EP3184711A1 - Rock wool insulating panels, insulation system and installation method - Google Patents

Rock wool insulating panels, insulation system and installation method Download PDF

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Publication number
EP3184711A1
EP3184711A1 EP16205141.1A EP16205141A EP3184711A1 EP 3184711 A1 EP3184711 A1 EP 3184711A1 EP 16205141 A EP16205141 A EP 16205141A EP 3184711 A1 EP3184711 A1 EP 3184711A1
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EP
European Patent Office
Prior art keywords
groove
panel
longitudinal side
upper face
face
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.)
Granted
Application number
EP16205141.1A
Other languages
German (de)
French (fr)
Other versions
EP3184711B1 (en
Inventor
Daniela Pasquero
Fernand Cortella
Michel Guillon
Alexandre Bourdiaux
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.)
Rockwool AS
Original Assignee
Rockwool International AS
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Publication date
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Application filed by Rockwool International AS filed Critical Rockwool International AS
Priority to PL16205141T priority Critical patent/PL3184711T3/en
Publication of EP3184711A1 publication Critical patent/EP3184711A1/en
Application granted granted Critical
Publication of EP3184711B1 publication Critical patent/EP3184711B1/en
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage; Sky-lights
    • E04D13/16—Insulating devices or arrangements in so far as the roof covering is concerned, e.g. characterised by the material or composition of the roof insulating material or its integration in the roof structure
    • E04D13/1606—Insulation of the roof covering characterised by its integration in the roof structure
    • E04D13/1612—Insulation of the roof covering characterised by its integration in the roof structure the roof structure comprising a supporting framework of roof purlins or rafters
    • E04D13/1625—Insulation of the roof covering characterised by its integration in the roof structure the roof structure comprising a supporting framework of roof purlins or rafters with means for supporting the insulating material between the purlins or rafters
    • E04D13/1631—Insulation of the roof covering characterised by its integration in the roof structure the roof structure comprising a supporting framework of roof purlins or rafters with means for supporting the insulating material between the purlins or rafters the means deriving from the nature or the shape of the insulating material itself
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage; Sky-lights
    • E04D13/16—Insulating devices or arrangements in so far as the roof covering is concerned, e.g. characterised by the material or composition of the roof insulating material or its integration in the roof structure
    • E04D13/1606—Insulation of the roof covering characterised by its integration in the roof structure
    • E04D13/1612—Insulation of the roof covering characterised by its integration in the roof structure the roof structure comprising a supporting framework of roof purlins or rafters
    • E04D13/1637—Insulation of the roof covering characterised by its integration in the roof structure the roof structure comprising a supporting framework of roof purlins or rafters the roof purlins or rafters being mainly insulated from the interior, e.g. the insulating material being fixed under or suspended from the supporting framework

Definitions

  • the invention relates to insulating panels made of mineral wool, and in particular rock wool. Such insulating panels can be used on the underside of a roof.
  • a first layer of insulating panels is disposed between rafters of the frame and a second layer of insulating panels is disposed under the rafters and the first layer of insulating panels.
  • the insulating panels provide thermal and sound insulation for the use of the attic.
  • the invention improves the situation.
  • the invention proposes for this purpose an insulating panel having an upper face and a lower face.
  • the lower face is parallel and opposite to the upper face.
  • the panel has a first longitudinal side and a second longitudinal side, parallel and opposite the first longitudinal side.
  • the panel comprises a rock wool body of substantially uniform density.
  • At least one profiled groove is formed in said insulating panel from the upper face and the first longitudinal side.
  • Said groove is of rectangular section with a first surface parallel to the upper face and closer to the upper face than the lower face and a second surface parallel to the first longitudinal side.
  • the first longitudinal side is plane between the groove and the lower face.
  • the second longitudinal side is flat and extends continuously between the upper face and the face lower. The second surface of the groove extends continuously from the upper face.
  • a chevron may be housed in the groove while the second longitudinal side of the panel bears against another rafter.
  • the notch provides a localized decoupling function of two parts of the insulating panel in the direction of the thickness, the part between the two rafters on the one hand, and the part below the rafters on the other hand.
  • the region of the first part adjacent to the notch in the transverse direction may be slightly deformed, elastically and possibly plastically during the insertion between the two rafters. This ensures a good airtightness between each rafter and the insulation panel considered.
  • the deformation also favors the temporary retention of the panel before its final fixation. An operator can hold the panel with one hand while using the other hand to secure it.
  • a single panel provides the insulation function between the rafters and the insulation function under the rafters. The exposure time is greatly reduced. Only one operator can install the insulation board.
  • the panel has sufficient mechanical strength to admit reversible deformations under the application of pressure on the second surface of the groove, resulting from a hand laying. The maintenance of the panel between two rafters is facilitated.
  • At least one profiled notch is formed in said insulating panel from the second surface of the groove.
  • Said notch is of greater depth than its width.
  • Said notch has a first edge and a second edge parallel and opposite to the first edge. The first edge is closer to the lower face and the second edge is closer to the upper face. The first edge is coplanar with the first surface of the groove. The second surface of the groove extends continuously between the upper face and said notch. The ability to lateral elastic deformation is increased.
  • the second surface of the groove is planar and extends continuously between the top face and the first surface of the groove.
  • the groove is strictly rectangular. Manufacturing is simplified.
  • the body is of substantially homogeneous density.
  • the distance between the second surface and the first longitudinal side is less than the distance between the upper face and the first surface.
  • the good behavior of the panel is favored.
  • the density of the panel is between 20 and 80 kg / m 3 , preferably between 45 and 60 kg / m 3 , for example between 50 and 55 kg / m 3 . It can therefore have a clean shape and be placed easily by an operator.
  • the distance between the upper face and the lower face is between 100 and 600 mm, preferably between 150 and 300 mm. Quality insulation is ensured while enjoying a quick installation.
  • the distance between the first longitudinal side and the second longitudinal side is between 400 and 800 mm, preferably between 500 and 700 mm. It is thus possible to quickly install panels of significant length.
  • the distance between the upper face and the first surface of the groove is between 40 and 200 mm, preferably between 50 and 80 mm.
  • the provisional retention of the panel by clamping between two rafters is satisfactory.
  • the distance between the first longitudinal side and the second surface of the groove is between 20 and 120 mm, preferably between 35 and 60 mm. This prevents the layer of the panel located under the groove, in the installed position, deforms excessively downwards.
  • the depth of the notch taken between the second surface of the groove and the bottom of the notch is between 8 and 40 mm, preferably between 10 and 20 mm. Sufficient flexibility is imparted in the region above the notch, in the installed position of the panel, to accommodate variations in distance between two rafters.
  • the panel may include a vapor barrier on one of the two faces.
  • the invention also proposes an insulation system comprising at least one suspension disposed between two panels.
  • the hanger is in contact with the first longitudinal side of said panel and with the second longitudinal side of a neighboring panel.
  • the hanger comprises a first flat end flush with the groove and for fixing the hanger to a chevron, a second end opposite the first protruding from the underside of said panel and provided with a support member for supporting a smooth plasterboard, and foldable tabs, one intended to be in contact with the underside of said panel, the other intended to be in contact with the underside of the adjacent panel, the hanger being monobloc.
  • the tabs are disposed on one side and the other of a central portion extending from the first end to the second end.
  • the folding of the tabs for one panel and the other for the neighboring panel is fast and intuitive.
  • the central portion may be provided with the attachment member of a bar for receiving the fixing screws of plastering plates or equivalent.
  • Such a method is particularly economical while being appreciated by laying operators.
  • profile here means the property according to which a panel has a constant cross section along its length. Therefore, the description of a cross section taken at any point along the length is sufficient.
  • chevron the piece of framework that supports the truss or slats on which rest the tiles or slates.
  • the rafters are arranged in the direction of the slope of the roof.
  • the rafters are generally based on horizontal structural members called failures. Under-roof insulation can benefit from the volume of the attic space as living space.
  • the applicant has developed a panel ensuring high quality insulation in accordance with current standards and quick and easy installation.
  • the insulating panel 1 essentially comprises a body of mineral wool, preferably rockwool.
  • the body is monobloc.
  • the body is of homogeneous density.
  • a vapor barrier can be added.
  • the insulating panel 1 comprises an upper face 2 and a lower face 3 parallel.
  • the lower face 3 is opposed to the upper face 2.
  • the upper 2 and lower 3 surfaces form the main surfaces of the insulating panel 1.
  • the insulating panel comprises a first longitudinal side 4 and a second longitudinal side 5 parallel.
  • the second longitudinal side 5 is opposed to the first longitudinal side 4.
  • the longitudinal sides 4 and 5 extend over the length and the thickness of the insulating panel 1.
  • the upper 2 and lower 3 surfaces extend over the length and the width of insulating panel 1.
  • the insulating panel 1 is profiled.
  • the insulating panel 1 can be manufactured according to a continuous on-line manufacturing process.
  • a groove 6 and a notch 7 are formed in the insulating panel 1.
  • the groove 6 is longitudinal, thereby maintaining the profiled character of the insulating panel 1.
  • the groove 6 has a rectangular section.
  • the groove 6 is formed from the upper face 2 and from the first longitudinal side 4 of the insulating panel 1. In other words, the groove 6 is formed from a corner of the insulating panel 1.
  • the groove 6 has a first surface 8 parallel to the upper face 2.
  • the groove 6 has a second surface 9 parallel to the first longitudinal side 4. In the embodiment shown, the dimension of the second surface 9 in the direction of the thickness of the insulating panel 1 is greater than the dimension of the first surface 8 in the width direction. In other words, the groove 6 has a depth greater than its width.
  • the notch 7 is formed in the insulating panel 1 from the groove 6. More specifically, the notch 7 is formed in the insulating panel 1 from the second surface 9 of the groove 6.
  • the notch 7 has a notch first edge 10 and a second edge 11.
  • the edges 10 and 11 of the notch 7 are parallel.
  • a bottom 12 may be perpendicular to the first and second edges 10 and 11.
  • the notch 7 is made by removal of material, for example by milling. Alternatively, the bottom is narrow, the notch 7 being cut by a solid blade, for example a knife.
  • the notch 7 is profiled thus retaining the profiled character of the insulating panel 1.
  • the first edge 10 of the notch 7 is coplanar with the first surface 8 of the notch 6.
  • the second edge 11 of the notch 7 is disposed between the first surface 8 of the notch 6 and the upper face 2.
  • the first edge 10 is located on the side of the lower face 3 while the second edge 11 is located on the side of the lower face 3.
  • the notch 7 has a depth greater than its width.
  • the dimension of the bottom 12 taken in the direction of the thickness of the insulating panel 1 is smaller than the dimension of the first and second edges 10 and 11 taken in the width direction of the insulating panel 1.
  • the first surface 8 is continuous.
  • the second surface 9 is continuous.
  • the second side 5 of the insulating panel is continuous. Continuous means a surface obtained by cutting a mineral wool mat by a flat tool. Thus, the first surface 8 of the groove 6 is flat.
  • the second surface 9 is flat.
  • the second side 5 of the insulating panel is planar.
  • the insulating panel 1 is devoid of notch.
  • the groove 6 is rectangular in the strict sense.
  • the first surface 8 and the second surface 9 meet at right angles.
  • the second surface 9 extends continuously between the upper face 2 and the first surface 8.
  • the insulating panel 1 provides sufficient mechanical strength to be inserted between two rafters 20 and 21, see figure 2 . Compression results in reversible deformations in the elastic domain. Light pressure can be applied by the inner faces of two adjacent chevrons while elastically deforming the insulating panel 1. Plastic deformation is avoided.
  • each chevron 20, 21 has a rectangular section.
  • Each chevron has a lower face 20a, 21a, an upper face 20b, 21b supporting slats not shown, a side face 20c, 21c and an opposite side face 20d, 21d.
  • the lateral face 20d of the chevron 20 faces the lateral face 21c of the chevron 21.
  • the lateral face 20d is in contact with the second surface 9 of the groove 6.
  • the lateral face 21c of the chevron 21 is in contact with the second longitudinal side 5 of the insulating panel 1.
  • the lower face 20a of the chevron 20 is in contact with the first surface 8 of the groove 6.
  • the notch 7 appears of smaller dimension in the direction of the width of the insulating panel 1 on the figure 2 by comparison with the figure 1 . This is due to the deformation of the insulating panel 1 by compression between the two rafters 20 and 21. Specifically, the region of the insulating panel 1 between the plane of the upper face 2 and the plane of the second edge 11 of the notch 7 on the one hand, and understood, according to perpendicular direction, between the plane of the second surface 9 of the groove 6 and a plane parallel to the previous and passing through the bottom of the notch 7 is elastically compressed.
  • the notch 7 thus makes it possible to promote the deformation of this region while preventing said deformation from spreading to other parts of the insulating panel 1, for example to a region comprising the first surface 8 of the groove 6 or else the first longitudinal side 4 of the insulating panel 1.
  • a regular contact between the first surface 8 of the groove 6 and the lower surface 20a of the chevron 20 participates in a quality insulation.
  • the first longitudinal side 4 of the insulating panel 1 and the side face 20c of the chevron 20 are coplanar.
  • the second longitudinal side 5 is coplanar with the surface 21c of the chevron 21.
  • the upper face 2 of the insulating panel 1 is offset from the upper surfaces 20b and 21b of the rafters 20 and 21 leaving a gap. Such a space is desired to allow good ventilation of the roof. In the case where such a space is not useful, the upper face 2 of the insulating panel 1 may be coplanar with the upper faces 20b and 21b of the rafters 20 and 21.
  • the depth of the groove 6 in the direction of the thickness of the insulating panel 1 is between 20 and 50% of the thickness of the insulating panel 1.
  • the width of the groove 6 in the direction of the width of the insulating panel 1 may be between 5 and 10% of the width of said insulating panels 1.
  • the groove 6 has a depth greater than its width.
  • the thickness of the insulating panel 1 is between 100 and 600 mm, preferably between 150 and 300 mm, for example equal to 205 mm.
  • the width of the insulating panel 1 is between 400 and 800 mm, preferably between 500 and 700 mm, for example equal to 600 mm.
  • the width of the insulating panel 1 is equal to the distance between two rafters increased by the width of a chevron.
  • the width of the groove 6 may be between 20 and 120 mm, preferably between 35 and 60 mm, for example equal to 50 mm.
  • the width of 50 mm is particularly suitable for a rafter of 60 mm width. So, we may provide a groove width 6 of 5 to 15 mm less than the width of the corresponding chevron.
  • the depth of the groove 6 in the direction of the thickness of the insulating panel 1 may be between 40 and 200 mm, preferably between 50 and 90 mm, for example equal to 60 mm.
  • the depth of 60 mm is suitable for a chevron 80 mm in height while leaving a space of 20 mm height above the upper face 2 between the side faces 20d and 21c of the rafters 20 and 21.
  • the first surface 8 of the groove 6 is in contact with the lower face 20a of the chevron 20 with a low contact pressure.
  • Equivalent nominal dimensions can be provided between the height of the chevron taken in the direction of the thickness of the insulating panel 1 and the sum of the depth of the groove and the possible space between the rafters above the upper face 2 of the insulating panel 1.
  • the contact is provided between the first surface 8 of the groove 6 and the lower face 20a of the chevron 20 while avoiding deformation.
  • We can thus maintain a good flatness of the first longitudinal side 4 of the insulating panel 1 for contact with the second longitudinal side of an adjacent panel, visible on the figure 5 .
  • the second longitudinal side 5 of a second panel comes into contact with the lateral face 20c of the chevron 20 and the first longitudinal side 4 of the insulating panel 1.
  • the insulating panel 1 is retained between the rafters 20 and 21 because of the elasticity in the width direction offered by the deformable region of said insulating panel 1 located between the notch 7 and the upper face 2, close to the second surface 9 of the groove 6.
  • the notch 7 by increasing the deformability of said deformable region makes it possible to reduce any deformation of the part of the second longitudinal side 5 in contact with the lateral face 21c of the chevron 21.
  • a deformation of the second longitudinal side 5 is preferably to be avoided in order to provide a flat surface for the contact with the first longitudinal side 4 of an adjacent panel whose groove 6 surrounds the rafter 21. In the mode without notch, the deformation is local.
  • a hanger 30 is shown respectively in the state in which said hanger 30 is fixed to a chevron and allows the insertion of an insulating panel 1 and in the state in which said hanger 30 participates in the retention of two panels insulators each located on one side.
  • the hanger 30 has essentially a thin tongue shape.
  • the hanger 30 may be made of metal, for example galvanized steel.
  • the hanger 30 is monobloc.
  • the hanger 30 may have a thickness of between 0.4 and 10 mm, preferably between 0.5 and 0.8 mm.
  • the hanger 30 has a generally rectangular shaped body 31 provided with holes 32 allowing the passage of fastening screws on a chevron.
  • the holes 32 are arranged at a first end of the body 31.
  • the hanger 30 is provided with a support member 33 of a stringer or fur under the form of two protrusions extending laterally.
  • the hanger 30 also comprises two lugs offset relative to the fastening member 33 towards the other end.
  • the tabs 34 and 35 are obtained by partial cutting from the body 31.
  • the tabs 34 and 35 are attached to the body 31 by a continuous portion over a short length, for example of the order of one centimeter and are separated from the body 31 by a cutout on the side of the end provided with the holes 32.
  • the length of the tabs 34 and 35 may be of the order of 40 to 70% of the total length of the hanger 30.
  • the width of the legs 34 and 35 is significantly smaller than the width of the body 31 so that the folding operation causes the tabs 34 and 35 to bend while retaining the flat shape of the body 31.
  • the tabs 34 and 35 can be folded substantially at right angles so as to support the lower faces 3 of two adjacent panels.
  • the hanger 30, intended to be arranged between two adjacent panels, has a small thickness.
  • On the figure 5 is illustrated an in-place insulation system installed by crawling under a roof. Framing was only represented the rafters 20 and 21 so as to simplify the drawing.
  • a line 30 is fixed to the chevron 21, for example, by screwing.
  • Most of the body 31 of the hanger 30 is disposed between the first longitudinal side 4 of a first insulating panel and the second longitudinal side 5 of a second insulating panel, said longitudinal sides being in contact with each other. other on their length except for the place where the hanger 30 is arranged.
  • the tabs 34 and 35 have been bent at right angles.
  • the tabs 34 and 35 participate in holding in place the insulating panels.
  • a fur or smooth 36 is hooked to the attachment member 33 of the hanger 30.
  • a space can be left between the smooth and the lower face 3.
  • the furs or smooth are arranged horizontally at regular intervals.
  • Under the plate 36 is fixed a plasterboard 37, for example by means of screws.
  • the insulating system thus formed offers excellent thermal performance.
  • the underside of the rafters is covered by a significant thickness of insulation.
  • the rafters themselves participate in the insulation because of their intrinsic properties.
  • the laying of the insulating system can be carried out as follows. An operator proceeds first to the installation of the lines 30 on a lateral face 20c, 21c of the rafters using a template or predetermined markings, the lines being in the state illustrated on the figure 3 .
  • the tabs 34 and 35 are coplanar with the body 31 of the hanger 30. The tabs 34 and 35 leave the passage free to install the insulating panels 1. Then, the operator inserts the insulating panels 1 between the rafters. Each chevron is thus disposed in a groove 6 of an insulating panel 1.
  • the lines 30 provide a guide for the insertion of the insulating panels 1.
  • the insertion of the panel 1 between adjacent chevrons 20 and 21 may require a slight effort . At this stage, the effort can be provided by the two hands of the operator who, once this is done, has a hand released by the restraint provided by the clamping between the rafters.
  • the neighboring panel can be inserted in the same way while benefiting from the lack of roughness offered by the hanger 30 before folding the lug for said corresponding insulating panel.
  • a hanger 30 is shown respectively in the state in which said hanger 30 is fixed to a chevron and allows the insertion of an insulating panel 1 and in the state in which said hanger 30 participates in the retention in place of two insulating panels each located on one side.
  • the hanger 30 has essentially a thin tongue shape.
  • the hanger 30 may be made of metal, for example galvanized steel.
  • the hanger 30 is monobloc.
  • the hanger 30 may have a thickness of between 0.4 and 1 mm, preferably between 0.5 and 0.8 mm.
  • the hanger 30 has a body 31 provided with holes 32 allowing the passage of fixing screws on a chevron.
  • the holes 32 are arranged at a first end of the body 31.
  • the hanger 30 is provided with a support member 33 of a stringer or fur under the form of two protrusions extending laterally.
  • the body 31 has a general shape of a Latin cross with two lateral extensions 39 and 40.
  • the lateral extensions 39 and 40 are square.
  • the hanger 30 also comprises two tabs 34 and 35 offset relative to the fastening member 33 towards the other end.
  • the tabs 34 and 35 are derived from the lateral extensions 39 and 40.
  • the tabs 34 and 35 are obtained by partial cutting from the body 31.
  • the tabs 34 and 35 are attached to the body 31 by a continuous portion over a short length, for example. example of the order of one centimeter and are separated from the body 31 by a cutout on the side of the end provided with the holes 32.
  • the length of the legs 34 and 35 may be of the order of 30 to 70% of the length total of the hanger 30.
  • the width of the tabs 34 and 35 is significantly smaller than the width of the body 31 so that the folding operation causes the folding of the tabs 34 and 35 while maintaining the flat shape of the body 31 and the lateral extensions 39 and 40.
  • the tabs 34 and 35 are folded in the same direction, cf. figure 7 .
  • the tabs 34 and 35 are folded substantially at right angles.
  • the hanger 30 comprises a handle 38 surrounding the support member 33.
  • the handle 38 is in register with the body 31 between the lateral extensions 39 and 40 and the support member 33 and with the support member 33.
  • the handle 38 is U-shaped.
  • the handle 38 has outer edges aligned with the outer edges of the tabs 34 and 35.
  • the handle 38 is formed by cutting a blank sheet.
  • the handle 38 is folded in the opposite direction to the tabs 34 and 35, cf. figure 7 .
  • the handle 38 is bent substantially at right angles.
  • the handle 38 forms a foldable tab for holding a panel.
  • the handle 38 and the tabs 34 and 35 are offset in height.
  • the handle 38 and the tabs 34 and 35 are offset in the direction of the thickness of the insulating panel 1, cf. figure 8 .
  • the lag is negligible.

Abstract

Panneau isolant 1 avec des faces supérieure 2 et inférieure 3 parallèles, des côtés longitudinaux 4 et 5 parallèles, un corps en laine de roche ; une rainure 6 profilée dans le panneau 1, de section rectangulaire avec une surface 8 parallèle à la face 2 et une surface 9 parallèle au côté 4 plan entre la rainure 6 et la face 3, le côté 5 étant plan et continu entre les faces 2 et 3, la surface 9 étant plane et continue à partir de la face 2 ; et procédé de pose sous toiture avec fixation de suspentes à des chevrons voisins, amenée du panneau, la surface 9 de la rainure contre un chevron et le côté 5 contre l'autre chevron, la surface 8 en contact avec ledit chevron, les chevrons exerçant une compression entre la rainure et le côté 5, et pliage d'une patte des suspentes contre la face 2, chacune à une extrémité latérale de la face 2, une autre patte restant disponible pour des panneaux adjacents respectifs.Insulating panel 1 with upper 2 and lower 3 parallel faces, longitudinal sides 4 and 5 parallel, a rock wool body; a groove 6 profiled in the panel 1, of rectangular section with a surface 8 parallel to the face 2 and a surface 9 parallel to the plane side 4 between the groove 6 and the face 3, the side 5 being flat and continuous between the faces 2 and 3, the surface 9 being planar and continuous from the face 2; and method of laying under the roof with fastening lines to adjacent rafters, brought from the panel, the surface 9 of the groove against a chevron and the side 5 against the other chevron, the surface 8 in contact with said chevron, the rafters exerting compression between the groove and the side 5, and folding a tab of the lines against the face 2, each at a lateral end of the face 2, another leg remaining available for respective adjacent panels.

Description

L'invention concerne les panneaux isolants en laine minérale, et en particulier en laine de roche. De tels panneaux isolants peuvent être utilisés en sous face d'une toiture.The invention relates to insulating panels made of mineral wool, and in particular rock wool. Such insulating panels can be used on the underside of a roof.

Selon une technique antérieure, une première couche de panneaux isolants est disposée entre des chevrons de la charpente et une deuxième couche de panneaux isolants est disposée sous les chevrons et la première couche de panneaux isolants.According to a prior art, a first layer of insulating panels is disposed between rafters of the frame and a second layer of insulating panels is disposed under the rafters and the first layer of insulating panels.

Dans une telle application, les panneaux isolants permettent d'assurer l'isolation thermique et phonique en vue de l'utilisation des combles. L'utilisation de panneaux de fibres minérales, notamment de laine de roche, permet de conférer aux bâtiments une bonne résistance au feu.In such an application, the insulating panels provide thermal and sound insulation for the use of the attic. The use of mineral fiber panels, especially rockwool, makes it possible to give buildings good fire resistance.

Le besoin se fait sentir de rendre la pose de l'isolation plus aisée et plus rapide.The need arises to make the laying of the insulation easier and faster.

L'invention vient améliorer la situation.The invention improves the situation.

Elle vise plus particulièrement à fournir un panneau isolant à pose rapide.It is more particularly intended to provide a fast-fitting insulating panel.

L'invention propose à cet effet un panneau isolant présentant une face supérieure et une face inférieure. La face inférieure est parallèle et opposée à la face supérieure. Le panneau présente un premier côté longitudinal et un deuxième côté longitudinal, parallèle et opposé au premier côté longitudinal. Le panneau comprend un corps en laine de roche de densité sensiblement homogène. Au moins, une rainure profilée est ménagée dans ledit panneau isolant à partir de la face supérieure et du premier côté longitudinal. Ladite rainure est de section rectangulaire avec une première surface parallèle à la face supérieure et plus proche de la face supérieure que la face inférieure et une deuxième surface parallèle au premier côté longitudinal. Le premier côté longitudinal est plan entre la rainure et la face inférieure. Le deuxième côté longitudinal est plan et s'étend continument entre la face supérieure et la face inférieure. La deuxième surface de la rainure s'étend continument à partir de la face supérieure.The invention proposes for this purpose an insulating panel having an upper face and a lower face. The lower face is parallel and opposite to the upper face. The panel has a first longitudinal side and a second longitudinal side, parallel and opposite the first longitudinal side. The panel comprises a rock wool body of substantially uniform density. At least one profiled groove is formed in said insulating panel from the upper face and the first longitudinal side. Said groove is of rectangular section with a first surface parallel to the upper face and closer to the upper face than the lower face and a second surface parallel to the first longitudinal side. The first longitudinal side is plane between the groove and the lower face. The second longitudinal side is flat and extends continuously between the upper face and the face lower. The second surface of the groove extends continuously from the upper face.

Ainsi, un chevron peut être logé dans la rainure tandis que le deuxième côté longitudinal du panneau vient en appui contre un autre chevron. L'encoche assure une fonction de découplage localisé de deux parties du panneau isolant dans le sens de l'épaisseur, la partie située entre les deux chevrons d'une part, et la partie située en dessous des chevrons d'autre part. La région de la première partie voisine de l'encoche dans la direction transversale peut être légèrement déformée, de manière élastique et éventuellement de manière plastique lors de l'insertion entre les deux chevrons. Ceci assure une bonne étanchéité à l'air entre chaque chevron et le panneau isolant considéré. La déformation favorise également le maintien provisoire du panneau avant sa fixation définitive. Un opérateur peut maintenir le panneau d'une main tout en agissant de l'autre main pour assurer sa fixation. Ainsi, un panneau unique assure la fonction d'isolation entre les chevrons et la fonction d'isolation sous les chevrons. Le temps de pose est largement diminué. Un opérateur seul peut poser le panneau isolant.Thus, a chevron may be housed in the groove while the second longitudinal side of the panel bears against another rafter. The notch provides a localized decoupling function of two parts of the insulating panel in the direction of the thickness, the part between the two rafters on the one hand, and the part below the rafters on the other hand. The region of the first part adjacent to the notch in the transverse direction may be slightly deformed, elastically and possibly plastically during the insertion between the two rafters. This ensures a good airtightness between each rafter and the insulation panel considered. The deformation also favors the temporary retention of the panel before its final fixation. An operator can hold the panel with one hand while using the other hand to secure it. Thus, a single panel provides the insulation function between the rafters and the insulation function under the rafters. The exposure time is greatly reduced. Only one operator can install the insulation board.

Le panneau présente une résistance mécanique suffisante pour admettre des déformations réversibles sous l'application d'une pression sur la deuxième surface de la rainure, résultant d'une pose à la main. Le maintien du panneau entre deux chevrons est facilité.The panel has sufficient mechanical strength to admit reversible deformations under the application of pressure on the second surface of the groove, resulting from a hand laying. The maintenance of the panel between two rafters is facilitated.

Dans un mode de réalisation, au moins une encoche profilée est ménagée dans ledit panneau isolant à partir de la deuxième surface de la rainure. Ladite encoche est de profondeur supérieure à sa largeur. Ladite encoche présente un premier bord et un deuxième bord parallèle et opposé au premier bord. Le premier bord est plus proche de la face inférieure et le deuxième bord plus proche de la face supérieure. Le premier bord est coplanaire avec la première surface de la rainure. La deuxième surface de la rainure s'étend continument entre la face supérieure et ladite encoche. L'aptitude à la déformation élastique latérale est augmentée.In one embodiment, at least one profiled notch is formed in said insulating panel from the second surface of the groove. Said notch is of greater depth than its width. Said notch has a first edge and a second edge parallel and opposite to the first edge. The first edge is closer to the lower face and the second edge is closer to the upper face. The first edge is coplanar with the first surface of the groove. The second surface of the groove extends continuously between the upper face and said notch. The ability to lateral elastic deformation is increased.

Dans un mode de réalisation, la deuxième surface de la rainure est plane et s'étend continument entre la face supérieure et la première surface de la rainure. La rainure est strictement rectangulaire. La fabrication est simplifiée.In one embodiment, the second surface of the groove is planar and extends continuously between the top face and the first surface of the groove. The groove is strictly rectangular. Manufacturing is simplified.

Dans un mode de réalisation, le corps est de densité sensiblement homogène.In one embodiment, the body is of substantially homogeneous density.

Dans un mode de réalisation, la distance entre la deuxième surface et le premier côté longitudinal est inférieure à la distance entre la face supérieure et la première surface. La bonne tenue du panneau est favorisée.In one embodiment, the distance between the second surface and the first longitudinal side is less than the distance between the upper face and the first surface. The good behavior of the panel is favored.

Dans un mode de réalisation, la masse volumique du panneau est comprise entre 20 et 80 kg/m3, de préférence entre 45 et 60 kg/m3, par exemple entre 50 et 55 kg/m3. Il peut dès lors posséder une forme propre et être posé aisément par un opérateur.In one embodiment, the density of the panel is between 20 and 80 kg / m 3 , preferably between 45 and 60 kg / m 3 , for example between 50 and 55 kg / m 3 . It can therefore have a clean shape and be placed easily by an operator.

Dans un mode de réalisation, la distance entre la face supérieure et la face inférieure est comprise entre 100 et 600 mm, de préférence entre 150 et 300 mm . Une isolation de qualité est assurée tout en bénéficiant d'une pose rapide.In one embodiment, the distance between the upper face and the lower face is between 100 and 600 mm, preferably between 150 and 300 mm. Quality insulation is ensured while enjoying a quick installation.

Dans un mode de réalisation, la distance entre le premier côté longitudinal et le deuxième côté longitudinal est comprise entre 400 et 800 mm, de préférence entre 500 et 700 mm. On peut ainsi poser rapidement des panneaux de longueur significative.In one embodiment, the distance between the first longitudinal side and the second longitudinal side is between 400 and 800 mm, preferably between 500 and 700 mm. It is thus possible to quickly install panels of significant length.

Dans un mode de réalisation, la distance entre la face supérieure et la première surface de la rainure est comprise entre 40 et 200 mm, de préférence entre 50 et 80 mm . La retenue provisoire du panneau par serrage entre deux chevrons est satisfaisante.In one embodiment, the distance between the upper face and the first surface of the groove is between 40 and 200 mm, preferably between 50 and 80 mm. The provisional retention of the panel by clamping between two rafters is satisfactory.

Dans un mode de réalisation, la distance entre le premier côté longitudinal et la deuxième surface de la rainure est comprise entre 20 et 120 mm, de préférence entre 35 et 60 mm . On évite ainsi que le couche du panneau situé sous la rainure, en position installée, ne se déforme excessivement vers le bas.In one embodiment, the distance between the first longitudinal side and the second surface of the groove is between 20 and 120 mm, preferably between 35 and 60 mm. This prevents the layer of the panel located under the groove, in the installed position, deforms excessively downwards.

Dans un mode de réalisation, la profondeur de l'encoche prise entre la deuxième surface de la rainure et le fond de l'encoche est comprise entre 8 et 40 mm, de préférence entre 10 et 20 mm. Une souplesse suffisante est conférée dans la région située au dessus de l'encoche, en position installée du panneau, pour s'accommoder des variations de distance entre deux chevrons.In one embodiment, the depth of the notch taken between the second surface of the groove and the bottom of the notch is between 8 and 40 mm, preferably between 10 and 20 mm. Sufficient flexibility is imparted in the region above the notch, in the installed position of the panel, to accommodate variations in distance between two rafters.

Le panneau peut comprendre un pare-vapeur sur l'une des deux faces.The panel may include a vapor barrier on one of the two faces.

L'invention propose également un système d'isolation comprenant au moins une suspente disposée entre deux panneaux. La suspente est en contact avec le premier côté longitudinal dudit panneau et avec le deuxième côté longitudinal d'un panneau voisin. La suspente comprend une première extrémité plane affleurant la rainure et permettant de fixer la suspente à un chevron, une deuxième extrémité opposée à la première en saillie par rapport à la face inférieure dudit panneau et munie d'un organe de support prévu pour supporter une lisse à plaque plâtrière, et des pattes pliables, l'une prévue pour être en contact avec la face inférieure dudit panneau, l'autre prévue pour être en contact avec la face inférieure du panneau voisin, la suspente étant monobloc. Ainsi, l'opérateur maintenant d'une main un panneau entre deux chevrons peut disposer de sa main libre pour venir effectuer le pliage des pattes qui assurent un maintien stable du panneau. Ainsi, l'ensemble des panneaux d'une toiture peut être installé. Puis l'opérateur vient poser les lisses et poursuivre les travaux. La pose s'avère très rapide.The invention also proposes an insulation system comprising at least one suspension disposed between two panels. The hanger is in contact with the first longitudinal side of said panel and with the second longitudinal side of a neighboring panel. The hanger comprises a first flat end flush with the groove and for fixing the hanger to a chevron, a second end opposite the first protruding from the underside of said panel and provided with a support member for supporting a smooth plasterboard, and foldable tabs, one intended to be in contact with the underside of said panel, the other intended to be in contact with the underside of the adjacent panel, the hanger being monobloc. Thus, the operator now with one hand a panel between two rafters can have his free hand to come to perform the folding tabs that ensure a stable maintenance of the panel. Thus, all the panels of a roof can be installed. Then the operator comes to lay the rails and continue the work. The pose is very fast.

Dans un mode de réalisation, les pattes sont disposées d'un côté et de l'autre d'une portion centrale s'étendant de la première extrémité à la deuxième extrémité. Le pliage des pattes l'une pour un panneau et l'autre pour le panneau voisin est rapide et intuitif. La portion centrale peut être munie de l'organe d'accrochage d'une lisse destinée à recevoir les vis de fixation de plaques plâtrières ou équivalent.In one embodiment, the tabs are disposed on one side and the other of a central portion extending from the first end to the second end. The folding of the tabs for one panel and the other for the neighboring panel is fast and intuitive. The central portion may be provided with the attachment member of a bar for receiving the fixing screws of plastering plates or equivalent.

L'invention propose également un procédé de pose d'une isolation sous toiture dans lequel :

  • on fixe une première suspente Ă  un premier chevron et une deuxième suspente Ă  un deuxième chevron voisin du premier,
  • on amène un panneau isolant tel que dĂ©crit ci-dessus, la deuxième surface de ladite rainure en contact avec le bord du premier chevron et le deuxième cĂ´tĂ© longitudinal en contact avec le bord du deuxième chevron, la première surface de ladite rainure en contact avec le premier chevron, les premier et deuxième chevrons exerçant un effort non nul de compression entre la deuxième surface de ladite rainure et le deuxième cĂ´tĂ© longitudinal,
  • on plie une patte de la première suspente et une patte de la deuxième suspente contre la face infĂ©rieure dudit panneau, chacune Ă  une extrĂ©mitĂ© latĂ©rale de ladite face infĂ©rieure, une patte de la première suspente et une patte de la deuxième suspente restant disponible pour des panneaux adjacents respectifs.
The invention also proposes a method of laying roof insulation in which:
  • a first hanger is fixed to a first chevron and a second hanger to a second chevron adjacent to the first,
  • an insulating panel is provided as described above, the second surface of said groove in contact with the edge of the first chevron and the second longitudinal side in contact with the edge of the second chevron, the first surface of said groove in contact with the first chevron, the first and second rafters exerting a non-zero compressive force between the second surface of said groove and the second longitudinal side,
  • a tab of the first hanger and a tab of the second hanger are folded against the underside of said panel, each at a lateral end of said lower face, a tab of the first hanger and a tab of the second hanger remaining available for panels respective adjacent ones.

Un tel procédé s'avère particulièrement économique tout en étant apprécié des opérateurs de pose.Such a method is particularly economical while being appreciated by laying operators.

On entend ici par "profilé", la propriété selon laquelle un panneau présente une section transversale constante sur sa longueur. Dès lors, la description d'une section transversale prise en un endroit quelconque de la longueur est suffisante.The term "profile" here means the property according to which a panel has a constant cross section along its length. Therefore, the description of a cross section taken at any point along the length is sufficient.

D'autres caractéristiques et avantages de l'invention apparaîtront à l'examen de la description détaillée ci-après, et des dessins annexés, sur lesquels :

  • la figure 1 est une vue en coupe transversale d'un panneau isolant selon un aspect de l'invention ;
  • la figure 2 est une vue du panneau de la figure 1 installĂ© entre deux chevrons ;
  • la figure 3 est une vue en perspective d'une suspente Ă  l'Ă©tat initial ;
  • la figure 4 est une vue en perspective d'une suspente posĂ©e ;
  • la figure 5 est une vue en coupe transversale d'un système d'isolation selon un aspect de l'invention,
  • les figures 6 et 7 sont des vues en perspective d'une suspente Ă  l'Ă©tat initial et Ă  l'Ă©tat posĂ©, et
  • la figure 8 est une vue en coupe transversale d'un système d'isolation selon un aspect de l'invention.
Other features and advantages of the invention will appear on examining the detailed description below, and the attached drawings, in which:
  • the figure 1 is a cross-sectional view of an insulating panel according to one aspect of the invention;
  • the figure 2 is a view of the panel of the figure 1 installed between two rafters;
  • the figure 3 is a perspective view of a suspension in the initial state;
  • the figure 4 is a perspective view of a posed hanger;
  • the figure 5 is a cross-sectional view of an insulation system according to one aspect of the invention,
  • the Figures 6 and 7 are perspective views of a suspension in the initial state and in the laid state, and
  • the figure 8 is a cross-sectional view of an insulation system according to one aspect of the invention.

L'augmentation récente des épaisseurs d'isolants posés en rampant sous toiture amène des difficultés nouvelles. Lorsque l'épaisseur du panneau isolant était inférieure à la hauteur du chevron, le panneau isolant était logé entre deux chevrons. Un panneau de plaque de plâtre pouvait être directement fixé aux chevrons ou fixé par l'intermédiaire d'une lisse ou fourrure. La pose de panneaux isolants d'épaisseur supérieure à 100 mm a mené à la technique de pose de deux panneaux, l'un disposé entre les chevrons et l'autre sous les chevrons. Cette technique de pose s'avère lente et coûteuse.The recent increase in the thickness of insulation laid while crawling under the roof brings new difficulties. When the thickness of the insulation board was less than the height of the rafter, the insulation board was housed between two rafters. A plasterboard panel could be directly attached to the rafters or attached via a sill or fur. The laying of insulating panels greater than 100 mm thick led to the installation of two panels, one placed between the rafters and the other under the rafters. This laying technique proves slow and expensive.

On entend ici par chevron la pièce de charpente qui supporte la volige ou les lattes sur lesquelles reposent les tuiles ou les ardoises. Les chevrons sont disposés dans le sens de la pente de la toiture. Les chevrons reposent en général sur des pièces de charpente horizontales dénommées pannes. L'isolation en sous-toiture permet de bénéficier du volume des combles en tant que volume habitable.Here is meant by chevron the piece of framework that supports the truss or slats on which rest the tiles or slates. The rafters are arranged in the direction of the slope of the roof. The rafters are generally based on horizontal structural members called failures. Under-roof insulation can benefit from the volume of the attic space as living space.

La demanderesse a mis au point un panneau assurant une isolation de haute qualité conforme aux normes actuelles et de pose rapide et aisée.The applicant has developed a panel ensuring high quality insulation in accordance with current standards and quick and easy installation.

Le panneau isolant 1 comprend essentiellement un corps de laine minérale, préférablement de laine de roche. Le corps est monobloc. Le corps est de densité homogène. Un pare-vapeur peut y être ajouté.The insulating panel 1 essentially comprises a body of mineral wool, preferably rockwool. The body is monobloc. The body is of homogeneous density. A vapor barrier can be added.

Comme illustré sur la figure 1, le panneau isolant 1 comprend une face supérieure 2 et une face inférieure 3 parallèles. La face inférieure 3 est opposée à la face supérieure 2. Les faces supérieure 2 et inférieure 3 forment les surfaces principales du panneau isolant 1. Le panneau isolant comprend un premier côté longitudinal 4 et un deuxième côté longitudinal 5 parallèles. Le deuxième côté longitudinal 5 est opposé au premier côté longitudinal 4. Les côtés longitudinaux 4 et 5 s'étendent sur la longueur et sur l'épaisseur du panneau isolant 1. Les faces supérieure 2 et inférieure 3 s'étendent sur la longueur et la largeur du panneau isolant 1. Le panneau isolant 1 est profilé.As illustrated on the figure 1 , the insulating panel 1 comprises an upper face 2 and a lower face 3 parallel. The lower face 3 is opposed to the upper face 2. The upper 2 and lower 3 surfaces form the main surfaces of the insulating panel 1. The insulating panel comprises a first longitudinal side 4 and a second longitudinal side 5 parallel. The second longitudinal side 5 is opposed to the first longitudinal side 4. The longitudinal sides 4 and 5 extend over the length and the thickness of the insulating panel 1. The upper 2 and lower 3 surfaces extend over the length and the width of insulating panel 1. The insulating panel 1 is profiled.

Le panneau isolant 1 peut être fabriqué selon un procédé de fabrication continu en ligne.The insulating panel 1 can be manufactured according to a continuous on-line manufacturing process.

Une rainure 6 et une encoche 7 sont ménagées dans le panneau isolant 1. La rainure 6 est longitudinale, conservant de ce fait le caractère profilé du panneau isolant 1. La rainure 6 présente une section rectangulaire. La rainure 6 est ménagée à partir de la face supérieure 2 et à partir du premier côté longitudinal 4 du panneau isolant 1. En d'autres termes, la rainure 6 est ménagée à partir d'un coin du panneau isolant 1. La rainure 6 présente une première surface 8 parallèle à la face supérieure 2. La rainure 6 présente une deuxième surface 9 parallèle au premier côté longitudinal 4.
Dans le mode de réalisation représenté, la dimension de la deuxième surface 9 dans le sens de l'épaisseur du panneau isolant 1 est supérieure à la dimension de la première surface 8 dans le sens de la largeur. En d'autres termes, la rainure 6 présente une profondeur supérieure à sa largeur.A groove 6 and a notch 7 are formed in the insulating panel 1. The groove 6 is longitudinal, thereby maintaining the profiled character of the insulating panel 1. The groove 6 has a rectangular section. The groove 6 is formed from the upper face 2 and from the first longitudinal side 4 of the insulating panel 1. In other words, the groove 6 is formed from a corner of the insulating panel 1. The groove 6 has a first surface 8 parallel to the upper face 2. The groove 6 has a second surface 9 parallel to the first longitudinal side 4.
In the embodiment shown, the dimension of the second surface 9 in the direction of the thickness of the insulating panel 1 is greater than the dimension of the first surface 8 in the width direction. In other words, the groove 6 has a depth greater than its width.

L'encoche 7 est ménagée dans le panneau isolant 1 à partir de la rainure 6. Plus précisément, l'encoche 7 est ménagée dans le panneau isolant 1 à partir de la deuxième surface 9 de la rainure 6. L'encoche 7 présente un premier bord 10 et un deuxième bord 11. Les bords 10 et 11 de l'encoche 7 sont parallèles. Un fond 12 peut être perpendiculaire aux premier et deuxième bords 10 et 11. L'encoche 7 est réalisée par enlèvement de matière, par exemple par fraisage. Alternativement, le fond est étroit, l'encoche 7 étant découpée par une lame pleine, par exemple un couteau. L'encoche 7 est profilée conservant ainsi le caractère profilé du panneau isolant 1. Le premier bord 10 de l'encoche 7 est coplanaire avec la première surface 8 de l'encoche 6. Le deuxième bord 11 de l'encoche 7 est disposé entre la première surface 8 de l'encoche 6 et la face supérieure 2. En d'autres termes, le premier bord 10 est situé du côté de la face inférieure 3 tandis que le deuxième bord 11 est situé du côté de la face inférieure 3. L'encoche 7 présente une profondeur supérieure à sa largeur. En d'autres termes, la dimension du fond 12 pris dans le sens de l'épaisseur du panneau isolant 1 est inférieure à la dimension des premier et deuxième bords 10 et 11 pris dans le sens de la largeur du panneau isolant 1.The notch 7 is formed in the insulating panel 1 from the groove 6. More specifically, the notch 7 is formed in the insulating panel 1 from the second surface 9 of the groove 6. The notch 7 has a notch first edge 10 and a second edge 11. The edges 10 and 11 of the notch 7 are parallel. A bottom 12 may be perpendicular to the first and second edges 10 and 11. The notch 7 is made by removal of material, for example by milling. Alternatively, the bottom is narrow, the notch 7 being cut by a solid blade, for example a knife. The notch 7 is profiled thus retaining the profiled character of the insulating panel 1. The first edge 10 of the notch 7 is coplanar with the first surface 8 of the notch 6. The second edge 11 of the notch 7 is disposed between the first surface 8 of the notch 6 and the upper face 2. In other words, the first edge 10 is located on the side of the lower face 3 while the second edge 11 is located on the side of the lower face 3. The notch 7 has a depth greater than its width. In other words, the dimension of the bottom 12 taken in the direction of the thickness of the insulating panel 1 is smaller than the dimension of the first and second edges 10 and 11 taken in the width direction of the insulating panel 1.

La première surface 8 est continue. La deuxième surface 9 est continue. Le deuxième côté 5 du panneau isolant est continu. On entend par continu une surface obtenue par découpe d'un matelas de laine minérale par un outil plan. Ainsi, la première surface 8 de la rainure 6 est plane. La deuxième surface 9 est plane. Le deuxième côté 5 du panneau isolant est plan.The first surface 8 is continuous. The second surface 9 is continuous. The second side 5 of the insulating panel is continuous. Continuous means a surface obtained by cutting a mineral wool mat by a flat tool. Thus, the first surface 8 of the groove 6 is flat. The second surface 9 is flat. The second side 5 of the insulating panel is planar.

Dans un autre mode de réalisation, le panneau isolant 1 est dépourvu d'encoche. La rainure 6 est rectangulaire au sens strict. La première surface 8 et la deuxième surface 9 se rejoignent à angle droit. La deuxième surface 9 s'étend continument entre la face supérieure 2 et la première surface 8.In another embodiment, the insulating panel 1 is devoid of notch. The groove 6 is rectangular in the strict sense. The first surface 8 and the second surface 9 meet at right angles. The second surface 9 extends continuously between the upper face 2 and the first surface 8.

Le panneau isolant 1 offre une résistance mécanique suffisante pour être inséré entre deux chevrons 20 et 21, voir figure 2. La compression se traduit par des déformations réversibles dans le domaine élastique. Une pression légère peut être appliquée par les faces intérieures de deux chevrons voisins tout en déformant élastiquement le panneau isolant 1. Une déformation plastique est évitée.The insulating panel 1 provides sufficient mechanical strength to be inserted between two rafters 20 and 21, see figure 2 . Compression results in reversible deformations in the elastic domain. Light pressure can be applied by the inner faces of two adjacent chevrons while elastically deforming the insulating panel 1. Plastic deformation is avoided.

Plus précisément, chaque chevron 20, 21 présente une section rectangulaire. Chaque chevron présente une face inférieure 20a, 21a, une face supérieure 20b, 21 b supportant les lattes non représentées, une face latérale 20c, 21c et une face latérale opposée 20d, 21 d. La face latérale 20d du chevron 20 fait face à la face latérale 21c du chevron 21. La face latérale 20d est en contact avec la deuxième surface 9 de la rainure 6. La face latérale 21c du chevron 21 est en contact avec le deuxième côté longitudinal 5 du panneau isolant 1. La face inférieure 20a du chevron 20 est en contact avec la première surface 8 de la rainure 6.More precisely, each chevron 20, 21 has a rectangular section. Each chevron has a lower face 20a, 21a, an upper face 20b, 21b supporting slats not shown, a side face 20c, 21c and an opposite side face 20d, 21d. The lateral face 20d of the chevron 20 faces the lateral face 21c of the chevron 21. The lateral face 20d is in contact with the second surface 9 of the groove 6. The lateral face 21c of the chevron 21 is in contact with the second longitudinal side 5 of the insulating panel 1. The lower face 20a of the chevron 20 is in contact with the first surface 8 of the groove 6.

L'encoche 7 apparaît de dimension plus faible dans le sens de la largeur du panneau isolant 1 sur la figure 2 par comparaison avec la figure 1. Ceci est dû à la déformation du panneau isolant 1 par compression entre les deux chevrons 20 et 21. Plus précisément, la région du panneau isolant 1 comprise entre le plan de la face supérieure 2 et le plan du deuxième bord 11 de l'encoche 7 d'une part, et comprise, selon une direction perpendiculaire, entre le plan de la deuxième surface 9 de la rainure 6 et un plan parallèle au précédent et passant par le fond de l'encoche 7 est élastiquement comprimée. L'encoche 7 permet ainsi de favoriser la déformation de cette région tout en évitant que ladite déformation ne s'étende à d'autres parties du panneau isolant 1, par exemple à une région comprenant la première surface 8 de la rainure 6 ou encore le premier côté longitudinal 4 du panneau isolant 1. Un contact régulier entre la première surface 8 de la rainure 6 et la surface inférieure 20a du chevron 20 participe à une isolation de qualité.The notch 7 appears of smaller dimension in the direction of the width of the insulating panel 1 on the figure 2 by comparison with the figure 1 . This is due to the deformation of the insulating panel 1 by compression between the two rafters 20 and 21. Specifically, the region of the insulating panel 1 between the plane of the upper face 2 and the plane of the second edge 11 of the notch 7 on the one hand, and understood, according to perpendicular direction, between the plane of the second surface 9 of the groove 6 and a plane parallel to the previous and passing through the bottom of the notch 7 is elastically compressed. The notch 7 thus makes it possible to promote the deformation of this region while preventing said deformation from spreading to other parts of the insulating panel 1, for example to a region comprising the first surface 8 of the groove 6 or else the first longitudinal side 4 of the insulating panel 1. A regular contact between the first surface 8 of the groove 6 and the lower surface 20a of the chevron 20 participates in a quality insulation.

Le premier côté longitudinal 4 du panneau isolant 1 et la face latérale 20c du chevron 20 sont coplanaires. Le deuxième côté longitudinal 5 est coplanaire avec la surface 21c du chevron 21.The first longitudinal side 4 of the insulating panel 1 and the side face 20c of the chevron 20 are coplanar. The second longitudinal side 5 is coplanar with the surface 21c of the chevron 21.

La face supérieure 2 du panneau isolant 1 se trouve décalée par rapport aux surfaces supérieures 20b et 21b des chevrons 20 et 21 laissant subsister un espace. Un tel espace est souhaité pour permettre une bonne ventilation de la toiture. Dans le cas où un tel espace n'est pas utile, la face supérieure 2 du panneau isolant 1 peut être coplanaire avec les faces supérieures 20b et 21b des chevrons 20 et 21.The upper face 2 of the insulating panel 1 is offset from the upper surfaces 20b and 21b of the rafters 20 and 21 leaving a gap. Such a space is desired to allow good ventilation of the roof. In the case where such a space is not useful, the upper face 2 of the insulating panel 1 may be coplanar with the upper faces 20b and 21b of the rafters 20 and 21.

Dans un mode de réalisation, la profondeur de la rainure 6 dans le sens de l'épaisseur du panneau isolant 1 est comprise entre 20 et 50 % de l'épaisseur du panneau isolant 1. La largeur de la rainure 6 dans le sens de la largeur du panneau isolant 1 peut être comprise entre 5 et 10 % de la largeur desdits panneaux isolants 1.In one embodiment, the depth of the groove 6 in the direction of the thickness of the insulating panel 1 is between 20 and 50% of the thickness of the insulating panel 1. The width of the groove 6 in the direction of the width of the insulating panel 1 may be between 5 and 10% of the width of said insulating panels 1.

La rainure 6 présente une profondeur supérieure à sa largeur. Dans une application, l'épaisseur du panneau isolant 1 est comprise entre 100 et 600 mm, de préférence entre 150 et 300 mm, par exemple égale à 205 mm. La largeur du panneau isolant 1 est comprise entre 400 et 800 mm, de préférence entre 500 et 700 mm, par exemple égale à 600 mm. La largeur du panneau isolant 1 est égale à la distance entre deux chevrons augmentée de la largeur d'un chevron. La largeur de la rainure 6 peut être comprise entre 20 et 120 mm, de préférence entre 35 et 60 mm, par exemple égale à 50 mm. La largeur de 50 mm convient notamment à un chevron de 60 mm de largeur. Ainsi, on peut prévoir une largeur de rainure 6 inférieure de 5 à 15 mm à la largeur du chevron correspondant.The groove 6 has a depth greater than its width. In one application, the thickness of the insulating panel 1 is between 100 and 600 mm, preferably between 150 and 300 mm, for example equal to 205 mm. The width of the insulating panel 1 is between 400 and 800 mm, preferably between 500 and 700 mm, for example equal to 600 mm. The width of the insulating panel 1 is equal to the distance between two rafters increased by the width of a chevron. The width of the groove 6 may be between 20 and 120 mm, preferably between 35 and 60 mm, for example equal to 50 mm. The width of 50 mm is particularly suitable for a rafter of 60 mm width. So, we may provide a groove width 6 of 5 to 15 mm less than the width of the corresponding chevron.

La profondeur de la rainure 6 dans le sens de l'épaisseur du panneau isolant 1 peut être comprise entre 40 et 200 mm, de préférence entre 50 et 90 mm, par exemple égale à 60 mm. La profondeur de 60 mm convient à un chevron de 80 mm de hauteur tout en laissant un espace de 20 mm de hauteur au-dessus de la face supérieure 2 entre les faces latérales 20d et 21c des chevrons 20 et 21.The depth of the groove 6 in the direction of the thickness of the insulating panel 1 may be between 40 and 200 mm, preferably between 50 and 90 mm, for example equal to 60 mm. The depth of 60 mm is suitable for a chevron 80 mm in height while leaving a space of 20 mm height above the upper face 2 between the side faces 20d and 21c of the rafters 20 and 21.

La première surface 8 de la rainure 6 est en contact avec la face inférieure 20a du chevron 20 avec une pression de contact faible.The first surface 8 of the groove 6 is in contact with the lower face 20a of the chevron 20 with a low contact pressure.

On peut prévoir des dimensions nominales égales entre la hauteur du chevron prise dans le sens de l'épaisseur du panneau isolant 1 et la somme de la profondeur de la rainure et de l'éventuel espace entre les chevrons au-dessus de la face supérieure 2 du panneau isolant 1. Le contact est assuré entre la première surface 8 de la rainure 6 et la face inférieure 20a du chevron 20 tout en évitant une déformation. On peut ainsi conserver une bonne planéité du premier côté longitudinal 4 du panneau isolant 1 pour le contact avec le deuxième côté longitudinal d'un panneau adjacent, visible sur la figure 5. Le deuxième côté longitudinal 5 d'un deuxième panneau vient en contact avec la face latérale 20c du chevron 20 et le premier côté longitudinal 4 du panneau isolant 1.Equivalent nominal dimensions can be provided between the height of the chevron taken in the direction of the thickness of the insulating panel 1 and the sum of the depth of the groove and the possible space between the rafters above the upper face 2 of the insulating panel 1. The contact is provided between the first surface 8 of the groove 6 and the lower face 20a of the chevron 20 while avoiding deformation. We can thus maintain a good flatness of the first longitudinal side 4 of the insulating panel 1 for contact with the second longitudinal side of an adjacent panel, visible on the figure 5 . The second longitudinal side 5 of a second panel comes into contact with the lateral face 20c of the chevron 20 and the first longitudinal side 4 of the insulating panel 1.

Dans l'état représenté sur la figure 2, le panneau isolant 1 est retenu entre les chevrons 20 et 21 en raison de l'élasticité dans le sens de la largeur offert par la région déformable dudit panneau isolant 1 située entre l'encoche 7 et la face supérieure 2, à proximité de la deuxième surface 9 de la rainure 6. Par ailleurs, l'encoche 7 en accroissant l'aptitude à la déformation de ladite région déformable permet de réduire une déformation éventuelle de la partie du deuxième côté longitudinal 5 en contact avec la face latérale 21c du chevron 21. En effet, une déformation du deuxième côté longitudinal 5 est préférablement à éviter afin d'offrir une surface plane pour le contact avec le premier côté longitudinal 4 d'un panneau adjacent dont la rainure 6 vient entourer le chevron 21. Dans le mode sans encoche, la déformation est locale.In the state represented on the figure 2 , the insulating panel 1 is retained between the rafters 20 and 21 because of the elasticity in the width direction offered by the deformable region of said insulating panel 1 located between the notch 7 and the upper face 2, close to the second surface 9 of the groove 6. Furthermore, the notch 7 by increasing the deformability of said deformable region makes it possible to reduce any deformation of the part of the second longitudinal side 5 in contact with the lateral face 21c of the chevron 21. Indeed, a deformation of the second longitudinal side 5 is preferably to be avoided in order to provide a flat surface for the contact with the first longitudinal side 4 of an adjacent panel whose groove 6 surrounds the rafter 21. In the mode without notch, the deformation is local.

Sur les figures 3 et 4, une suspente 30 est montrée respectivement dans l'état dans lequel ladite suspente 30 est fixée à un chevron et permet l'insertion d'un panneau isolant 1 et dans l'état dans lequel ladite suspente 30 participe au maintien en place de deux panneaux isolants situés chacun d'un côté. La suspente 30 présente essentiellement une forme de languette de faible épaisseur. La suspente 30 peut être réalisée en métal, par exemple en acier galvanisé. La suspente 30 est monobloc. La suspente 30 peut présenter une épaisseur comprise entre 0,4 et 10 mm, de préférence entre 0,5 et 0,8 mm. La suspente 30 présente un corps de forme générale rectangulaire 31 muni de trous 32 permettant le passage de vis de fixation sur un chevron. Les trous 32 sont disposés à une première extrémité du corps 31. A l'extrémité opposée du corps 31 dans le sens de la longueur dudit corps, la suspente 30 est munie d'un organe de support 33 d'une lisse ou fourrure sous la forme de deux saillies s'étendant latéralement.On the Figures 3 and 4 , a hanger 30 is shown respectively in the state in which said hanger 30 is fixed to a chevron and allows the insertion of an insulating panel 1 and in the state in which said hanger 30 participates in the retention of two panels insulators each located on one side. The hanger 30 has essentially a thin tongue shape. The hanger 30 may be made of metal, for example galvanized steel. The hanger 30 is monobloc. The hanger 30 may have a thickness of between 0.4 and 10 mm, preferably between 0.5 and 0.8 mm. The hanger 30 has a generally rectangular shaped body 31 provided with holes 32 allowing the passage of fastening screws on a chevron. The holes 32 are arranged at a first end of the body 31. At the opposite end of the body 31 in the longitudinal direction of said body, the hanger 30 is provided with a support member 33 of a stringer or fur under the form of two protrusions extending laterally.

La suspente 30 comprend également deux pattes décalées par rapport à l'organe d'accrochage 33 en direction de l'autre extrémité. Les pattes 34 et 35 sont obtenues pas découpe partielle à partir du corps 31. Les pattes 34 et 35 sont rattachées au corps 31 par une portion continue sur une faible longueur, par exemple de l'ordre d'un centimètre et sont séparées du corps 31 par une découpe du côté de l'extrémité pourvue des trous 32. La longueur des pattes 34 et 35 peut être de l'ordre de 40 à 70 % de la longueur totale de la suspente 30. La largeur des pattes 34 et 35 est nettement plus faible que la largeur du corps 31 de manière que l'opération de pliage provoque le pliage des pattes 34 et 35 tout en conservant la forme plate du corps 31.The hanger 30 also comprises two lugs offset relative to the fastening member 33 towards the other end. The tabs 34 and 35 are obtained by partial cutting from the body 31. The tabs 34 and 35 are attached to the body 31 by a continuous portion over a short length, for example of the order of one centimeter and are separated from the body 31 by a cutout on the side of the end provided with the holes 32. The length of the tabs 34 and 35 may be of the order of 40 to 70% of the total length of the hanger 30. The width of the legs 34 and 35 is significantly smaller than the width of the body 31 so that the folding operation causes the tabs 34 and 35 to bend while retaining the flat shape of the body 31.

De par le matériau de la suspente 30, les pattes 34 et 35 peuvent être pliées sensiblement à angle droit de manière à venir soutenir les faces inférieures 3 de deux panneaux voisins. La suspente 30, prévue pour être disposée entre deux panneaux voisins, présente une épaisseur faible. Sur la figure 5 est illustré un système d'isolation en place installé en rampant sous une toiture. De la charpente n'ont été représentés que les chevrons 20 et 21 de manière à simplifier le dessin. Une suspente 30 est fixée au chevron 21, par exemple, par vissage. La plus grande partie du corps 31 de la suspente 30 est disposée entre le premier côté longitudinal 4 d'un premier panneau isolant et le deuxième côté longitudinal 5 d'un deuxième panneau isolant, lesdits côtés longitudinaux étant en contact l'un avec l'autre sur leur longueur à l'exception du lieu où est disposée la suspente 30.By the material of the hanger 30, the tabs 34 and 35 can be folded substantially at right angles so as to support the lower faces 3 of two adjacent panels. The hanger 30, intended to be arranged between two adjacent panels, has a small thickness. On the figure 5 is illustrated an in-place insulation system installed by crawling under a roof. Framing was only represented the rafters 20 and 21 so as to simplify the drawing. A line 30 is fixed to the chevron 21, for example, by screwing. Most of the body 31 of the hanger 30 is disposed between the first longitudinal side 4 of a first insulating panel and the second longitudinal side 5 of a second insulating panel, said longitudinal sides being in contact with each other. other on their length except for the place where the hanger 30 is arranged.

Les pattes 34 et 35 ont été pliées à angle droit. Les pattes 34 et 35 participent au maintien en place des panneaux isolants. Une fourrure ou lisse 36 est accrochée à l'organe d'accrochage 33 de la suspente 30. Un espace peut être laissé entre la lisse et la et la face inférieure 3. Les fourrures ou lisses sont disposées horizontalement à intervalles réguliers. Sous la lisse 36 est fixée une plaque de plâtre 37, par exemple au moyen de vis.The tabs 34 and 35 have been bent at right angles. The tabs 34 and 35 participate in holding in place the insulating panels. A fur or smooth 36 is hooked to the attachment member 33 of the hanger 30. A space can be left between the smooth and the lower face 3. The furs or smooth are arranged horizontally at regular intervals. Under the plate 36 is fixed a plasterboard 37, for example by means of screws.

Le système isolant ainsi constitué offre d'excellentes performances thermiques. La face inférieure des chevrons est recouverte par une épaisseur significative d'isolant. Les chevrons eux-mêmes participent à l'isolation en raison de leurs propriétés intrinsèques.The insulating system thus formed offers excellent thermal performance. The underside of the rafters is covered by a significant thickness of insulation. The rafters themselves participate in the insulation because of their intrinsic properties.

La pose du système isolant peut être effectuée de la manière suivante. Un opérateur procède d'abord à la pose des suspentes 30 sur une face latérale 20c, 21c des chevrons à l'aide d'un gabarit ou de repères prédéterminés, les suspentes étant dans l'état illustré sur la figure 3. Les pattes 34 et 35 sont coplanaires au corps 31 de la suspente 30. Les pattes 34 et 35 laissent libre le passage pour installer les panneaux isolants 1. Puis, l'opérateur insère les panneaux isolants 1 entre les chevrons. Chaque chevron se retrouve ainsi disposé dans une rainure 6 d'un panneau isolant 1. Les suspentes 30 fournissent un guide pour l'insertion des panneaux isolants 1. L'insertion du panneau 1 entre les chevrons adjacents 20 et 21 peut nécessiter un léger effort. A cette étape, l'effort peut être assuré par les deux mains de l'opérateur qui, une fois cette opération effectuée, a une main libérée par la retenue assurée par le serrage entre les chevrons.The laying of the insulating system can be carried out as follows. An operator proceeds first to the installation of the lines 30 on a lateral face 20c, 21c of the rafters using a template or predetermined markings, the lines being in the state illustrated on the figure 3 . The tabs 34 and 35 are coplanar with the body 31 of the hanger 30. The tabs 34 and 35 leave the passage free to install the insulating panels 1. Then, the operator inserts the insulating panels 1 between the rafters. Each chevron is thus disposed in a groove 6 of an insulating panel 1. The lines 30 provide a guide for the insertion of the insulating panels 1. The insertion of the panel 1 between adjacent chevrons 20 and 21 may require a slight effort . At this stage, the effort can be provided by the two hands of the operator who, once this is done, has a hand released by the restraint provided by the clamping between the rafters.

Puis, une fois le panneau 1 inséré, l'opérateur d'une main maintient ledit panneau 1 tout en bénéficiant de la retenue assurée par l'élasticité de la zone déformable du panneau isolant 1 en contact avec la deuxième surface 9 de la rainure 6. De l'autre main l'opérateur vient plier à angle droit une patte 34 d'un côté du panneau isolant 1 et une patte 35 de l'autre côté du panneau isolant 1 assurant ainsi une retenue aux deux extrémités latérales de la face inférieure 3 d'un panneau isolant 1. Bien entendu, ce qui a été décrit en coupe transversale illustrée sur la figure 5, est reproduit à intervalles réguliers dans le sens de la longueur des panneaux isolants 1 et des chevrons pour assurer une retenue suffisante. Un panneau isolant peut être retenu par 4, 6 ou 8 pattes environ.Then, once the panel 1 inserted, the operator of a hand maintains said panel 1 while enjoying the restraint provided by the elasticity of the deformable zone of the panel insulator 1 in contact with the second surface 9 of the groove 6. With the other hand the operator comes to bend at right angles a tab 34 on one side of the insulating panel 1 and a tab 35 on the other side of the insulating panel 1 thus ensuring retention at both lateral ends of the lower face 3 of an insulating panel 1. Of course, what has been described in cross section illustrated on the figure 5 , is reproduced at regular intervals in the direction of the length of insulating panels 1 and rafters to ensure sufficient retention. An insulating panel can be retained by 4, 6 or 8 legs approximately.

Le panneau voisin peut être inséré de la même manière tout en bénéficiant de l'absence d'aspérité offerte par la suspente 30 avant le pliage de la patte destinée audit panneau isolant correspondant. Une fois les panneaux isolants mis en place, l'opérateur procède à la pose et à l'accrochage des fourrures ou lisses 36. L'opérateur procède enfin à la pose des plaques plâtrières 37. Pour la pose des panneaux isolants, l'opérateur peut travailler seul.The neighboring panel can be inserted in the same way while benefiting from the lack of roughness offered by the hanger 30 before folding the lug for said corresponding insulating panel. Once the insulating panels have been put in place, the operator proceeds with the laying and hooking of the furs or smooths 36. Finally, the operator proceeds with the laying of the plastering plates 37. For the installation of the insulating panels, the operator can work alone.

En figures 6 à 8, un deuxième mode de réalisation d'une suspente est représenté. Une suspente 30 est montrée respectivement dans l'état dans lequel ladite suspente 30 est fixée à un chevron et permet l'insertion d'un panneau isolant 1 et dans l'état dans lequel ladite suspente 30 participe au maintien en place de deux panneaux isolants situés chacun d'un côté. La suspente 30 présente essentiellement une forme de languette de faible épaisseur. La suspente 30 peut être réalisée en métal, par exemple en acier galvanisé. La suspente 30 est monobloc. La suspente 30 peut présenter une épaisseur comprise entre 0,4 et 1 mm, préférablement entre 0,5 et 0,8 mm. La suspente 30 présente un corps 31 muni de trous 32 permettant le passage de vis de fixation sur un chevron. Les trous 32 sont disposés à une première extrémité du corps 31. A l'extrémité opposée du corps 31 dans le sens de la longueur dudit corps, la suspente 30 est munie d'un organe de support 33 d'une lisse ou fourrure sous la forme de deux saillies s'étendant latéralement. Le corps 31 présente une forme générale de croix latine avec deux extensions latérales 39 et 40. Les extensions latérales 39 et 40 sont carrées.In Figures 6 to 8 a second embodiment of a hanger is shown. A hanger 30 is shown respectively in the state in which said hanger 30 is fixed to a chevron and allows the insertion of an insulating panel 1 and in the state in which said hanger 30 participates in the retention in place of two insulating panels each located on one side. The hanger 30 has essentially a thin tongue shape. The hanger 30 may be made of metal, for example galvanized steel. The hanger 30 is monobloc. The hanger 30 may have a thickness of between 0.4 and 1 mm, preferably between 0.5 and 0.8 mm. The hanger 30 has a body 31 provided with holes 32 allowing the passage of fixing screws on a chevron. The holes 32 are arranged at a first end of the body 31. At the opposite end of the body 31 in the longitudinal direction of said body, the hanger 30 is provided with a support member 33 of a stringer or fur under the form of two protrusions extending laterally. The body 31 has a general shape of a Latin cross with two lateral extensions 39 and 40. The lateral extensions 39 and 40 are square.

La suspente 30 comprend également deux pattes 34 et 35 décalées par rapport à l'organe d'accrochage 33 en direction de l'autre extrémité. Les pattes 34 et 35 sont issues des extensions latérales 39 et 40. Les pattes 34 et 35 sont obtenues pas découpe partielle à partir du corps 31. Les pattes 34 et 35 sont rattachées au corps 31 par une portion continue sur une faible longueur, par exemple de l'ordre d'un centimètre et sont séparées du corps 31 par une découpe du côté de l'extrémité pourvue des trous 32. La longueur des pattes 34 et 35 peut être de l'ordre de 30 à 70 % de la longueur totale de la suspente 30. La largeur des pattes 34 et 35 est nettement plus faible que la largeur du corps 31 de manière que l'opération de pliage provoque le pliage des pattes 34 et 35 tout en conservant la forme plate du corps 31 et des extensions latérales 39 et 40. Les pattes 34 et 35 sont pliées dans la même direction, cf figure 7. Les pattes 34 et 35 sont pliées sensiblement à angle droit.The hanger 30 also comprises two tabs 34 and 35 offset relative to the fastening member 33 towards the other end. The tabs 34 and 35 are derived from the lateral extensions 39 and 40. The tabs 34 and 35 are obtained by partial cutting from the body 31. The tabs 34 and 35 are attached to the body 31 by a continuous portion over a short length, for example. example of the order of one centimeter and are separated from the body 31 by a cutout on the side of the end provided with the holes 32. The length of the legs 34 and 35 may be of the order of 30 to 70% of the length total of the hanger 30. The width of the tabs 34 and 35 is significantly smaller than the width of the body 31 so that the folding operation causes the folding of the tabs 34 and 35 while maintaining the flat shape of the body 31 and the lateral extensions 39 and 40. The tabs 34 and 35 are folded in the same direction, cf. figure 7 . The tabs 34 and 35 are folded substantially at right angles.

Du côté des extensions latérales 39 et 40 opposé aux pattes 34 et 35, la suspente 30 comprend une anse 38 entourant l'organe de support 33. L'anse 38 est en concordance de forme avec le corps 31 entre les extensions latérales 39 et 40 et l'organe de support 33 et avec l'organe de support 33. L'anse 38 est en forme de U. L'anse 38 présente des bords extérieurs alignés avec les bords extérieurs des pattes 34 et 35. L'anse 38 est formée par découpe d'un flan de tôle. L'anse 38 est pliée dans la direction opposée aux pattes 34 et 35, cf figure 7. L'anse 38 est pliée sensiblement à angle droit. L'anse 38 forme une patte pliable de maintien pour un panneau.On the side extension side 39 and 40 opposite the tabs 34 and 35, the hanger 30 comprises a handle 38 surrounding the support member 33. The handle 38 is in register with the body 31 between the lateral extensions 39 and 40 and the support member 33 and with the support member 33. The handle 38 is U-shaped. The handle 38 has outer edges aligned with the outer edges of the tabs 34 and 35. The handle 38 is formed by cutting a blank sheet. The handle 38 is folded in the opposite direction to the tabs 34 and 35, cf. figure 7 . The handle 38 is bent substantially at right angles. The handle 38 forms a foldable tab for holding a panel.

De par la hauteur des extensions latérales 39 et 40, l'anse 38 et les pattes 34 et 35 sont décalées en hauteur. En d'autres termes, l'anse 38 et les pattes 34 et 35 sont décalées dans le sens de l'épaisseur du panneau isolant 1, cf figure 8. Le décalage est négligeable.By the height of the lateral extensions 39 and 40, the handle 38 and the tabs 34 and 35 are offset in height. In other words, the handle 38 and the tabs 34 and 35 are offset in the direction of the thickness of the insulating panel 1, cf. figure 8 . The lag is negligible.

Claims (11)

Panneau isolant (1) présentant une face supérieure (2) et une face inférieure (3) parallèle et opposée à la face supérieure, un premier côté longitudinal (4) et un deuxième côté longitudinal (5), parallèle et opposé au premier côté longitudinal (4), ledit panneau comprenant un corps en laine de roche ; au moins une rainure (6) profilée étant ménagée dans ledit panneau isolant (1) à partir de la face supérieure (2) et du premier côté longitudinal (4), ladite rainure (6) étant de section rectangulaire avec une première surface (8) parallèle à la face supérieure (2) et plus proche de la face supérieure que de la face inférieure et une deuxième surface (9) parallèle au premier côté longitudinal (4), le premier côté longitudinal (4) étant plan entre la rainure (6) et la face inférieure (3), le deuxième côté longitudinal (5) étant plan et s'étendant continument entre la face supérieure (2) et la face inférieure (3), la deuxième surface (9) de la rainure (6) étant plane et s'étendant continument à partir de la face supérieure (2), au moins une encoche (7) profilée étant ménagée dans ledit panneau isolant (1) à partir de la deuxième surface (9) de la rainure (6), ladite encoche (7) étant de profondeur supérieure à sa largeur, ladite encoche (7) présentant un premier bord (10) et un deuxième bord (11) parallèle et opposé au premier bord, le premier bord (10) étant plus proche de la face inférieure (3) et le deuxième bord (11) plus proche de la face supérieure (3), le premier bord (10) étant coplanaire avec la première surface (8) de la rainure, la deuxième surface (9) de la rainure (6) s'étendant continument entre la face supérieure (2) et l'encoche (7).Insulating panel (1) having an upper face (2) and a lower face (3) parallel to and opposite to the upper face, a first longitudinal side (4) and a second longitudinal side (5), parallel and opposite to the first longitudinal side (4), said panel comprising a rock wool body; at least one profiled groove (6) being formed in said insulating panel (1) from the upper face (2) and the first longitudinal side (4), said groove (6) being of rectangular section with a first surface (8) parallel to the upper face (2) and closer to the upper face than the lower face and a second surface (9) parallel to the first longitudinal side (4), the first longitudinal side (4) being plane between the groove ( 6) and the lower face (3), the second longitudinal side (5) being plane and extending continuously between the upper face (2) and the lower face (3), the second surface (9) of the groove (6). ) being planar and extending continuously from the upper face (2), at least one profiled notch (7) being formed in said insulating panel (1) from the second surface (9) of the groove (6) said notch (7) being of greater depth than its width, said notch (7) being sensing a first edge (10) and a second edge (11) parallel and opposite to the first edge, the first edge (10) being closer to the lower face (3) and the second edge (11) closer to the upper face (3), the first edge (10) being coplanar with the first surface (8) of the groove, the second surface (9) of the groove (6) extending continuously between the upper face (2) and the notch (7). Panneau selon la revendication 1, dans lequel la deuxième surface (9) de la rainure (6) est plane et s'étend continument entre la face supérieure (2) et la première surface (8) de la rainure (6).Panel according to claim 1, wherein the second surface (9) of the groove (6) is flat and extends continuously between the upper face (2) and the first surface (8) of the groove (6). Panneau selon l'une quelconque des revendications précédentes, dans lequel la distance entre la deuxième surface (9) et le premier côté longitudinal (4) est inférieure à la distance entre la face supérieure (2) et la première surface (8).A panel as claimed in any one of the preceding claims, wherein the distance between the second surface (9) and the first longitudinal side (4) is less than the distance between the upper face (2) and the first surface (8). Panneau selon l'une quelconque des revendications précédentes, dans lequel la masse volumique du panneau est comprise entre 20 et 80 kg par mètre cube, de préférence entre 45 et 60 kg par mètre cube.Panel according to any one of the preceding claims, wherein the density of the panel is between 20 and 80 kg per cubic meter, preferably between 45 and 60 kg per cubic meter. Panneau selon l'une quelconque des revendications précédentes, dans lequel la distance entre la face supérieure (2) et la face inférieure (3) est comprise entre 100 et 600 mm, de préférence entre 150 et 300 mm et la distance entre le premier côté longitudinal (4) et le deuxième côté longitudinal (5) est comprise entre 400 et 800 mm, de préférence entre 500 et 700 mm.Panel according to any one of the preceding claims, wherein the distance between the upper face (2) and the lower face (3) is between 100 and 600 mm, preferably between 150 and 300 mm and the distance between the first longitudinal side (4) and the second longitudinal side (5) is between 400 and 800 mm, preferably between 500 and 700 mm. Panneau selon l'une quelconque des revendications précédentes, dans lequel la distance entre la face supérieure (2) et la première surface (8) de la rainure est comprise entre 40 et 200 mm, de préférence entre 50 et 80 mm.Panel according to any one of the preceding claims, wherein the distance between the upper face (2) and the first surface (8) of the groove is between 40 and 200 mm, preferably between 50 and 80 mm. Panneau selon l'une quelconque des revendications précédentes, dans lequel la distance entre le premier côté longitudinal (4) et la deuxième surface (9) de la rainure est comprise entre 20 et 120 mm, de préférence entre 35 et 60 mm.A panel according to any one of the preceding claims wherein the distance between the first longitudinal side (4) and the second surface (9) of the groove is between 20 and 120 mm, preferably between 35 and 60 mm. Panneau selon la revendication 1, dans lequel la profondeur de l'encoche (7), prise entre la deuxième surface (9) de la rainure et le fond de l'encoche (7) est comprise entre 80 et 40 mm, préférablement entre 10 et 20 mm.Panel according to claim 1, wherein the depth of the notch (7), taken between the second surface (9) of the groove and the bottom of the notch (7) is between 80 and 40 mm, preferably between 10 and 20 mm. Système d'isolation comprenant au moins deux panneaux dont au moins l'un (1) selon l'une quelconque des revendications précédentes, et au moins une suspente (30) disposée entre deux panneaux, en contact avec le premier côté longitudinal dudit panneau et avec le deuxième côté longitudinal d'un panneau voisin, la suspente comprenant une première extrémité plane affleurant la rainure, une deuxième extrémité opposée à la première en saillie par rapport à la face inférieure (3) dudit panneau et munie d'un organe de support (33) prévu pour supporter une lisse (36) à plaques plâtrières et des pattes (34, 35) pliables, l'une pour contact avec la face inférieure (3) dudit panneau (1), l'autre pour contact avec la face inférieure du panneau voisin, la suspente étant monobloc.An insulation system comprising at least two panels including at least one (1) according to any one of the preceding claims, and at least one hanger (30) disposed between two panels, in contact with the first longitudinal side of said panel and with the second longitudinal side of a neighboring panel, the hanger comprising a first flat end flush with the groove, a second end opposite the first projecting from the underside (3) of said panel and provided with a support member (33) adapted to support a plasterboard plate (36) and foldable tabs (34, 35), one for contact with the underside (3) of said panel (1), the other for contact with the face lower of the neighboring panel, the hanger being monobloc. Système selon la revendication 9, dans lequel les pattes (34, 35) sont disposées d'un côté et de l'autre d'une portion centrale (31) s'étendant de la première extrémité à la deuxième extrémité.The system of claim 9, wherein the tabs (34, 35) are disposed on one side and the other of a central portion (31) extending from the first end to the second end. Procédé de pose d'une isolation sous toiture dans lequel : a) on fixe une première suspente à un premier chevron et une deuxième suspente à un deuxième chevron voisin du premier, b) on amène un panneau isolant selon l'une quelconque des revendications 1 à 6, la deuxième surface de ladite rainure en contact avec le bord du premier chevron et le deuxième côté longitudinal en contact avec le bord du deuxième chevron, la première surface de ladite rainure en contact avec le premier chevron, les premier et deuxième chevrons exerçant un effort non nul de compression entre la deuxième surface de ladite rainure et le deuxième côté longitudinal, c) on plie une patte de la première suspente et une patte de la deuxième suspente contre la face inférieure du panneau, chacune à une extrémité latérale de ladite face inférieure, une patte de la première suspente et une patte de la deuxième suspente restant disponibles pour des panneaux adjacents respectifs. Method of laying a roof insulation in which: a) a first hanger is fixed to a first chevron and a second hanger to a second chevron adjacent to the first, b) an insulating panel according to any one of claims 1 to 6 is provided, the second surface of said groove in contact with the edge of the first chevron and the second longitudinal side in contact with the edge of the second chevron, the first surface of said groove in contact with the first chevron, the first and second rafters exerting a non-zero compressive force between the second surface of said groove and the second longitudinal side, c) a tab of the first line and a tab of the second line against the underside of the panel, each at a lateral end of said bottom face, a tab of the first line and a leg of the second line remaining available for adjacent adjacent panels.
EP16205141.1A 2015-12-23 2016-12-19 Rock wool insulating panels, insulation system and installation method Active EP3184711B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL16205141T PL3184711T3 (en) 2015-12-23 2016-12-19 Rock wool insulating panels, insulation system and installation method

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FR1563254 2015-12-23

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EP3184711A1 true EP3184711A1 (en) 2017-06-28
EP3184711B1 EP3184711B1 (en) 2018-08-15

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DK (1) DK3184711T3 (en)
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3093746A1 (en) 2019-03-12 2020-09-18 Pieces Et Accessoires Industriels - P.A.I. Longitudinal flat hanger
FR3127509A1 (en) 2021-09-30 2023-03-31 Chabanne Set for attaching a frame to a support

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3218695A1 (en) * 1982-03-31 1983-10-06 Rib Roof Dachprofile Gmbh & Co Structural panel
EP0319390A1 (en) * 1987-11-30 1989-06-07 Placoplatre Hanger for a frame element, particularly for a steel frame ceiling
EP0683288A1 (en) * 1994-05-20 1995-11-22 SOCIETE CIVILE NEURONE Société Civile dite : Facing panel of composite material for producing a façade covering
BE1016469A6 (en) * 2005-02-24 2006-11-07 Gerapan Bvba Fire-prevention and sound-insulating construction is for building formation and comprises rigid insulation strips, between which laths are fitted, in accordance with a structure covered by at least one plate

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3218695A1 (en) * 1982-03-31 1983-10-06 Rib Roof Dachprofile Gmbh & Co Structural panel
EP0319390A1 (en) * 1987-11-30 1989-06-07 Placoplatre Hanger for a frame element, particularly for a steel frame ceiling
EP0683288A1 (en) * 1994-05-20 1995-11-22 SOCIETE CIVILE NEURONE Société Civile dite : Facing panel of composite material for producing a façade covering
BE1016469A6 (en) * 2005-02-24 2006-11-07 Gerapan Bvba Fire-prevention and sound-insulating construction is for building formation and comprises rigid insulation strips, between which laths are fitted, in accordance with a structure covered by at least one plate

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3093746A1 (en) 2019-03-12 2020-09-18 Pieces Et Accessoires Industriels - P.A.I. Longitudinal flat hanger
FR3127509A1 (en) 2021-09-30 2023-03-31 Chabanne Set for attaching a frame to a support

Also Published As

Publication number Publication date
DK3184711T3 (en) 2018-11-19
EP3184711B1 (en) 2018-08-15
PL3184711T3 (en) 2019-06-28

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