EP4290030B1 - Dachvorrichtung und isolierende und drainierende bauplatte - Google Patents

Dachvorrichtung und isolierende und drainierende bauplatte

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Publication number
EP4290030B1
EP4290030B1 EP23177266.6A EP23177266A EP4290030B1 EP 4290030 B1 EP4290030 B1 EP 4290030B1 EP 23177266 A EP23177266 A EP 23177266A EP 4290030 B1 EP4290030 B1 EP 4290030B1
Authority
EP
European Patent Office
Prior art keywords
grooves
layer
roof device
bodies
lateral edges
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.)
Active
Application number
EP23177266.6A
Other languages
English (en)
French (fr)
Other versions
EP4290030A1 (de
Inventor
Pierre-Etienne Bindschedler
Alexandre FOUGERON
Rémi Perrin
Laurent Bedel
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.)
Soprema SAS
Original Assignee
Soprema SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Soprema SAS filed Critical Soprema SAS
Publication of EP4290030A1 publication Critical patent/EP4290030A1/de
Application granted granted Critical
Publication of EP4290030B1 publication Critical patent/EP4290030B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E04D13/1662—Inverted roofs or exteriorly insulated roofs
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D11/00—Roof covering, as far as not restricted to features covered by only one of groups E04D1/00 - E04D9/00; Roof covering in ways not provided for by groups E04D1/00 - E04D9/00, e.g. built-up roofs, elevated load-supporting roof coverings
    • E04D11/005—Supports for elevated load-supporting roof coverings
    • 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
    • E04D13/1687—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 the insulating material having provisions for roof drainage

Definitions

  • the present invention relates to the field of building, more particularly to construction panels used for the construction of flat structure roofs, such as roof terraces, especially those covered with a continuous and waterproofing complex.
  • the invention relates to a roofing device comprising a layer made of insulating panels.
  • tiger mosquito genus Aedes, subgenus Aedes or Stegomyia, species albopictus
  • tiger mosquito species Aedes, subgenus Aedes or Stegomyia, species albopictus
  • the female tiger mosquito lays her eggs on solid surfaces located a few millimeters above existing stagnant water. These eggs can then survive for several months without water. However, as soon as the solid surface where the eggs were laid becomes a stagnant pool, for example following a weather event such as rain, snow, etc., the larval development of the tiger mosquito begins. In fact, tiger mosquito larvae only need one centimeter of stagnant water for five days to develop.
  • a flat roof especially a roof terrace, with irregularities or defects in flatness generates the appearance of wet areas, such as puddles or stagnant water, which are accessible to tiger mosquitoes, or to harmful flying insects of the same type, and sufficient to allow their increased proliferation, in particular the development of larvae.
  • the invention's main objective is therefore to minimize, or even completely prevent, liquid stagnation on a flat roof covered with an existing waterproofing system, and simultaneously to prevent access by harmful insects, such as the tiger mosquito or similar flying insects, to this surface prone to stagnation, all while allowing the existing waterproofing system to be retained.
  • the proposed solution should not significantly increase the roof's weight, should advantageously provide an additional benefit (for example, additional thermal insulation), and should also be able to support a sufficient load to make the covered surface accessible (compatible with the installation of a system such as paving slabs on pedestals).
  • the solution should compensate for local irregularities and unevenness, providing a flat upper surface.
  • the present invention has as its first object a roofing device having the characteristics of claim 1.
  • the present invention relates, according to the invention, to a roofing device (10) substantially flat and horizontal or with a low slope, in particular an accessible roof terrace device, comprising at least one surface support (11), incorporating or equipped with means (12) for evacuating liquids, and a layer or waterproofing complex (13) covering entirely said support (11) by being attached directly or not to the latter.
  • the surface support (11) may consist, for example, of a concrete roof slab or a wooden or metal roof floor.
  • the means (12) for evacuating liquids consist, for example, of channels, siphons or the like connected to gutter-type pipes or remote overflow, for the evacuation of liquids, in particular rainwater, outside the roof structure.
  • the sealing complex (13) consists, for example, of a continuous, water-impermeable sealing membrane.
  • Each body (1') may thus include a drainage means (4, 4') on its upper face and/or on its lower face (2').
  • at least one means (7) for draining liquid through the thickness of said body (1') may or may not be provided, depending in particular on any other possibilities for the passage of water from the upper face to the lower face of the protective and draining layer (14).
  • said protective and draining layer (14) constitutes a barrier, at least substantially continuous, to the passage of insects, in particular those of the size of tiger mosquitoes or larger, at the level of the upper faces (2) of said plate-shaped bodies (1') and at the level of the lateral joint areas (6) resulting from the approach or contact of the lateral edges (3, 3') between neighboring bodies (1').
  • the layer of porous material (1") consists of continuous bands of porous material covering, with a parallel arrangement of said bands and with partial lateral overlap between two adjacent bands, the upper faces (2) of the bodies of the panels.
  • the panel bodies (1') and the porous material strips are delivered separately to the site to be carried out and the operator first installs the said bodies (1') on the sealing complex (13) so as to form a first layer, then unrolls and positions the porous material strips, to constitute a continuous layer of porous material (1") with lateral overlap between strips.
  • the porous material layer (1") consists of flanks (8) of porous material covering the upper faces (2) of the panel bodies, these flanks (8) partially overlapping in strip-like areas extending along the lateral sides of said flanks (8).
  • the overlap between flanks (8) is carried out in such a way as to to constitute a continuous layer of porous material (1") with lateral overlap between sides.
  • the porous material forming said porous barrier layer (1") permeable to liquids and constituting a barrier to the passage of insects such as tiger mosquitoes or similar flying insects, is a flexible material such as a grid, mesh, non-woven fabric, felt, or geotextile, which advantageously has an average pore opening diameter of less than 250 ⁇ m.
  • the invention addresses the main requirements outlined in the introduction and provides a solution for preventing the development of harmful insects on roofs, particularly mosquitoes and especially the tiger mosquito.
  • This objective is achieved, firstly, by promoting water drainage (and thus eliminating damp areas) and, secondly, by making it difficult, or even preventing, insects (up to at least the size of the tiger mosquito) from accessing the area above the waterproofing membrane (an area conducive to egg-laying and the development of a new generation of mosquitoes), and also by making it difficult, or even preventing, any potential new generation from leaving this area.
  • the roofing device (10) simultaneously allows i) to ensure efficient drainage of liquids outside the roof, to avoid the formation of stagnant liquid points conducive to the larval proliferation and development of insects such as mosquitoes, in particular tiger mosquitoes and ii) to prevent the access of the latter under the layer (14), and also where appropriate to keep them trapped under this layer (also in their juvenile form).
  • mosquitoes unlike inert and passive objects (such as mineral particles) subject only to the laws of physics (gravity, water drag), mosquitoes, as living beings endowed with a A certain form of basic intelligence, acquired and innate faculties and great mobility properties (muscular structure), are able to search for, identify and exploit one or more passages (only one is sufficient), sometimes far from their original position and to slip through these interstices, either to access the underside, or to return to the surface.
  • flat roof does not require that the roof be perfectly flat; it may be “substantially flat” with a slight inclination from a horizontal position substantially parallel to the ground.
  • self-supporting material layer which forms the bodies (1') refers to a layer that maintains structural stability, rigidity, and mechanical strength properties under the effects of gravity as well as external stresses, particularly rain, even on an uneven surface.
  • the self-supporting material layer presents no significant risk of disintegration or brittleness in the face of external stresses.
  • said self-supporting layer shall have compression resistance properties and shall preferably be of alveolar constitution in order to also present properties of lightness and thermal insulation.
  • said self-supporting layer is substantially incompressible in its implementation conditions within the framework of the invention, so as to be able to support the weight and pressure of liquids, for example in heavy rain, and the weight of human subjects.
  • the constituent material of the body (1') is advantageously of cellular constitution, with advantageously a density of at least 12 kg/m 3, and preferably between 25 and 45 kg/m 3 , in application of standard EN 1602.
  • Said self-supporting layer of bodies (1') advantageously exhibits resistance to compression at 10% strain (CS (10/Y)) greater than or equal to 80 kPa, and preferably between 150 and 350 kPa, in accordance with EN826, and preferably a density of at least 12 kg/ m3 , in accordance with EN1602.
  • said porous barrier layer (1") does not form a significant obstacle to the passage of liquids from the top of the layer (14) to the bottom (liquids whose circulation and evacuation is facilitated via the drainage means 4, 4' and, where appropriate, the drainage means passing through 7), while simultaneously preventing the passage of insects, in particular tiger mosquitoes, from the top to the bottom, and vice versa.
  • the porous barrier layer (1") therefore prevents the larval proliferation of insects, particularly tiger mosquitoes, at the lateral joint areas (6) or at the lower face (2') of the panel bodies (1').
  • a barrier is provided to their passage in both directions: towards the underside of the panels to prevent egg-laying, and towards the surface for young insects emerging from the few unavoidable egg deposits.
  • the solution proposed by the invention is therefore a long-term solution for limiting the development and proliferation of insects, particularly tiger mosquitoes, especially in the context of flat roofs.
  • each side (8) of porous material may be associated with a plate-shaped body (1'), optionally being joined to the upper face (2) of the latter to form a prefabricated composite construction panel (1), said side (8) extending laterally beyond said body (1') on two contiguous lateral edges (3 and 3') to form cantilevered lateral strips (51) of sufficient width to ensure the continuity of the layer of porous material (1") at the lateral joint areas (6) between adjacent panel bodies (1') abutting within the protective and drainage layer (14).
  • these strips (51) have a width adapted to extend over the side (8) of the adjacent panel (1) with sufficient overlap to secure the closure of the joint areas with the porous material.
  • the self-supporting layer forming each body (1') consists of a layer of thermally insulating cellular material, preferably hydrophobic, such as EPS or XPS.
  • thermally insulating material means a material that provides thermal insulation, preferably having a thermal conductivity coefficient ⁇ , declared at 10°C, of less than 60 mW/m/K (milliwatt per meter-Kelvin) measured according to standard EN12667.
  • the self-supporting layer of insulating material is hydrophobic and can correspond to any material known to those skilled in the art, especially for roofing applications, which exhibits both thermal insulation and structural strength, even in the presence of water and moisture.
  • polystyrene preferably alveolar polystyrene, such as expanded polystyrene (EPS) or extruded polystyrene (XPS), will be chosen as the material for the body (1').
  • EPS expanded polystyrene
  • XPS extruded polystyrene
  • the total thickness of the panel body (1') is greater than or equal to 10 mm, preferably between 20 and 45 mm.
  • a body (1') with a constitution such as mentioned above also makes it possible to compensate for the flatness defects of the support on which it rests and to absorb the local inequalities of small dimension and thus to provide a flat upper surface.
  • the porous material forming the barrier layer is highly beneficial, with an average pore size ranging from 80 ⁇ m to 150 ⁇ m in diameter. This prevents the passage of insects, particularly small flying insects, and significantly blocks insects such as the tiger mosquito or similar species. At the same time, it remains sufficiently permeable to water (suitable for efficient rainwater drainage, especially during storms). Furthermore, with a diameter within this range, it is also possible to prevent newly hatched mosquitoes from emerging onto the underside of the surface (a two-way barrier), for example, after laying eggs through the porous material.
  • said water-permeable porous material is a non-woven material of synthetic fibers bonded by needle punching and heat-sealed, the pore size of which does not allow the passage of insects, in particular of the tiger mosquito type.
  • said porous barrier layer (1") consists for example of geotextile or felt.
  • said porous material has a weight greater than or equal to 50 g/ m2 ; preferably a weight between 100 and 200 g/ m2 , in order to maintain sufficient structural cohesion and to be able to form a barrier of sufficient resistance for the purpose sought.
  • each liquid drainage means (4, 4') to at least one of the lateral edges (3, 3') comprises a set of grooves (4, 4').
  • This type of drainage means facilitates, depending on the face on which it is located, the direction of liquids towards the relevant lateral edge(s) for drainage at the lateral joint areas (6) or for drainage from the underside of the relevant body (1').
  • the grooves (4, 4') are straight profiled grooves with a constant section, preferably with a square, triangular or round section.
  • the grooves (4, 4') are parallel unidirectional grooves, as seen on the figure 4 , or intersecting bidirectional grooves, as seen on the figures 5 to 7 , each groove connecting two different contiguous or opposite lateral edges (3, 3').
  • the aforementioned grooves form drainage channels that facilitate and direct the evacuation of liquids, particularly water, away from the body (1').
  • the evacuation, via grooves 4, occurs primarily at the upper surface (2) of the body (1'), thus preventing water stagnation that would promote larval proliferation and the growth of insects, including tiger mosquitoes.
  • each body (1') incorporates grooves (4) on its upper face (2) and grooves (4') on its lower face (2'), so as to create drainage channels for liquids both on the upper face (2) and the lower face (2') of the body (1'), preventing water stagnation and limiting larval proliferation at the level of each of the two faces (2 and 2') of the body (1'), therefore above and below the panel (1).
  • the grooves (4, 4') form at least one network of grooves parallel to each other and to one of the lateral edges (3, 3') of the body (1'), advantageously the longest edge (3) and where appropriate with a similar orientation, or not, for the grooves (4) of the upper face (2) and the grooves (4') of the lower face (2').
  • the grooves (4, 4') drain the liquids towards one of the lateral edges (3, 3') of the body (1') and therefore of the panel 1, so that they can be easily removed from a single location on said body and panel.
  • each face (2 or 2') has between 10 and 60 grooves per meter, so as to allow sufficient drainage of liquids at the level of the face concerned (preventing uncontrolled overflow), by creating open channels on the face upper (2) and closed channels at the lower face (the body 1' resting on a support when the panel is installed on site).
  • a network of grooves (4, 4') is formed by a set of several grooves (4 or 4') parallel to each other and belonging to the same face (2 or 2') of the body (1') concerned.
  • the grooves (4, 4') of each assembly can be unidirectional and parallel to each other, forming a network of unidirectional grooves parallel to the edges (3) – for example, the longer ones – of the rectangular body (1') in question.
  • This network of grooves (4, 4') then allows liquids to be evacuated towards the edge(s) (3') – here the shorter ones, possibly depending on the slope – and outside the limits of the body (1'), and therefore of the corresponding panel (1).
  • a network of parallel unidirectional grooves allows liquids to be concentrated and recovered easily on a single lateral edge of the body (1') and is sized to be able to achieve controlled evacuation even in the event of a storm.
  • the grooves (4, 4') of the same face (2, 2') comprise at least two superimposed networks of parallel grooves, the grooves (4, 4') of the two networks being mutually intersecting so as to form a grid pattern on one and/or the other of the upper and lower faces (2, 2'), with intersections between the grooves (4, 4') of the two superimposed networks, either at right angles to form a straight grid pattern, or at acute or obtuse angles to form a diamond pattern, the grooves (4, 4') of at least one of the two networks nested with each other being possibly parallel to one of the lateral edges (3, 3').
  • the flow of liquids is advantageously achieved simultaneously in two different directions and towards at least two contiguous or opposite edges (3 and 3'). For a given quantity of liquid arriving on the body (1'), distribute the liquid flow in two different directions. increases the drainage speed of liquids outside panel 1.
  • This embodiment also makes it possible to overcome a direction of installation imposed by a low roof slope, and therefore to optimize and facilitate the installation of the panels.
  • the grooves (4, 4') define two superimposed networks of parallel grooves, the grooves (4, 4') of the first network intersecting the grooves (4, 4') of the second network to form a grid pattern of intersecting bidirectional grooves.
  • This grid pattern allows liquids to be evacuated from the surface of the body (1') in question at at least two adjacent or opposite lateral edges (3, 3').
  • a pattern of intersecting bidirectional grooves (4, 4') on one face (2, 2') increases the number of lateral edges (3, 3') for liquid drainage. Therefore, in the case of a large quantity of liquid present on the upper face of the layer (14), a pattern of intersecting bidirectional grooves (4, 4') will exhibit a greater drainage velocity of liquids away from the bodies (1') than a pattern of unidirectional grooves (4, 4').
  • the grooves (4, 4') of at least one of the two interlocking networks can be parallel to one of the lateral edges (3, 3'), so as to facilitate the adjacent placement of several panels 1 on the same support without worrying about the orientation of the panel bodies (1').
  • groove networks (4, 4'), originating from molding of the body (1') or machined in the latter, are present at least on the upper face (2), preferably on the upper face (2) and on the lower face (2'), exhibiting similar or different network patterns, orientations and groove dimensions.
  • each body (1') can structurally integrate at least one means of draining liquid through (7) the thickness of said body (1'), this alternatively or in association with at least one means of draining (4, 4') liquid towards at least one of the lateral edges (3, 3'), which is present on the lower face (2'), at least or exclusively.
  • said drainage means (7) passing through the thickness of the body (1') concerned is in the form of a plurality of holes or straight channels (71) passing through the thickness of said self-supporting layer forming the body (1') by connecting the upper face (2) and the lower face (2'), these channels opening preferably at the bottom of the grooves (4, 4') of the face concerned (2, 2') when the latter are present.
  • the through holes (71) serve to increase the drainage capacity of liquids outside the upper face (2) of the body (1'), either as an alternative to or in addition to liquid evacuation towards the lateral edges via the surface drainage means (4). Liquid circulation then occurs both through the thickness of the body (1') and at the lower face (2') via the grooves (4'), and possibly additionally at the upper face (2) via the grooves (4) when present.
  • the through holes or channels (71) preferably open at the bottom of the grooves (4, 4') so as to allow immediate drainage of the liquid arriving on the face concerned (2, 2') to increase the drainage speed of the liquid flow outside the limits of the body (1') considered.
  • all the holes (71) are straight, perpendicular to the faces of the body (1') concerned, and of identical diameter and dimensions.
  • the through channels or holes (7) are distributed over the surface of the body (1'), advantageously with a higher surface concentration in the central region of said body (1'), these holes preferably having a diameter which is greater than or equal to 5 mm, preferably between 10 and 20 mm.
  • a higher surface concentration of holes or channels (71) in the central region of the body (1') allows for greater drainage capacity through the body (1') away from the lateral edges, providing a shorter drainage path for the liquid in this region of the upper surface (2).
  • This configuration increases the flow rate of liquid transfer under the body (1') and promotes its rapid drainage.
  • the holes or channels (71) of the central region of the body (1') may have a larger diameter than the holes of the peripheral region of the body (1').
  • At least one of the lateral edges (3, 3') of the plate-shaped bodies (1'), preferably two contiguous lateral edges (3 and 3'), are provided with spacing means (9) such as, for example, single-piece protruding formations, intended to guarantee the formation of lateral joint zones (6), between adjacent bodies (1') abutting in the protective layer and with drainage properties (14), presenting a minimum interstitial passage width.
  • the spacing means (9) formed on the relevant lateral edge (studs, ribs, pins, ...) facilitate the juxtaposition of the bodies (1') and panels (1) on a roof.
  • the spacing means (9) allow for easy and efficient alignment of the grooves (4, 4') of two adjacent bodies (1') so as to generate continuity in the flow of liquids from one panel to the other. Controlling the placement of the bodies (1') and mutually adjacent panels (1) by means of the spacing means (9) also makes it possible to cover the entire roof, over its entire surface, with a uniform porous barrier layer 1", particularly when the layer (14) is formed of prefabricated construction panels (1).
  • the said spacing means (9), particularly when continuous (profiled formations), constitute an additional physical barrier to the passage of insects, which cannot reach the underside (2') of the body (1') potentially including a zone of residual moisture.
  • each plate-shaped body (1') has on at least one lateral edge (3, 3'), preferably on two contiguous lateral edges (3 and 3'), engagement means (5') of the profiled formation type and on the opposite side(s) respectively complementary engagement means (5"), also of the profiled formation type, the two engagement means (5' and 5") being configured to cooperate by conjugation of form when two panels (1) are joined at the edges (3 and 3') concerned, so as to constitute a barrier to insect passages, of the chicane type, preventing in particular the passage of tiger mosquitoes, at the level of lateral joint zones (6) between neighboring bodies (1') joining in the protective layer and with drainage properties (14).
  • these engagement means (5', 5"), for example male/female type and assembled by interlocking, also act as a barrier to the passage of insects through the joint areas (6), particularly the tiger mosquito. Insects therefore cannot reach the underside (2') of the body (1') of the panel (1) to breed.
  • the engagement means (5', 5") facilitate the placement of the bodies (1') and the panels (1) which can be juxtaposed next to each other by simple mutual engagement of the engagement means (5' and 5") complementary to the abutting panels.
  • layer (14) gains in structural coherence.
  • the two complementary engagement means (5' and 5") ensure the cohesion of the assembly when two bodies (1') or panels (1) are joined together, while allowing the circulation of air or water conducive to the drainage of flows between the upper face (2) and the lower face (2') of the bodies (1').
  • the panels (1) and the bodies (1') are arranged in such a way, to form the protective and draining layer (14), that at least the grooves (4') of the upper face (2) and/or the grooves (4) of the lower face (2') are oriented to promote the circulation of liquid, present on the upper face (2) and/or under the lower face (2') of the body (1') concerned, towards said means (12) of evacuation of the support (11), so as to evacuate the liquids outside the roofing device (10) and to avoid the formation of wet areas of stagnant liquid.
  • this particular assembly configuration of the bodies (1') and panels (1) of the protective layer with drainage properties (14) allows the liquids to be directed and concentrated near the drainage means (12), so as to evacuate them through a continuous flow and movement of liquids in the grooves (4, 4') forming the drainage channels.
  • the formation of stagnant liquid areas, conducive to the proliferation and development of insects, is no longer possible.
  • this particular configuration facilitates assembly: simply follow the orientation of the grooves (4, 4') to assemble the bodies (1') and the panels (1) together in the correct orientation.
  • the roofing device 10 visible on the Figures 1 And 3 , the layer (1") of porous material forming the upper face of the protective layer and with drainage properties (14) is covered with means (15) constituting an accessible and walkable surface, such as for example the components of a slatted floor or a slab floor (151) on pedestals (152).
  • the supports can advantageously be provided with a large base area to distribute the loads on said layer (14).
  • the means (15) is a first protective barrier for the draining protective layer (14) against possible degradation by users or any other possible external environmental constraints, although passable by insects.
  • a slab floor (151) on pedestals (152) as a means (15) will have the advantage of distributing the pressure forces involved applied to the protective layer with drainage properties (14) only at the location of the pedestals (152), which will also limit its degradation and the formation of low points which can constitute stagnation zones (which can nevertheless be dried out if necessary by providing through drainage means 7).
  • the protective layer with drainage properties (14), although covered, is easily accessible to small insects, such as mosquitoes, and therefore directly exposed to attempts at intrusion by them.
  • a construction panel with a drainage function, particularly for water, of the type used as a roofing panel for flat roofs this panel (1) comprising a plate-shaped body (1'), preferably rectangular, with opposing upper (2) and lower (2') faces and four lateral edges (3, 3').
  • a "construction panel with a drainage function” means a plate-type panel, particularly a parallelepiped-shaped plate, used for the construction of buildings, houses, and similar structures, which allows for the drainage and evacuation of liquids, particularly rainwater.
  • Such a panel (1) is particularly suitable for forming, by cooperation with other identical panels (1), by butted juxtaposition, a protective layer with drainage properties (14), forming a barrier against tiger mosquitoes and preventing their reproduction and proliferation, in particular in a roofing device (10) according to the invention.
  • the covering means (5) and the engagement means (5', 5") mentioned above act as barriers to prevent the passage of external elements that could enter the joint areas (6) and potentially clog them or the drainage means (4') on the underside.
  • the covering means (5) are configured to act as barriers to the passage of insects, especially tiger mosquitoes.
  • said covering means (5) consist of portions of a porous filtration layer permeable to water but acting as a barrier to the passage of insects or other larger elements, particularly gravel, leaves, sand, etc., which may be carried away by rainwater.
  • the porous material forming these covering means (5) is of the type previously mentioned in relation to the layer (1") of porous material forming the upper surface of the protective layer and having drainage properties (14).
  • each covering means (5) consists of an extension of a side (8) of flexible porous material covering the upper face (2) of the body (1') and forming said porous barrier layer (1").
  • These covering means (5) thus consist of two lateral bands (51) of the side (8) which extend laterally from the body (1') and extend along and beyond the two relevant lateral edges (3 and 3'), with a sufficient overhang to constitute a barrier at the level of lateral joint zones (6) formed by the abutment of said lateral edges (3 and 3') of said panel (1) considered with lateral edges (3 and 3'), without such covering means (5), of similar neighboring panels (1).
  • these covering means (5) prevent tiger mosquitoes from passing through the joint areas (6) and prevent their migration to the underside (2'). These covering means therefore help to stop the development and larval proliferation of the insects on the underside of the body (1)' of the panel (1) installed on site and forming part of a layer (14).
  • the side (8) can be fixed to the upper face (2) of the body (1') by gluing/welding (by strip or by spots) or stapling, for example.
  • the strips of flexible porous material, forming means (5) of covering the openings on the surface of the joint areas (6) between adjacent panels (1) can optionally be fixed at the level of the neighboring abutting panels which they cover at the edge (cf. figures 3 And 11 to 14 ), by gluing, welding or stapling.
  • the porous material constituting the flank (8) has the characteristics of the porous material described previously in relation to the porous barrier layer (1") and the body (1') of the panel (1) those of the body (1') described above.
  • this porous material of the flank (8), permeable to liquids and constituting a barrier to the passage of insects of the tiger mosquito type is a flexible material of the geotextile type, which advantageously has an average pore opening of diameter between 80 ⁇ m and 150 ⁇ m, of so as to prevent the passage of insects, especially small flying insects, in particular to substantially guarantee a prohibition of passage to insects of the tiger mosquito type or similar, while being sufficiently permeable to the passage of water.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)

Claims (14)

  1. Dachvorrichtung (10), im Wesentlichen flach und horizontal oder mit geringer Neigung, insbesondere eine zugängliche Flachdachvorrichtung, beinhaltend mindestens einen Oberflächenträger (11), der Mittel (12) zum Ableiten von Flüssigkeiten besitzt oder damit ausgerüstet ist, und eine Abdichtungsschicht oder einen Abdichtungskomplex (13), die/der den Träger (11) vollständig bedeckt, indem sie/er an diesem direkt oder indirekt angebracht ist,
    wobei der Abdichtungskomplex (13) von einer Schutzschicht mit drainierenden Eigenschaften (14) bedeckt ist, die nebeneinander angeordnete Bauplatten (1) beinhaltet, von denen jede einen plattenförmigen Körper (1') beinhaltet oder daraus besteht, vorzugsweise rechteckig, mit Seitenrändern (3, 3') und aus mindestens einer Materialschicht gebildet, selbsttragend, mit Druckfestigkeitseigenschaften, vorzugsweise mit im Wesentlichen hohler oder alveolarer Beschaffenheit,
    wobei jeder Körper (1') strukturell Folgendes besitzt: i) mindestens ein Mittel (4, 4') zur Drainage von Flüssigkeit hin zu mindestens einem der Seitenränder (3, 3'), das auf mindestens der oberen Fläche (2) des Körpers (1') vorhanden ist, und/oder mindestens ein Mittel (7) zur Drainage von Flüssigkeit durch die Dicke des Körpers (1') hindurch und ii) mindestens ein Mittel zur Drainage (4, 4') von Flüssigkeit hin zu mindestens einem der Seitenränder (3, 3'), das auf mindestens der unteren Fläche (2') vorhanden ist, und
    wobei die Schutzschicht mit drainierenden Eigenschaften (14) ferner eine Schicht (1") aus porösem Material beinhaltet, die auf den plattenförmigen Körpern (1') angeordnet ist und flüssigkeitsdurchlässig ist,
    wobei die Dachvorrichtung (10) dadurch gekennzeichnet ist, dass die Schicht (1") aus porösem Material an den oberen Flächen (2) der plattenförmigen Körper (1') und an den seitlichen Verbindungsbereichen (6), die sich ergeben, wenn die Seitenränder (3, 3') zwischen benachbarten Körpern (1') einander angenähert oder miteinander in Kontakt gebracht werden, eine im Wesentlichen durchgehende Barriere gegen den Durchgang von Insekten mit der Größe von Tigermücken oder größer ausbildet,
    dass die Schicht aus porösem Material (1") entweder aus durchgehenden Streifen aus porösem Material, die durch eine parallele Anordnung der Streifen und eine teilweise seitliche Überlappung zwischen zwei benachbarten Streifen die oberen Flächen (2) der Körper der Platten bedecken, oder aus Elementen (8) aus porösem Material, die die oberen Flächen (2) der Körper der Platten bedecken, besteht, wobei sich diese Elemente (8) an streifenförmigen Bereichen, die sich entlang seitlicher Seiten der Elemente (8) erstrecken, teilweise überlappen, dass das poröse Material, das die poröse Barriereschicht (1") bildet, flüssigkeitsdurchlässig ist und eine Barriere gegen den Durchgang von Tigermücken ausbildet, ein flexibles Material vom Typ Gitter, Geflecht, Vlies, Filz oder Geotextil ist, das eine mittlere Porenweite mit einem Durchmesser von weniger als 250 µm aufweist, und
    dass die Schutzschicht mit drainierenden Eigenschaften (14) mit Mitteln (15) bedeckt ist, die eine zugängliche und begehbare Oberfläche ausbilden, vom Typ Komponenten eines Lattenbodens oder eines Bodens aus Fliesen (151) auf Stelzlagern (152).
  2. Dachvorrichtung (10) nach Anspruch 1, dadurch gekennzeichnet, dass jedes Element (8) aus porösem Material mit einem plattenförmigen Körper (1') assoziiert ist und dabei gegebenenfalls mit der oberen Fläche (2) desselben fest verbunden ist, um eine vorgefertigte Verbundbauplatte (1) zu bilden, wobei das Element (8) an zwei aneinandergrenzenden Seitenrändern (3 und 3') seitlich von dem Körper (1') vorsteht, um freitragende seitliche Streifen (51) zu bilden, die eine ausreichende Breite aufweisen, um die Durchgängigkeit der Schicht aus porösem Material (1") an den seitlichen Verbindungsbereichen (6) zwischen Körpern (1') benachbarter Platten (1), die in der Schutzschicht mit drainierenden Eigenschaften (14) aneinanderstoßen, zu gewährleisten.
  3. Dachvorrichtung (10) nach einem der Ansprüche 1 und 2, dadurch gekennzeichnet, dass das poröse Material, das die poröse Barriereschicht (1") bildet, flüssigkeitsdurchlässig ist und eine Barriere gegen den Durchgang von Insekten vom Typ Tigermücke ausbildet, ein flexibles Material vom Typ Geotextil ist, das vorteilhafterweise eine mittlere Porenweite mit einem Durchmesser zwischen 80 µm und 150 µm aufweist, um den Durchgang von Tigermücken oder ähnlichen Insekten zu verhindern, gleichzeitig aber für den Durchgang von Wasser durchlässig zu sein.
  4. Dachvorrichtung (10) nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die selbsttragende Schicht, die jeden Körper (1') bildet, aus einer wärmeisolierenden, vorzugsweise wasserabweisenden, alveolaren Materialschicht, wie etwa EPS oder XPS, besteht.
  5. Dachvorrichtung (10) nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass das oder jedes Mittel zur Drainage (4, 4') von Flüssigkeit hin zu mindestens einem der Seitenränder (3, 3') für jeden Plattenkörper (1') einen Satz Rillen (4, 4'), vorteilhafterweise geradlinige Profilrillen mit konstantem Querschnitt, vorzugsweise parallele unidirektionale Rillen oder sich schneidende, bidirektionale Rillen, beinhaltet, wobei jede Rille zwei unterschiedliche aneinandergrenzende oder entgegengesetzte Seitenränder (3, 3') des betroffenen Körpers (1') verbindet.
  6. Dachvorrichtung (10) nach Anspruch 5, dadurch gekennzeichnet, dass die Rillen (4, 4') mindestens eine Anordnung von Rillen bilden, die zueinander und zu einem der Seitenränder (3, 3') des betroffenen Körpers (1'), vorteilhafterweise dem längeren Rand (3), parallel sind, und gegebenenfalls mit einer ähnlichen Ausrichtung, oder nicht, der Rillen (4) der oberen Fläche (2) und der Rillen (4') der unteren Fläche (2').
  7. Dachvorrichtung (10) nach Anspruch 5 oder 6, dadurch gekennzeichnet, dass die Rillen (4, 4') einer gleichen Fläche (2, 2') eines Körpers (1') mindestens zwei übereinandergelegte Anordnungen von zueinander parallelen Rillen beinhalten, wobei die Rillen (4, 4') der zwei Anordnungen einander so schneiden, dass sie ein kariertes Muster auf der einen und/oder der anderen der oberen und der unteren Fläche (2, 2') bilden, mit Kreuzungen zwischen den Rillen (4, 4') der zwei übereinandergelegten Anordnungen, die entweder rechtwinklig sind, um ein rechtwinklig kariertes Muster zu bilden, oder spitz- oder stumpfwinklig sind, um ein Rautenmuster zu bilden, wobei die Rillen (4, 4') von mindestens einer der ineinander verschachtelten Anordnungen eventuell parallel zu einem der Seitenränder (3, 3') sind.
  8. Dachvorrichtung (10) nach einem der Ansprüche 5 bis 7, dadurch gekennzeichnet, dass Anordnungen von Rillen (4, 4'), die durch Formen des Körpers (1') erhalten werden oder in denselben eingearbeitet werden, mindestens auf der oberen Fläche (2), vorzugsweise auf der oberen Fläche (2) und auf der unteren Fläche (2'), vorhanden sind und dabei ähnliche Anordnungsmuster, Ausrichtungen und Rillenmaße aufweisen oder nicht.
  9. Dachvorrichtung (10) nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass das Mittel (7) zur Drainage, das durch die Dicke des Körpers (1') hindurchgeht, in Form einer Vielzahl von geradlinigen Löchern oder Kanälen (71) vorliegt, die sich durch die Dicke der selbsttragenden Schicht, die den Körper (1') bildet, erstrecken und dabei die obere Fläche (2) und die untere Fläche (2') verbinden, wobei diese Kanäle vorzugsweise am Boden der Rillen (4, 4') der betroffenen Fläche (2, 2') münden, wenn die betrachteten Rillen vorhanden sind, und dass diese Durchgangskanäle oder - löcher (71) über die Oberfläche des Körpers (1') verteilt sind, vorzugsweise mit einer höheren Oberflächenkonzentration in der zentralen Region des Körpers (1'), wobei diese Löcher oder Kanäle vorzugsweise einen Durchmesser aufweisen, der größer als oder gleich 5 mm ist, vorzugsweise zwischen 10 und 20 mm beträgt.
  10. Dachvorrichtung (10) nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass mindestens einer der Seitenränder (3, 3') der plattenförmigen Körper (1'), vorzugsweise zwei aneinandergrenzende Seitenränder (3 und 3'), über Mittel zur Beabstandung (9), wie etwa beispielsweise einstückig ausgebildete vorstehende Ausgestaltungen, verfügen, die dazu bestimmt sind, die Bildung von seitlichen Verbindungsbereichen (6) zwischen benachbarten Körpern (1'), die in der Schutzschicht mit drainierenden Eigenschaften (14) aneinanderstoßen, zu gewährleisten, die eine minimale Durchgangszwischenbreite aufweisen.
  11. Dachvorrichtung (10) nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, dass jeder plattenförmige Körper (1') an mindestens einem Seitenrand (3, 3'), vorzugsweise an zwei aneinandergrenzenden Seitenrändern (3 und 3'), Eingriffsmittel (5') vom Typ profilierte Ausgestaltung und an der oder den jeweils entgegengesetzten Seite(n) komplementäre Eingriffsmittel (5"), ebenfalls vom Typ profilierte Ausgestaltung, umfasst, wobei die zwei Eingriffsmittel (5' und 5") dazu konfiguriert sind, beim Aneinanderstoßen von zwei Platten (1) an den betroffenen Rändern (3 und 3') durch Formschluss zusammenzuwirken, um eine Barriere gegen den Durchgang von Insekten, vom Typ Schikane, auszubilden, die insbesondere den Durchgang von Tigermücken an seitlichen Verbindungsbereichen (6) zwischen benachbarten Körpern (1'), die in der Schutzschicht mit drainierenden Eigenschaften (14) aneinanderstoßen, verhindert.
  12. Dachvorrichtung (10) nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, dass die Platten (1) und die Körper (1') beim Bilden der Schutzschicht mit drainierenden Eigenschaften (14) so angeordnet werden, dass mindestens die Rillen (4') der oberen Fläche (2) und/oder die Rillen (4) der unteren Fläche (2') so ausgerichtet sind, dass die Zirkulation von Flüssigkeit, die sich auf der oberen Fläche (2) und/oder unter der unteren Fläche (2') des betroffenen Körpers (1') befindet, hin zu den Ableitungsmitteln (12) des Trägers (11) begünstigt wird, um die Flüssigkeiten aus der Dachvorrichtung (10) abzuleiten und die Bildung von feuchten Bereichen mit stehender Flüssigkeit zu verhindern.
  13. Dachvorrichtung (10) nach einem der Ansprüche 1 bis 12, dadurch gekennzeichnet, dass die Schicht (1") aus porösem Material, die die obere Fläche der Schutzschicht mit drainierenden Eigenschaften (14) bildet, mit einem Ballastmaterial, das eine nicht zugängliche Oberfläche ausbildet, insbesondere mit einer mineralischen Schicht vom Typ Kies, oder mit Mitteln (15), die eine zugängliche und begehbare Oberfläche ausbilden, wie etwa beispielsweise den Komponenten eines Lattenbodens oder aber eines Bodens aus Fliesen (151) auf Stelzlagern (152), bedeckt ist.
  14. Dachvorrichtung (10) nach Anspruch 1, dadurch gekennzeichnet, dass jeder Körper (1') strukturell mindestens ein Mittel (7) zur Drainage von Flüssigkeit durch die Dicke des Körpers (1') hindurch besitzt.
EP23177266.6A 2022-06-09 2023-06-05 Dachvorrichtung und isolierende und drainierende bauplatte Active EP4290030B1 (de)

Applications Claiming Priority (1)

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FR2205536A FR3136492B1 (fr) 2022-06-09 2022-06-09 Dispositif de toiture et panneau de construction isolant et drainant

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EP4290030A1 EP4290030A1 (de) 2023-12-13
EP4290030B1 true EP4290030B1 (de) 2025-11-12

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ES (1) ES3061657T3 (de)
FR (1) FR3136492B1 (de)
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Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2053630A1 (en) * 1970-10-31 1972-05-04 Hebgen, Heinrich, 6700 Ludwigshafen Insulated flat roofing - with polystyrene blocks and mating side hooks
EP0102408B1 (de) * 1982-09-03 1987-04-01 Dow Chemical (Europe) S.A. Isolierelement
CA1229993A (en) * 1982-07-28 1987-12-08 Grace (W.R.) & Co. Construction barrier board
CA1187306A (en) * 1983-01-31 1985-05-21 Joseph Sartor Drainage system
US4677800A (en) * 1984-08-10 1987-07-07 The Dow Chemical Company Lightweight roofing system
DE4003875A1 (de) * 1990-02-09 1991-08-14 Walter Gutjahr Drain-daemm- und dichtplatten
US5067298A (en) * 1990-06-28 1991-11-26 The Dow Chemical Company Method for plaza deck construction
DE19840127C1 (de) * 1998-09-03 2000-05-25 Gefinex Gmbh Bauschutz- und Drainageplatte
JP5179729B2 (ja) * 2006-07-10 2013-04-10 田島ルーフィング株式会社 植栽装置における外断熱構造

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FR3136492A1 (fr) 2023-12-15
PT4290030T (pt) 2026-02-03
FR3136492B1 (fr) 2025-07-18
PL4290030T3 (pl) 2026-04-13
ES3061657T3 (en) 2026-04-06

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