EP1959068B1 - Device for renovating flat roofs - Google Patents

Device for renovating flat roofs Download PDF

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Publication number
EP1959068B1
EP1959068B1 EP07003415A EP07003415A EP1959068B1 EP 1959068 B1 EP1959068 B1 EP 1959068B1 EP 07003415 A EP07003415 A EP 07003415A EP 07003415 A EP07003415 A EP 07003415A EP 1959068 B1 EP1959068 B1 EP 1959068B1
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EP
European Patent Office
Prior art keywords
roof
flat roof
renovation
flat
attachment
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.)
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Application number
EP07003415A
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German (de)
French (fr)
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EP1959068A1 (en
Inventor
Michael Weinberg
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.)
Terra Consulting GmbH
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Terra Consulting GmbH
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Publication date
Application filed by Terra Consulting GmbH filed Critical Terra Consulting GmbH
Priority to EP07003415A priority Critical patent/EP1959068B1/en
Priority to DE200720004062 priority patent/DE202007004062U1/en
Priority to AT07003415T priority patent/ATE550504T1/en
Priority to US12/026,443 priority patent/US7866092B2/en
Publication of EP1959068A1 publication Critical patent/EP1959068A1/en
Application granted granted Critical
Publication of EP1959068B1 publication Critical patent/EP1959068B1/en
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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
    • E04B7/00—Roofs; Roof construction with regard to insulation
    • E04B7/02—Roofs; Roof construction with regard to insulation with plane sloping surfaces, e.g. saddle roofs
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B7/00—Roofs; Roof construction with regard to insulation
    • E04B7/14—Suspended roofs
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D11/00—Roof covering, as far as not restricted to features covered by only one of groups E04D1/00 - E04D9/00; Roof covering in ways not provided for by groups E04D1/00 - E04D9/00, e.g. built-up roofs, elevated load-supporting roof coverings
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G23/00—Working measures on existing buildings
    • E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G23/00—Working measures on existing buildings
    • E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
    • E04G23/0281—Repairing or restoring roofing or roof covering

Definitions

  • the present invention relates to a device for the renovation of a flat roof of at least partially preserving the old roof structure according to the preamble of claim 1.
  • the document DE 196 10 450 A1 proposes a method for the rehabilitation of a flat roof of a prefabricated reinforced concrete garage, in which purlins are placed on the flat roof, the
  • GB 2228024 A From the GB 2228024 A is a roof construction with a patch on an existing flat roof second roof known.
  • the patched second roof is attached to the construction of the flat roof on the carrier, with the components of the new roof structure are supported on the purlins of the old flat roof.
  • the roof panels are formed from conventional sheet metal elements.
  • GB 2228024 A discloses a device for refurbishing a flat roof of a building according to the preamble of claim 1.
  • the invention is therefore based on the object to provide a simple way flat roofs requiring rehabilitation with a second roof, which is easy to install and is inexpensive to produce.
  • the tensionable sheet material can be made in one or more parts and, for example, consist of two or more individual tensionable surface materials and be composed, for example, of two or more individual tensionable surface elements.
  • the tensionable sheet material it is possible to simple Provide mounting rails between the individual webs.
  • the waterproof attachment is very easy to implement due to the flexibility of the material and by simply inserting sealing elements in the mounting rails and makes handling particularly easy.
  • the flexible stretchable sheet material may be, for example, a textile or a plastic sheet.
  • the device for rehabilitation of a flat roof on a support device in particular in the form of a girder bridge or in the form of a lattice pipe bow to secure and support the roof structures of the old roof structure of the flat roof on holding elements and so z.
  • B. bring about a drying effect of the old roof structure and thus stabilize the roof construction.
  • further stabilization elements to the beams of the old roof structure via the retaining elements and to underlay the latter for example with a stable material such as a further wooden beam or a beam or the like made of reinforced concrete or steel posts.
  • a particularly space-saving embodiment of the present invention provides that the fastening device can be fixed for receiving loads, in particular via fastening struts on the building, in particular on the facade and / or the eaves of the building. In this case, no additional space for mounting and fixing the second roof in the horizontal direction is needed, since only takes place a structure in the vertical direction.
  • the attachment devices are height adjustable and / or rotatable. This makes a special flexible use possible. Also, on the one hand height differences of the existing flat roof can be compensated, on the other hand it is possible to set a slope or defined by simply adjusting the respective fastening devices in the second roof.
  • the Berest Trentsvomchtonne for receiving loads are embedded in the foundation of the building or fixed to an area of the building, which has sufficient stability such.
  • the load that is caused by the second roof can be easily derived in the foundation of the building, so that further stress on the possibly already attacked roof truss of the flat roof is avoided.
  • the fastening devices can also be formed freestanding by almost completely carried by further support elements of the force application point for the load of the second roof of the fastening device and introduced into the ground in the vicinity of the flat roof construction.
  • the holding elements can be formed by anchoring and / or by cable loops and / or by clamping and / or by any other conceivable possible known in the art fastening devices and in particular height-adjustable via screw connectors.
  • the support device itself can be fastened by means of screwing and / or welding either to the edge region of the building to be renovated or to the fastening devices and / or its supporting pillars.
  • the FIG. 1 shows a device 1 for the renovation of a flat roof 2 of a building 3.
  • the device 1 is placed on the building 3 while preserving the old roof structure 4 and has four fastening devices 5 and a tensionable sheet material, which is stretched over the old roof structure 4 and so on forms over the to be rehabilitated flat roof 2 spanned second roof 6.
  • the sheet material is formed here from a textile which is arranged over the four fastening devices on the flat roof 2 so that it completely covers the base of the flat roof 2.
  • the flexible tensionable sheet material 6 is formed from a plastic sheet.
  • the fastening devices 5 and 7 are rotatable in this embodiment, so that the assembly at the site in a position is possible, which does not correspond to the end position for clamping the second roof, but can be brought by simply turning the fasteners 5 in this.
  • a device 1 according to the invention is shown, the fastening devices 5 are fixed to receive loads on the building 3 here in particular on the facade of the building 3.
  • An equivalent solution is provided when the fastening devices 5 are fixed in or on the eaves of the building 3.
  • fastening devices 5 for receiving loads on mounting struts 8, for example, in the foundation 9 of the building 3 or less ailing outbuildings 10.
  • Such a way of forming the fastening devices 5 is in the left part of FIG. 1
  • the outbuilding 10 may be an existing building, but it may also be specially rebuilt to support the mounting struts 8 and / or fixtures 5 become.
  • a support device in the form of a as in FIG. 2 shown frame bridge 11 or a lattice pipe bow 12 according to the FIG. 3 intended. From the scaffold bridge 11 and the grid ear bow 12 holding elements 13a-13e are suspended, secure and support the roof structure 4 in particular its beam construction with known in the prior art mounting types, possible embodiments of the attachment are realized by anchor and by cable loops and terminals For fixing the beams of the old roof structure 4 to the framework bridge 11, the retaining element 13a-13e according to the FIG.
  • the Grewindestab 14 a is welded at its free end via a sleeve 16 with the frame bridge 11.
  • a screw is conceivable.
  • the threaded rod 14 b is provided at its opposite free end with a scissor clip, which surrounds the wooden beams 17 of the roof structure 4, which is further provided in this embodiment with an insulating layer 18.
  • the framework bridge 11, 12 can either be attached to the building 3, for example in the region of the outer walls or else to the fastening devices 5, 7 or attachment struts 8, in particular screwed or welded.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
  • Working Measures On Existing Buildindgs (AREA)
  • Tents Or Canopies (AREA)

Abstract

The device has three attachment devices (5, 7) for attaching a roof arranged over a flat roof (2) that is in need of renovation, where the roof made of a flexible, tensible surface material (6) e.g. textile or synthetic cover, is arranged by using the attachment devices over the flat roof such that the roof covers the area of the flat roof. The attachment devices are fixed onto a facade and/or eaves for bearing loads. The attachment devices are height-adjustable and/or pivotable in design.

Description

Die vorliegende Erfindung betrifft eine Vorrichtung zur Sanierung eines Flachdaches eines unter zumindest teilweise Erhaltung des alten Dachaufbaus nach dem Oberbegriff von Anspruch 1.The present invention relates to a device for the renovation of a flat roof of at least partially preserving the old roof structure according to the preamble of claim 1.

Derartiges Vorrichtungen sind allgemein bekannt und insbesondere in der Druckschrift DE 10 200 896 A1 beschrieben. Die Druckschrift DE 10 200 896 A1 offenbart ein Verfahren zur substanzerhaltenden Sanierung von durchfeuchteten Flachdächern, bei dem eine Wärmedämpflatte entweder direkt auf dem alten Dachaufbau verlegt wird oder vor der Verlegung die alte Abdeckungsschicht des alten Dachaufbaus entfernt wird. Die Wärmedämmplatten haben an ihrer Unterseite eine wasseraufsaugende bzw, -aufnehmende und auch wieder abgebende Beschichtung, durch die erreicht werden soll, dass das beschädigte Flachdach trockengelegt wird. Hierdurch werden mit einem Totalabriss verbundenen Kosten, wie die Kosten für einen Neuaufbau und Material, Kosten für die Entsorgung des alten Dachmaterials und der Wärmedämmschichten sowie weiterer Baustoffe, wie beispielsweise Polyurethan-Hartschaumstoffe und extrudiertes Polystyrol vermindert bzw. gänzlich verbindert. Allerdings ist die in diesem Dokument offenbarte Wärmedämmplatte ebenfalls sehr teuer und aufwendig in der Herstellung.Such devices are well known and especially in the document DE 10 200 896 A1 described. The publication DE 10 200 896 A1 discloses a process for the substance-sustaining rehabilitation of moistened flat roofs, in which a thermal insulation mat is laid either directly on the old roof structure or before laying the old cover layer of the old roof structure is removed. The thermal insulation panels have on their underside a water-absorbing or -aufnehmende and also releasing coating, by which it should be ensured that the damaged flat roof is drained. As a result, costs associated with a total demolition, such as the cost of a rebuild and material, costs for the disposal of the old roofing material and the thermal barrier coatings and other building materials, such as rigid polyurethane foams and extruded polystyrene reduced or completely prevented. However, the heat insulation board disclosed in this document is also very expensive and expensive to manufacture.

Das Dokument DE 196 10 450 A1 schlägt ein Verfahren zur Sanierung eines Flachdaches einer Stahlbetonfertiggarage vor, bei dem Pfetten auf dem Flachdach angeordnet werden, dieThe document DE 196 10 450 A1 proposes a method for the rehabilitation of a flat roof of a prefabricated reinforced concrete garage, in which purlins are placed on the flat roof, the

Pfettenfüsse aufweisen, mit denen die Pfetten an in das sanierungsbedürftige Flachdach befestigt werden. Auf die Pfetten wird ein Stahlblech-Zweitdach aufgesetzt, welches das Flachdach mit einem Überstand abgedeckt. Der Transport dieser Zweitdächer z. B. auf Baustellen ist aufgrund der recht großen Abmaße bei größeren Gebäuden sehr aufwendig und teuer und somit nicht zweckmäßig. Auch die Montage so großer Einzelbauteile ist aufgrund der Sperrigkeit und ihres Gewichts sehr schwierig.Have purlin feet, with which the purlins are attached to the flat roof requiring rehabilitation. On the purlins, a second sheet steel roof is placed, which covered the flat roof with a supernatant. The transport of these second roofs z. B. on construction sites is very complicated and expensive and therefore not appropriate due to the fairly large dimensions of larger buildings. The assembly of such large individual components is very difficult due to the bulkiness and their weight.

Bei mehrteiligen derart ausgebildeten Flachdächern besteht häufig das Problem von Undichtigkeiten an den Übergangsstellen. Eine Reparatur der undichten Stellen mit den üblichen Maßnahmen, z.B. Vergießen mit Bitumen oder dergleichen ist aufwendig und oft wenig erfolgreich.In multi-part flat roofs thus formed, there is often the problem of leaks at the crossing points. A repair of the leaks with the usual measures, e.g. Potting with bitumen or the like is complicated and often unsuccessful.

Aus der GB 2228024 A ist eine Dachkonstruktion mit einem auf ein existierendes Flachdach aufgesetzten Zweitdach bekannt. Dabei ist das aufgesetzte Zweitdach über Träger an der Konstruktion des Flachdaches befestigt, wobei sich die Bauteile des neuen Dachaufbaus auf den Pfetten des alten Flachdaches abstützen. Die Dachplatten sind dabei aus herkömmlichen Blechelementen gebildet. GB 2228024 A offenbart eine Vorrichtung zur Sanierung eines Flachdaches eines Gebäudes gemäß dem Oberbegriff des Anspruchs 1.From the GB 2228024 A is a roof construction with a patch on an existing flat roof second roof known. The patched second roof is attached to the construction of the flat roof on the carrier, with the components of the new roof structure are supported on the purlins of the old flat roof. The roof panels are formed from conventional sheet metal elements. GB 2228024 A discloses a device for refurbishing a flat roof of a building according to the preamble of claim 1.

Der Erfindung liegt daher die Aufgabe zu Grunde, auf einfache Weise sanierungsbedürftige Flachdächer mit einem Zweitdach zu versehen, welches einfach zu montieren ist und möglichst kostengünstig herstellbar ist.The invention is therefore based on the object to provide a simple way flat roofs requiring rehabilitation with a second roof, which is easy to install and is inexpensive to produce.

Diese Aufgabe wird bei einer Vorrichtung des eingangs genannten Art durch die kennzeichnenden Merkmale von Anspruch 1 gelöst.This object is achieved in a device of the type mentioned by the characterizing features of claim 1.

Durch die Verwendung eines flexiblen spannbaren Flächenmaterials ist es möglich, das Zweitdach zum Transport oder auch nach der Demontage des Daches einfach zusammenzurollen oder zusammenzufalten. Dabei kann das spannbare Flächenmaterial ein-oder auch mehrteilig ausgeführt sein und beispielsweise aus zwei oder mehreren einzelnen spannbaren Flächenmaterialien bestehen und beispielsweise aus zwei oder mehreren einzelnen spannbaren Flächenelementen zusammengesetzt sein. Um eine Undichtigkeit bei zugesammengesetzten Flächenmaterialien zu gewährleisten, ist es möglich, einfache Befestigungsschienen zwischen den einzelnen Materialbahnen vorzusehen. Die wasserdichte Befestigung ist aufgrund der Flexibilität des Materials und durch einfaches Einsetzen von Dichtungselementen in den Befestigungsschienen sehr einfach zu realisieren und macht eine Handhabung besonders einfach. Das flexible spannbare Flächenmaterial kann beispielsweise ein Textil oder eine Kunststoffplane sein.By using a flexible tensionable sheet material, it is possible to simply roll up or fold the second roof for transport or even after disassembly of the roof. In this case, the tensionable sheet material can be made in one or more parts and, for example, consist of two or more individual tensionable surface materials and be composed, for example, of two or more individual tensionable surface elements. In order to ensure a leak in zusammengesammengesetzten surface materials, it is possible to simple Provide mounting rails between the individual webs. The waterproof attachment is very easy to implement due to the flexibility of the material and by simply inserting sealing elements in the mounting rails and makes handling particularly easy. The flexible stretchable sheet material may be, for example, a textile or a plastic sheet.

Gemäß der vorliegenden Erfindung weist die Vorrichtung zur Sanierung eines Flachdaches eine Stützvorrichtung insbesondere in der Form einer Gerüstbrücke oder in der Form eines Gitterrohrbogens auf, um über Halteelemente die Dachkonstruktionen des alten Dachaufbaus des Flachdaches zu sichern und abzustützen und so z. B. einen Trocknungseffekt des alten Dachaufbaus und somit eine Stabilisierung der Dachkonstruktion herbeizuführen. Es ist auch möglich, über die Halteelemente weitere Stabilisierungselemente an die Balken der alten Dachkonstruktion anzubringen und letztere beispielsweise mit einem stabilen Material wie einem weiteren Holzbalken oder einem Balken o. ä aus Stahlbeton oder Stahlpfosten zu unterlegen.According to the present invention, the device for rehabilitation of a flat roof on a support device in particular in the form of a girder bridge or in the form of a lattice pipe bow to secure and support the roof structures of the old roof structure of the flat roof on holding elements and so z. B. bring about a drying effect of the old roof structure and thus stabilize the roof construction. It is also possible to attach further stabilization elements to the beams of the old roof structure via the retaining elements and to underlay the latter for example with a stable material such as a further wooden beam or a beam or the like made of reinforced concrete or steel posts.

Eine besonders raumsparende Ausführungsform der vorliegenden Erfindung sieht vor, dass die Befestigungsvorrichtung zur Aufnahme von Lasten insbesondere über Befestigungsstreben an dem Gebäude insbesondere an der Fassade und/oder der Traufe des Gebäudes fixierbar sind. In diesem Falle wird kein zusätzlicher Bauraum zur Montage und Fixierung des Zweitdaches in horizontaler Richtung benötigt, da lediglich ein Aufbau in vertikaler Richtung stattfindet.A particularly space-saving embodiment of the present invention provides that the fastening device can be fixed for receiving loads, in particular via fastening struts on the building, in particular on the facade and / or the eaves of the building. In this case, no additional space for mounting and fixing the second roof in the horizontal direction is needed, since only takes place a structure in the vertical direction.

In einem Ausführungsbeispiel der vorliegenden Erfindung sind die Befestigungsvonichtungen höhenverstellbar und/oder drehbar ausgeführt. Dies macht eine besondere flexible Einsetzbarkeit möglich. Auch können zum einen Höhenunterschiede des bestehenden Flachdaches ausgeglichen werden, zum Anderen ist es möglich, eine Schräge bzw. definiert durch einfaches Verstellen der jeweiligen Befestigungsvorrichtungen bei dem Zweitdach eingestellt werden.In one embodiment of the present invention, the attachment devices are height adjustable and / or rotatable. This makes a special flexible use possible. Also, on the one hand height differences of the existing flat roof can be compensated, on the other hand it is possible to set a slope or defined by simply adjusting the respective fastening devices in the second roof.

In einem weiteren Ausführungsbeispiel sind die Berestigungsvomchtungen zur Aufnahme von Lasten in das Fundament des Gebäudes eingelassen oder an einem Bereich des Gebäudes fixiert, der eine ausreichende Stabilität aufweist wie z. B. ein Nebengebäude oder das entweder bereits vorhanden ist oder dafür neben dem Flachdachgebäude errichtet werden kann. Dadurch kann die Last, die durch das Zweitdach hervorgerufen wird, auf einfache Weise in das Fundament des Gebäudes abgeleitet werden, so dass eine weitere Belastung des ggf. schon angegriffenen Dachstuhls des Flachdaches vermieden wird.In another embodiment, the Berestigungsvomchtungen for receiving loads are embedded in the foundation of the building or fixed to an area of the building, which has sufficient stability such. B. an outbuilding or that either already exists or can be built next to the flat roof building. As a result, the load that is caused by the second roof can be easily derived in the foundation of the building, so that further stress on the possibly already attacked roof truss of the flat roof is avoided.

Alternativ können die Befestigungsvorrichtungen auch freistehend ausgebildet sein, indem über weitere Tragelemente der Krafteinleitungspunkt für die Last des Zweitdaches nahezu vollständig von der Befestigungsvorrichtung getragen und in den Boden in der Umgebung des Flachdachbaus eingeleitet wird.Alternatively, the fastening devices can also be formed freestanding by almost completely carried by further support elements of the force application point for the load of the second roof of the fastening device and introduced into the ground in the vicinity of the flat roof construction.

Die Halteelemente können durch Anker- und/oder durch Seilschlaufen und/oder durch Klemmen und/oder durch alle weiteren denkbaren möglichen im Stand der Technik bekannten Befestigungsvorrichtungen gebildet und insbesondere über Schraubverbinder höhenverstellbar ausgeführt sein.The holding elements can be formed by anchoring and / or by cable loops and / or by clamping and / or by any other conceivable possible known in the art fastening devices and in particular height-adjustable via screw connectors.

Die Stützvorrichtung an sich kann mittels Verschraubens und/oder Verschweißens entweder an dem Randbereich des zu sanierenden Gebäudes oder an die Befestigungsvorrichtungen und/oder deren Stützpfeiler befestigt werden.The support device itself can be fastened by means of screwing and / or welding either to the edge region of the building to be renovated or to the fastening devices and / or its supporting pillars.

Hinsichtlich weiterer vorteilhafter Ausgestaltungen und Weiterbildungen der Erfindung wird auf die Unteransprüche sowie die nachfolgende Beschreibung eines Ausftihrungsbeispiels anhand der beiliegenden Zeichnungen verwiesen. Es zeigen:

Figur 1
eine schematische Darstellung eines Querschnitt durch ein Gebäude mit einem Flachdach auf dem ein erfindungsgemäßes Zweitdach angeordnet ist;
Figur 2
eine erfindungsgemäße Stützvorrichtung in Form eines Gitterrohrbogens;
Figur 3
eine erfindungsgemäße Stützvorrichtung in der Form eines Stützbalkens, an dem verschiedene Ausführungsformen von Haltevorrichtungen zur Stützung des Balkenwerks der alten Dachkonstruktion gezeigt sind;
Figur 4
eine schematische Darstellung einer Haltevorrichtung gemäß Figur 3.
With regard to further advantageous embodiments and modifications of the invention, reference is made to the dependent claims and the following description of a Ausftihrungsbeispiels reference to the accompanying drawings. Show it:
FIG. 1
a schematic representation of a cross section through a building with a flat roof on which a second roof according to the invention is arranged;
FIG. 2
a support device according to the invention in the form of a lattice tube sheet;
FIG. 3
a supporting device according to the invention in the form of a support beam, on which various embodiments of holding devices for supporting the beams of the old roof structure are shown;
FIG. 4
a schematic representation of a holding device according to FIG. 3 ,

Die Figur 1 zeigt eine Vorrichtung 1 zur Sanierung eines Flachdaches 2 eines Gebäudes 3. Die Vorrichtung 1 ist auf das Gebäude 3 unter Erhaltung des alten Dachaufbaus 4 aufgesetzt und weist vier Befestigungsvorrichtungen 5 sowie ein spannbares Flächenmaterial auf, welches über den alten Dachaufbau 4 gespannt ist und so ein über das zu sanierenden Flachdach 2 aufgespanntes Zweitdach 6 bildet. Das Flächenmaterial ist hier aus einem Textil gebildet, welches über die vier Befestigungsvorrichtungen so über dem Flachdach 2 angeordnet ist, dass es die Grundfläche des Flachdaches 2 vollständig überdeckt. In einem weiteren Ausführungsbeispiel ist das flexible spannbare Flächenmaterial 6 aus einer Kunststoffplane gebildet. Natürlich ist es auch möglich, das Flächenmaterial und die Befestigungsvomchtungen 5 so auszubilden, dass das Flächenmaterial im aufgespannten Zustand über das Flachdach 2 hinausragt.The FIG. 1 shows a device 1 for the renovation of a flat roof 2 of a building 3. The device 1 is placed on the building 3 while preserving the old roof structure 4 and has four fastening devices 5 and a tensionable sheet material, which is stretched over the old roof structure 4 and so on forms over the to be rehabilitated flat roof 2 spanned second roof 6. The sheet material is formed here from a textile which is arranged over the four fastening devices on the flat roof 2 so that it completely covers the base of the flat roof 2. In a further embodiment, the flexible tensionable sheet material 6 is formed from a plastic sheet. Of course, it is also possible to form the sheet material and the Befestigungsvomchtungen 5 so that the sheet material protrudes in the clamped state over the flat roof 2.

Um eine Abschrägung bzw, eine definierte Neigung des Zweitdaches 6 zu erreichen, und so ein einfacheres Abführen von Regen oder Schmutz zu gewährleisten, sind in diesem Ausführungsbeispiel weitere Befestigungsvomichtungen 7 mittig auf dem Flachdach 2 angeordnet, die eine größere Höhe aufweisen als die übrigen in den Eckbereichen der Grundfläche des Flachdaches 2 angeordneten Befestigungsvorrichtungen 5. Die Befestigungsvorrichtungen 5 und 7 sind im Aufbau identisch. Durch ihre Höhenverstellbarkeit ist es möglich, für die Flachdachsanierung zur Reduzierung der Teilevielfalt Gleichteile zu verwenden und diese lediglich entsprechend des vorgesehenen Einsatzbereiches in ihrer Höhe zu verstellen und anzupassen.In order to achieve a chamfer or, a defined inclination of the second roof 6, and thus to ensure a simpler discharge of rain or dirt, in this embodiment further Befestigungsvomichtungen 7 are arranged centrally on the flat roof 2, which have a greater height than the rest in the Corner areas of the base of the flat roof 2 arranged fastening devices 5. Die Fastening devices 5 and 7 are identical in construction. Due to their height adjustment, it is possible to use for the flat roof renovation to reduce the variety of parts identical parts and to adjust only in accordance with the intended application area in height and adjust.

Um die Befestigungsvorrichtungen 5 auch an schwer zugänglichen Stellen montieren zu können, sind in diesem Ausführungsbeispiel die Befestigungsvorrichtungen 5 und 7 drehbar ausgeführt, so dass die Montage an dem Einsatzort auch in einer Position möglich ist, die nicht der Endposition zur Einspannung des Zweitdaches entspricht, sondern durch einfaches Drehen der Befestigungsvorrichtungen 5 in diese gebracht werden können. Im rechten Teil der Figur 1 ist eine erfindungsgemäße Vorrichtung 1 gezeigt, deren Befestigungsvorrichtungen 5 zur Aufnahme von Lasten an dem Gebäude 3 hier insbesondere an der Fassade des Gebäudes 3 fixiert sind. Eine äquivalente Lösung bietet sich, wenn die Befestigungsvorrichtungen 5 in bzw. an der Traufe des Gebäudes 3 fixiert wird.In order to mount the fasteners 5 in hard to reach places, the fastening devices 5 and 7 are rotatable in this embodiment, so that the assembly at the site in a position is possible, which does not correspond to the end position for clamping the second roof, but can be brought by simply turning the fasteners 5 in this. In the right part of the FIG. 1 a device 1 according to the invention is shown, the fastening devices 5 are fixed to receive loads on the building 3 here in particular on the facade of the building 3. An equivalent solution is provided when the fastening devices 5 are fixed in or on the eaves of the building 3.

Bei maroden Gebäuden, denen eine zusätzliche Last nicht zugemutet werden soll, ist es möglich und auch sinnvoll, die Befestigungsvorrichtungen 5 zur Aufnahme von Lasten über Befestigungsstreben 8 beispielsweise im Fundament 9 des Gebäudes 3 oder auf weniger maroden Nebengebäuden 10 zu fixieren. Eine solche Art der Ausbildung der Befestigungsvorrichtungen 5 ist im linken Teil der Figur 1 gezeigt, Es ist erkennbar, dass die Befestigungsstreben 8 entweder auf dem Nebengebäude 10 befestigbar sind oder im Bodenbereich außerhalb des Gebäudekomplexes 3. Das Nebengebäude 10 kann ein bereits vorhandenes Gebäude sein, es kann jedoch auch zur Abstützung der Befestigungsstreben8 und/oder Befestigungsvorrichtungen5 extra neu aufgebaut werden.In dilapidated buildings, where an additional load should not be expected, it is possible and also useful to fix the fastening devices 5 for receiving loads on mounting struts 8, for example, in the foundation 9 of the building 3 or less ailing outbuildings 10. Such a way of forming the fastening devices 5 is in the left part of FIG. 1 It can be seen that the fastening struts 8 are attachable either to the outbuilding 10 or to the floor area outside the building complex 3. The outbuilding 10 may be an existing building, but it may also be specially rebuilt to support the mounting struts 8 and / or fixtures 5 become.

Im Falle der Fixierung der Befestigungsstreben 8 im Boden außerhalb des Gebäudekomplexes 3 ist der Zusammenbau der Befestigungsvorrichtung 5, 7 freistehend ausgebildet, so dass die Last des Zweitdaches 6 nahezu vollständig und ausschließlich von den Befestigungsvorrichtungen 5, 7 selbst getragen wird.In the case of fixing the mounting struts 8 in the ground outside of the building complex 3, the assembly of the fastening device 5, 7 is formed freestanding, so that the Last of the second roof 6 almost completely and exclusively by the fastening devices 5, 7 itself is worn.

Um den alten Dachaufbau 4 erhalten zu können und insbesondere ein eventuell drohendes Einstürzen des alten Dachaufbaus 4 des Flachdaches 2 zu verhindern, ist in einem Ausfühfungsbeispiel der vorliegenden Erfindung eine Stützvorrichtung in der Form einer wie in der Figur 2 gezeigten Gerüstbrücke 11 oder eines Gitterrohrbogens 12 gemäß der Figur 3 vorgesehen. Von der Gerüstbrücke 11 bzw. dem Gitterohrbogen 12 sind Haltelemente 13a-13e abgehängt, die mit in dem Stand der Technik bekannten Befestigungsarten den Dachaufbau 4 insbesondere dessen Balkenkonstruktion sichern und abstützen, Mögliche Ausführungen der Befestigung sind durch Anker- und durch Seilschlaufen sowie durch Klemmen verwirklicht, Zur Befestigung der Balken des alten Dachaufbaus 4 an der Gerüstbrücke 11 weist das Halteelement 13a-13e gemäß der Figur 4 zwei Gewindestäbe 14a, 14 b auf, die über einen Schraubverbinder 15 in ihrer Gesamtlänge verstellbar sind. Der Grewindestab 14 a ist an seinem freien Ende über eine Manschette 16 mit der Gerüstbrücke 11 verschweißt. Natürlich ist alternativ auch eine Verschraubung denkbar. Der Gewindestab 14 b ist an seinem gegenüberliegenden freien Ende mit einer Scherenklammer versehen, die den Holzbalken 17 des Dachaufbaus 4, der in diesem Ausführungsbeispiel ferner mit einer Dämmschicht 18 versehen ist, umgreift.In order to obtain the old roof structure 4 and in particular to prevent a possible collapse of the old roof structure 4 of the flat roof 2, in a Ausfühfungsbeispiel of the present invention, a support device in the form of a as in FIG. 2 shown frame bridge 11 or a lattice pipe bow 12 according to the FIG. 3 intended. From the scaffold bridge 11 and the grid ear bow 12 holding elements 13a-13e are suspended, secure and support the roof structure 4 in particular its beam construction with known in the prior art mounting types, possible embodiments of the attachment are realized by anchor and by cable loops and terminals For fixing the beams of the old roof structure 4 to the framework bridge 11, the retaining element 13a-13e according to the FIG. 4 two threaded rods 14a, 14b, which are adjustable via a screw 15 in their total length. The Grewindestab 14 a is welded at its free end via a sleeve 16 with the frame bridge 11. Of course, alternatively, a screw is conceivable. The threaded rod 14 b is provided at its opposite free end with a scissor clip, which surrounds the wooden beams 17 of the roof structure 4, which is further provided in this embodiment with an insulating layer 18.

Die Gerüstbrücke 11, 12 kann entweder am Gebäude 3 beispielsweise im Bereich der Außenwandungen oder aber auch an der Befestigungsvorrichtungen 5, 7oder Befestigungsstreben 8 befestigt, insbesondere verschraubt oder verschweißt sein.The framework bridge 11, 12 can either be attached to the building 3, for example in the region of the outer walls or else to the fastening devices 5, 7 or attachment struts 8, in particular screwed or welded.

Claims (10)

  1. A device (1) for the renovation of a flat roof (2) of a building (3), while at least partially maintaining the old roof structure (4), wherein the device comprises a roof (6), which in its mounted condition above the flat roof (2) to be renovated, serves as a second roof, and at least three attachment devices (5, 7) for attaching the second roof (6) disposed over the flat roof (2) being renovated, characterised in that the second roof (6) is made of a flexible, tensible surface material which is disposed by means of the at least three attachment devices (5, 7) over the flat roof (2) such that it covers the area of the flat roof (2), and that it comprises a support device in order to secure and support the roof structure (4) of the old flat roof (2) by means of holding elements (13a-13e).
  2. The device (1) for the renovation of a flat roof (2) according to claim 1, characterised in that the flexible, tensible surface material is a textile or a synthetic cover.
  3. The device (1) for the renovation of a flat roof (2) according to any of the preceding claims, characterised in that the attachment devices (5, 7) for bearing loads can be fixed onto the building (3), and in particular onto the façade and/or the eaves.
  4. The device (1) for the renovation of a flat roof (2) according to claim 3, characterised in that the attachment devices (5, 7) are height-adjustable and/or pivotable in design.
  5. The device (1) for the renovation of a flat roof (2) according to claim 1 or 2, characterised in that the attachment devices (5, 7) for bearing loads can be fixed by means of attachment struts (8) in the foundations of the building (3).
  6. The device (1) for the renovation of a flat roof (2) according to claim 1 or 2, characterised in that the attachment device (5, 7) is free-standing in design so that the load of the second roof (6) is almost totally supported by the attachment device (5, 7) itself.
  7. The device (1) for the renovation of a flat roof (2) according to any of the preceding claims, characterised in that the supporting device is in the form of staging (11) or an arched tube lattice (12).
  8. The device (1) for the renovation of a flat roof (2) according to any of the preceding claims, characterised in that the holding elements (13a-13e) are in the form of anchoring and/or cable straps and/or clamps.
  9. The apparatus (1) for the renovation of a flat roof (2) according to claim 8, characterised in that the holding elements (13a-13e) are height-adjustable, in particular by means of screw connectors (15).
  10. The device (1) for the renovation of a flat roof (2) according to any of the preceding claims, characterised in that the attachment of the support device (11, 12) is implemented by means of screwing and/or welding.
EP07003415A 2007-02-19 2007-02-19 Device for renovating flat roofs Active EP1959068B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP07003415A EP1959068B1 (en) 2007-02-19 2007-02-19 Device for renovating flat roofs
DE200720004062 DE202007004062U1 (en) 2007-02-19 2007-02-19 Reorganization device e.g. for flat roofs, has partly preserved old roof system and three mounting devices for attachment to arranged secondary flat roof and flat roof
AT07003415T ATE550504T1 (en) 2007-02-19 2007-02-19 DEVICE FOR RENOVATION OF FLAT ROOFS
US12/026,443 US7866092B2 (en) 2007-02-19 2008-02-05 Device for the renovation of flat roofs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07003415A EP1959068B1 (en) 2007-02-19 2007-02-19 Device for renovating flat roofs

Publications (2)

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EP1959068A1 EP1959068A1 (en) 2008-08-20
EP1959068B1 true EP1959068B1 (en) 2012-03-21

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EP07003415A Active EP1959068B1 (en) 2007-02-19 2007-02-19 Device for renovating flat roofs

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US (1) US7866092B2 (en)
EP (1) EP1959068B1 (en)
AT (1) ATE550504T1 (en)

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US10072416B2 (en) 2014-03-14 2018-09-11 Scott F. Armbrust Tubular joist structures and assemblies and methods of using
CN105584796A (en) * 2014-10-23 2016-05-18 上海宝冶集团有限公司 Conveying device and method for overlong contour plate in perpendicular direction
CA3178396A1 (en) * 2022-02-14 2023-08-14 Kyle Marsh Temporary building enclosure
CN115182610A (en) * 2022-07-14 2022-10-14 上海民航新时代机场设计研究院有限公司 Earthquake-resistant wall reinforced structure
CN117947974B (en) * 2024-03-26 2024-06-25 中国建筑设计研究院有限公司 Prestress reinforced wood roof truss

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Also Published As

Publication number Publication date
EP1959068A1 (en) 2008-08-20
US7866092B2 (en) 2011-01-11
ATE550504T1 (en) 2012-04-15
US20080196320A1 (en) 2008-08-21

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