EP0121101B1 - Roof structure for covering - Google Patents

Abstract

1. Roofing means for roofing a given surface, particularly for forecourts, conservatories, pergolas or house entrances, with a grid-like support structure, industrially prefabricated beams (10, 11, 12) matched to given girder field dimensions are provided which rest on vertical supports or wall brackets, the beams (10, 11, 12) are constructed as bonded beams or girders having two symmetrically arranged sheet steel profiles (15, 16), between which are arranged L and T-shaped connecting plates (19), at least in the vicinity of intersections, the sheet steel profiles (15, 16) and connecting plates (19) being screwed together by means of assembly screws (20, 21), characterized in that the connecting plates (19) are made from light metal and that the sheet steel profiles (15, 16) have angular edge regions in the upper part of the beam (10, 11, 12) forming a substantially V-shaped groove, into which project the edges of dome-shaped roof membrane elements (22), which in each case cover a grid field (13).

Description

The invention relates to a roofing arrangement for roofing over a predefinable area, in particular for forecourts, winter gardens, pergolas or house entrances according to the preamble of claim 1.

Such a roofing arrangement is known from FR-A-1 281 098. However, it can be regarded as a disadvantage in this known roofing arrangement that no guide devices for the roof elements to be applied, in particular in the case of dome-shaped roof elements, are present in the corresponding grid dimension. As a result, a considerable amount of assembly and alignment work is required for the production of the complete roof arrangement.

Based on this prior art, the invention is therefore based on the object of providing a generic roofing arrangement with a relatively simple alignment option for the roof elements to be fastened thereon, and a considerable reduction in the assembly effort with flexible adaptation options should also be possible.

This object is achieved in a roof arrangement according to the preamble of claim 1 by the features of the characterizing part.

This has the particular advantage that the roof skin elements to be applied can be placed relatively easily and without major alignment in the essentially V-shaped channel with its edges, so that the creation of the entire roofing arrangement in a relatively short time and in an economical manner can be completed at the construction site.

A preferred embodiment of the arrangement according to the invention provides that base girders are provided which have a length which corresponds to the edge length of a lattice field, wherein at least one base girder and a crossbeam running at right angles meet in each lattice corner point.

Furthermore, it can preferably be provided that double base beams are provided which overlap two grid fields and which have a notch at the upper edge in their central region, for an intersection or for a T-shaped connection of a cross beam extending transversely to the base beam.

The use of base supports and double base supports further adapts to individually desired dimensions. It has been shown that a horizontal, self-supporting, lattice-like support structure can be created with a grid dimension of 300 mm, and that from completely prefabricated components, which can be adapted to practically all dimensional requirements.

A particularly advantageous possibility for producing the notch results from the fact that the steel sheet profile for producing the notch has a keyway serving as a predetermined breaking line or an elongated hole.

Here, an arrangement has proven itself that provides that the keyway is located in the lower part of the angled area to form the V-shaped channel.

The V-shaped gutter proves to be very well suited for removing rainwater and is created according to an advantageous further development of the subject matter of the invention that the angled edge region to form the V-shaped gutter is angled by an angle of approximately 45 degrees with respect to a vertically arranged main carrier surface is.

Both the bending stiffness and the buckling strength of the beams are influenced particularly favorably in that the steel sheet profile of the beam in its lower region has an angled region to one side, which is angled in the same direction as the upper edge region, and that the lower edge of the angled area is bent in the opposite direction to the said bend in such a way that a bulge and an essentially perpendicular to the main beam lower flange is formed, the edge of which is arranged in the plane defined by the main beam surface.

It can preferably be provided that the steel sheet profiles are cold-formed profile parts.

The light metal connecting plates arranged between the steel sheet profiles can of course also be designed as extruded profiles or as cast parts without leaving the scope of the invention. The material information set out in the present description also serves primarily to illustrate the subject matter of the invention, and other materials with sufficient strength can also be used within the scope of the invention.

In practice, an arrangement has proven itself which is characterized in that the steel sheet profile has a total height of approximately 180 mm, of which the upper angled edge region is approximately 30 mm, the main carrier surface is approximately 100 mm and the lower angled region is approximately Take 50 mm.

It can be provided that the steel sheet profile has a sheet thickness of about 2.5 mm.

A very advantageous further development of the subject matter of the invention is further characterized in that the steel sheet profile in the main carrier surface arranged vertically in the installed state has horizontally extending elongated holes in the upper half of each of which are arranged at grid intervals.

The elongated holes fulfill an advantageous double function because, on the one hand, they serve for holding clips for roof skin elements to engage in these elongated holes, while the further function of these elongated holes can be seen in the fact that they greatly simplify the release of the double base beams. To produce a notch, it is only necessary to make an incision transversely from above at the two ends of an elongated hole from the edge of the carrier to the elongated hole in order to produce the desired notch.

Furthermore, according to a particularly advantageous embodiment of the subject matter of the invention, it can be provided that the steel sheet profile on the main carrier surface and on the lower flange at a distance from one another, which corresponds to a predeterminable fraction of the grid dimension, have rows of punchings.

An advantageous embodiment further provides that two rows of punchings are provided on the main carrier surface, which mark the bores for the connecting screws and the cutting lengths for the carriers.

The markings serve on the one hand as a unit of measurement for cutting the beams to length and on the other hand for creating the drilling pattern without a drilling template for the beam connections.

In a manner similar to the elongated holes, the keyways provided in the longitudinal direction of the carriers in an alternative embodiment are used to form the notches. This is because a portion of the carrier can simply be broken out after sawing in the direction transverse to the keyway from the edge of the carrier to the keyway.

For stiffening the beams, it can also be preferably provided that the connecting plates have the shape of an inverted "T" in cross-section, the transverse legs of which are arranged within the bulge and are screwed to the horizontal lower flange.

In order to join base supports or double base supports with their ends to each other, a particularly advantageous embodiment of the subject matter of the invention provides that between the ends of base supports or double base supports a cross-knot element is arranged, which consists of a one-piece, cross-beam-shaped light metal body equipped with fork-like double flanges exists, between the double flanges the light metal connecting plates are arranged.

The arrangement can advantageously be such that each double flange has two bores arranged one above the other, which are aligned with corresponding openings in the light metal connecting plates and of which the lower opening is designed as a bore with the same diameter as the lower bore in the double flange and the Upper opening is an elongated hole extending in the horizontal direction, and that an eccentric cam rotatable in the cross-knot element is arranged between the front edges of the light metal connecting plates, on the peripheral surface of which the front edges of the light metal connecting plates can be supported.

Such an arrangement can preferably be further developed in that the eccentric cam is polygonal in cross section, two mutually parallel surfaces being provided at the same distance from the fulcrum.

With such an arrangement, an elevation can be carried out on each of the cross nodes, namely by lifting the relevant cross node area slightly by means of an assembly support, the lower connecting pins acting as a joint and the upper connecting pins each being able to carry out a horizontal movement in an elongated hole, after which the end faces the carrier connections are held apart by the eccentric cam.

In order to ensure a good seal of the roofing according to the invention against rainwater, it can preferably be provided that a permanently elastic sealing tape is arranged between the edges of roof skin elements projecting into the V-shaped channel.

The assembly is considerably facilitated in that a double-sided adhesive tape is arranged along the edges of the roof skin elements, which protrude into the V-shaped channel, and is covered with protective tape that can be removed for assembly.

It is also preferably provided that the edges of the dome-shaped roof skin elements protruding into the V-shaped channel are held by elastic retaining clips which engage the carriers.

According to an advantageous embodiment of the subject matter of the invention, these retaining clips are characterized in that the retaining clips each have V-shaped cantilevers in their upper region which extend over the edges of the roof skin elements and have hooks engaging in openings in the carriers in their lower region.

The arrangement is advantageously made such that the hooks engage in elongated holes which are arranged in the horizontal direction in the main carrier surfaces.

In order to also design the roof according to the invention in a particularly advantageous manner, provision can furthermore preferably be made for a mount which can be attached to a carrier and which has an upper and a lower rail for attaching a vertical edge covering, into which a practically arbitrarily designed decorative covering can subsequently be inserted .

This arrangement is preferably characterized in that the lower rail has an upwardly open U-shaped channel.

In order not only to be able to attach a particularly appealing facing in the outer edge regions, but also to be able to advantageously attach a decorative panel under the roof structure, a further embodiment of the subject matter of the invention provides that the lower rail is one for receiving a has horizontal veneer serving further U-rail, in which the "U" is arranged horizontally.

Overall, according to the invention, a canopy can be built to a very large extent to practically any desired dimensions and optical design, which on the one hand takes advantage of the advantages of industrial series production in economic terms and at the same time offers free design options with regard to the optical-aesthetic design.

• Fig. 1. einen schematischen Grundriß einer erfindungsgemäßen Überdachungs-Anordnung,
• Fig. 2. einen schematischen Aufriß eines Doppelbasisträgers mit einer Ausklinkung,
• Fig. 3. eine Seitenansicht des in der Fig. 2 dargestellten Doppelbasisträgers,
• Fig. 4. eine teilweise im Schnitt veranschaulichte Darstellung eines in der Fig. 5 gezeigten Kreuzknotenbereichs, wobei der Schnitt entlang der Linie IV-IV in der Fig. 5 geführt ist,
• Fig. 5. einen schematischen Grundriß eines Kreuzknotenbereichs,
• Fig. 6. einen Vertikalschnitt durch eine V-förmige Rinne,
• Fig. 7. eine schematische Seitenansicht eines Stahlblech-Profils
• Fig. 8. einen Schnitt entlang der Linie VIII-VIII in der Fig. 7,
• Fig. 9. einen schematischen Aufriß eines Querträger-Anschlusses im Teilschnitt,
• Fig. 10. einen schematischen Grundriß eines Querträger-Anschlusses nach der Darstellung in der Fig. 9,
• Fig. 11. in einem schematischen Aufriß den Endbereich eines Basisträgers, und
• Fig. 12. in einem Vertikalschnitt eine Halterung für eine Zierverblendung.

The invention is described below, for example with reference to the drawing; in this show:

• 1 shows a schematic plan view of a roofing arrangement according to the invention,
• 2 shows a schematic elevation of a double base carrier with a notch,
• 3 shows a side view of the double base support shown in FIG. 2,
• FIG. 4 shows an illustration, partly in section, of a cross-knot region shown in FIG. 5, the section being taken along line IV-IV in FIG. 5,
• 5 shows a schematic plan view of a cross node area,
• 6. a vertical section through a V-shaped channel,
• Fig. 7. is a schematic side view of a steel sheet profile
• 8 shows a section along the line VIII-VIII in FIG. 7,
• 9 is a schematic elevation of a cross member connection in partial section,
• 10. is a schematic plan view of a cross member connection as shown in FIG. 9,
• 11 shows a schematic elevation of the end region of a base support, and
• Fig. 12. In a vertical section, a holder for a decorative panel.

1 illustrates in a purely schematic floor plan the basic grid field construction of a roof according to the invention. Wall brackets 43 are attached to a wall, on which the roof construction according to the invention rests on one side, while the other side is supported on supports 42. The roof structure according to the invention is self-supporting between the wall brackets 43 and the supports 42.

Base supports 10 or double base supports 11 are arranged between the supports 42 on the one hand and in the area between the supports 42 and wall brackets 43, with cross members 12 being present between the double base supports 11.

A square grid field 13 is formed by four carriers each. In a preferred embodiment of the roof according to the invention, such a grid field 13 can have a grid dimension of 30 cm.

The arrangement illustrated in FIG. 1 can be created from horizontal, self-supporting, grid-like support elements. The roof covering elements are used, each of which covers a grid area 13. Depending on the intended use, either transparent or opaque roof skin elements can be used. Preferably transparent or translucent dome segments can be used if it is desired that the space under the roof according to the invention be as bright as possible.

In the arrangement illustrated in FIG. 1, a T-shaped connection with a double base support 11 is shown, for example, between two base supports, which are shown in the lower region of FIG. 1, in which a T-piece designed in the manner of a cross-knot element 32 is used becomes. Such a cross knot element with an eccentric cam shown purely schematically in FIG. 1 is explained in more detail below with reference to FIGS. 4 and 5.

Furthermore, the F.ig. 1 in the middle area, node brackets 44, which are illustrated below with reference to FIGS. 9 and 10.

FIG. 1 also shows, for a double base support 11, a notch 14 provided for connecting a cross member 12, which is shown in FIG. 2 with structural details.

Finally, light metal connecting plates 19 are shown purely schematically in FIG. 1, which are provided in the region of intersections and of L and T-shaped connections and are explained in more detail below with reference to the corresponding FIG.

As shown in FIG. 1, base beams 10 and double base beams 11, which are twice as long as the base beams 10, are used to absorb the main loads. The cross members 12 are used for the cross connection. The supporting structure is supported either on wall brackets 43 or on supports 42.

2 illustrates in a schematic elevation a double base support 11 which has a notch 14. The double base support 11 is manufactured in a composite construction. It consists of two sheet steel profiles 15 and 16 _; which are connected to one another and stiffened via a light metal connecting plate 19 arranged between them. The light metal connecting plate 19 is provided in the area of T-shaped connections and in intersection areas, but can extend over a predeterminable area along the carrier and, in special cases, can also be present continuously. The weakening of the profile caused by the notching is compensated by the light metal connecting plate 19. A connecting plate in the form of a flat material can be used, which of course can also be produced in any way. 3, an inverted T-profile can also be used as the connecting plate. 3 illustrates the structure of a composite beam used in accordance with the invention. Point as shown in the drawing the steel sheet profiles 15 and 16 basically the same shape, so that only a single profile has to be produced in production. Each steel sheet profile 15 ′ and 16 has an angled area on its upper edge, which in the embodiment illustrated in FIG. 3 is angled by approximately 45 degrees with respect to the main carrier surface. As a result, a V-shaped channel is formed between the two upper angled regions of the steel sheet profiles 15 and 16. The further configuration and the function of this V-shaped channel are explained in more detail below with reference to FIG. 6.

In the lower area, the steel sheet profiles 15 and 16 each have an area exhibited in the same direction as in the upper area, the lower edge of which is bent in the opposite direction to the bulge formed in such a way that an essentially horizontal lower flange is formed. This creates a stiffening bulge in the lower area of the composite beam. A T-shaped light metal connecting plate 19 is arranged between the two steel sheet profiles 15 and 16, as shown in FIG. 3, which is connected to the steel sheet profiles 15 and 16 by means of connecting screws 20 and 21. The T-shaped profile of the light metal connecting plate 19 has holes 30 in its T longitudinal leg, which are shown in more detail in FIG. 2. The connecting screws 20, which hold the composite support below the V-shaped channel 18, are passed through the bores 30. The connecting screws 21, which connect the steel sheet profiles 15 and 16 to the T-cross leg of the light metal connecting sheet 19, are passed through the lower flange 23, as can be clearly seen from FIGS. 2 and 3.

A cross node region is described in more detail below with reference to FIGS. 4 and 5. A cross knot element 32, which in a horizontal section basically has the shape of a beam cross and has double flanges 33, is connected to the light metal connecting plates 19 by means of bolts. 4 and 5, light metal = connecting plates 19 protrude from two mutually opposite sides into the spaces between the double flanges 33 of the cross-knot element 32. In the upper region of the cross-knot element 32 there is between the end faces of the light metal connecting plates arranged at a distance from one another 19 an eccentric cam 36 is arranged. In the lower area, both the light metal connecting plates 19 and the double flanges 33 of the cross-knot element 32 have openings 35 which are aligned with one another and designed as bores. In the upper area, elongated holes 34 are provided in the light metal connecting plates 19 in a basically aligned arrangement, while in the double flanges 33 of the cross node element 32 holes 35 are arranged. Pins are passed through the bores 35 and the corresponding elongated holes 34. If an elevation is now to be carried out in the area of a cross knot so that the rainwater can run off easily from this area, this can be done in the arrangement according to the invention in the following manner. First, a support is placed under the cross-knot element 32. If this support pushes the cross-knot area slightly upwards, the front edges of the light metal connecting plates 19 can be moved apart in the area of the eccentric cam 36, namely by the bolts being guided in the elongated holes 34, the bolts passing through the holes 35 in the lower region act as a pivot pin. In other words, when the supports are pushed up, the carrier connections in the upper region of the connecting plates are pressed apart, the lower connecting pins acting as a swivel joint and the upper connecting pins being guided in the elongated holes. By appropriate adjustment of the eccentric cam 36, the front edges of the connecting plates 19 can be supported or wedged with appropriate dimensioning of the cam surfaces. The support can then be removed under the cross knot area. If 36 cam surfaces are provided on the eccentric cam with different distances from the axis of rotation, different elevations can be brought about in this way and fixed by appropriate adjustment of the eccentric cam 36.

6 illustrates the configuration of the V-shaped channel 18 in a schematic vertical section. The edges of roof skin elements 22 protrude into the V-shaped channel 18 within the angled upper regions of the sheet steel profiles 15 and 16, respectively. The edges of the roof skin elements 22 are provided with a double-sided adhesive tape 38, which is already attached during manufacture. During assembly, the outer protective layer of such a double-sided adhesive tape 38 is removed so that a sealing tape 37 can be inserted between the edges of the roof skin elements 22, which is firmly and tightly connected to the tapes 38 by an adhesive connection. FIG. 6 also shows a holding clip 25 which has cantilevers 26 which are spread apart in a Y-shape in its upper region and which rest on the double-sided adhesive tapes 38. In its lower region, the holding clip 25 has hooks 27 which are angled outwards and which engage in the elongated holes 34 which are formed in the steel sheet profiles 15 and 16. The elongated holes 34 can be seen in particular from the illustration in FIG. 7. The holding clips 25 can be used at predeterminable distances from one another. In those places where there are no retaining clips 25, there is a continuous adhesive connection between the Sealing tape 37 and the double-sided adhesive tapes 38. In the area of the V-shaped gutter, a well-sealed rain gutter is formed on the one hand by the above-described embodiment of the subject matter of the invention, and at the same time the edges of the roof skin elements are firmly anchored with the aid of the retaining clips 25.

FIG. 7 shows the steel sheet profile 15 in a schematic elevation and also clearly shows the elongated holes 34 already mentioned above. 7 also shows the keyway 17, which, according to the above explanations, serves to produce a notch illustrated in FIG. 2, namely by making cuts across the keyway 17 from above and breaking out the edge region remaining between the cuts becomes.

Finally, FIG. 7 also shows punchings 28 and 29 which serve on the one hand as a cut-to-length dimension and on the other hand represent a drilling pattern, so that the bores required for making connections can be made without a drilling template and at the same time can be positioned exactly. In this way, both the bores 30 for the connecting screws 20 and the bores 31 for the connecting screws 21 can be made easily and precisely.

The steel sheet profile 15 shown in FIG. 7 is illustrated in FIG. 8 in a section along the line VIII-VIII, and in this illustration the grain 28 in the main support surface as well as the grain 29 in the lower flange 23 in their location clearly recognizable.

In FIGS. 9 and 10, node brackets 44 with cross members 12 attached thereto, which each run horizontally as shown in FIGS. 9 and 10, are flanged to a double base carrier 11. Such a connection can in principle take place in the area of a notch 14, as illustrated in FIG. 2.

11 illustrates the end region of a base support 10, the connecting plate 19 of which has an elongated hole 34 in the upper region and a bore 35 in the lower region. Furthermore, the bores 30 for the connecting screws 20 as well as the screws 21 inserted into the lower flange 23 of the steel sheet profile are illustrated in FIG. 11. The part of a base support 10 shown in FIG. 11 can in principle be used for connection to a cross-node element, as was shown in FIGS. 4 and 5.

FIG. 12 illustrates an advantageous possibility of attaching a holding bracket 41 to a carrier according to the invention with the aid of connecting screws 20, which bracket can be used to fasten a lower rail 40 by means of fastening screws 45 for attaching an edge covering (not shown). The lower rail 40 has an upwardly open U-groove, into which the lower edge of a decorative cover (not shown) can be inserted. The upper edge of such a decorative veneer, which is to be arranged vertically in principle, can be held in an inverted U-groove which is formed on an upper rail 39, which is fastened to the steel sheet profile 16 in the region of the V- by means of fastening elements such as screws. shaped groove 18 is attached. In the embodiment of the subject matter illustrated in FIG. 12, two U-grooves which are aligned with one another are thus formed, into which a decorative covering designed according to the wishes of the respective application can be inserted or inserted.

The lower rail 40 has, as shown in FIG. 12, a further U-shaped groove, the opening of which is arranged horizontally, so that a horizontal facing can be inserted into the corresponding U opening.

Claims (20)

1. Roofing means for roofing a given surface, particularly for forecourts, conservatories, pergolas or house entrances, with a grid-like support structure, industrially prefabricated beams (10, 11, 12) matched to given girder field dimensions are provided which rest on vertical supports or wall brackets, the beams (10, 11, 12) are constructed as bonded beams or girders having two symmetrically arranged sheet steel profiles (15, 16), between which are arranged L and T-shaped connecting plates (19), at least in the vicinity of intersections, the sheet steel profiles (15, 16) and connecting plates (19) being screwed together by means of assembly screws (20, 21), characterized in that the connecting plates (19) are made from light metal and that the sheet steel profiles (15, 16) have angular edge regions in the upper part of the beam (10, 11, 12) forming a substantially V-shaped groove, into which project the edges of dome-shaped roof membrane elements (22), which in each case cover a grid field (13).

2. Means according to claim 1, characterized in that base beams (10) are provided having a length corresponding to the edge length of a grid field (13) and at least one base beam (10) and a transverse beam (12) at right angles thereto meet in each grid corner point.

3. Means according to claim 1, characterized in that double base beams (12) are provided, which pass over two grid fields (13) and which in the central region thereof a coping (14) is provided on the upper edge for an intersection or for a T-shaped connection of a transverse beam (12) at right angles to base beam (10).

4. Means according to claim 3, characterized in that the sheet steel profile (15, 16) for producing the coping (14) has a keyway (17) serving as a desired breaking line and which is located in the lower part of the angular edge region for forming the V-shaped groove (18).

5. Means according to one of the preceding claims, characterized in that the angular edge region for forming the V-shaped groove (14) is angled at an angle of approximately 45° with respect to a beam main surface to be vertically positioned.

6. Means according to one of the preceding claims, characterized in that the sheet steel profile (15, 16) of beam (10, 11, 12) is provided in its lower region with an area bent to one side and which is bent in the same direction as the upper edge area and that the lower edge of the bent area is bent over in the opposite direction to said bend, so that an outward bulge and a lower chord (23) substantially at right angles to the beam main surface are formed and the edge thereof is arranged in the plane fixed by the beam main surface.

7. Means according to one of the preceding claims, characterized in that the profiles are rolled profile parts.

8. Means according to one of the preceding claims, characterized in that the sheet steel profile (15, 16) in the beam main surface positioned vertically in the installed state has in its upper half horizontal elongated holes (34) arranged with the grid spacing and in which engage fixing clips (25).

9. Means according to one of the claims 6 to 8, characterized in that the sheet steel profile (15, 16) on the beam main surface and on the lower chord (23) has rows of punch marks (28) spaced from one another in a manner corresponding to a given fraction of the grid size and they mark the bores (30, 31) for the assembly screws (20, 21) and the lengths of cut for the beams.

10. Means according to one of the claims 6 to 9, characterized in that the connecting plates (19) are cross-sectionally shaped like an inverted T, whose cross-member is arranged within the outward bulge and is screwed to the horizontal lower chord (23).

11. Means according to one of the preceding claims, characterized in that between the ends of the base beams (10) or double base beams (11) is in each case provided a cross node member (32), which comprises a light metal body constructed in one piece, which has a beam grill-shape and which is equipped with fork-like double flanges (33) and between which are arranged the light metal joining plates (19).

12. Means according to claim 11, characterized in that each double flange (33) has two superimposed bores (30, 30), which are aligned with corresponding openings (24, 35) in the light metal connecting plates (19) and whereof the lower opening is constructed as a bore (35) with the same diameter as the lower bore (30) in double flange (33) and the upper opening is a horizontally extending elongated hole (24) and that between the frontal edges of the light metal connecting plates (19) is arranged an eccentric cam (36) rotatable in the cross node member (32) and on whose circumferential surface are supported the frontal edges of the light metal connecting plates (19).

13. Means according to claim 12, characterized in that the eccentric cam (36) is polygonal in cross-section, there being two parallel surfaces at the same distance from the fulcrum.

14. Means according to one of the preceding claims, characterized in that a permanent elastic sealing band (37) is arranged between the edges of the roof membrane elements projecting into the V-shaped groove.

15. Means according to claim 14, characterized in that a double-sided adhesive band (38) is arranged along the edges of the roof membrane elements projecting into the V-shaped groove (18) and is covered with a protective band removable for assembly purposes.

16. Means according to one of the preceding claims, characterized in that the edges of the dome-shaped roof membrane elements (22) projecting into the V-shaped groove (18) are secured by elastic fixing clips (25), whose hooks (27) engage in elongated holes (34), which are arranged horizontally in the beam main surfaces of beams (10, 11, 12).

17. Means according to claim 16, characterized in that the fixing clips (25) are in each case provided in their upper area with V-shaped jibs (26) engaging over the edges of the roof membrane elements and in their lower area have hooks (27) engaging in openings (34) in beams (10, 11, 12).

18. Means according to one of the preceding claims, characterized in that a mounting support which can be fitted to a beam (10, 11, 12) is provided and has an upper and a lower rail (39 or 40) for fitting a vertical edge facing and in which is subsequently inserted a substantially randomly designed decorative facing.

19. Means according to claim 18, characterized in that the lower rail (40) has an upwardly open U-shaped groove.

20. Means according to one of the claims 18 or 19, characterized in that the lower rail (40) has a further U-shaped rail for receiving a horizontal facing, said U being arranged horizontally.

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