EP0515591B1 - Connector for roofing components - Google Patents
Connector for roofing components Download PDFInfo
- Publication number
- EP0515591B1 EP0515591B1 EP91918958A EP91918958A EP0515591B1 EP 0515591 B1 EP0515591 B1 EP 0515591B1 EP 91918958 A EP91918958 A EP 91918958A EP 91918958 A EP91918958 A EP 91918958A EP 0515591 B1 EP0515591 B1 EP 0515591B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- joint
- connection according
- cover layer
- roof
- tongue
- 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
- 239000006260 foam Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims 8
- 238000007789 sealing Methods 0.000 claims 6
- 229910000831 Steel Inorganic materials 0.000 claims 5
- 239000010959 steel Substances 0.000 claims 5
- 239000000853 adhesive Substances 0.000 claims 1
- 230000001070 adhesive effect Effects 0.000 claims 1
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 229920002635 polyurethane Polymers 0.000 claims 1
- 239000004814 polyurethane Substances 0.000 claims 1
- 239000002184 metal Substances 0.000 abstract description 6
- 239000011324 bead Substances 0.000 abstract description 5
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 230000007704 transition Effects 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 3
- 238000007373 indentation Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000002984 plastic foam Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000012858 resilient material Substances 0.000 description 1
Images
Classifications
-
- 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
- E04D3/35—Roofing slabs or stiff sheets comprising two or more layers, e.g. for insulation
- E04D3/351—Roofing slabs or stiff sheets comprising two or more layers, e.g. for insulation at least one of the layers being composed of insulating material, e.g. fibre or foam material
- E04D3/352—Roofing slabs or stiff sheets comprising two or more layers, e.g. for insulation at least one of the layers being composed of insulating material, e.g. fibre or foam material at least one insulating layer being located between non-insulating layers, e.g. double skin slabs or sheets
-
- 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
- E04D3/36—Connecting; Fastening
- E04D3/366—Connecting; Fastening by closing the space between the slabs or sheets by gutters, bulges, or bridging elements, e.g. strips
-
- 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
- E04D3/38—Devices for sealing spaces or joints between roof-covering elements
Definitions
- the invention relates to a connection at the longitudinal joint of profiled roof elements according to the preamble of claim 1.
- This bend has the disadvantage that the roof elements cannot be easily pushed horizontally against one another on their support during assembly. Rather, they must be guided diagonally downwards from above. Such a movement is very difficult with the roof element, which is usually over 10 m long, hanging on a crane and can only be carried out with many helpers and aids. If the sloping downward area of the covering sheet metal is only bent down after assembly, this is difficult to carry out over the long length. Irregularities are visually disruptive and the paint is often damaged.
- EP-A-0 051 351 there is also an element which can be used for roofing, in particular shown in FIG. 16, which can be brought into the mounting position by pushing horizontally against one another, so that the mounting is relatively easy to carry out.
- This element has the disadvantage that the upper metallic surface boundaries of the plates to be joined butt directly against one another, so that only minor manufacturing errors can be permitted and the connection can be compensated for. This makes the production extremely expensive. Due to the fact that the foam does not always expand with the same volume increase during curing, this can never be carried out with narrow tolerances. The connection is also not mountable if one of the edges is only slightly bent during transport.
- Another disadvantage is that, in order to maintain closer tolerances, the elements within the entire joint are closed off by fixed boundaries, the installation of which is expensive and which, as thermal bridges, have a negative influence, which also leads to condensation with regard to air humidity and, as a result, to corrosion and premature Wear leads. It is the object of the invention to avoid these disadvantages, to create an easy-to-assemble connection which can be produced with extremely large tolerances, which is very tight, has a heat transfer value which is not higher in the joint area than in the rest of the element and which is also extremely easy to do is to be installed and where the joint is only so slightly visible on the inside that it does not interfere with the appearance.
- the manufacturing tolerances of the roof elements can be chosen larger the wider the resilient seal between the elements is chosen.
- a very wide, only one porous Foam existing seal has the disadvantage that the water vapor in the room air diffuses through it and then condenses when it comes into colder outer areas of the seal. Cold areas start around the middle of the seal and extend to the outer boundary of the roof element. In winter, the resulting condensation can cause the entire seal to fill with water like a wet sponge.
- a vapor diffusion barrier is installed in such a way that the joint on the inside is closed off by tongue-like projections which are nested one above the other and which are themselves covered by the metallic cover layer, which is known to be impermeable to water vapor.
- the tongue-like projections do not interfere with the assembly, since they are arranged one above the other at a short distance in height. Their front boundaries slide over one another to the extent that the roof elements compress the seal in a resilient manner during assembly. Due to the difference in height, there is normally a gap between the tongue-like projections between the upper side of the lower projection and the lower side of the upper projection. Through this gap, water vapor can still diffuse towards the seal, albeit to a very small extent that is not harmful to practice. This gap normally disappears completely when the screw for fastening the roof elements is tightened, because then the pressure of the entire roof element in the joint area compresses somewhat in terms of its thickness.
- This type of diffusion barrier is also effective when there is only a tongue-like projection that covers the wide seal.
- the overlap is particularly good when the tongue-like projection protrudes into an indentation on the other roof element and the degree of protrusion compensates for the deflection of the thick seal and manufacturing inaccuracies.
- the invention is explained using the example of an inclined upward joint. It can also be used for vertical joints. In the case of vertical joints, it is appropriate if one or two fastening screws run vertically next to the joint outside the area of the elastic seal through the roof elements.
- Inclined joints have the advantage that the hole for the fastening screw runs largely outside the seal and can be drilled there more easily than in the strongly resilient seal.
- the hole for the fastening screw which must be drilled on the roof at the construction site, can be drilled particularly easily if it starts in the gap at the top, passes vertically through the easily drilled foam of the roof element 1 and below in the gap that the indentation one element 1 forms with the tongue-like projection of the other element 2, passes.
- a recessed groove in the form of a bead is formed in the sheet above the gap.
- the highly elastic seal located between the roof elements can also, contrary to the seal shown in the figures, consist of several, e.g. B. consist of two parts.
- the seal may be missing entirely or consist of a plastic foam that is not highly elastic, but is easily compressible.
- thermal insulation materials are particularly inexpensive.
- the disadvantage that a narrow gap can form in this case because of the low elasticity is irrelevant in terms of thermal insulation, since no significant convection of the air is formed in the narrow gap. If the cheap less elastic plastic foam is sealed, then the joint is sufficiently sealed.
- the grooves for snapping the cover covering the joint area are somewhat higher than the level of the upper metallic cover layer, so that this does not occur even when there is little rainfall get wet, which significantly extends the durability of the roof element.
- the invention is explained in more detail using an exemplary embodiment. 1 to 3, the individual steps of the assembly are shown.
- the right side of the connection is shown from the roof element 1 and the left side of the connection is shown from the roof element 2.
- the roof elements 1 and 2 are first placed on the rafters or other fastening beams or beams. With roof elements over 10 m long, this is usually done with a crane.
- the roof elements 1 and 2 deposited in this way are in accordance with FIG. 1 with a space between them. It is then, for. B. moved by an assistant, the roof element 1 to the roof element 2 or vice versa, so that both roof elements, as shown in Fig. 2, touch.
- the made of a very soft, resilient material, e.g. B. foam, existing seal 3 is pressed much more strongly in the lower area than in the upper area.
- the two roof elements 1 and 2 are connected by a screw connection. For this purpose, the plate 4 is pressed down by the screw 5.
- the sheet 4 has obliquely downward side parts 6 and 7, these are pressed against obliquely upward extending parts 8, 9 of the metallic cover layer 10. Due to the oblique design of the support surfaces, the roof elements 1 and 2 are pressed even more firmly against one another and the seal 3 is also pressed together somewhat more strongly.
- the joint and the screw connection are protected against rainwater by the cover 11.
- the cover 11 hooks resiliently into a bead 12 for its attachment. In strong winds, raindrops can also be driven through the joint 13 to the screw connection. It is therefore important that the joint 13 is sealed by a likewise highly elastic seal 26. This seal can be attached at any point in the joint. It is particularly advantageous if the seal 26 on the upper part the joint is attached. In the example in FIG.
- the seal 26 also serves as thermal insulation for the cover 11.
- the parts 15 and 16 which project upwards are also in the metallic cover layer near the edge of the roof elements 10 molded. It is very important that the troughs 17 and 18 are located between the upstanding parts. In the event that z. B. the seal 26 was damaged during transport, water penetrated is discharged through the troughs, which have a slope according to the roof pitch after installation. It is advantageous if the upwardly projecting parts 15 and 16 project beyond the parts 8 and 9. This protrusion is not necessary if the cover 11 is slightly curved to achieve the necessary height for the screw head.
- the hole for the screw 5 is only drilled when the roof elements 1 and 2 have been placed, as shown in FIG. 2.
- the foam core 19 of the foam can be easily drilled through. It is advantageous that the screw 5 passes through the gap 21 which is formed by the tongue-like projection 22 and the indentation 23. So that the drill finds this location more easily, the sikke 24 is molded into the lower metallic cover layer 20.
- the majority of the joint 25 is directly delimited by the foam core 19. It is easier to glue the seal 3 to the foam core 19 if the joint is straight and level.
- the seal 3 is poorly suited for drilling through, so it is advantageous if the joint 25 extends obliquely upwards.
- the seal 3 can also be completely absent in the upper region of the joint 25, so that it does not need to be drilled through.
- the seal 3 does not need to be compressed in the upper area, it serves only for thermal insulation there and is only intended to prevent air convection, while in the lower area the strongly compressed seal is also intended to largely prevent vapor diffusion.
- Small beads 27 are advantageously molded into the lower metallic cover layer 20 for reinforcement. These beads run at an angle of 90 ° on the connection or on the connection Add 25. This stiffening causes the forces required to compress the seal 3 to be conducted in its lower region.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
- Joining Of Building Structures In Genera (AREA)
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
- Residential Or Office Buildings (AREA)
- Spinning Or Twisting Of Yarns (AREA)
- Load-Engaging Elements For Cranes (AREA)
- Flanged Joints, Insulating Joints, And Other Joints (AREA)
- Connection Of Plates (AREA)
- Tents Or Canopies (AREA)
- Hybrid Cells (AREA)
Abstract
Description
Die Erfindung betrifft eine Verbindung am Längsstoß von an der Oberfläche profilierten Dachelementen entsprechend dem Oberbegriff des Anspruches 1.The invention relates to a connection at the longitudinal joint of profiled roof elements according to the preamble of claim 1.
Es ist bekannt (z.B. aus der EP-A-0 143 159), die Verbindung und damit die Fuge innerhalb eines aufragenden Profils zu legen und die obere metallische Deckschicht des einen Dachelementes so auszubilden, daß diese das Profil des anderen Dachelementes überdeckt, wobei im überlappenden Bereich beide Deckschichten durch Schrauben miteinander verbunden werden, und die Dachelemente durch zusätzliche Schrauben mit der Tragkonstruktion verbunden sind. Damit durch die zwischen den überlappenden Deckblechen bestehende Fuge kein Regenwasser eindringt, ist das überdeckende Deckblech kurz vor seiner Seitenkante schräg nach unten abgebogen.It is known (for example from EP-A-0 143 159) to place the connection and thus the joint within an upstanding profile and to form the upper metallic cover layer of one roof element so that it covers the profile of the other roof element, in which overlapping area, both cover layers are connected to each other by screws, and the roof elements are connected to the supporting structure by additional screws. To prevent rainwater from penetrating through the joint between the overlapping cover plates, the covering cover plate is bent diagonally downwards shortly before its side edge.
Durch diese Abbiegung entsteht der Nachteil, daß die Dachelemente beim Montieren nicht einfach auf ihrer Auflage ausreichend waagerecht gegeneinander geschoben werden können. Sie müssen vielmehr von oben kommend schräg nach unten geführt werden. Eine solche Bewegung ist bei dem meist über 10 m langen an einem Kran hängenden Dachelement nur sehr schwer und nur mit vielen Helfern und Hilfsmitteln durchführbar. Falls beim überdeckenden Deckblech der schräg nach unten weisende Bereich erst nach der Montage nach unten gebogen wird, so ist dies auf der großen Länge nur schwer durchführbar. Ungleichmäßigkeiten sind optisch störend sichtbar und es wird auch häufig der Lack beschädigt. Es dringt trotz des schräg nach unten weisenden Bereichs oft noch Regenwasser in die Verbindung ein, weil die Regentropfen bei starkem Wind auch nach oben getrieben werden und eingeklebte zusätzliche Dichtungen manchmal nicht ausreichend wirken, weil die an sich dünnen Bleche der Dachelemente beim Transport und bei der Montage zu sehr verbogen werden. Ein weiterer Nachteil besteht darin, daß die Befestigungsschrauben der Witterung ausgesetzt sind und an diesen leicht Undichtigkeiten entstehen.This bend has the disadvantage that the roof elements cannot be easily pushed horizontally against one another on their support during assembly. Rather, they must be guided diagonally downwards from above. Such a movement is very difficult with the roof element, which is usually over 10 m long, hanging on a crane and can only be carried out with many helpers and aids. If the sloping downward area of the covering sheet metal is only bent down after assembly, this is difficult to carry out over the long length. Irregularities are visually disruptive and the paint is often damaged. Despite the obliquely downward-pointing area, rainwater often still penetrates the connection, because the rain drops are also driven upwards in strong winds and glued-in additional seals sometimes do not work adequately, because the thin sheets of the roof elements during transport and transportation Assembly to be bent too much. A a further disadvantage is that the fastening screws are exposed to the weather and leakages easily occur there.
Aus der EP-A-0 051 351 ist auch ein zur Dacheindeckung verwendbares Element, insbesondere in Fig. 16 gezeigt, das durch waagerechtes Gegeneinanderschieben in die Montagelage zu bringen ist, so daß die Montage relativ leicht auszuführen ist. Bei diesem Element ist von Nachteil, daß die oberen metallischen Oberflächenbegrenzungen der zu verbindenden Platten stumpf, direkt gegeneinander stoßen, so daß nur geringe Fertigungsfehler zugelassen und in der Verbindung ausgeglichen werden können. Das verteuert die Fertigung außerordentlich. Diese kann durch den nicht immer mit genau der gleichen Volumenvergrößerung beim Aushärten aufblähenden Schaum niemals mit engen Toleranzen ausgeführt werden. Die Verbindung ist auch nicht montierbar, wenn beim Transport eine der Kanten nur geringfügig verbogen wird. Ein weiterer Nachteil besteht darin, daß zur Einhaltung engerer Toleranzen die Elemente innerhalb der gesamten Fuge durch feste Begrenzungen abgeschlossen werden, deren Einbau teuer ist und die als Wärmebrücken einen negativen Einfluß ausüben, was auch zu Kondensationserscheinungen bezüglich der Luftfeuchtigkeit und als Folge zu Korrosion und vorzeitigem Verschleiß führt. Es ist die Aufgabe der Erfindung, diese Nachteile zu vermeiden, eine mit extrem großen Toleranzen herstellbare, leicht zu montierende Verbindung zu schaffen, die sehr dicht ist, einen Wärmedurchgangswert hat der im Fugenbereich nicht höher als im übrigen Element ist und die ebenfalls extrem leicht zu montieren ist und bei der an der Innenseite die Fuge nur so gering sichtbar ist, daß sie optisch nicht stört.From EP-A-0 051 351 there is also an element which can be used for roofing, in particular shown in FIG. 16, which can be brought into the mounting position by pushing horizontally against one another, so that the mounting is relatively easy to carry out. This element has the disadvantage that the upper metallic surface boundaries of the plates to be joined butt directly against one another, so that only minor manufacturing errors can be permitted and the connection can be compensated for. This makes the production extremely expensive. Due to the fact that the foam does not always expand with the same volume increase during curing, this can never be carried out with narrow tolerances. The connection is also not mountable if one of the edges is only slightly bent during transport. Another disadvantage is that, in order to maintain closer tolerances, the elements within the entire joint are closed off by fixed boundaries, the installation of which is expensive and which, as thermal bridges, have a negative influence, which also leads to condensation with regard to air humidity and, as a result, to corrosion and premature Wear leads. It is the object of the invention to avoid these disadvantages, to create an easy-to-assemble connection which can be produced with extremely large tolerances, which is very tight, has a heat transfer value which is not higher in the joint area than in the rest of the element and which is also extremely easy to do is to be installed and where the joint is only so slightly visible on the inside that it does not interfere with the appearance.
Diese Aufgabe wird entsprechend dem Kennzeichen des Anspruches 1 gelöst, Weiterbildungen sind in den Unteransprüchen 2 bis 18 beschrieben.This object is achieved in accordance with the characterizing part of claim 1, further developments are described in
Die Fertigungstoleranzen der Dachelemente können um so größer gewählt werden, je breiter die federnde Dichtung zwischen den Elementen gewählt wird. Eine sehr breite, nur aus einem porigen Schaumstoff bestehende Dichtung hat den Nachteil, daß der in der Raumluft befindliche Wasserdampf durch diese hindurch diffundiert und dann, wenn er in kältere Außenbereiche der Dichtung kommt, kondensiert. Kalte Bereiche fangen etwa von der Mitte der Dichtung an und ziehen sich bis zur äußeren Begrenzung des Dachelementes hin. Im Winter kann das so entstehende Kondenswasser dazu führen, daß die gesamte Dichtung sich mit Wasser wie ein nasser Schwamm füllt. Um dies zu vermeiden, ist eine Dampfdiffusionssperre in der Weise eingebaut, daß die Fuge an der Innenseite durch übereinander verschachtelte zungenartige Vorsprünge abgeschlossen wird, die selbst von der metallischen Deckschicht überzogen sind, die bekanntlich undurchlässig für Wasserdampf ist. Die zungenartigen Vorsprünge stören bei der Montage nicht, da sie übereinander mit geringem Abstand in der Höhe angeordnet sind. Ihre vorderen Begrenzungen gleiten übereinander in dem Maße, in dem die Dachelemente die Dichtung beim Zusammenbau federnd zusammendrücken. Durch den Höhenunterschied ist zwischen den zungenartigen Vorsprüngen normalerweise ein Spalt zwischen der oberen Seite des unteren Vorsprunges und der unteren Seite des oberen Vorsprunges vorhanden. Durch diesen Spalt kann noch, wenn auch in ganz geringem für die Praxis unschädlichem Maße, Wasserdampf in Richtung zur Dichtung diffundieren. Dieser Spalt verschwindet normalerweise ganz, wenn die Schraube zum Befestigen der Dachelemente angezogen wird, weil dann durch den Druck das gesamte Dachelement im Fugenbereich bezüglich seiner Dicke etwas einfedert.The manufacturing tolerances of the roof elements can be chosen larger the wider the resilient seal between the elements is chosen. A very wide, only one porous Foam existing seal has the disadvantage that the water vapor in the room air diffuses through it and then condenses when it comes into colder outer areas of the seal. Cold areas start around the middle of the seal and extend to the outer boundary of the roof element. In winter, the resulting condensation can cause the entire seal to fill with water like a wet sponge. To avoid this, a vapor diffusion barrier is installed in such a way that the joint on the inside is closed off by tongue-like projections which are nested one above the other and which are themselves covered by the metallic cover layer, which is known to be impermeable to water vapor. The tongue-like projections do not interfere with the assembly, since they are arranged one above the other at a short distance in height. Their front boundaries slide over one another to the extent that the roof elements compress the seal in a resilient manner during assembly. Due to the difference in height, there is normally a gap between the tongue-like projections between the upper side of the lower projection and the lower side of the upper projection. Through this gap, water vapor can still diffuse towards the seal, albeit to a very small extent that is not harmful to practice. This gap normally disappears completely when the screw for fastening the roof elements is tightened, because then the pressure of the entire roof element in the joint area compresses somewhat in terms of its thickness.
Diese Art der Diffusionssperre ist auch wirksam, wenn nur ein zungenartiger Vorsprung vorhanden ist, der die breite Dichtung überdeckt. Die Überdeckung ist dann besonders gut, wenn der zungenartige Vorsprung in eine Einbuchtung am anderen Dachelement hineinragt und durch den Grad des Hineinragens die Einfederung der dicken Dichtung und Fertigungsungenauigkeiten ausgeglichen wird.This type of diffusion barrier is also effective when there is only a tongue-like projection that covers the wide seal. The overlap is particularly good when the tongue-like projection protrudes into an indentation on the other roof element and the degree of protrusion compensates for the deflection of the thick seal and manufacturing inaccuracies.
Die Erfindung ist am Beispiel einer schräg nach oben verlaufenden Fuge erklärt. Sie ist auch bei senkrechten Fugen anwendbar. Bei senkrechten Fugen ist es angebracht, wenn eine oder zwei Befestigungsschrauben senkrecht neben der Fuge außerhalb des Bereiches der elastischen Dichtung durch die Dachelemente verlaufen.The invention is explained using the example of an inclined upward joint. It can also be used for vertical joints. In the case of vertical joints, it is appropriate if one or two fastening screws run vertically next to the joint outside the area of the elastic seal through the roof elements.
Schräg verlaufende Fugen haben den Vorteil, daß das Loch für die Befestigungsschraube weitgehend außerhalb der Dichtung verläuft und sich dort leichter als in der stark federnden Dichtung bohren läßt.Inclined joints have the advantage that the hole for the fastening screw runs largely outside the seal and can be drilled there more easily than in the strongly resilient seal.
Das Loch für die Befestigungsschraube, das auf dem Dach an der Baustelle gebohrt werden muß, läßt sich besonders leicht bohren, wenn es oben im spalt beginnt, senkrecht durch den leicht zu bohrenden Schaum des Dachelementes 1 hindurchgeht und unten in der Lücke, die die Einbuchtung des einen Elementes 1 mit dem zungenartigen Vorsprung des anderen Elementes 2 bildet, hindurchgeht. Zum leichteren Treffen der Lücke mit dem Bohrer ist im Blech oberhalb der Lücke eine vertiefte Rinne in Form einer Sicke eingeformt.The hole for the fastening screw, which must be drilled on the roof at the construction site, can be drilled particularly easily if it starts in the gap at the top, passes vertically through the easily drilled foam of the roof element 1 and below in the gap that the indentation one element 1 forms with the tongue-like projection of the
Die zwischen den Dachelementen liegende hochelastische Dichtung kann auch entgegen der in den Figuren gezeichneten Dichtung aus mehreren, z. B. zwei Teilen bestehen.The highly elastic seal located between the roof elements can also, contrary to the seal shown in the figures, consist of several, e.g. B. consist of two parts.
Es kann im oberen Bereich die Dichtung ganz fehlen oder aus einem Kunststoffschaum bestehen, der nicht hoch elastisch, aber leicht komprimierbar ist. Solche wärmedämmenden Materialien sind besonders preiswert. Der Nachteil, das sich in diesem Fall ein schmaler Spalt wegen der nur geringen Elastizität bilden kann, ist in Bezug auf die Wärmedämmerung ohne Bedeutung, da in dem schmalen Spalt sich keine nennenswerte Konvektion der Luft ausbildet. Wenn der billige weniger elastische Kunststoffschaum abgedichtet sind, dann ist die Fuge ausreichend abgedichtet.In the upper area, the seal may be missing entirely or consist of a plastic foam that is not highly elastic, but is easily compressible. Such thermal insulation materials are particularly inexpensive. The disadvantage that a narrow gap can form in this case because of the low elasticity is irrelevant in terms of thermal insulation, since no significant convection of the air is formed in the narrow gap. If the cheap less elastic plastic foam is sealed, then the joint is sufficiently sealed.
Die Nuten zum einrasten der den Fugenbereich überdeckenden Abdeckung liegen etwas höher als die Ebene der oberen metallischen Deckschicht, so daß diese nicht schon bei geringen Regenfällen naß werden, wodurch die Haltbarkeit des Dachelementes erheblich verlängert wird.The grooves for snapping the cover covering the joint area are somewhat higher than the level of the upper metallic cover layer, so that this does not occur even when there is little rainfall get wet, which significantly extends the durability of the roof element.
Die Erfindung wird an einem Ausführungsbeispiel näher erläutert. In den Fig. 1 bis 3 sind die einzelnen Schritte des Zusammenbaues dargestellt. Vom Dachelement 1 ist die rechte an der Verbindung liegende Seite und vom Dachelement 2 ist die linke an der Verbindung liegende Seite dargestellt. Die Dachelemente 1 und 2 werden zunächst auf den Dachsparren oder sonstigen Befestigungsbalken oder Trägern abgelegt. Bei über 10 m langen Dachelementen geschieht dies meist mit einem Kran. Die so abgelegten Dachelemente 1 und 2 liegen entsprechend der Fig. 1 mit einem Zwischenraum zueinander. Es wird anschließend, z. B. durch eine Hilfskraft, das Dachelement 1 zum Dachelement 2 oder auch umgekehrt verschoben, so daß sich beide Dachelemente, wie in der Fig. 2 dargestellt, berühren. Die aus einem sehr weichen federnd elastischem Material, z. B. Schaumstoff, bestehende Dichtung 3 wird dabei im unteren Bereich wesentlich stärker als im oberen Bereich eingedrückt. Die beiden Dachelemente 1 und 2 werden durch eine Schraubverbindung miteinader verbunden. Zu diesem Zweck wird das Blech 4 durch die Schraube 5 nach unten gedrückt.The invention is explained in more detail using an exemplary embodiment. 1 to 3, the individual steps of the assembly are shown. The right side of the connection is shown from the roof element 1 and the left side of the connection is shown from the
Das Blech 4 besitzt schräg nach unten verlaufende Seitenteile 6 und 7, diese werden an schräg nach oben verlaufende Teile 8, 9 der metallischen Deckschicht 10 angepreßt. Durch die schräge Ausführung der Auflageflächen werden die Dachelemente 1 und 2 noch fester gegeneinander gepreßt und es wird auch die Dichtung 3 etwas stärker zusammengepreßt. Die Fuge und die Schraubverbindung werden durch die Abdeckung 11 gegen Regenwasser geschützt. Die Abdeckung 11 hakt zu ihrer Befestigung federnd in eine Sicke 12 ein. Bei starkem Wind können auch Regentropfen durch die Fuge 13 zur Schraubverbindung hingetrieben werden. Es ist deshalb wichtig, daß die Fuge 13 durch eine ebenfalls stark elastische Dichtung 26 abgedichtet ist. Diese Dichtung kann an sich an einer beliebigen Stelle der Fuge angebracht sein. Es ist besonders vorteilhaft, wenn die Dichtung 26 am oberen Teil der Fuge angebracht ist. Im Beispiel der Fig. 3 dient die Dichtung 26 gleichzeitig als Wärmeisolation für die Abdeckung 11. Zusätzlich zu den schräg nach oben verlaufenden Teilen 8 und 9 sind in der Nähe des Randes der Dachelemente noch die nach oben ragenden Teile 15 und 16 in die metallische Deckschicht 10 eingeformt. Es ist sehr wichtig, daß zwischen den aufragenden Teilen sich die Mulden 17 und 18 befinden. Für den Fall, daß z. B. die Dichtung 26 beim Transport beschädigt wurde, wird eingedrungenes Wasser durch die Mulden abgeführt, die entsprechend der Dachneigung nach dem Einbau ein Gefälle besitzen. Es ist von Vorteil, wenn die nach oben ragenden Teile 15 und 16 die Teile 8 und 9 überragen. Dieses Überragen ist nicht erforderlich, wenn die Abdeckung 11 etwas gewölbt ausgeführt ist, um die notwendige Höhe für den Schraubenkopf zu erreichen. Das Loch für die Schraube 5 wird erst gebohrt, wenn die Dachelemente 1 und 2, entsprechend der Fig. 2, gelegt worden sind. Der Schaumstoffkern 19 des Schaumes läßt sich leicht durchbohren. Es ist vorteilhaft, daß die Schraube 5 durch die Lücke 21 hindurchgeht, die vom zungenartigen Vorsprung 22 und der Einbuchtung 23 gebildet wird. Damit der Bohrer diese Stelle leichter findet, ist in der unteren metallischen Deckschicht 20 die Sikke 24 eingeformt. Der größte Teil der Fuge 25 wird vom Schaumstoffkern 19 direkt begrenzt. Es läßt sich die Dichtung 3 leichter am Schaumstoffkern 19 ankleben, wenn die Fuge geradlinig und eben verläuft. Die Dichtung 3 ist zum Durchbohren nur schlecht geeignet, deshalb ist es vorteilhaft, wenn die Fuge 25 schräg nach oben verläuft. Die Dichtung 3 kann auch im oberen Bereich der Fuge 25 ganz fehlen, so daß durch diese nicht gebohrt werden braucht. Die Dichtung 3 braucht im oberen Bereich nicht zusammengedrückt werden, sie dient dort nur zur reinen Wärmeisolation und soll nur eine Luftkonvektion verhindern, im unteren Bereich soll dagegen die stark zusammengedrückte Dichtung auch weitgehend eine Dampfdiffusion verhindern.The
In die untere metallische Deckschicht 20 werden vorteilhaft kleine Sicken 27 zur Versteifung eingeformt. Diese Sicken laufen unter einem Winkel von 90° auf die Verbindung bzw. auf deren Fuge 25 zu. Diese Versteifung bewirkt, daß die zum Zusammenpressen der Dichtung 3 erforderlichen Kräfte in deren unteren Bereich geleitet werden.
Claims (18)
- A connection on the longitudinal joint of roof elements (1 and 2) which are profiled on the surface and which comprise two metallic cover layers (10 and 20), which are held at a distance by means of a foamed material core, wherein the joint between the two roof elements extends within an upwardly projecting profile and the joint is sealed by a sealing means (3) and below this profile on one roof element (1), the lower cover layer forms a recess (23) just in front of the joint and the lower cover layer (20) formed as a tongue-type projection (22) of the other roof element (2) engages the recess (23) and the joint is defined by the foamed material cores by way of the largest part of the thickness of the roof element and the upper metallic layers (10) are connected to each other in the region of the joint by means of a screw connection (5), which comprises a steel plate (4) which overlaps the joint and which has on the longitudinal sides diagonally downwards extending lateral parts and the one lateral part on one roof element (1) covers a diagonally upwards extending part (8) of the metallic cover layer (10) and the other lateral part on the other roof element (2) likewise covers a diagonally upwards extending part (9) of the metallic cover layer (10) and the overlapping steel plate (4) is pressed against the parts (8, 9) of the roof elements (1, 2) by means of a screw (5) which is firmly screwed against the load-bearing structure and which penetrates almost perpendicularly through the roof element (1) and while forming in each case a depression (17, 18) adjacent to the side, remote from the joint, of the diagonally upwards running part (8, 9) of the metallic cover layer (10), a likewise upwardly projecting second part (15, 16) is formed in the metallic cover layer (10) and in the transitional region of the said second part (15, 16) towards the lower boom a corrugation (12) is formed into which the cover (11) covering the joint can hook, characterised in that the joint is filled at least up to 60% of its height with a sealing means (3) which comprises in the cross section width highly elastic foamed material and this sealing means (3) is defined in the cross section by means of a tongue-type projection (22) of the lower cover layer (20), the projection (22) being fitted on one side of the joint to a roof element (2), wherein the tongue-type recess protrudes with its tip into a recess on the other roof element (1), wherein the extent to which the tip of the projection (22) protrudes into the recess varies depending on the compression of the highly elastic sealing means (3) and furthermore that a compensating gap is provided between the parts, of the associated roof elements (1, 2), which are engaged by the over-lapping steel plate (4).
- A connection according to claim 1, characterised in that the compensating gap is filled with an easily compressible foamed material seal.
- A connection according to claims 1 and 2, characterised in that the width of the resilient sealing means (3) in the direction transverse to the joint amounts to more than 25% of the dimension of the overlapping steel plate (4).
- A connection according to claims to 1 to 3, characterised in that a projection (22) at the lower metallic cover layer (20) is provided on each of the connected roof elements (1, 2) on both sides of the joint at a slightly staggered height and furthermore that these projections are provided slightly spaced in height from each other or also touching each other, partially nesting over each other.
- A connection according to claims 1 to 4, characterised in that the roof element (1) has in the region of the joint on the side with the tongue-type projection lying slightly higher, the recess (23) of the lower cover layer (20), into which the tongue-type projection (22) of the roof element (2) lying opposite the joint completely or partially protrudes when the connection is assembled.
- A connection according to claims 1 to 5, characterised in that the lower side of the one tongue-type projection (22) lies at the same height as the lower side of the elements (1, 2) and forms an alignment with the surfaces of the elements (1, 2).
- A connection according to claims 1 to 6, characterised in that the joint runs diagonally upwards from the boundary, on the side towards the joint, of the higher tongue-type projection (22), wherein the inclination is directed approximately away from the front side of the tongue-type projection to the inside of the roof element associated with the projection.
- A connection according to claims 1 to 7, characterised in that the screw (5) which penetrates the over-lapping steel plate (4) extends perpendicular and in the region of the upper cover layer sits in the centre of the joint.
- A connection according to claims 1 to 8, characterised in that there is a height difference between the end edge of the upper metallic cover layer (10) ending in the region of the joint and the end edge of the lower metallic cover layer (20) and the said height difference corresponds to at least the smallest height difference of the cover layers in the remaining regions of the roof elements.
- A connection according to claims 1 to 9, characterised in that the lowest points of the depressions (17, 18) in comparison to the surface formed by the larger region of the upper cover layer (10) lie at the same height of or higher than this surface.
- A connection according to claims 1 to 10, characterised in that the highly elastic sealing means (3) is adhered by means of an adhesive or the insulating foam to a side of the roof element.
- A connection according to claims 1 to 11, characterised in that the covering cover (11) is attached in grooves (12), which lie slightly higher than the adjacent surfaces of the upper cover layers.
- A connection according to claims 1 to 12, characterised in that an extremely resilient compressible seal (26) is adhered to the lower side of the covering cover (11) and the said extremely resilient compressible seal (26) covers the upper parts of the upwardly protruding second parts (15, 16).
- A connection according to claims 1 to 13, characterised in that in the lower region of the joint, the seal (3) lying between the roof elements is additionally considerably compressed in the cross section by means of one or more projections towards the downwards defined tongue-type projection.
- A connection according to claims 1 to 14, characterised in that for the purpose of attaching the roof elements (1, 2), the screw (5) extends through the centre between the parts (8 and 9) which extend diagonally upwards.
- A connection according to claims 1 to 15, characterised in that the seal (3) is divided within the joint and at least in the lower half of the joint comprises a highly elastic, easily compressible foamed material and the layer lying above this comprises only easily compressible foamed material.
- A connection according to claims 1 to 16, characterised in that the highly elastic foamed material of the seal comprises impregnated polyurethane high-resilient foam or equivalent material.
- A connection according to claims 1 to 17, characterised in that a corrugation (24) is formed in the region of the recess (23) for the purpose of guiding the drill.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4035059 | 1990-11-05 | ||
| DE4035059 | 1990-11-05 | ||
| PCT/DE1991/000842 WO1992008020A1 (en) | 1990-11-05 | 1991-10-26 | Connector for roofing components |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0515591A1 EP0515591A1 (en) | 1992-12-02 |
| EP0515591B1 true EP0515591B1 (en) | 1995-05-03 |
Family
ID=6417623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP91918958A Expired - Lifetime EP0515591B1 (en) | 1990-11-05 | 1991-10-26 | Connector for roofing components |
Country Status (13)
| Country | Link |
|---|---|
| EP (1) | EP0515591B1 (en) |
| AT (1) | ATE122121T1 (en) |
| CZ (1) | CZ281141B6 (en) |
| DE (2) | DE59105396D1 (en) |
| ES (1) | ES2066749T3 (en) |
| FI (1) | FI95956C (en) |
| GE (1) | GEP19981366B (en) |
| HU (1) | HU216184B (en) |
| NO (1) | NO301897B1 (en) |
| PL (1) | PL171289B1 (en) |
| SK (1) | SK278674B6 (en) |
| WO (1) | WO1992008020A1 (en) |
| YU (1) | YU174391A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19947436A1 (en) * | 1999-10-02 | 2001-05-03 | Thyssenkrupp Stahl Ag | Longitudinal butt connection of roof elements fastened to a substructure and designed as sandwich elements |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2297824B (en) * | 1995-02-13 | 1998-08-19 | Kingspan Res & Dev Ltd | A panel |
| GB2345705B (en) * | 1999-01-13 | 2003-06-18 | Talfab Holdings Ltd | Improvements in or relating to panels |
| GB9911704D0 (en) * | 1999-05-21 | 1999-07-21 | Gradient Insulations Uk Ltd | Constructional element and constructional element systems |
| WO2004009929A1 (en) * | 2002-07-19 | 2004-01-29 | Metecno Spa | Insulating panel with outer reinforcing sections |
| EP1619320B1 (en) | 2004-07-21 | 2009-03-18 | Fischer Profil GmbH | Roof covering element |
| ITMI20120467A1 (en) * | 2012-03-26 | 2013-09-27 | Esintec Srl | IMPROVED STAPLER OR GASKET FOR PREFABRICATED ROOF PANELS AND ROOFS. |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0051351A2 (en) * | 1980-10-08 | 1982-05-12 | Perfil En Frio S.A. | A panel joining system |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2600792A1 (en) * | 1976-01-10 | 1977-07-14 | Hoesch Werke Ag | Metal and plastic foam composite building panel - with Z-shaped finish to tongue and groove configuration beneath cover sheet (NL 12.7.77) |
| GB1595180A (en) * | 1978-05-16 | 1981-08-12 | Cape Universal Claddings | Insulating composite roof deck and wall panels |
| ATE17601T1 (en) * | 1980-10-08 | 1986-02-15 | Perfil En Frio Sa | PLATE CONNECTION. |
| IT1172845B (en) * | 1983-11-04 | 1987-06-18 | Metecno Spa | DEEP GROUND SANDWICH PANEL PROVIDED WITH OVERLAP GUINTO WITH ADJACENT PANELS AND PROCEDURE FOR ITS MANUFACTURE |
| EP0164952A3 (en) * | 1984-06-05 | 1986-09-24 | Sealheat Flat Roofing Company Limited | Composite panel, manufacture thereof and use thereof in cladding a roof or wall of a building |
| DE3447330A1 (en) * | 1984-12-24 | 1986-07-10 | Hoesch Ag, 4600 Dortmund | WALL OR ROOF ELEMENT MADE OF A FOAM CORE AND METAL COVER LAYERS |
| DE3572704D1 (en) * | 1985-04-19 | 1989-10-05 | Perfil En Frio Sa | A joint in prefabricated insulated panels |
| DE3819141A1 (en) * | 1988-06-04 | 1989-12-07 | Hoesch Stahl Ag | NUT-SPRING CONNECTION OF WALL OR ROOF ELEMENTS |
| DE8908704U1 (en) * | 1988-12-13 | 1989-10-12 | Klein, Hartmut, 4830 Gütersloh | Composite element for construction purposes |
-
1991
- 1991-10-25 PL PL91292171A patent/PL171289B1/en not_active IP Right Cessation
- 1991-10-26 ES ES91918958T patent/ES2066749T3/en not_active Expired - Lifetime
- 1991-10-26 DE DE59105396T patent/DE59105396D1/en not_active Expired - Lifetime
- 1991-10-26 EP EP91918958A patent/EP0515591B1/en not_active Expired - Lifetime
- 1991-10-26 AT AT91918958T patent/ATE122121T1/en not_active IP Right Cessation
- 1991-10-26 WO PCT/DE1991/000842 patent/WO1992008020A1/en active IP Right Grant
- 1991-10-26 HU HUP9201916A patent/HU216184B/en unknown
- 1991-10-31 DE DE4135891A patent/DE4135891C2/en not_active Expired - Fee Related
- 1991-11-01 YU YU174391A patent/YU174391A/en unknown
- 1991-11-05 SK SK3346-91A patent/SK278674B6/en unknown
- 1991-11-05 CZ CS913346A patent/CZ281141B6/en not_active IP Right Cessation
-
1992
- 1992-05-29 FI FI922470A patent/FI95956C/en not_active IP Right Cessation
- 1992-06-30 NO NO922582A patent/NO301897B1/en unknown
-
1993
- 1993-08-13 GE GEAP19931431A patent/GEP19981366B/en unknown
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0051351A2 (en) * | 1980-10-08 | 1982-05-12 | Perfil En Frio S.A. | A panel joining system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19947436A1 (en) * | 1999-10-02 | 2001-05-03 | Thyssenkrupp Stahl Ag | Longitudinal butt connection of roof elements fastened to a substructure and designed as sandwich elements |
Also Published As
| Publication number | Publication date |
|---|---|
| FI922470A0 (en) | 1992-05-29 |
| DE4135891C2 (en) | 1994-10-27 |
| DE59105396D1 (en) | 1995-06-08 |
| YU174391A (en) | 1995-03-27 |
| EP0515591A1 (en) | 1992-12-02 |
| HU9201916D0 (en) | 1992-10-28 |
| CZ281141B6 (en) | 1996-06-12 |
| NO301897B1 (en) | 1997-12-22 |
| PL292171A1 (en) | 1992-06-26 |
| HUT61065A (en) | 1992-11-30 |
| ES2066749T1 (en) | 1995-03-16 |
| NO922582D0 (en) | 1992-06-30 |
| HU216184B (en) | 1999-04-28 |
| CZ334691A3 (en) | 1993-05-12 |
| FI922470A (en) | 1992-05-29 |
| DE4135891A1 (en) | 1992-05-07 |
| FI95956B (en) | 1995-12-29 |
| GEP19981366B (en) | 1998-08-25 |
| PL171289B1 (en) | 1997-03-28 |
| NO922582L (en) | 1992-06-30 |
| FI95956C (en) | 1996-04-10 |
| SK334691A3 (en) | 1994-07-06 |
| WO1992008020A1 (en) | 1992-05-14 |
| SK278674B6 (en) | 1997-12-10 |
| ES2066749T3 (en) | 1995-07-16 |
| ATE122121T1 (en) | 1995-05-15 |
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