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), a bottom rail structure (8) that that that forms at least a part of a lower surface of the building element (1), and tension bands (9) 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 (9).

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 that is easy to manufacture and transport.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 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 an external clip in a locking state, Figure 6 shows an external clip in a receiving state, Figure 7 shows an external clip in a locking state, Figure 8 shows an external clip in a locking state when a bar is received by the external clip, Figure 9 shows an embodiment of a bottom rail structure to which a compression distribution element holding rail is connected, Figure 10 shows an embodiment of a bottom rail structure to which a compression distribution element holding rail is connected, Figure 11 shows an embodiment of a bottom rail structure to which a bar holder rail is connected, Figure 12 shows an embodiment of a bottom rail structure to which a compression distribution element holding rail is connected, Figure 13 shows that was in shown in figure 12 in exploded view, Figure 14 shows an embodiment of a top rail structure to which a bar holder rail is connected, Figure 15 shows that was in shown in figure 14 in exploded view, Figure 16 shows in cross-section an embodiment of a top rail structure or of a bottom rail structure, Figure 17 shows a version of a bar rail holder section, Figure 18 shows a third embodiment of the building element, Figure 19 shows the third embodiment of the building element shown in figure 18 in section view, Figure 20 shows the third embodiment of the building element shown in figure 18 in exploded view, and Figure 21 shows the third embodiment of the building element shown in figure 18 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 an upper surface (not marked with a reference numeral) 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. The top rail structure 7 can for example have a U- or a trapezoid shaped cross-section.

[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 lower surface (not marked with a reference numeral) 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. The bottom rail structure 8 can for example have a U- or a trapezoid shaped cross-section.

[0011] It is possible, as illustrated in figure 16, that at least one of the top rail structure 7 and the bottom rail structure 8 have a first web structure 48 and two first flanges 25 projecting from the first web structure. The first web structure 48 and the two first flanges 25 limits a first open channel (not marked with a reference numeral). The elongated insulating body 4 is partly arranged in the first open channel. One of the two first flanges 25 covers partly the first side 5 of the elongated insulating body 4. The other of the two first flanges 25 covers partly the second side 6 of the elongated insulating body 4.

[0012] The building element 1 comprises tension bands 9 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 9.

[0013] The tension bands 9 unifies the top rail structure 7, the bottom rail structure 8 and the elongated insulation body 4 and the possible later in this text presented bar holder rail(s) 14 and the possible later in this text presented compression distribution element holding rail(s) 38 together so that the top rail structure 7, the bottom rail structure 8 and the elongated insulation body 4 and the possible later in this text presented bar holder rail(s) 14 and the possible later in this text presented compression distribution element holding rail(s) 38 are connected with each other and acting as one system.

[0014] The tension bands 9 are preferably, but not necessarily, inflexible. The tension bands 9 can for example be tension straps provided with apertures 50, zip ties, cable ties, or the like which are preferably, but not necessarily, made of polymer.

[0015] The tension bands 9 are preferably, but not necessarily, in the form of parts separated from the top rail structure 7 and from the bottom rail structure 8.

[0016] The tension bands 9 are preferably, but not necessarily, in the form of parts separated from the possible later in this text presented bar holder rail(s) 14 and in the form of parts separated from the possible later in this text presented compression distribution element holding rail(s) 38.

[0017] The length of the tension bands 9 are preferably, but not necessarily, adjustable and / or selectable so that the elongated insulating body 4 and the possible later in this text presented bar holder rail(s) 14 and the possible later in this text presented compression distribution element holding rail(s) 38 can be properly pressed between the top rail structure 7 and the bottom rail structure 8 and the tension bands 9.

[0018] The tension bands 9 can circumvent the top rail structure 7, the bottom rail structure 8 and the elongated insulation body 4.

[0019] It is also possible that tension bands 9 are at the first side 5 of the elongated insulation body 4 connected between the top rail structure 7 and the bottom rail structure 8 and that tension bands 9 are at the second side 6 of the elongated insulation body 4 connected between the top rail structure 7 and the bottom rail structure 8. In such case the top rail structure 7 can comprise first hooks 10, first loops or the like integrally provided at an outer surface of the top rail structure 7 and the tension bands 9 can be connected to the first hooks 10, first loops or the like. In such case the bottom rail structure 8 can comprise second hooks 11, second loops or the like integrally provided at an outer surface of the bottom rail structure 8 and the tension bands 9 can be connected to the second hooks 11, second loops or the like.

[0020] If the top rail structure 7 comprise first hooks 10, first loops or the like integrally provided at an outer surface of the top rail structure 7 and / or the bottom rail structure 8 comprise second hooks 11, second loops or the like integrally provided at an outer surface of the bottom rail structure 8, the tension bands 9 are preferably, but not necessarily, tension straps provided with apertures 50 configured to be penetrated by the first hooks 10, first loops or the like and / or by the second hooks 11, second loops or the like.

[0021] It is also possible that tension bands 9 are at the first side 5 of the elongated insulation body 4 connected between one of a bar holder rail 14 and a compression distribution element holding rail 38 attached to the top rail structure 7 and one of a bar holder rail 14 and a compression distribution element holding rail 38 attached to the bottom rail structure 8 and that tension bands 9 are at the second side 6 of the elongated insulation body 4 connected between said one of a bar holder rail 14 and a compression distribution element holding rail 38 attached to the top rail structure 7 and said one of a bar holder rail 14 and a compression distribution element holding rail 38 attached to the bottom rail structure 8. In such case said one of a bar holder rail 14 and a compression distribution element holding rail 38 attached to the top rail structure 7 can comprise first hooks 10, first loops or the like integrally provided at said one of a bar holder rail 14 and a compression distribution element holding rail 38 attached to the top rail structure 7, and the tension bands 9 can be connected to the first hooks 10, first loops or the like. In such case, said one of a bar holder rail 14 and a compression distribution element holding rail 38 attached to the bottom rail structure 8 can comprise second hooks 11, second loops or the like integrally provided at said one of a bar holder rail 14 and a compression distribution element holding rail 38 attached to the bottom rail structure 8, and the tension bands 9 can be connected to the second hooks 11, second loops or the like In such case, the tension bands 9 are preferably, but not necessarily, tension straps provided with apertures 50 configured to be penetrated by the first hooks 10, first loops or the like and / or by the second hooks 11, second loops or the like.

[0022] The elongated insulating body 4 can comprise several separate elongated insulating parts 12 assembled together to form said elongated insulating body 4.

[0023] At least two of said several separate elongated insulating parts 12 can be assembled together without using adhesive or the like. This makes the production of the building element 1 easier and is possible by the provision of the tension bands 9, which unifies the top rail structure 7, the bottom rail structure 8 and the elongated insulation body 4 and the possible later in this text presented bar holder rail(s) 14 and the possible later in this text presented compression distribution element holding rail(s) 38 together so that the top rail structure 7, the bottom rail structure 8 and the elongated insulation body 4 and the possible later in this text presented bar holder rail(s) 14 and the possible later in this text presented compression distribution element holding rail(s) 38 are connected with each other and acting as one system.

[0024] At least two of said several separate elongated insulating parts 12 can be separated by an inclined division plane 47.

[0025] 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, the shear bars can extend diagonally through the elongated insulating body 4 between separate elongated insulating parts 12 in the inclined division plane 47.

[0026] 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 third embodiment of the building element shown in figures 18 to 21, the shear bars can extend diagonally through the elongated insulating body 4 in cuts 49 provided in the elongated insulating body 4

[0027] The building element 1 can comprise bars 13, which extend through the building element 1 and which are configured to transfer forces, such as shear or tension forces, between the building part 2 and the projecting exterior part 3, and the bars 13 can be connected to a bar holder rail 14 that extends in the direction of the top rail structure 7 and the bottom rail structure 8.

[0028] The building element 1 has preferably, but not necessarily, an elongated form with opposite ends. The bar holder rail 14 extends preferably, but not necessarily, from one opposite end to the other opposite end of the building element 1.

[0029] The building element 1 can comprise several bar holder rails 14.

[0030] The bar holder rail(s) 14 allows for easy providing of the building element 1 at various locations of the building element 1 with bars 13 such as tension or shear bars for transferring forces between the building part 2 and the projecting exterior part 3.

[0031] At least some of the bars 13 can be connected to a bar holder rail 14 by means of external clips 15. The external clips 15 can comprise snap fit means 43 for connecting the external clips 15 to the bar holder rail 14.

[0032] The external clips 15 can, as illustrated in figures 5 to 8, comprise two parallel sections 16 attached to the bar holder rail 15 and a connecting section 17 that connects the two parallel sections 16 so that the bar 13 is pressed between the connecting section 17 and the two parallel sections 16.

[0033] The connecting section 17 can function a living hinge connecting the two parallel sections 16 together so that the external clip 15 can, as illustrated in figure 6, be brought into a receiving state where the two parallel sections 16 are spaced apart from each other and where a bar 13 can be brough between the two parallel sections 16 into contact with the connecting section 17, and into a locking state where the two parallel sections 16 are in contact with each other and where the bar 13 is pressed between the connecting section 17 and the two parallel sections 16, as illustrated for example in figure 8.

[0034] The two parallel sections 16 can be provided with snap retainers 18 for connecting the two parallel sections 16 together in the locking state.

[0035] The connecting section 17 can form in the external clip 15 together with the two parallel section 16 a channel 19 that has partly a semi-tubular configuration, and that extend in an angle with respect to the bar holder tail 14.

[0036] The external clips 15 can be made of polymer, plastic, metal or textile.

[0037] At least some of the bars 13 can be connected to a bar holder rail 14 by means of bar fastening means 44 integrally formed at the bar holder rail 14.

[0038] The bar holder rail 14 can comprise bar rail holder sections 20. In such case, the bar rail holder sections 20 form together the bar holder rail 14. Forming the bar holder rail 14 of bar rail holder sections 20 makes it easier to make building elements 1 of different lengths by using in the building element a number of bar rail holder sections 20 having a standardized length to provide a bar holder rail 14 having a desired length.

[0039] Adjacent bar rail holder sections 20 can be connected end to end with first connection means 21 to each other to form the bar holder rail 14.

[0040] At least some of the first connection means 21 can be integrally formed at the bar rail holder sections 20. The first connection means 21 can for example comprise a male snap-fit edge 41 provided at some bar rail holder sections 20 and a co-operating female snap-fit edge 42 provided at other bar rail holder sections 20.

[0041] At least some of the first connection means 21 can be external fastening means.

[0042] The length of the top rail structure 7 and the bottom rail structure 8 to length of the bar rail holder sections 20 is preferably, but not necessarily, one of 1 to 2, 1 to 3, 1 to 4, 1 to 5, and 1 to 6.

[0043] The bar holder rail 14 is preferably, but not necessarily, in the form of a separate part which is formed unintegrally from the top rail structure 7 and the bottom rail structure 8.

[0044] The bar holder rail 14 is preferably, but not necessarily, in the form of a separate part which is formed nonintegrally with the top rail structure 7 and with the bottom rail structure 8.

[0045] The bar holder rail 14 is preferably, but not necessarily, in the form of a part separated from the top rail structure 7 and from the bottom rail structure 8.

[0046] The bar holder rail 14 can comprise two parallel second flanges 44.

[0047] At least one of the two parallel second parallel flanges 44 can be provided with slits 45 to allow passage of bars 13 through the two parallel second parallel flanges 44.

[0048] The two parallel second flanges 44 can be connected by a first web 46. The two parallel second flanges 44 and the first web 46 can form a H-shaped form for the bar holder rail 10 so that the bar holder rail 10 has a second open channel 47 formed by two parallel second flanges 44 and the second web 46 and so that the elongated insulating body 4 is partly received in the second open channel 47.

[0049] The bar holder rail 14 can, as in the first embodiment of the building element 1 illustrated in figures 1 to 3, or if the building element 1 comprises several bar holder rails 14, one bar holder rail 14 can, be attached to the top rail structure 7 by means of first rail fastening means 22 so that between the bar holder rail 14 and top rail structure 7 a top insulation space 23 is formed so that the top insulation space 23 is partly limited by the bar holder rail 14 and partly limited by the top rail structure 7, wherein a top insulation 24 is provided in the top insulation space 23.

[0050] In the first embodiment of the building element 1 illustrated in figures 1 to 3, the bar holder rail 14 that is attached to the top rail structure 7 is between the top insulation 24 provided in the top insulation space 23 and the elongated insulating body 4. In the first embodiment of the building element 1 illustrated in figures 1 to 3, the bar holder rail 14 that is attached to the top rail structure 7 is in direct contact with both the top insulation 24 provided in the top insulation space 23 and with the elongated insulating body 4.

[0051] The top insulation 24 can at least partly be made of expanded or extruded polystyrene, foamglass, silcate, mineral foam or mineral wool.

[0052] At least some of the first rail fastening means 22 can be integrally provided at the bar holder rail 14 and at the top rail structure 7. The first rail fastening means 22 can for example comprise a male snap-fit edges 41 provided at one of the bar holder rail 14 and the top rail structure 7 and a co-operating female snap-fit edge 42 provided at the other of the bar holder rail 14 and the top rail structure 7.

[0053] At least some of the first rail fastening means 22 can be external fastening means (not illustrated in the figures).

[0054] If the building element 1 comprises a bar holder rail 14 can be attached to the top rail structure 7, tension bands 9 configured to force the top rail structure 7 and the bottom rail structure 8 towards each other can at the first side 5 of the elongated insulation body 4 be connected to the bar holder rail 14 attached to the top rail structure 7, and tension bands 9 can at the second side 6 of the elongated insulation body 4 be connected to the bar holder rail 14 attached to the top rail structure 7. In such case the bar holder rail 14 attached to the top rail structure 7 can comprise first hooks 10, first loops or the like integrally provided at the bar holder rail 14 attached to the top rail structure 7, and the tension bands 9 can be connected to the first hooks 10, first loops or the like. In such case, the tension bands 9 are preferably, but not necessarily, tension straps provided with apertures 50 configured to be penetrated by the first hooks 10, first loops or the like.

[0055] The elongated insulating body 4 of the building element 1 can comprise a first insulating body part 26 that can adjoin the top rail structure 7 and a second insulating body part 27 that can adjoin the top rail structure 7, and the bar holder rail 14 can, or if the building element 1 comprises several bar holder rails 14, one bar holder rail 14 can, be arranged between the first insulating body part 26 and the second insulating body part 27 so that the bar holder rail 14 being spaced apart from top rail structure 7 and from the bottom rail structure 8.

[0056] The bar holder rail 14 can, or if the building element 1 comprises several bar holder rails 14, one bar holder rail 14 can, be attached to the bottom rail structure 8 by means of second rail fastening means 28 so that between the bar holder rail 14 and bottom rail structure 8 a bottom insulation space 29 is formed so that the bottom insulation space 29 is partly limited by the bar holder rail 14 and partly limited by the bottom rail structure 8, wherein a bottom insulation 30 can be provided in the bottom insulation space 29. In such embodiments of the building element 1, the bar holder rail 14 that is attached to the bottom rail structure 8 is between the bottom insulation 30 provided in the bottom insulation space 29 and the elongated insulating body 4. In such embodiments of the building element 1, the bar holder rail 14 that is attached to the bottom rail structure 8 is in direct contact with both the bottom insulation 30 provided in the bottom insulation space 29 and with the elongated insulating body 4.

[0057] If the building element 1 comprises a bar holder rail 14 can be attached to the bottom rail structure 8, tension bands 9 configured to force the top rail structure 7 and the bottom rail structure 8 towards each other can at the first side 5 of the elongated insulation body 4 be connected to the bar holder rail 14 attached to the bottom rail structure 8, and tension bands 9 can at the second side 6 of the elongated insulation body 4 be connected to the bar holder rail 14 attached to the bottom rail structure 8. In such case the bar holder rail 14 attached to bottom rail structure 8 can comprise second hooks 11, second loops or the like integrally provided at the bar holder rail 14 attached to the bottom rail structure 8, and the tension bands 9 can be connected to the second hooks 11, first loops or the like. In such case, the tension bands 9 are preferably, but not necessarily, tension straps provided with apertures 50 configured to be penetrated the second hooks 11, second loops or the like.

[0058] The bottom insulation 30 can least partly be made of expanded or extruded polystyrene, foamglass, silcate, mineral foam or mineral wool.

[0059] At least some of the second rail fastening means 28 can be integrally provided at the bar holder rail 14 and at the bottom rail structure 8. The second rail fastening means 28 can for example comprise a male snap-fit edge 41 provided at one of the bar holder rail 14 and the bottom rail structure 8 and a co-operating female snap-fit edge 42 provided at the other of the bar holder rail 14 and the bottom rail structure 8.

[0060] At least some of the second rail fastening means 28 can be external fastening means (not illustrated in the figures).

[0061] At least some of the bars 13 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.

[0062] At least some of the bars 13 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.

[0063] The bar holder rail 14 can be provided with compression distribution elements 32.

[0064] The compression distribution elements 32 can comprise lost molds 33 and compression-resistant material 34 such as concrete, for example fiber reinforced ultra-high performance concrete or mortar, cast in the lost molds 33, wherein the compression distribution elements 32 are configured to transfer compression forces between the building part 2 and the projecting exterior part 3. The lost molds 33 are preferably, but not necessarily, made of polymer. The lost molds 33 can consist of polymer so that the compression distribution elements 32 consist of compression-resistant material 34, such as concrete, for example fiber reinforced ultra-high performance concrete or mortar, cast in the lost molds 33, and the polymer of the lost molds 33.

[0065] At least some of the lost molds 33 can be integrally formed with the bar holder rail 14.

[0066] At least some of the lost molds 33 can be fastened to the bar holder rail 14.

[0067] Spaces 35 can be formed between adjacent compression distribution elements 32 in the bar holder rail 14, and insulating blocks 36 can be provided in the spaces 35. The insulation blocks 36 can at least partly be made of expanded or extruded polystyrene, foamglass, silcate, mineral foam or mineral wool.

[0068] It is also possible that the compression distribution elements 32 are made of steel.

[0069] At least one end of at least one bar 13 can be provided with a head 37.

[0070] The bar holder rail 14 can be being made of polymer.

[0071] The building element 1 can comprise compression distribution elements 32 comprising lost molds 33 and compression-resistant material 34 such as concrete, for example fiber reinforced ultra-high performance concrete or mortar, cast in the lost molds 33, wherein the compression distribution elements 32 are configured to transfer compression forces between the building part 2 and the projecting exterior part 3, and wherein the building element 1 comprises a compression distribution element holding rail 38 at which the compression distribution elements 32 are provided and which is provided as a separate part from the bar holder rail 14.

[0072] The building element 1 has preferably, but not necessarily, an elongated form with opposite ends. The compression distribution element holding rail 38 extends preferably, but not necessarily, from one opposite end to the other opposite end of the building element 1.

[0073] The building element 1 can comprise several compression distribution element holding rails 38.

[0074] The compression distribution element holding rail(s) 38 allows for easy providing of the building element 1 at various locations of the building element 1 with compression distribution elements 32 for transferring compression forces between the building part 2 and the projecting exterior part 3.

[0075] The compression distribution element holding rail 38 can comprise compression distribution element holding rail sections 39 together forming the compression distribution element holding rail 38. Forming the compression distribution element holding rail 38 of compression distribution element holding rail sections 39 makes it easier to make building elements 1 of different lengths by using in the building element a number of compression distribution element holding rail sections 39 having a standardized length to provide a compression distribution element holding rail 38 having a desired length.

[0076] The number of compression distribution elements 32 in a compression distribution element holding rail section 39 can for example be 2 to 6, preferably 3 to 5, such as 4.

[0077] Adjacent compression distribution element holding rail sections 39 can be connected end to end with first connection means 40 to each other to form the compression distribution element holding rail 38.

[0078] At least some of the first connection means 40 can be integrally formed at the compression distribution element holding rail sections 39. The first connection means 40 can for example comprise a male snap-fit edge 41 provided at some of the compression distribution element holding rail sections 39 and a co-operating female snap-fit edge 42 provided at others of the compression distribution element holding rail sections 39.

[0079] At least some of the first connection means 40 can be external fastening means (not illustrated in the figures).

[0080] The length of the top rail structure 7 and the bottom rail structure 8 to length of compression distribution element holding rail sections 39 is preferably, but not necessarily, one of 1 to 2, 1 to 3, 1 to 4, 1 to 5, and 1 to 6.

[0081] At least some of the lost molds 33 can be integrally formed with the compression distribution element holding rail 38.

[0082] At least some of the lost molds 33 can be fastened to the compression distribution element holding rail 38.

[0083] The bar compression distribution element holding rail 38 can comprise two parallel third flanges 50.

[0084] The two parallel third flanges 50 can be connected by a web (not illustrated in the figures).

[0085] If the compression distribution element holding rail 38 is provided with integrated compression distribution elements 32 comprising lost molds 33, the lost molds 33 extends preferably, but not necessarily, in parallel between the two parallel third flanges 50 and beyond the two parallel third flanges 50.

[0086] The lost molds 33 comprises preferably, but not necessarily, a surrounding lateral wall 31 and a bottom (not marked with a reference numeral).

[0087] The height of the surrounding lateral wall 31 of the lost molds 33 can be the same as the height of the two parallel third flanges 50.

[0088] It is also possible that the height of the surrounding lateral wall 31 of the lost molds 33 is more than twice the height of the two parallel third flanges 50, as illustrated in figure 12. This allows to cast and to make the compression distribution elements 32 higher and to make the compression distribution elements 32 capable of transferring shear force between the building part 2 and the projecting exterior part 3. This can make the provision of bars 13 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.

[0089] The compression distribution element holding rail 38 is preferably, but not necessarily, in the form of a separate part which is formed unintegrally from the top rail structure 7 and the bottom rail structure 8.

[0090] The compression distribution element holding rail 38 is preferably, but not necessarily, in the form of a separate part which is formed non-integrally with the top rail structure 7 and with the bottom rail structure 8.

[0091] The compression distribution element holding rail 38 is preferably, but not necessarily, in the form of a part separate from top rail structure 7 and from the bottom rail structure 8.

[0092] The compression distribution element holding rail 38 can, or if the building element 1 comprises compression distribution element holding rails 38, one compression distribution element holding rail 38 can, be attached to the top rail structure 7 by means of first rail fastening means 22 so that between the compression distribution element holding rail 38 and top rail structure 7 a top insulation space 23 is formed so that the top insulation space 23 is partly limited by the compression distribution element holding rail 38 and partly limited by the top rail structure 7, wherein a top insulation 24 can be provided in the top insulation space 23. In such embodiments of the building element 1, the compression distribution element holding rail 38 that is attached to the top rail structure 7 is between the top insulation 24 provided in the top insulation space 23 and the elongated insulating body 4. In such embodiments of the building element 1, the compression distribution element holding rail 38 that is attached to the top rail structure 7 is in direct contact with both the top insulation 24 provided in the top insulation space 23 and with the elongated insulating body 4.

[0093] The top insulation 24 can at least partly be made of expanded or extruded polystyrene, foamglass, silcate, mineral foam or mineral wool.

[0094] At least some of the first rail fastening means 22 can be integrated co-operating fastening means provided at the compression distribution element holding rail 38 and at the top rail structure 7. The first rail fastening means 22 can for example comprise a male snap-fit edge 41 provided at the compression distribution element holding rail 38 and at the top rail structure 7 and a co-operating female snap-fit edge 42 provided at the compression distribution element holding rail 38 and at the top rail structure 7.

[0095] At least some of the first rail fastening means 22 can be external fastening means (not illustrated in the figures).

[0096] If the building element 1 comprises a compression distribution element holding rail 38 attached to the top rail structure 7, tension bands 9 configured to force the top rail structure 7 and the bottom rail structure 8 towards each other can at the first side 5 of the elongated insulation body 4 be connected to the compression distribution element holding rail 38 attached to the top rail structure 7, and tension bands 9 can at the second side 6 of the elongated insulation body 4 be connected to the compression distribution element holding rail 38 attached to the top rail structure 7. In such case, the compression distribution element holding rail 38 attached to the top rail structure 7 can comprise first hooks 10, first loops or the like integrally provided at the compression distribution element holding rail 38 attached to the top rail structure 7, and the tension bands 9 can be connected to the first hooks 10, first loops or the like. In such case, the tension bands 9 are preferably, but not necessarily, tension straps provided with apertures 50 configured to be penetrated by the first hooks 10, first loops or the like.

[0097] The elongated insulating body 4 of the building element 1 can comprise a first insulating body part 26 that can adjoin the top rail structure 7 and a second insulating body part 27 that can adjoin the top rail structure 7, and the compression distribution element holding rail 38 can, or if the building element 1 comprises compression distribution element holding rails 38, one compression distribution element holding rail 38 can be arranged between the first insulating body part 26 and the second insulating body part 27 so that the compression distribution element holding rail 38 being spaced apart from top rail structure 7 and from the bottom rail structure 8 as illustrated in figure 4.

[0098] The compression distribution element holding rail 38 can, as in the first embodiment of the building element 1 illustrated in figures 1 to 3, or if the building element 1 comprises compression distribution element holding rails 38, one compression distribution element holding rail 38 can, be attached to the bottom rail structure 8 by means of second rail fastening means 28 so that between the compression distribution element holding rail 38 and bottom rail structure 8 a bottom insulation space 29 is formed so that the bottom insulation space 29 is partly limited by the compression distribution element holding rail 38 and partly limited by the bottom rail structure 8, wherein, and a bottom insulation 30 can be provided in the bottom insulation space 29. In such embodiments of the building element 1, the compression distribution element holding rail 38 that is attached to the top rail structure 7 is between the top insulation 24 provided in the top insulation space 23 and the elongated insulating body 4. In such embodiments of the building element 1, the compression distribution element holding rail 38 that is attached to the top rail structure 7 is in direct contact with both the top insulation 24 provided in the top insulation space 23 and with the elongated insulating body 4.

[0099] At least some of the second rail fastening means 28 can be integrally provided at the compression distribution element holding rail 38 and at the bottom rail structure 8. The second rail fastening means 28 can for example comprise a male snap-fit edge 41 provided at one of the compression distribution element holding rail 38 and the bottom rail structure 8 and a co-operating female snap-fit edge 42 provided at the other of the compression distribution element holding rail 38 and the bottom rail structure 8.

[0100] At least some of the second rail fastening means 28 can be external fastening means (not illustrated in the figures).

[0101] The bottom insulation 30 can at least partly made of expanded or extruded polystyrene, foamglass, silcate, mineral foam or mineral wool.

[0102] The compression distribution element holding rail 38 can be made of polymer.

[0103] Spaces 35 can be provided between adjacent compression distribution elements 32 in the compression distribution element holding rail 38, and insulating blocks 36 can provided in the spaces 35. The insulation blocks 36 can at least partly be made of expanded or extruded polystyrene, foamglass, silcate, mineral foam or mineral wool.

[0104] If the building element 1 comprises a compression distribution element holding rail 38 attached to the bottom rail structure 8, tension bands 9 configured to force the top rail structure 7 and the bottom rail structure 8 towards each other can at the first side 5 of the elongated insulation body 4 be connected to the compression distribution element holding rail 38 attached to bottom rail structure 8, and tension bands 9 can at the second side 6 of the elongated insulation body 4 be connected to the compression distribution element holding rail 38 attached to the bottom rail structure 8. In such case, the compression distribution element holding rail 38 attached to the bottom rail structure 8 can comprise second hooks 11, second loops or the like integrally provided at the compression distribution element holding rail 38 attached to the bottom rail structure 8, and the tension bands 9 can be connected to the second hooks 11, second loops or the like. In such case, the tension bands 9 are preferably, but not necessarily, tension straps provided with apertures 50 configured to be penetrated the second hooks 11, second loops or the like.

[0105] The top rail structure 7 can at least partly be made of polymer.

[0106] The bottom rail structure 8 can at least partly be made of polymer.

[0107] The elongated insulating body 4 can at least partly be made of expanded or extruded polystyrene, foamglass, silcate, mineral foam or mineral wool.

[0108] The length of top rail structure 7 is preferably, but not necessarily, the same as the length of bottom rail structure 8.

[0109] The length of the bottom rail structure 8 and of the length of top rail structure 7 is preferably, but not necessarily, the same as the length of elongated insulating body 4.

[0110] 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. 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) that that that forms at least a part of a lower surface of the building element (1), characterized by tension bands (9) 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 (9).

2. The building element (1) according to claim 1, characterized by the top rail structure (7) comprising first hooks (10), first loops or the like integrally provided at an outer surface of the top rail structure (7), and by the tension bands (9) being connected to the first hooks (10), first loops or the like.

3. The building element (1) according to claim 1 or 2, characterized by the bottom rail structure (8) comprising second hooks (11), second loops or the like integrally provided at an outer surface of the bottom rail structure (8), and by the tension bands (9) being connected to the second hooks (11), second loops or the like.

4. The building element (1) according to any of the claims 1 to 3, characterized by bars (13), 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).

5. The building element (1) according to claim 4, characterized by the bars (13) being connected to a bar holder rail (14) that extends in the direction of the top rail structure (7) and the bottom rail structure (8).

6. The building element (1) according to claim 5, characterized by the bar holder rail (14) being attached to the top rail structure (7) by means of first rail fastening means (22) so that between the bar holder rail (14) and top rail structure (7) a top insulation space (23) is formed, by the top insulation space (23) being partly limited by the bar holder rail (14) and partly limited by top rail structure (7), and by a top insulation (24) in the top insulation space (23).

7. The building element (1) according to claim 6, characterized by tension bands (9) being at the first side (5) of the elongated insulation body (4) connected to the bar holder rail (14) attached to the top rail structure (7), and by tension bands (9) being at the second side (6) of the elongated insulation body (4) connected to the bar holder rail (14) attached to the top rail structure (7).

8. The building element (1) according to claim 6 or 7, characterized by the bar holder rail (14) attached to the top rail structure (7) comprising first hooks (10), first loops or the like integrally provided at the bar holder rail (14) attached to the top rail structure (7), and by the tension bands (9) are connected to the first hooks (10), first loops or the like.

9. The building element (1) according to claim 8, characterized by the tension bands (9) are tension straps provided with apertures (50) configured to be penetrated by the first hooks (10), first loops or the like.

10. The building element (1) according to any of the claims 5 to 9, characterized by the tension bands (9) are in the form of parts separated from the bar holder rail (14).

11. The building element (1) according to any of the claims 4 to 10, characterized by at least some of the bars (13) being tension bars, which extend diagonally through the building element (1) and which are configured to transfer tension forces between the building part (2) and the projecting exterior part (3).

12. The building element (1) according to any of the claims 4 to 11, characterized by at least some of the bars (13) being 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).

13. The building element (1) according to any of the claims 1 to 12, characterized by compression distribution elements (32) comprising lost molds (33) and compression-resistant material (34) cast in the lost molds (33), wherein the compression distribution elements (32) are configured to transfer compression forces between the building part (2) and the projecting exterior part (3), and by a compression distribution element holding rail (38) at which the compression distribution elements (32) are provided14. The building element (1) according to claim 13, characterized by at least some of the lost molds (33) being integrally formed with the compression distribution element holding rail (38).

15. The building element (1) according to claim 13 or 14, characterized by the compression distribution element holding rail (38) being attached to the bottom rail structure (8) by means of second rail fastening means (28) so that between the compression distribution element holding rail (38) and bottom rail structure (8) a bottom insulation space (29) is formed, by the bottom insulation space (29) being partly limited by the compression distribution element holding rail (38) and partly limited by the bottom rail structure (8), and by a bottom insulation (30) in the bottom insulation space (29).

16. The building element (1) according to claim 15, characterized by tension bands (9) being at the first side (5) of the elongated insulation body (4) connected to the compression distribution element holding rail (38) attached to the bottom rail structure (8), and by tension bands (9) being at the second side (6) of the elongated insulation body (4) connected to the compression distribution element holding rail (38) attached to the bottom rail structure (8).

17. The building element (1) according to claim 15 or 16, characterized by the compression distribution element holding rail (38) attached to the bottom rail structure (8) comprising second hooks (11), second loops or the like integrally provided at the compression distribution element holding rail (38) attached to bottom rail structure (8), and by the tension bands (9) being connected to the second hooks (11), second loops or the like.

18. The building element (1) according to claim 17, characterized by the tension bands (9) are tension straps provided with apertures (50) configured to be penetrated by the second hooks (11), second loops or the like.

19. The building element (1) according to any of the claims 13 to 18, characterized by the tension bands (9) are in the form of parts separated from the compression distribution element holding rail (38).

20. The building element (1) according to any of the claims 1 to 19, characterized by the tension bands (9) are in the form of parts separated from the top rail structure (7) and from the bottom rail structure (8).

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