiles of a supporting system arranged under the fixed ceiling, characterized in that hanging elements protruding downwards from below on the supporting flanges of the ⊥-profiles by joints in the suspended ceiling to be renovated and that new suspended ceiling elements are hung at a distance below the suspended ceiling to be renovated on the hanging elements projecting downwards. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass die neuen Unterdeckenelemente, vorzugsweise in Form von Metalldeckenplatten, entlang ihrer Kanten direkt aneinanderstossend montiert werden.A method according to claim 1, characterized in that the new suspended ceiling elements, preferably in the form of metal ceiling panels, are mounted directly abutting along their edges. Unterdecke, hergestellt nach dem Verfahren nach Anspruch 1 oder 2.Suspended ceiling, produced by the method according to claim 1 or 2. Aufhängeelement zur Durchführung des Verfahrens nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass das Element als Kreuzpunktaufhänger in Form eines Clip aus federndem Material ausgebildet ist, wobei der U-förmige Clip zwei jeweils in Längsrichtung getrennte Schenkel aufweist, welche am freien oberen Ende Aufnahmen zum Einrasten in die Tragflanschen der ⊥-Profile des Tragsystems aufweisen und welche sowohl in der Schenkelebene als auch quer dazu ausfederbar sind.Suspension element for carrying out the method according to claim 1 or 2, characterized in that the element is designed as a cross point hanger in the form of a clip made of resilient material, the U-shaped clip having two legs which are each separated in the longitudinal direction and which have receptacles at the free upper end Have snapping into the support flanges of the ⊥-profiles of the support system and which can be rebounded both in the leg plane and transversely to it. Element nach Anspruch 4, dadurch gekennzeichnet, dass es aus Federstahl besteht.Element according to claim 4, characterized in that it consists of spring steel. Element nach Anspruch 4 oder 5, dadurch gekennzeichnet, dass an den Seitenrändern des Verbindungssteges der Schenkel nach oben ragende Wangen, ggf. mit einer mittigen Einkerbung, vorgesehen sind, in welche die neuen Unterdeckenelemente mit ihren Rändern von oben her einhängbar sind.Element according to claim 4 or 5, characterized in that on the side edges of the connecting web of the legs upwardly projecting cheeks, optionally with a central notch, are provided, into which the new suspended ceiling elements can be hung with their edges from above.
EP96107654A 1995-06-10 1996-05-14 Method of renovating false ceilings, renovated ceiling and suspension element therefor Withdrawn EP0747549A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19521173 1995-06-10
DE1995121173 DE19521173A1 (en) 1995-06-10 1995-06-10 Process for the renovation of suspended ceilings, a suspended ceiling produced according to the process and suspension elements for carrying out the process

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EP0747549A1 true EP0747549A1 (en) 1996-12-11

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EP96107654A Withdrawn EP0747549A1 (en) 1995-06-10 1996-05-14 Method of renovating false ceilings, renovated ceiling and suspension element therefor

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008090579A2 (en) * 2007-01-24 2008-07-31 Antonio Guerrasio S.R.L. Suspended ceiling system using existing reversed t-bar ceiling supports
CN102454243A (en) * 2010-11-02 2012-05-16 北新集团建材股份有限公司 Damping ceiling system

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB802205A (en) * 1954-10-28 1958-10-01 Bertram A Wilson Improvements relating to suspension means for light diffusing devices, particularly for use in connection with fluorescent lighting
FR1581046A (en) * 1968-07-05 1969-09-12
DE2006780A1 (en) * 1970-02-14 1971-10-07 Fa Douglas Hunter, Rotterdam (Nie derlande) Retaining element for a wall or ceiling cladding designed as a set of structural elements
US4361996A (en) * 1979-12-20 1982-12-07 Levolor Lorentzen, Inc. Ceiling renovation system
EP0289169A2 (en) * 1987-04-28 1988-11-02 Hunter Douglas Industries B.V. Ceiling panel carrier adapter member
WO1991009186A1 (en) * 1989-12-13 1991-06-27 Williams, Booth & Stewart Ceiling system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3871150A (en) * 1972-12-22 1975-03-18 Armstrong Cork Co Remodeling ceiling clip
US4736564A (en) * 1986-10-08 1988-04-12 Alcan Aluminum Corporation Conversion ceiling pan and system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB802205A (en) * 1954-10-28 1958-10-01 Bertram A Wilson Improvements relating to suspension means for light diffusing devices, particularly for use in connection with fluorescent lighting
FR1581046A (en) * 1968-07-05 1969-09-12
DE2006780A1 (en) * 1970-02-14 1971-10-07 Fa Douglas Hunter, Rotterdam (Nie derlande) Retaining element for a wall or ceiling cladding designed as a set of structural elements
US4361996A (en) * 1979-12-20 1982-12-07 Levolor Lorentzen, Inc. Ceiling renovation system
EP0289169A2 (en) * 1987-04-28 1988-11-02 Hunter Douglas Industries B.V. Ceiling panel carrier adapter member
WO1991009186A1 (en) * 1989-12-13 1991-06-27 Williams, Booth & Stewart Ceiling system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008090579A2 (en) * 2007-01-24 2008-07-31 Antonio Guerrasio S.R.L. Suspended ceiling system using existing reversed t-bar ceiling supports
WO2008090579A3 (en) * 2007-01-24 2008-09-12 Antonio Guerrasio Suspended ceiling system using existing reversed t-bar ceiling supports
CN102454243A (en) * 2010-11-02 2012-05-16 北新集团建材股份有限公司 Damping ceiling system

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