EP4001535A1 - Panneau isolant - Google Patents

Panneau isolant Download PDF

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Publication number
EP4001535A1
EP4001535A1 EP21210073.9A EP21210073A EP4001535A1 EP 4001535 A1 EP4001535 A1 EP 4001535A1 EP 21210073 A EP21210073 A EP 21210073A EP 4001535 A1 EP4001535 A1 EP 4001535A1
Authority
EP
European Patent Office
Prior art keywords
insulating panel
metal sheet
mineral wool
folding
wool insulation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP21210073.9A
Other languages
German (de)
English (en)
Inventor
Jurij SMOLEJ
Borut Vezocnik
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Knauf Insulation doo
Original Assignee
Knauf Insulation doo
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Knauf Insulation doo filed Critical Knauf Insulation doo
Publication of EP4001535A1 publication Critical patent/EP4001535A1/fr
Pending legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/92—Protection against other undesired influences or dangers
    • E04B1/94—Protection against other undesired influences or dangers against fire
    • E04B1/941—Building elements specially adapted therefor
    • E04B1/943—Building elements specially adapted therefor elongated
    • E04B1/944—Building elements specially adapted therefor elongated covered with fire-proofing material
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • E04B1/78—Heat insulating elements
    • E04B1/80—Heat insulating elements slab-shaped

Definitions

  • the present invention provides an insulating panel as defined in claim 1. Additional aspects of the invention are defined in independent claims. The dependent claims define preferred and/or alternative embodiments.
  • the bands of mineral wool insulation are referred to in positional order, i.e. the second band is located between the first and the third bands.
  • the term "the last band of mineral wool insulation” is used herein to indicate the exterior band of mineral wool at the opposite transverse edge of the insulating panel to the first band of mineral wool, for example, the second band of mineral wool insulation of an insulating panel having two (and only two) bands of mineral wool insulation, the third band of mineral wool insulation of an insulating panel having three (and only three) bands of mineral wool insulation, and so on.
  • transverse direction in relation to an insulating panel is used to denote a direction and/or dimension perpendicular to its length.
  • top and bottom in relation the insulating panel and its constituent parts, for example top edge or bottom edge, are used herein to indicate relative positions along the axle direction of the insulating panel.
  • the foldable insulating panel further comprises a third band which is secured at its external major surface to the exterior metal sheet of the insulating panel; the third band of mineral wool insulation extends along a length of the insulating panel and has a third interior metal sheet secured to its interior major surface; the third band of mineral wool insulation is spaced from the second band of mineral wool insulation by a second folding gap which is arranged along a second folding axis of the insulating panel.
  • a beam whose entire periphery is exposed along its length may be insulated using a foldable insulating panel having four (and only four) bands.
  • the foldable insulating panel comprises, in addition to the third band as described above, a fourth band of mineral wool insulation which is secured at its external major surface to the exterior metal sheet of the insulating panel; the fourth band of mineral wool insulation extends along a length of the insulating panel and has a fourth interior metal sheet secured to its interior major surface; the fourth band of mineral wool insulation is spaced from the third band of mineral wool insulation by a third folding gap arranged along a third folding axis of the insulating panel.
  • the continuous exterior metal sheet preferably extends transversely beyond the first band, to form a tongue, notably a foldable tongue.
  • the tongue may project by a distance which is ⁇ 5 mm and/or ⁇ 100 mm, notably ⁇ 10 mm and/or ⁇ 50 mm.
  • the tongue is intended to be used to overlap and to be secured to the exterior metal sheet at an adjacent band of mineral wool with which the first band of mineral wool abuts when arranged around the periphery of the beam.
  • the last band of mineral wool insulation of the insulating panel preferably has its exterior edge at a transverse side in the same position as, i.e.
  • Such a transverse overlap of the exterior metal sheet, either with the exterior metal sheet of another insulating panel or with the exterior metal sheet of the same insulating panel, is particularly helpful in avoiding or reducing thermal weaknesses in the insulating structure.
  • the tongue may be secured to the exterior metal sheet of an adjacent band over which it has been overlaid by fasteners, e.g. screws and/or by an adhesive.
  • a building beam arranged in a corner may be advantageously insulated using a foldable insulating panel which has two (and only two) bands of mineral wool insulation; an insulating panel particularly suitable for such use preferably has each of its first and last (i.e. second) bands of mineral wool insulation of the insulating panel having their respective exterior edges at their respective transverse sides in the same position as, i.e. aligned with, their respective transverse edge of the exterior metal sheet.
  • This facilitates securing the insulating panel in the corner of the building using a joining plate, for example in the form of a L-section strip, secured to the external metal sheet and to the building by fasteners, e.g.
  • the external metal sheet may extend transversely beyond one or each of the first and last bands to provide a tongue, notably a foldable tongue adapted to be secured to a surface of the building.
  • each band of mineral wool insulation is preferably rectangular.
  • the major surface of each band of mineral wool insulation has a length which is slightly less than the length of the exterior metal sheet.
  • the top edge of the exterior metal sheet projects slightly beyond the top edge of the band of mineral wool insulation in a lengthwise direction and/or the bottom edge of the exterior metal sheet projects slightly beyond the bottom edge of the band of mineral wool insulation in a lengthwise direction. This facilitates abutment of the mineral wool bands of adjacent insulating panels arranged along the length of a beam.
  • a folding weakness is preferably provided, notably at the continuous exterior metal sheet, the folding weakness defining the position of a folding axis and a position at which the exterior metal sheet will preferentially fold.
  • a folding weakness is provided at the continuous exterior metal sheet for each folding axis of the insulating panel. Such a folding weakness facilitates the folding of the insulating panel along the folding axis, notably by the user on site, without requiring tools.
  • the folding weakness is provided by scoring the exterior metal sheet and/or providing a groove or cut in the surface layer of the exterior metal sheet; such a folding weakness is preferably provided in the surface layer of the exterior metal sheet at which the mineral wool is or will be secured; in this way folding of the insulating panel will tend to close as opposed to open such a folding weakness.
  • the scoring, cutting or providing a groove in the exterior metal sheet may be performed when the exterior metal sheet is in a planar configuration, without bending of the exterior metal sheet. This facilitates manufacture.
  • the bands of mineral wool are preferably secured to the exterior metal sheet after provision of the folding weakness(es).
  • the folding weakness preferably extends along the entire length of the folding axis; this facilitates folding of the insulating panel from its flat-pack configuration to its folded configuration.
  • each interior metal sheet is preferably secured to the mineral wool insulation by an adhesive, notably an adhesive selected from: a polymer adhesive, a non-combustible adhesive, waterglass.
  • each metal sheet is secured to the mineral wool insulation by a polymer adhesive, preferably a PU adhesive.
  • Such a configuration may be used to facilitate folding of the insulating panel into its folded configuration whilst also allowing abutment of the adjacent interior metal sheets in the folded configuration.
  • the interior metal sheets are provided on the major interior surfaces of the bands of mineral wool such that, in the folded configuration of the insulating panel, each interior metal sheet forms an abutting contact with its adjacent interior metal sheet(s). This facilitates installation on site, facilitates fabrication tolerances and provides good performance.
  • the insulating panel positioned in direct contact with the building may be designed differently to the other insulating panels, notably in a way that enables fast replacement. This is notably due to the potential mechanical damage from vehicles or fork-lifts.
  • Such an insulating panel may also comprise a reinforcement portion adapted to resist mechanical damage.
  • the insulating panel positioned in direct contact with the building may be secured to the building, e.g. to a floor, wall or ceiling by a joining plate, for example in the form of a L-section strip, secured to the external metal sheet and to the building by fasteners, e.g. screws and/or by an adhesive.
  • the top edge of the exterior metal sheet and the bottom edge of the exterior metal sheet are configured to provide an interacting connection between the top edge of the exterior metal sheet of one folded insulating panel and the bottom edge of the exterior metal sheet of another insulating panel.
  • the interacting connection may be a friction fit and/or an interlocking fit.
  • the insulating panel may be configured such that the top edge of the exterior metal sheet lies in a plane parallel to but spaced from the plane of the major surface of the external metal sheet, notably spaced towards the interior of the insulating panel, preferably with the bottom edge of the exterior metal sheet lying in the same plane as the plane of the major surface of the exterior metal sheet.
  • the top edge of the exterior metal sheet of one insulating panel can be fitted inside the bottom exterior edge of an adjacent insulating panel along the length of the beam.
  • each of the top and bottom edges of the exterior metal sheet is provided with a folded edge provided by the metal sheet being folded through 180° to provide a folded flange on the interior surface of the metal sheet.
  • This facilitates the interacting connection and handling of the insulating panels.
  • an interacting connection is also provided between the top edge of the interior metal sheets of an insulating panel and the bottom edge of the interior metal sheets of adjacent insulating panels along the length of a beam, for example in the same way.
  • Such an interacting connection particularly when provided at both the exterior and interior metal sheets, provides enhanced stability and fire resistance.
  • the plug and socket type connection comprises an interference fit and/or a resilient spring fit to facilitate retentions together of two insulating panels; such a fit may be provided by suitable configuration e.g. bending of the exterior and/or interior metal sheet at the top and/or bottom edge.
  • the band(s) of mineral wool insulation may have a thickness of ⁇ 40mm, ⁇ 50mm, ⁇ 60mm or ⁇ 100mm and/or ⁇ 200mm, ⁇ 150mm, or ⁇ 120mm.
  • the band(s), notably all bands of the insulating panel have a thickness in the range 40-70mm, notably in the range 50-60mm.
  • the band(s), notably all bands of the insulating panel may have a thickness in the range 90-150 mm, notably in the range 100-120mm.
  • the insulating panel may have or provide a fire resistance of at least 20 minutes or at least 30 minutes or at least 60 minutes.
  • the insulating panel have or provide a fire resistance of at least 20 minutes or at least 30 minutes, at least 45 minutes, at least 60 minutes or at least 90 minutes or at least 120 minutes.
  • the first band 10 of the mineral wool insulation is arranged towards a first transverse edge 13 of the insulating panel 1 with a portion of the exterior metal sheet 30 projecting transversely beyond the first band 10 to form an abutment surface 17 and a foldable tongue 14.
  • the adjacent transverse edges 16,24 of the first 10 and second 20 bands of mineral wool are separated by a square cross-sectioned folding gap 31 at which, in this embodiment, no mineral wool insulation is provided at the exterior metal sheet 30.
  • the folding gap 31 runs continuously along the length I of the insulating panel and has a transverse dimension v which corresponds to the thickness of the first 10 and second 20 bands of mineral wool insulation.
  • the second interior metal sheet 21 is arranged on the second band of mineral wool insulation such that: i) a first transverse edge 23 of the second interior metal sheet 21 is spaced from a first transverse edge 24 of the second band of mineral wool, this edge 24 being adjacent to the folding gap 31, so that an exposed portion of the interior major surface of the second mineral wool panel 20 forms an exposed strip 32 having a dimension in the transverse direction equal to the thickness t of the first band of mineral wool insulation, the exposed strip 32 running adjacent to the folding gap 31 in the lengthwise direction of the insulating panel; and ii) a second transverse edges 25 of the second interior metal sheet is aligned with a second transverse edge 26 of the insulating panel.
  • the insulating panel of Figs 1 and 2 has a panel folding axis 4 which extend the length of the insulating panel at the side of the folding gap 31 adjacent to the second band of mineral wool insulation 20.
  • a folding weakness (not shown) at the folding axis 4 is provided by scoring the interior surface of the exterior metal sheet 30 along the folding axis 4 so that when it is desired to fold the insulating panel 1 from its flat-pack configuration to its folded configuration, the insulating panel will preferentially bend around the folding axis 4.
  • the notches 34 in the folded top 2 and bottom 3 edges, each of which is positioned at the folding axis 4, also contribute to providing the folding weakness.
  • Fig 3 illustrates the connection between two folded insulating panels arranged adjacent to each other along the length of a building beam (not shown).
  • the view corresponds to a cross section along line A-A of Fig 4 but without I-beam 6 being shown.
  • the insulating panels 1', 1′′′ are configured such that
  • each insulation panel 2', 2′′′ thus provides a plug connection which, when each of the insulating panels 1, 1′′′ is in its folded configuration, fits inside a socket connection provided by the bottom 3′,3′′′ of another, adjacent insulating panel 1′′′.
  • This plug and socket connection runs around the entire connection between insulation panels arranged adjacent to each other along the length of the building beam.
  • the socket connection at the top edge 2', 2′′′ of the insulating panel is provided, in this preferred embodiment, by folding of the exterior 30 and interior 21 metal sheets.
  • the socket connection is preferably provided as a sprung, interference fit for the plug connection; this facilitates retention once assembled and desired insulating performance.
  • each of the top 2', 2′′′ and bottom 3', 3′′′ edges of the exterior and interior metal sheets is provided with a folded edge provided by the metal sheet being folded through 180° to provide a folded flange on the interior surface of each metal sheet.
  • Fig 4 shows a pair of insulating panels 1' 1" which have been arranged at one position along the length of an I shaped structural metal beam 6 of a building.
  • Each of the first 1′ and second" insulating panels has been folded from its flat-pack configuration (as shown in Figs 1 and 2 ) to its folded configuration shown in Fig 4 by folding the exterior metal sheet 30', 30" of each insulating panel around its respective folding axis 4', 4", using the panel folding weakness provides at each folding axis 4', 4" to facilitate this, so that the first 10 and second 20 bands of mineral wool insulation are arranged at the interior of the folded insulating panel with the planes in which they lie intersecting at 90°.
  • the folding gap 31 has been closed so that the first 10' and second 20' band of mineral wool form an abutting contact 35 with the exterior metal sheet 30' providing an exterior surface of the folded insulating panel.
  • the two insulating panels 1',1" are assembled together as a pair of insulating panels around the entire periphery at one position along the length of the I beam 6 by, a) forming one corner of the assembly by i) arranging the second transverse edge 26' of the second insulating panel 1" adjacent to the first transverse edge 15 of the first band of mineral wool insulation 10' of the first insulating panel 1' so as to abut the interior face of the external metal sheet 30' of the first insulating panel 1′ at the abutment surface 17 and ii) securing the folded tongue 14' of the first insulating panel 1′ to the exterior metal sheet 30" of the second insulating panel, for example with screws (not shown) and b) forming the opposite corner of the assembly in an equivalent way.
  • the pair of insulating panels 1', 1" of Fig 4 are connected to a further, adjacent pair of insulating panels at an adjacent position along the length of the I beam 6 by means of the connections illustrated and described with reference to Fig 3 .
  • Fig. 5 shows an insulating panel 51 having three bands of mineral wool 52, 53, 54 in a folded configuration. This configuration is used to provide fire protection and insulation around a portion of a metal beam (not shown) enclosed within the interior 55 of the folded insulating panel 51.
  • L section metal profiles 56 arranged at each transverse edge of the insulating panel 51 are used to secure the insulating panel 51 to, for example a wall 57 along which the metal beam to be insulated runs.
  • Each metal profile 56 is attached by fasteners (not shown) to the wall 57 and to the exterior metal sheet of the insulating panel.
  • the exterior metal sheet 30 of the insulating panel 51 projects transversely beyond each of the first 52 and last 54 bands of mineral wool, each such projection forming a tongue which is folded about a folding axis to lie flat against the wall so that each tongue, and thus the insulating panel itself, may be secured to the wall 57 fastening each tongue to the wall, for example with screws. This avoids the need for separate attachment profiles 56.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Acoustics & Sound (AREA)
  • Building Environments (AREA)
EP21210073.9A 2020-11-24 2021-11-23 Panneau isolant Pending EP4001535A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB2018461.0A GB202018461D0 (en) 2020-11-24 2020-11-24 Insulating panel

Publications (1)

Publication Number Publication Date
EP4001535A1 true EP4001535A1 (fr) 2022-05-25

Family

ID=74046931

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21210073.9A Pending EP4001535A1 (fr) 2020-11-24 2021-11-23 Panneau isolant

Country Status (2)

Country Link
EP (1) EP4001535A1 (fr)
GB (1) GB202018461D0 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2409855A1 (fr) * 1977-11-24 1979-06-22 Chollet Jacques Element prefabrique destine notamment a la construction de gaines
US20060096652A1 (en) * 2002-06-24 2006-05-11 Saint-Gobian Isover Insulating panel for supply duct
EP1690996A2 (fr) * 2005-02-10 2006-08-16 Paroc Group Oy Ab Panneau sandwich et procédé de sa fabrication

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2409855A1 (fr) * 1977-11-24 1979-06-22 Chollet Jacques Element prefabrique destine notamment a la construction de gaines
US20060096652A1 (en) * 2002-06-24 2006-05-11 Saint-Gobian Isover Insulating panel for supply duct
EP1690996A2 (fr) * 2005-02-10 2006-08-16 Paroc Group Oy Ab Panneau sandwich et procédé de sa fabrication

Also Published As

Publication number Publication date
GB202018461D0 (en) 2021-01-06

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