EP2775062B1 - Wärmedämmvorrichtung von außen für eine Gebäudewand, und Verfahren zur Anbringung einer solchen Vorrichtung - Google Patents

Wärmedämmvorrichtung von außen für eine Gebäudewand, und Verfahren zur Anbringung einer solchen Vorrichtung Download PDF

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Publication number
EP2775062B1
EP2775062B1 EP14155071.5A EP14155071A EP2775062B1 EP 2775062 B1 EP2775062 B1 EP 2775062B1 EP 14155071 A EP14155071 A EP 14155071A EP 2775062 B1 EP2775062 B1 EP 2775062B1
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EP
European Patent Office
Prior art keywords
layer
rigid
spacers
insulant
facing plate
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EP14155071.5A
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English (en)
French (fr)
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EP2775062A1 (de
Inventor
Jacques Pigerre
Albert Vandebroeck
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Individual
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Individual
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Priority to PL14155071T priority Critical patent/PL2775062T3/pl
Priority to EP14155071.5A priority patent/EP2775062B1/de
Publication of EP2775062A1 publication Critical patent/EP2775062A1/de
Priority to PCT/EP2015/051983 priority patent/WO2015121090A1/fr
Priority to US15/118,131 priority patent/US20170247889A1/en
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Publication of EP2775062B1 publication Critical patent/EP2775062B1/de
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/0801—Separate fastening elements
    • E04F13/0803—Separate fastening elements with load-supporting elongated furring elements between wall and covering elements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • E04B1/7608—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only comprising a prefabricated insulating layer, disposed between two other layers or panels
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • E04B1/762—Exterior insulation of exterior walls
    • E04B1/7645—Exterior insulation of exterior walls with ventilation means for the insulation
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • E04B1/78—Heat insulating elements
    • E04B1/80—Heat insulating elements slab-shaped
    • E04B1/806—Heat insulating elements slab-shaped with air or gas pockets included in the slab
    • 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
    • E04D13/1643—Insulation of the roof covering characterised by its integration in the roof structure the roof structure being formed by load bearing corrugated sheets, e.g. profiled sheet metal roofs
    • E04D13/165—Double skin roofs
    • 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
    • E04D13/1662—Inverted roofs or exteriorly insulated roofs
    • 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
    • E04D13/17—Ventilation of roof coverings not otherwise provided for
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D3/00—Roof covering by making use of flat or curved slabs or stiff sheets
    • E04D3/36—Connecting; Fastening
    • E04D3/3608—Connecting; Fastening for double roof covering or overroofing
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/0862—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements composed of a number of elements which are identical or not, e.g. carried by a common web, support plate or grid
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/0875—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements having a basic insulating layer and at least one covering layer
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/12—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements of metal or with an outer layer of metal or enameled metal
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B2001/742—Use of special materials; Materials having special structures or shape
    • E04B2001/748—Honeycomb materials

Definitions

  • the invention relates to a thermal insulation device from the outside of a building wall, in particular applicable to walls and roofs, and more particularly to such a device that also makes it possible to protect the wall and the insulation against deterioration by climatic aggressions such as sun, wind, snow, rain, etc.
  • the invention also relates to a method for producing and implementing such a thermal insulation device.
  • the first is to provide on the inner face of the walls or roof of the building the laying of insulating materials such as glass wool, in greater or lesser thickness for the desired coefficient of thermal insulation.
  • insulating materials such as glass wool
  • the thickness of the insulation device encroaches on the living space of the parts to be insulated.
  • the second technique is to isolate the walls of the building from the outside, that is to say to apply and fix on the outside walls and roofs a layer of insulating material.
  • the insulation is subjected to climatic aggressions which can deteriorate it quickly.
  • EP 2 390 436 discloses yet another external insulation device comprising a rigid and perforated facing plate, spacers forming an air gap between the facing plate and the building wall, and a layer of granular insulation between the facing plate and the wall of the building.
  • the present invention therefore aims to provide an insulation device from the outside of the walls of a building that has improved resistance to climatic aggressions.
  • the invention also aims to provide such a thermal insulation device which is adapted to isolate walls or roofs without major modification of the device.
  • the invention also aims to provide such a thermal insulation device that can be installed over or instead of an existing roof.
  • the invention further aims to provide such a thermal insulation device which has a high thermal inertia.
  • the invention also aims to provide such a thermal insulation device which has an improved ecological impact.
  • the invention relates to a thermal insulation device from the outside of a building wall with the features of claim 1.
  • the insulation device uses a rigid and impermeable insulating layer formed for example of polystyrene or expanded polyurethane plates, of thickness calculated as a function of the desired thermal resistance, itself dependent on the location of the the work.
  • This insulating layer may be made in one or more thicknesses made integral by gluing, for example, when the wall to be covered has asperities where the first thickness of insulation allows to equalize the surface and the second to achieve a continuous coverage .
  • the insulating layer is fixed by its contact face on the wall to be insulated, directly or after interposition of a vapor barrier according to the nature of the wall to be insulated, if necessary fixed on nailed, glued battens or screwed on this wall.
  • a rigid and perforated facing plate for example one or more sheets of perforated metal sheet at a distance from the outer face of the insulating layer, protects the latter from the main attacks. climate.
  • a perforated sheet metal plate allows the surrounding air to circulate on either side of the plate and maintains a much lower surface temperature than that of a solid plate when exposed to direct sunlight.
  • the insulating layer is shaded and subtracted from the influence of direct sunlight. For example a perforation rate of the order of 20% allows sufficient air circulation while retaining 80% of the surface of the insulator in the shade.
  • a face plate with perforations of 5 mm and placed at 150 mm from the outer face of the insulating layer limits the continuous exposure of the insulator for a horizontal wall to 7 minutes. level of the equator.
  • a rigid and perforated facing plate makes it possible to limit the degradation of the insulating layer under the effect of exposure to the sun. It also allows, thanks to its rigidity, to protect the layer of insulation against wind energy and the direct impact of rain or hail.
  • the perforated siding plate is a protective layer in the event of snow by supporting the weight of the layer of snow, minimize the risk of slipping it while allowing the evacuation of meltwater.
  • the thermal insulation device further comprises a layer of granular insulation between the insulating layer and the facing plate.
  • the granular insulator is a porous granular insulator, for example consisting of expanded clay beads or pumice gravel.
  • the thermal insulation device allows a regulation of the water flow rates by promoting a retention of water in the layer of granular insulation without having an adverse impact on the performance of the rigid and impermeable insulating layer that supports it.
  • the delayed release of the amount of water retained in the granular insulating layer contributes to maintain a moderate temperature on the outer walls of a construction thus equipped and, particularly under Tropical climates with fast alternations of precipitation and strong sunshine, allows a natural air conditioning of the environment of the structure.
  • the layer of granular insulation also contributes, depending on its nature, to fix certain pollutants contained in the precipitation water and improves the quality of the discharged water. Even when used in dry climates, the granular insulating layer makes it possible to increase the overall thermal inertia of the insulation device according to the invention and therefore to improve its performance.
  • the granular insulator used comprises expanded clay beads which may have, depending on their finish, either a good porosity or an impermeable surface.
  • the density of the expanded clay balls is relatively low, of the order of 500 kg / m 3 , which makes it possible to use them on the roof without excessively increasing the coverage, and exempts, subject to certain reservations, consolidation or modification. the existing support structure.
  • volcanic materials such as pumice or pozzolan can be used.
  • the granular insulation is contained in at least one nonwoven synthetic textile bag, in particular needle-punched geotextile.
  • the insulation device Preferably, it is possible to use rotable synthetic textile bags, for example polypropylene needled geotextile felt, which have the advantage of being naturally porous and of being able to be easily made in many dimensions by folding and thermo-welding the edges. between them.
  • each bag has a substantially cylindrical shape, with an axis defining an installation orientation and a diameter less than or equal to the distance between the outer face of the insulation layer and the facing plate.
  • the simplest form for bags containing the granular insulating layer is in the form of substantially cylindrical strands obtained by folding a textile rectangle along its length and welding its long edges between them. One of the short edges is then closed by thermo-welding and the bag is then filled with granular insulation.
  • the bag is only 80% filled to allow it to be crushed against the rigid insulating layer during placement.
  • the bag is only 80% filled to allow it to be crushed against the rigid insulating layer during placement.
  • each bag has a substantially parallelepipedal shape and comprises partitions, said partition walls, rectangular, parallel and regularly spaced whose long edges define an installation orientation and are attached to the main faces of each bag to maintain between said main faces a distance less than or equal to the distance between the outer face of the insulation layer and the facing plate.
  • the bags are in the form of rectangular cushions whose thickness is maintained substantially constant by interlayers.
  • the bags are made from two rectangles between which are welded partition walls forming parallel cells and which is welded to the edges parallel to the partitions and one of the perpendicular edges. The bags are then filled with the edge perpendicular to the partitions not yet welded so as to distribute substantially equally the granular insulation in the cells and the bag is closed by thermo-welding of the last edge.
  • each bag is perforated.
  • the geotextile felt used to make the bags is naturally porous, it is preferable to provide additional perforations to promote the entry of precipitation waters in the granular insulating layer.
  • it is the face of the bag facing the facing plate which is perforated in the case of a parallelepiped bag.
  • each bag is attached to the rigid insulation layer such that its installation orientation is orthogonal to a line of greater slope of the insulation layer.
  • the bags are fixed on the rigid insulation layer so that their largest dimension is orthogonal to the slope line of the wall .
  • the axis of the cylindrical bags or the direction of the partition walls of the parallelepiped bags is generally horizontal to avoid settling of the granular insulation at one end of the bag.
  • the rigid insulating layer has on its outer face an anti-depression coating on which the spacers are fixed.
  • an anti-sinking coating on the surface of the insulation of the rigid insulation layer.
  • Such a coating is often integrated from the manufacture of the insulation that is delivered glued on one side to a rigid plate ensuring the rigidity and protection against depressing insulation.
  • the anti-sinking coating is not originally part of the rigid insulation layer, it may be added in the form of a plate of sheet metal, preferably solid, or plywood bonded to it. insulation to form the rigid insulation layer.
  • the spacers are secured along orthogonal lines to a line of greater slope of the insulating layer in a staggered arrangement.
  • the spacers are preferentially made in the form of parallelepipeds rectangles bent perforated sheet, having optionally a main face partly open.
  • the spacers are placed evenly spaced, in parallel lines, orthogonal to the line of greatest slope of the wall on which the rigid insulation layer is fixed. In general, for vertical walls or roof panels, the spacers are aligned horizontally. On each line, the spacers are offset by half a step from the spacers of the adjacent lines. They are fixed by their longest side face on the anti-sinking coating of the rigid insulation layer by any appropriate means, for example by gluing, screwing, riveting or any combination of these means.
  • the spacers of the same line are interconnected by U-shaped beams to cap said spacers.
  • the facing plate is fixed on the U-shaped beams.
  • the spacers are made integral with each other by U-shaped beams, preferably made of folded perforated sheet and having two wings separated by a core of an inner width adapted to allow the two wings of the U to cap each spacer.
  • the minimum length of the beams is adapted so that each beam can at least partially cover a spacer at each end of the beam.
  • the mounting of the beams is preferably without overlapping so that the outer face of the core of each beam is in a common plane for each wall. It is thus possible to put the perforated facing plates on the beams and fix them in a simple manner, for example by means of blind rivets passing through the perforations of the facing plate and the beam.
  • the facing plate is adapted to receive roofing accessories adapted to be fixed on said facing plate.
  • the rigid and perforated facing plates make it possible to fix directly on the roof panels and / or on the walls devices such as Photovoltaic or fluid circulation solar panels and to guide their cables or connecting lines.
  • fluid circulation coils can be simply hung on the perforated facing plates, for example by means of collars, so as to constitute a heating network to accelerate the melting of a layer of snow deposited on the siding.
  • Other accessories for example networks of light spots can thus be arranged on the vertical walls to form display elements and / or lighting.
  • the facing plate is fixed between each line of spacers, on the outer face of the rigid insulation layer, bags of granular insulation.
  • each bag is arranged so that its largest dimension is parallel to the spacer lines.
  • the thermal insulation device 2 shown in FIG. figure 1 is intended to isolate a wall 1 of a building, (wall, sloped roof or terrace, etc.) by an applied fixture on the face of this wall facing the outside of the building.
  • the device 2 comprises a layer 3 of rigid and impermeable insulation fixed on the wall 1 by a contact face 31.
  • the layer 3 of rigid and impermeable insulation is for example constituted, in its thickness, at least one stratum 33 of insulating material such as expanded polystyrene or expanded polyurethane. These materials are generally in the form of closed cell foam making them impermeable to water. They also have good intrinsic rigidity, even if they are sometimes fragile.
  • the thickness of the insulating material is variable and may be formed of several layers of insulating material bonded together.
  • the rigid insulation layer 3 also has an anti-sinking coating 34 in the form of a plywood plate or sheet metal, preferably solid.
  • This coating 34 is generally bonded in the factory on one side of the thickness of the insulating material to allow it to have additional resistance to bending and to prevent the insulating material from being damaged during site manipulation. Otherwise, the coating 34 can be glued to layers of insulation material on site. It can be used for this a prepainted steel sheet with a thickness of 0.75 to 1 mm or a sheet of plywood 8 to 12 mm thick.
  • the layer 3 of rigid insulation may consist of a plurality of rectangular plates juxtaposed to cover the surface of the wall 1. These plates may comprise on their edge assembly means such as a bouvetage.
  • the thermal insulation device 2 is fixed on a vertical wall such as an outer wall, or on a sloping wall such as a roof pan.
  • a vertical wall such as an outer wall
  • a sloping wall such as a roof pan.
  • the isolation device according to the invention it is possible to use the isolation device according to the invention directly on the frame or on a roof already made when it is sheet metal, for example formed of steel tanks.
  • the layer 3 of rigid insulation is preferably adhered to the wall by adhesive beads, for example expansive foam if necessary assisted by anchors.
  • Other attachment methods known to those skilled in the art for external insulation may also be employed as long as they allow sufficient insulation to be held on the wall.
  • the existing roof for example when it consists of flat sheets having at regular intervals stiffeners trapezoidal section (steel tanks).
  • stiffeners trapezoidal section (steel tanks).
  • the laying of the layer 3 of rigid insulation is then completed by bonding on this layer of a second layer of insulating material comprising the coating 34 anti-punching.
  • spacers 4 of generally parallelepiped shape (rectangular parallelepiped). These spacers 4 are made for example of lacquered perforated sheet and formed by folding and riveting. These spacers 4 are fixed for example by gluing and / or riveting and / or screwing on the anti-punching coating 34, interposing a reinforcing plate 13 if necessary ( figure2 ).
  • the spacers 4 are fixed on their face corresponding to the thickness and the length of the parallelepiped, regularly spaced along a pitch P, aligned along the length of the spacer along lines orthogonal to the slope of the wall 1
  • the spacers 4 are aligned in horizontal lines themselves regularly spaced from each other.
  • the spacers 4 are 250 mm long, 150 mm wide and 70 mm thick. They are arranged in a 600 mm pitch on a horizontal line and offset by half a step on the adjacent lines.
  • the spacing between strut lines is also of the order of 600 mm without this being a necessity, these dimensions being able to vary according to the calculations of resistance and the regulation Snow and Wind applicable to the building.
  • the spacers 4 are made integral along the lines of spacers by beams 5 having a core 5a and two wings 5b folded orthogonally to the core to form a U-shaped profile.
  • the width of the core 5a of each beam is adapted so that it can come to cap the face of the spacers opposite to the attachment face thereof and that the flanges 5b of the beam extend towards the fixing face flanking the spacer.
  • the length of the beams 5 is preferably equal to an integer number of pitch P, generally two or three, with a tolerance by a lower value so as to avoid any overlap of a beam on the adjacent beam.
  • the length of the beams must also be sufficient so that each end covers the spacer which it caps on at least 50 mm.
  • the beams are fixed on the spacers by blind rivets placed through the flanges of the beams and the main faces of the spacers they cover so as not to create roughness on the surface of the webs of the beams so as to fix a plate 6 of rigid facing and perforated at a predetermined distance from the layer 3 of rigid insulation corresponding to the width of the spacers 4.
  • the facing plate 6 is preferably made by means of lacquered perforated sheet metal plates placed in abutment on the beams 5 and fixed on them by means of blind rivets. Preferably, there is a rivet on each spacer and a rivet on the web of the beam between each pair of spacer.
  • the facing plate 6 is rigid enough to withstand forces exerted by a possible layer of snow (mainly on the roof) or by the wind (particularly on the walls).
  • the facing plate 6 is also perforated so as to allow the passage of air through the perforations to prevent heating such as can be encountered on solid sheets.
  • a rigid perforated facing plate 6 allows the precipitation water to flow at least partly through the plate and also allows the perforations to be used to simply attach accessories 17 to this plate.
  • accessories that can be easily fixed include solar panels, photovoltaic or hot water (solar water heater) and their cables or connecting pipes.
  • solar panels photovoltaic or hot water (solar water heater)
  • their cables or connecting pipes In cold climates where the plates 6 are likely to be covered with snow, it is possible to attach snow guards to prevent falling snow flakes around the roofs or coils circulating a heat transfer fluid to accelerate snow removal.
  • Other accessories can also be easily put in place, such as for example light strings or light emitting diodes forming an advertising display screen.
  • a layer 8 of granular insulating material 9 is interposed between the outer face 32 of the rigid insulation layer 3 and the facing plate 6.
  • the thickness of this layer 8 of granular insulation is limited to two thirds of the gap between the outer face 32 of the rigid insulation and the facing plate 6 to leave a free space to maintain an air gap 7 under the plate 6 facing.
  • the granular insulator 9 may preferably be composed of expanded clay beads, porous or not, or pumice granules or pozzolan granules. In order to maintain this granular insulator in place, it is placed in preferably parallelepipedic bags 10 made of synthetic nonwoven fabric, for example made of polypropylene geotextile needle felt. Such a textile has the advantage of being naturally porous and can be assembled by thermo welding.
  • Such a bag 10 is illustrated in perspective cut by a median plane to the figure 4 and has two rectangular main faces 14a and 14b placed facing one another and whose respective edges are heat sealed together to form a closed bag.
  • the main face 14a is further perforated so as to allow direct entry of the precipitation water.
  • rectangular partition walls 11 are placed parallel to each other and welded to the two main faces by a flap 15 formed on their long edge to define cells 16.
  • the width of the partition walls 11 is provided to maintain substantially constant the thickness of the layer 8 of granular insulator 9.
  • the filling of the cells 16 of the bag 10 is effected by one of the orthogonal edges to the partition walls and the edge is closed by thermo welding of edges facing the main faces.
  • the dimensions of the bags 10 are provided to be multiples of the pitch P for the length so as to lay them parallel to the lines of spacers 4 resting on at least two spacers and to correspond to the spacing between two lines of spacers for the width.
  • the bags 10 are fixed on the outer face of the layer 3 of rigid insulation by adhesive beads 12, parallel to the lines of spacers.
  • the bags 10 are arranged in such a way that the direction of the partition walls 11, which also defines the largest dimension of the cells 16, is parallel to the spacer lines 4 (and therefore perpendicular to the line of greatest slope of the wall on which the isolation device is placed) so that the length of the cells 16 is also orthogonal to this line of greatest slope (see Figure 3 ).
  • the dimensions of a bag 10 adapted to the thermal insulation device whose dimensions have been given further are of the order of 600, 1200 or 1800 mm long, 600 mm wide and the constant thickness maintained by the partition walls 11 is of the order of 100 mm.
  • the bags 10 may be made in a single cell formed of a cylindrical envelope obtained by folding on itself a sheet of geotextile felt and welding of its edges so as to form a cylinder with a length of one , two or three steps P and a diameter substantially equal to the distance between the outer face 32 of the layer 3 of rigid insulation and the facing plate 6.
  • the cylindrical bag is only filled to 80% of its capacity, allowing it to be crushed on at least two strips of adhesive 12 to obtain an oblong section of which the small diameter corresponds to the desired thickness of the layer 8 of granular insulation.
  • the cylindrical bags are arranged in such a way that the axis of the cylinder (which corresponds to the largest dimension of the single cell) is parallel to the lines of spacers 4, several bags being used to fill the gap between two lines of spacers.
  • the bags 10 may be arranged in parallel or staggered rows, each bag resting on two other bags.
  • the thermal inertia of the insulation device and therefore of the insulated building with this thermal insulation device is improved.
  • the evaporation of the trapped water creates a local air conditioning phenomenon.

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  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
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  • Electromagnetism (AREA)
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Claims (13)

  1. Wärmedämmvorrichtung (2) von außen für eine Gebäudewand (1), die insbesondere an Mauern und Dächer anwendbar ist, die Folgendes umfasst:
    - eine starre und undurchlässige Dämmschicht (3), die eine erste Seite, Kontaktseite (31) genannt, umfasst, die angepasst ist, um auf der Wand befestigt zu werden, und eine zweite Seite, Außenseite (32) genannt, die der Kontaktseite entgegengesetzt ist,
    - eine starre und perforierte Fassadenplatte (6),
    und
    - Abstandhalter (4), die auf der Außenseite befestigt und angepasst sind, um die Fassadenplatte in Entfernung von der Außenseite zu halten und um eine Luftzunge (7) zwischen der Fassadenplatte (6) und der Außenseite (32) der starren Dämmschicht (3) einzurichten,
    wobei die Vorrichtung außerdem eine Schicht (8) aus körnigem Isolationsmaterial (9) umfasst, das in mindestens einem Sack (10) aus synthetischem Vliestextil, insbesondere aus vernadeltem Vliesstoff, zwischen der starren Dämmschicht (3) und der Fassadenplatte (6) enthalten ist.
  2. Dämmvorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass das körnige Isolationsmaterial (9) ein poriges körniges Isolationsmaterial ist.
  3. Dämmvorrichtung nach den Ansprüchen 1 oder 2, dadurch gekennzeichnet, dass jeder Sack (10) eine im Wesentlichen zylindrische Form mit einem Durchmesser kleiner oder gleich der Entfernung zwischen der Außenseite (32) der starren Dämmschicht (3) und der Fassadenplatte (6) aufweist.
  4. Dämmvorrichtung nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, dass jeder Sack (10) eine im Wesentlichen parallelepipedische Form aufweist und Wände, Trennwände (11) genannt, umfasst, die rechteckig, parallel und regelmäßig beabstandet sind, deren lange Ränder an den Hauptseiten (14a, 14b) jedes Sacks befestigt sind, um zwischen den Hauptflächen eine Entfernung kleiner oder gleich der Entfernung zwischen der Außenseite (32) der starren Dämmschicht (3) und der Fassadenplatte (6) aufrechtzuerhalten.
  5. Dämmvorrichtung nach einem der Ansprüche 3 oder 4, dadurch gekennzeichnet, dass mindestens eine (14a) der Hauptseiten (14a, 14b) jedes Sacks (10) perforiert ist.
  6. Dämmvorrichtung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die starre Dämmschicht (3) auf ihrer Außenseite (32) eine Eindrückschutzbeschichtung (34) umfasst, auf der die Abstandhalter (4) befestigt sind.
  7. Dämmvorrichtung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass die Abstandhalter (4) auf der starren Dämmschicht (3) mit einem vorbestimmten Abstand (P) entlang paralleler Linien befestigt sind, wobei die Abstandhalter zwischen zwei benachbarten Linien um einen halben Schritt versetzt sind.
  8. Dämmvorrichtung nach Anspruch 7, dadurch gekennzeichnet, dass die Abstandhalter (4) ein und derselben Linie miteinander durch Streben (5) in U-Form, die auf den Abstandhaltern sitzen, verbunden sind.
  9. Dämmvorrichtung nach Anspruch 8, dadurch gekennzeichnet, dass die Fassadenplatte (6) auf den Streben (5) in U-Form befestigt ist.
  10. Dämmvorrichtung nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass die Fassadenplatte (6) angepasst ist, um Dachdeckerzubehörteile (17) zu erhalten, die angepasst sind, um auf der Fassadenplatte befestigt zu sein.
  11. Wärmedämmungsverfahren einer Gebäudewand (1) von außen, das die Vorrichtung des Anspruchs 1 umsetzt, gemäß welchem:
    - man an der Wand (1) eine erste Seite, Kontaktseite (31) genannt, einer starren und undurchlässigen Dämmschicht (3) befestigt,
    - man Abstandhalter (4) auf einer zweiten Seite, Außenseite (32) genannt, der starren Dämmschicht (3), der Kontaktseite entgegengesetzt, mit einem vorbestimmten Abstand (P) entlang von Linien befestigt, die zu einer Linie mit größerer Neigung der Wand parallel und orthogonal sind, wobei die Abstandhalter zwischen zwei benachbarten Linien um einen halben Schritt versetzt sind,
    - man die Abstandhalter (4) ein und derselben Linie durch Streben (5) in U-Form miteinander verbindet, so dass die Streben auf den Abstandhaltern zu sitzen kommen, und
    - man auf den Streben (5) eine starre und perforierte Fassadenplatte (6) derart befestigt, dass eine Luftzunge (7) zwischen der Fassadenplatte und der Außenseite (32) der starren Dämmschicht (3) eingerichtet ist.
  12. Wärmedämmungsverfahren nach Anspruch 11, dadurch gekennzeichnet, dass man vor dem Befestigen der Fassadenplatte (6) zwischen jeder Linie von Abstandhaltern (4) auf der Außenseite (32) der starren Dämmschicht (3) Säcke (10) mit körnigem Isoliermaterial (9) befestigt.
  13. Wärmedämmungsverfahren nach Anspruch 12, dadurch gekennzeichnet, dass jeder Sack (10) derart angeordnet ist, dass das größte Maß der Zelle oder Zellen, die ihn bilden, zu den Linien von Abstandhaltern parallel ist.
EP14155071.5A 2013-03-03 2014-02-13 Wärmedämmvorrichtung von außen für eine Gebäudewand, und Verfahren zur Anbringung einer solchen Vorrichtung Not-in-force EP2775062B1 (de)

Priority Applications (4)

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PL14155071T PL2775062T3 (pl) 2013-03-03 2014-02-13 Urządzenie do zewnętrznej izolacji termicznej ściany budynku i sposób wykonania takiego urządzenia
EP14155071.5A EP2775062B1 (de) 2013-03-03 2014-02-13 Wärmedämmvorrichtung von außen für eine Gebäudewand, und Verfahren zur Anbringung einer solchen Vorrichtung
PCT/EP2015/051983 WO2015121090A1 (fr) 2013-03-03 2015-01-30 Dispositif d'isolation thermique par l'extérieur d'une paroi de bâtiment et procédé de mise en œuvre d'un tel dispositif
US15/118,131 US20170247889A1 (en) 2013-03-03 2015-01-30 Device for thermally insulating a building wall from the outside, and method for implementing such a device

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EP13001058.0A EP2775061A1 (de) 2013-03-03 2013-03-03 Smile-Ökodach
EP14155071.5A EP2775062B1 (de) 2013-03-03 2014-02-13 Wärmedämmvorrichtung von außen für eine Gebäudewand, und Verfahren zur Anbringung einer solchen Vorrichtung

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US10689851B2 (en) * 2018-10-01 2020-06-23 Durabond Products Limited Insulation board assembly
CN111576665A (zh) * 2020-06-10 2020-08-25 朱来英 一种建筑保温墙体
CN113250400B (zh) * 2021-06-21 2022-11-01 蚌埠市阿尔贝斯建材有限公司 一种防火保温墙板
US11913220B2 (en) * 2021-08-06 2024-02-27 Alex Moshenberg Thermal isolator

Citations (1)

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Publication number Priority date Publication date Assignee Title
EP2390436A1 (de) * 2010-05-25 2011-11-30 TRiooo Building Systems GmbH Vorhangfassade mit Dämmung

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FR2287557A1 (fr) * 1974-10-08 1976-05-07 Romney Emile Procede permettant d'eviter l'ensoleillement d'une paroi exposee aux rayons solaires et de la rafraichir
FR2589504A1 (fr) * 1985-10-30 1987-05-07 Elf Isolation Element de parement utilisable pour constituer une peau d'etancheite pour supports du type facades ou pignons d'immeuble et peau d'etancheite constituee de tels elements montes sur le support par l'intermediaire d'un rail
WO2009125159A2 (fr) * 2008-04-01 2009-10-15 OPALY, Société par actions simplifiée Procede et dispositif d'habillage de façade ou de couverture de batiment
JP5298306B2 (ja) * 2008-08-29 2013-09-25 海水化学工業株式会社 外断熱パネル
FR2965827A1 (fr) * 2010-10-06 2012-04-13 Isol Ouate France I O F Procede d'isolation thermique d'un batiment par l'exterieur

Patent Citations (1)

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Publication number Priority date Publication date Assignee Title
EP2390436A1 (de) * 2010-05-25 2011-11-30 TRiooo Building Systems GmbH Vorhangfassade mit Dämmung

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US20170247889A1 (en) 2017-08-31
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WO2015121090A1 (fr) 2015-08-20
EP2775061A1 (de) 2014-09-10

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