BUILDING ELEMENT FOR PROVIDING THERMAL INSULATION BETWEEN A BUILDING PART AND A PROJECTING EXTERIOR PART

Abstract

 Presented is a building element (1) for providing thermal insulation between a building part (2) and a projecting exterior part (3). The building element (1) comprises an elongated insulating body (4) having a first side (5) intended to abut the building part (2) and a second side (6) intended to abut the projecting exterior part (3), a top rail structure (7), and a bottom rail structure (8). At least one of the top rail structure (7) and the bottom rail structure (8) is a multipart structure comprising an outer rail (9) and an inner rail (10) that is between the outer rail (9) and the elongated insulating body (4) in the building element (1), so that an insulation space (12) is formed between the outer rail (9) and an insulation layer (13) is provided in the insulation space (12).

Description

Field of the invention

[0001] The invention relates to a building element for providing thermal insulation between a building part and a projecting exterior part such as a balcony slab, wherein the building element comprising an elongated insulating body having a first side intended to abut the building part and a second side intended to abut the projecting exterior part, a top rail structure, and a bottom rail structure, as defined in the preamble of independent claim 1.

Objective of the invention

[0002] The object of the invention is to provide a building element for providing thermal insulation between a building part and a projecting exterior part such as a balcony slab that allows for easy providing of a top rail structure and/or of a bottom rail structure with an insulation layer when producing the building element.

Short description of the invention

[0003] The building element of the invention is characterized by the definitions of independent claim 1.

[0004] Preferred embodiments of the building element are defined in the dependent claims.

List of figures

[0005] In the following the invention will be described in more detail by referring to the figures, which

Figure 1 shows a first embodiment of the building element,

Figure 2 shows the first embodiment of the building element shown in figure 1 in section view and as mounted between a building part and a projecting exterior part,

Figure 3 shows the first embodiment of the building element shown in figure 1 in exploded view,

Figure 4 shows a second embodiment of the building element,

Figure 5 shows the second embodiment of the building element shown figure 4 in exploded view,

Figure 6 shows a third embodiment of the building element,

Figure 7 shows the third embodiment of the building element shown in figure 6 in exploded view,

Figure 8 shows first version of a top rail structure comprising an inner rail in the form of a bar rail that is attached to an outer rail,

Figure 9 shows what is shown in figure 8 in exploded view,

Figure 10 shows some parts of what is shown in figure 8,

Figure 11 shows a version of an inner rail section that is in the form of a bar holder rail section,

Figure 12 shows another version of an inner rail section that is in the form of a bar holder rail section,

Figure 13 shows a version of an inner rail that is in the form of a compression distribution element holding rail that is attached to an outer rail,

Figure 14 shows that what is illustrated in figure 13 with the shear bars detached,

Figure 15 shows a version of bottom rail comprising an inner rail in the form of a compression distribution element holding rail,

Figure 16 shows that what is shown in figure 15 exploded view,

Figure 17 shows a separate clip for shear bar in a locking state,

Figure 18 shows a separate clip for shear bar in a receiving state,

Figure 19 shows a separate clip for shear bar in a locking state,

Figure 20 shows a separate clip for shear bar in a locking state and with a bar in the form of a shear bar received therein,

Figure 21 shows in cross section an alternative embodiment of the top rail structure or of the bottom rail structure,

Figure 22 shows a fourth embodiment of the building element,

Figure 23 shows the fourth embodiment of the building element, shown in figure 22 in side view,

Figure 24 shows the fourth embodiment of the building element, shown in figure 22 in exploded view, and

Figure 25 shows the fourth embodiment of the building element, shown in figure 22 in exploded view.

Detailed description of the invention.

[0006] Next the building element 1 for providing thermal insulation between a building part 2 and a projecting exterior part 3 such as a balcony slab and some embodiments and variants of the building element 1 will be presented in greater detail.

[0007] The building element 1 comprises an elongated insulating body 4 having a first side 5 intended to abut, preferably partly abut, the building part 2 and a second side 6 intended to abut, preferably partly abut, the projecting exterior part 3.

[0008] The elongated insulating body 4 is preferably, but not necessarily, made of solid thermal insulation material, wherein the solid thermal insulation material that the elongated insulating body 4 being made of forming the outer surface (not marked with a reference numeral) of the elongated insulating body 4. In such case, the first side 5 of the elongated insulating body 4 and the second side 5 of the elongated insulating body 4 are preferably, but not necessarily, parts of the outer surface of the elongated insulating body 4.

[0009] The building element 1 comprises a top rail structure 7 that can cover an upper side of the elongated insulating body 4 and that can form at least a part of a flat upper surface of the building element 1. If the elongated insulating body 4 is made of solid thermal insulation material so that the solid thermal insulation material that the elongated insulating body 4 being made of forming the outer surface of the elongated insulating body 4, the upper side of the elongated insulating body 4 is preferably, but not necessarily, a part of the outer surface of the elongated insulating body 4.

[0010] The building element 1 comprises a bottom rail structure 8 that can cover a lower side of the elongated insulating body 4 and that can form at least a part of a flat lower surface of the building element 1. If the elongated insulating body 4 is made of solid thermal insulation material so that the solid thermal insulation material that the elongated insulating body 4 being made of forming the outer surface of the elongated insulating body 4, the lower side of the elongated insulating body 4 is preferably, but not necessarily, a part of the outer surface of the elongated insulating body 4.

[0011] At least one of the top rail structure 7 and the bottom rail structure 8 is a multipart structure comprising an outer rail 9 and an inner rail 10 that is between the outer rail 9 and the elongated insulating body 4 in the building element 1.

[0012] Preferably both the top rail structure 7 and the bottom rail structure 8 is a multipart structure comprising an outer rail 9 and comprising an inner rail 10 that is between the outer rail 9 and the elongated insulating body 4 in the building element 1

[0013] The outer rail 9 is in the form of a part that is separated from the inner rail 10.

[0014] The inner rail 10 is attached to the outer rail 9 by rail fastening means 11 so that an insulation space 12 is formed between the outer rail 9 and the inner rail 10 and so that the insulation space 12 is partly limited by the outer rail 9 and partly limited by the inner rail 10.

[0015] An insulation layer 13 is provided in the insulation space 12.

[0016] Because the insulation layer 13 is in the he insulation space 12 that is partly limited by the outer rail 9 and that is partly limited by the inner rail 10, the insulation layer 13 is also protected by the outer rail 9 and the inner rail 10.

[0017] The insulation layer 13 is provided in the insulation space 12 is preferably, but not necessarily, made of solid thermal insulation material, wherein the solid thermal insulation material that the insulation layer 13 being made of forming the outer surface (not marked with a reference numeral) of the insulation layer 13.

[0018] The outer surface of the insulation layer 13 provided in the insulation space 12 is preferably, but not necessarily, in direct contact with both the outer rail 9 and with the inner rail 10.

[0019] The insulation layer 13 provided in the insulation space 12 has preferably, but not necessarily, a cross-section that essentially corresponds to a cross-section of the insulation space 12.

[0020] The insulation layer 13 can have a first flat surface 49 adjoining the outer rail 9 in the insulation space 12 and the insulation layer 13 can have a second flat surface 50 adjoining the inner rail 10 in the insulation space 12 and the insulation layer 13 can have lateral side surfaces 51 between the first flat surface 49 and the second flat surface 50, wherein the fastening means 11 attaching the inner rail 10 to the outer rail 9 in said at least one of the top rail structure 7 and the bottom rail structure 8 in provided in said at least one of the top rail structure 7 and the bottom rail structure 8 at the lateral side surfaces 51 of the insulation layer 13, i.e. adjacent to the lateral side surfaces 51 of the insulation layer 13. This provides for easy installation of the insulation layer 13 into the insulation space 12, because this provided for large opening of the insulation space 12.

[0021] Because the inner rail 10 is attached to the outer rail 9 by rail fastening means 11 so that an insulation space 12 is formed between the outer rail 9 and the inner rail 10 and so that the insulation space 12 is partly limited by the outer rail 9 and partly limited by the inner rail 10 and because an insulation layer 13 is provided in the insulation space 12, it is easy to provide the top rail structure 7 and/or the bottom rail structure 8 with an insulation layer 13.

[0022] The inner rail 10 that is attached to the outer rail 9 is preferably, but not necessarily, in the building element 1 between the insulation layer 13 provided in the insulation space 12 and the elongated insulating body 4. The inner rail 10 that is attached to the outer rail 9 is preferably, but not necessarily, in the building element 1 in direct contact with both the insulation layer 13 provided in the insulation space 12 and with the elongated insulating body 4.

[0023] If the top rail structure 7 is, as presented, a multipart structure comprising an outer rail 9 and an inner rail 10 that is between the outer rail 9 and the elongated insulating body 4 in the building element 1, the outer rail 9 forms preferably, but not necessarily, a flat upper surface of the building element 1. The flat upper surface extends preferably, but not necessarily, laterally at least to the first side 5 and to the second side 6 of the elongated insulating body 4, more preferably beyond the first side 5 and to the second side 6 of the elongated insulating body 4.

[0024] If the bottom rail structure 8 is, as presented, a multipart structure comprising an outer rail 9 and an inner rail 10 that is between the outer rail 9 and the elongated insulating body 4 in the building element 1, the outer rail 9 forms preferably, but not necessarily, a flat lower surface of the building element 1. The flat lower surface extends preferably, but not necessarily, laterally at least to the first side 5 and to the second side 6 of the elongated insulating body 4, more preferably beyond the first side 5 and to the second side 6 of the elongated insulating body 4.

[0025] One of the top rail structure 7 and the bottom rail structure 8 can, as illustrated in figure 21, alternatively have a first web structure 14 and two first flanges 15 projecting from the first web structure 14. The first web structure 14 and the two first flanges 15 limits a first open channel 16. The elongated insulating body 4 is partly arranged in the first open channel 16. One of the two first flanges 15 covers partly the first side 5 of the elongated insulating body 4. The other of the two first flanges 15 covers partly the second side 6 of the elongated insulating body 4.

[0026] The outer rail 9 comprises preferably, but not necessarily, two second flanges 37.

[0027] The two second flanges 37 can be connected by a first web 38.

[0028] The outer rail 9 has preferably, but not necessarily, a U-shaped or a trapezoid-shaped cross-section.

[0029] The inner rail 10 has preferably, but not necessarily, two third flanges 39.

[0030] The two third flanges 39 can be connected by a second web 40.

[0031] The inner rail 10 has preferably, but not necessarily, a generally H-shaped cross-section so that the inner rail 10 has a second open channel 41 formed by two parallel third flanges 39 and the second web 40 and so that the elongated insulating body 4 is partly received in the second open channel 41.

[0032] If the outer rail 9 comprises two second flanges 37 and if the inner rail 10 comprises two third flanges 39, the outer rail 9 is preferably, but not necessarily, attached to the inner rail 10 so that one of the two second flanges 37 of the outer rail 9 is attached to one of the two third flanges 39 of the inner rail 10 and so that the other of the two second flanges 37 of the outer rail 9 is attached to the other of the two third flanges 39 of the inner rail 10.

[0033] It is possible that the edges of said two second flanges 37 of the outer rail 9 comprises rail fastening means 11 in the form of a male snap edge configured to co-operate with rail fastening means 11 in the form of a female snap edge provided at the edges of said two third flanges 39 of the inner rail 10.

[0034] If the inner rail 10 comprises two third flanges 39 and if the inner rail 10 is provided with between the building part 2 and the projecting exterior part 3, which compression distribution elements 26 comprising lost molds 27, the lost molds 27 extends preferably, but not necessarily, in parallel between the two third flanges 39 and beyond the two third flanges 39.

[0035] The lost molds 27 comprises preferably, but not necessarily, a surrounding lateral wall 44 and a bottom 45.

[0036] The height of the surrounding lateral wall 44 of the lost molds 27 can be the same as the height of the two parallel third flanges 39.

[0037] It is also possible that the height of the surrounding lateral wall 44 of the lost molds 27 is more than twice the height of the two parallel third flanges 39, as illustrated in figures 15 and 16. This allows to cast and to make the compression distribution elements 26 higher and to make the compression distribution elements 26 capable of transferring shear force between the building part 2 and the projecting exterior part 3. This can make the provision of bars 19 in the form of shear bars extending through the elongated insulating body 4 unnecessarily, if the building element 1 shall be capable of transferring shear force between the building part 2 and the projecting exterior part 3.

[0038] If the inner rail 10 comprises two third flanges 39 and if the building element 1 comprise bars 19, which extend through the building element 1 and which are configured to transfer forces between the building part 2 and the projecting exterior part 3, at least one of the two third flanges 39 can be provided with slits 46 to allow bars 19 to pass through said at least one of the two third flanges 39.

[0039] The insulation layer 13 can at least partly be made of expanded or extruded polystyrene, foamglass, silcate, mineral foam or mineral wool.

[0040] At least some of the rail fastening means 11 fastening the inner rail 10 to the outer rail 9 can be integrated co-operating fastening means provided at the inner rail 10 and at the outer rail 9. The rail fastening means 11 can for example comprise a male snap-fit edge 35 provided at one of the inner rail 10 and the outer rail 9 and a co-operating female snap-fit edge 36 provided at the other of the inner rail 10 and the outer rail 9.

[0041] At least some of the rail fastening means 11 can be separate fastening means.

[0042] The inner rail 10 can comprise inner rail sections 17. Forming the inner rail 10 of inner rail sections 17 makes it easier to make building elements 1 of different lengths by using in the building element a number of inner rail sections 17 having a standardized length to provide an inner rail 10 having a desired length.

[0043] Adjacent inner rail sections 17 can be connected end to end with connection means 18 to each other to form the inner rail 10. The connection means 18 can for example comprise a male snap-fit edge 35 provided at some of the inner rail sections 17 and a co-operating female snap-fit edge 36 provided at others of the inner rail sections 17.

[0044] At least some of the connection means 18 can be integrally formed at the inner rail sections 17.

[0045] At least some of the connection means 18 can be external fastening means.

[0046] The length of the outer rail 9 to length of the inner rail sections 17 is preferably, but not necessarily, one of 1 to 2, 1 to 3, 1 to 4, 1 to 5, and 1 to 6.

[0047] The building element 1 can comprise bars 19, which extend through the building element 1 and which are configured to transfer forces between the building part 2 and the projecting exterior part 3, and the inner rail 10 can be in the form of a bar holder rail to which the bars 19 are connected to.

[0048] An inner rail 10 in the form of a bar holder rail allows for easy providing of the building element 1 with bars 19 such as tension or shear bars configured to transfer forces between the building part 2 and the projecting exterior part 3.

[0049] The building element 1 has preferably, but not necessarily, an elongated form with opposite ends. The inner rail 10 in the form of a bar holder rail extends preferably, but not necessarily, from one opposite end to the other opposite end of the building element 1.

[0050] At least some of the bars 19 can be connected to the inner rail 10 in the form of a bar holder rail by means of external clips 20.

[0051] The external clips 20 can comprise two parallel sections 21 attached to the shear bar holder rail 15 and a connecting section 22 that connects the two parallel sections 21 so that the shear bar 9 is pressed between the connecting section 22 and the two parallel sections 21.

[0052] The connecting section 22 can as illustrated in figure 18 function a living hinge connecting the two parallel sections 21 together so that the external clip 20 can be brought into a receiving state where the two parallel sections 21 are spaced apart from each other and where the shear bar 9 can be brough between the two parallel sections 21 into contact with the connecting section 22, and into a locking state where the two parallel sections 21 are in contact with each other and where the shear bar 9 is pressed between the connecting section 22 and the two parallel sections 21, as illustrated in figure 20.

[0053] The two parallel sections 21 can be provided with snap retainers 23 for connecting the two parallel sections 21 together in the locking state.

[0054] The connecting section 22 can form in the external clip 20 together with the two parallel sections 21 a channel 24 that has partly a semi-tubular configuration, and that extend in an angle with respect to the layer of compression modules.

[0055] The external clips 20 can be made of polymer, plastic, metal or textile or of a combination thereof.

[0056] At least some of the bars 19 can be connected to the inner rail 10 in the form of a bar holder rail by means of bar fastening means 25 integrally formed at the bar holder rail. The bar fastening means 25 can for example be hose clamps or bat clamps integrally formed at the inner rail 10 in the form of a bar holder rail.

[0057] At least some of the bars 19 can be tension bars, which extend transversely through the building element 1 and which are configured to transfer tension forces between the building part 2 and the projecting exterior part 3.

[0058] At least some of the bars 19 can be shear bars, which extend diagonally through the elongated insulating body 4 of the building element 1 and which are configured to transfer shear forces between the building part 2 and the projecting exterior part 3.

[0059] The inner rail 10 in the form of a bar holder rail can be provided with compression distribution elements 26.

[0060] The compression distribution elements 26 can comprise lost molds 27 and compression-resistant material 28 such as concrete, for example fiber reinforced ultra-high performance concrete or mortar, cast in the lost molds 27, wherein the compression distribution elements 26 are configured to transfer compression forces between the building part 2 and the projecting exterior part 3. The lost molds 27 are preferably, but not necessarily, made of polymer. The lost molds 27 can consist of polymer so that the compression distribution elements 26 consist of compression-resistant material 28, such as concrete, for example fiber reinforced ultra-high performance concrete or mortar, cast in the lost molds 27, and the polymer of the lost molds 27.

[0061] At least some of the lost molds 27 can be integrally formed with the inner rail 10 in the form of a bar holder rail.

[0062] At least some of the lost molds 27 can be in the form of separate parts, which are fastened to the inner rail 10 in the form of a bar holder rail.

[0063] Spaces 29 can be provided between adjacent compression distribution elements 26 in the inner rail 10 in the form of a bar holder rail, and insulating blocks 30 can be provided in the spaces 29. The insulation blocks 30 can at least partly be made of expanded or extruded polystyrene, foamglass, silcate, mineral foam or mineral wool.

[0064] The compression distribution elements 26 can alternatively be made of steel.

[0065] If the building element 1 is provided with bars 19, at least one end of at least one bar 19 can be provided with a head 31.

[0066] The building element 1 can comprise compression distribution elements 26 configured to transfer compression forces between the building part 2 and the projecting exterior part 3, wherein the inner rail 10 is in the form of a compression distribution element holding rail at which the compression distribution elements 26 are provided.

[0067] An inner rail 10 in the form of a compression distribution element holding rail allows for easy providing of the building element 1 with compression distribution elements 26 configured to transfer compression between the building part 2 and the projecting exterior part 3.

[0068] The building element 1 has preferably, but not necessarily, an elongated form with opposite ends. The inner rail 10 in the form of a compression distribution element holding rail extends preferably, but not necessarily, from one opposite end to the other opposite end of the building element 1.

[0069] The compression distribution elements 26 can comprise lost molds 27 and compression-resistant material 28 such as concrete for example fiber reinforced ultra-high performance concrete or mortar, cast in the lost molds 27, wherein the compression distribution elements 26 are configured to transfer compression forces between the building part 2 and the projecting exterior part 3. The lost molds 27 are preferably, but not necessarily, made of polymer. The lost molds 27 can consist of polymer so that the compression distribution elements 26 consist of compression-resistant material 28, such as concrete, for example fiber reinforced ultra-high performance concrete or mortar, cast in the lost molds 27, and the polymer of the lost molds 27.

[0070] At least some of the lost molds 27 can be integrally formed with the inner rail 10 in the form of a compression distribution element holding rail.

[0071] At least some of the lost molds 27 can be in the form of separate parts, which are fastened to the inner rail 10 in the form of a compression distribution element holding rail.

[0072] Spaces 29 can be provided between adjacent compression distribution elements 26 in the inner rail 10 in the form of a compression distribution element holding rail and insulating blocks 30 can be provided in the spaces 29. The insulation blocks 30 can at least partly be made of expanded or extruded polystyrene, foamglass, silcate, mineral foam or mineral wool.

[0073] If the inner rail 10 comprises inner rail section and if the inner rail 10 is in the form of a compression distribution element holding rail, the number of compression distribution elements 9 in a inner section 17 can for example be 2 to 6, preferably 3 to 5, such as 4.

[0074] If the building element comprises bars 19, at least some of the bars 19 can be connected to the inner rail 10 in the form of a compression distribution element holding rail by means of external clips 20.

[0075] At least some of the bars 19 can be connected to the inner rail 10 in the form of a compression distribution element holding rail by means of external clips 20. The structure of the external clips 20 can be the same that is presented in connection with the inner rail 10 in the form of a bar holder rail.

[0076] At least some of the bars 19 can be connected to the inner rail 10 in the form of a compression distribution element holding rail by means of bar fastening means 25 integrally formed at the compression distribution element holding rail. The bar fastening means 25 can for example be hose clamps or bar clamps integrally formed at the inner rail 10 in the form of a compression distribution element holding rail.

[0077] The top rail structure 7 can at least partly be made of polymer.

[0078] The bottom rail structure 8 can at least partly be made of polymer.

[0079] The elongated insulating body 4 can at least partly be made of expanded or extruded polystyrene, foamglass, silcate, mineral foam or mineral wool.

[0080] The inner rail 10 can at least partly be made of polymer.

[0081] The outer rail 9 can at least partly be made of polymer.

[0082] The length of top rail structure 7 is preferably, but not necessarily, the same as the length of bottom rail structure 8.

[0083] The length of the bottom rail structure 8 and of the top rail structure 7 is preferably, but not necessarily, the same as the length of elongated insulating body 4.

[0084] Tension bands 32 can be provided and configured to force the top rail structure 7 and the bottom rail structure 8 towards each other so that the elongated insulating body 4 is pressed between the top rail structure 7 and the bottom rail structure 8 and the tension bands 32.

[0085] The tension bands 32 unifies the top rail structure 7, the bottom rail structure 8 and the elongated insulation body 4 together so that the top rail structure 7, the bottom rail structure 8 and the elongated insulation body 4 are connected with each other and acting as one system.

[0086] The tension bands 32 are preferably, but not necessarily, inflexible. The tension bands 32 can for example be tension straps provided with apertures 48, zip ties, cable ties, or the like which are preferably, but not necessarily, made of polymer. The length of the tension bands 32 are preferably, but not necessarily, adjustable and/or selectable so that the elongated insulating body 4 can be properly pressed between the top rail structure 7 and the bottom rail structure 8 and the tension bands 32.

[0087] The tension bands 32 can circumvent the top rail structure 7, the bottom rail structure 8 and the elongated insulation body 4 or be arranged between the top rail structure 7 and the bottom rail structure 8.

[0088] It is also possible that tension bands 32 are connected between the top rail structure 7 and the bottom rail structure 8 at the first side 5 of the elongated insulation body 4 and that tension bands 32 are connected between the top rail structure 7 and the bottom rail structure 8 at the second side 6 of the elongated insulation body 4.

[0089] The top rail structure 7 can comprise first hooks 33, first loops or the like integrally provided at an outer surface of the top rail structure 7 and the tension bands 32 can be connected to the first hooks 33, first loops or the like.

[0090] The bottom rail structure 8 can comprise second hooks 34, second loops or the like integrally provided at an outer surface of the bottom rail structure 8, and the tension bands 32 can be connected to the second hooks 34, second loops or the like.

[0091] It is also possible that tension bands 32 are connected between the inner rail 10 of the top rail structure 7 and the inner rail 10 of the bottom rail structure 8 at the first side 5 of the elongated insulation body 4 and that tension bands 32 are connected between the inner rail 10 of the top rail structure 7 and the inner rail 10 if the bottom rail structure 8 at the second side 6 of the elongated insulation body 4.

[0092] The top rail structure 7 can comprise first hooks 33, first loops or the like integrally provided at an outer surface of the inner rail 10 of the top rail structure 7 and the tension bands 32 can be connected to the first hooks 33, first loops or the like.

[0093] The bottom rail structure 8 can comprise second hooks 34, second loops or the like integrally provided at an outer surface of the inner rail 10 of the bottom rail structure 8, and the tension bands 32 can be connected to the second hooks 34, second loops or the like.

[0094] The elongated insulating body 4 can comprise several separate elongated insulating parts 42 assembled together to form said elongated insulating body 4.

[0095] At least two of said several elongated separate insulating parts 42 can be assembled together without using adhesive or the like.

[0096] Two of said several elongated separate insulating parts 42 can be separated by an inclined division plane 43. This is specifically advantageous if the building element 1 comprises bars 9 in the form of shear bars extending diagonally through the elongated insulating body 4, which results in that the shear bars can extend diagonally through the elongated insulating body 4 between elongated separate insulating parts separated by said inclined division plane 43.

[0097] If the building element 1 comprises bars 13 in the form of shear bars configured to transfer shear force between the building part 2 and the projecting exterior part 3 and if the elongated insulation body 4 is in one-piece form as the fourth embodiment of the building element shown in figures 22 to 25, the shear bars can extend diagonally through the elongated insulating body 4 in cuts 47 provided in the elongated insulating body 4.

[0098] It is apparent to a person skilled in the art that as technology advanced, the basic idea of the invention can be implemented in various ways. The invention and its embodiments are therefore not restricted to the above examples, but they may vary within the scope of the claims.

Claims

1. A building element (1) for providing thermal insulation between a building part (2) and a projecting exterior part (3) such as a balcony slab, wherein the building element (1) comprising

an elongated insulating body (4) having a first side (5) intended to abut the building part (2) and a second side (6) intended to abut the projecting exterior part (3),

a top rail structure (7), and

a bottom rail structure (8),

characterized

by at least one of the top rail structure (7) and the bottom rail structure (8) being a multipart structure comprising an outer rail (9) and an inner rail (10) that is between the outer rail (9) and the elongated insulating body (4) in the building element (1),

by the outer rail (9) being in the form of a part that is separated from the inner rail (10),

by the inner rail (10) being attached to the outer rail (9) by rail fastening means (11) so that an insulation space (12) is formed between the outer rail (9) and the inner rail (10) and so that the insulation space (12) is partly limited by the outer rail (9) and partly limited by the inner rail (10), and

by an insulation layer (13) being provided in the insulation space (12).

2. The building element (1) according to claim 1, characterized
by the insulation layer (13) is at least partly made of expanded or extruded polystyrene, foamglass, silcate, mineral foam or mineral wool.

3. The building element (1) according to claim 1 or 2, characterized
by at least some of the rail fastening means (11) being integrated co-operating fastening means provided at the inner rail (10) and at the outer rail (9).

4. The building element (1) according to any of the claims 1 to 3, characterized
by the inner rail (10) comprising inner rail sections (17).

5. The building element (1) according to claim 4, characterized
by adjacent inner rail sections (17) being connected end to end with connection means (18) to each other to form the inner rail (10).

6. The building element (1) according to any of the claims 1 to 5, characterized

by bars (19), which extend through the building element (1) and which are configured to transfer forces between the building part (2) and the projecting exterior part (3), and

by the inner rail (10) being in the form of a bar holder rail to which the bars (19) are connected to.

7. The building element (1) according to claim 6, characterized
by at least some of the bars (19) being tension bars, which extend transversely through the building element (1) and which are configured to transfer tension forces between the building part (2) and the projecting exterior part (3).

8. The building element (1) according to claim 6 or 7, characterized
by at least some of the bars (19) being shear bars, which extend diagonally through the insulating body of the building element (1) and which are configured to transfer shear forces between the building part (2) and the projecting exterior part (3).

9. The building element (1) according to any of the claims 6 to 8, characterized
by the inner rail (10) in the form of bar holder rail being provided with compression distribution elements (26) configured to transfer compression forces between the building part (2) and the projecting exterior part (3).

10. The building element (1) according to any of the claims 1 to 9, characterized

by compression distribution elements (26) configured to transfer compression forces between the building part (2) and the projecting exterior part (3),

by the inner rail (10) being in the form of a compression distribution element holding rail at which the compression distribution elements (26) are provided.

11. The building element (1) according to any of the claims 1 to 10, characterized
by tension bands (32) configured to force the top rail structure (7) and the bottom rail structure (8) towards each other so that the elongated insulating body (4) is pressed between the top rail structure (7) and the bottom rail structure (8) and the tension bands (32).

12. The building element (1) according to claim 11, characterized

by the top rail structure (7) comprising first hooks (33), first loops or the like integrally provided at an outer surface of the top rail structure (7), and

by the tension bands (32) being connected to the first hooks (33), first loops or the like.

13. The building element (1) according to claim 12, characterized

by the top rail structure (7) being a multipart structure comprising an outer rail (9) and an inner rail (10) that is between the outer rail (9) and the elongated insulating body (4) in the building element (1), and

by the first hooks (33), first loops or the like integrally provided at an outer surface of the top rail structure (7) being provided at the inner rail (10)

14. The building element (1) according to any of the claims 11 to 13, characterized

by the bottom rail structure (8) comprising second hooks (34), second loops or the like integrally provided at an outer surface of the bottom rail structure (8), and

by the tension bands (32) being connected to the second hooks (34), second loops or the like.

15. The building element (1) according to claim 14, characterized

by the bottom rail structure (8) being a multipart structure comprising an outer rail (9) and an inner rail (10) that is between the outer rail (9) and the elongated insulating body (4) in the building element (1), and

by the second hooks (34), second loops or the like integrally provided at an outer surface of the bottom rail structure (8) being provided at the inner rail (10).

16. The building element (1) according to any of the claims 1 to 15, characterized

by the insulation layer (13) being made of solid thermal insulation material, and

by the solid thermal insulation material that the insulation layer (13) being made of forming the outer surface of the insulation layer (13).

17. The building element (1) according to any of the claims 1 to 16, characterized

by the insulation layer (13) has a first flat surface (49) adjoining the outer rail (9) in the insulation space (12),

by the insulation layer (13) has a second flat surface (50) adjoining the inner rail (10) in the insulation space (12),

by the insulation layer (13) has lateral side surfaces between (51) the first flat surface (49) and the second flat surface (50), and

by the fastening means (11) attaching the inner rail (10) to the outer rail (9) in said at least one of the top rail structure (7) and the bottom rail structure (8) being provided in said at least one of the top rail structure (7) and the bottom rail structure (8) at the lateral side surfaces (51) of the insulation layer (13).

18. The building element (1) according to any of the claims 1 to 17, characterized
by the outer surface of the insulation layer (13) provided in the insulation space (12) is in direct contact with both the outer rail (9) and with the inner rail (10).

19. The building element (1) according to any of the claims 1 to 18, characterized
by the insulation layer (13) provided in the insulation space (12) has a cross-section that essentially corresponds to a cross-section of the insulation space (12).

20. The building element (1) according to any of the claims 1 to 19, characterized

by the top rail structure (7) being a multipart structure comprising an outer rail (9) and an inner rail (10) that is between the outer rail (9) and the elongated insulating body (4) in the building element (1), and

by the outer rail (9) forming a flat upper surface of the building element (1).

21. The building element (1) according to any of the claims 1 to 20, characterized

by the bottom rail structure (8) being a multipart structure comprising an outer rail (9) and an inner rail (10) that is between the outer rail (9) and the elongated insulating body (4) in the building element (1), and

by the outer rail (9) forming a flat lower surface of the building element (1).

Drawing