EP0984114A2 - Système de toiture à deux couches - Google Patents

Système de toiture à deux couches Download PDF

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Publication number
EP0984114A2
EP0984114A2 EP99116375A EP99116375A EP0984114A2 EP 0984114 A2 EP0984114 A2 EP 0984114A2 EP 99116375 A EP99116375 A EP 99116375A EP 99116375 A EP99116375 A EP 99116375A EP 0984114 A2 EP0984114 A2 EP 0984114A2
Authority
EP
European Patent Office
Prior art keywords
double
roof system
profile
skin
skin roof
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
EP99116375A
Other languages
German (de)
English (en)
Other versions
EP0984114A3 (fr
EP0984114B1 (fr
Inventor
Gerd-Rüdiger Dr.-Ing. Klose
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.)
Deutsche Rockwool Mineralwoll GmbH and Co OHG
Original Assignee
Deutsche Rockwool Mineralwoll GmbH and Co OHG
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 Deutsche Rockwool Mineralwoll GmbH and Co OHG filed Critical Deutsche Rockwool Mineralwoll GmbH and Co OHG
Publication of EP0984114A2 publication Critical patent/EP0984114A2/fr
Publication of EP0984114A3 publication Critical patent/EP0984114A3/fr
Application granted granted Critical
Publication of EP0984114B1 publication Critical patent/EP0984114B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • E04D3/3601—Connecting; Fastening of roof covering supported by the roof structure with interposition of a insulating layer
    • E04D3/3602—The fastening means comprising elongated profiles installed in or on the insulation layer
    • 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
    • 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
    • E04D3/3601—Connecting; Fastening of roof covering supported by the roof structure with interposition of a insulating layer
    • E04D3/3603—Connecting; Fastening of roof covering supported by the roof structure with interposition of a insulating layer the fastening means being screws or nails

Definitions

  • the invention relates to a double-skin roof system, in particular for flat ones and flat-pitched roofs up to 15 °, consisting of a load-bearing Roof shell, a thermal insulation layer arranged on the roof shell, preferably between the roof shell and the thermal barrier coating a vapor barrier wind barrier is arranged, a roof seal and an upper roof shell arranged above the thermal insulation layer, the thermal insulation layer over profile elements and screws used is connected to the roof shell.
  • the double-skin roof systems in question are as warm roof constructions trained and have a load-bearing substructure Roof shell on.
  • This roof shell can consist of profiled sheet metal elements.
  • roof shells are also known which are made of reinforced in-situ concrete, made of concrete, aerated concrete elements, board formwork, slabs Wood materials or the like exist.
  • Thermal insulation layer in particular made of mineral wool insulation or polystyrene rigid foam insulation panels on, between the thermal barrier coating and the roof shell usually has a vapor barrier wind barrier is arranged. This vapor retarder wind barrier is particularly useful for air-permeable roof shells necessary.
  • This roof top shell can consist of sheet steel elements, for example galvanized, aluminized, coated, remains, copper-plated, tinned, can be chrome-plated and / or nickel-plated. Furthermore, copper, Titanium zinc, aluminum brass, chrome nickel steel and lead sheets use.
  • the upper roof shell is fastened in a manner known per se about sticking, which is usually at the transition points of adjacent sheets are engaged in corresponding recesses and on the other hand are attached directly to the roof shell.
  • the thermal insulation layer is due to the required assembly together with the roof waterproofing increasingly using screws on the Roof shell attached.
  • the mounting screws can anchored in the roof shell using metal or plastic dowels become.
  • it is customary to apply the insulation layer Fasten metal rails to the roof shell, the metal rails again connected to the roof shell using screws. This Metal rails have become stronger especially in edge areas Proven wind suction.
  • the above-mentioned sheets for the roof top shell can be self-supporting be trained.
  • These profiled flat sheets, if necessary are provided with flat beads, are different folds or lasts connected with each other.
  • For the frequently used fold connections are sheet metal scraps over the clings on the load-bearing roof shell anchored.
  • the adherences are sheet metal sections or extruded profiles, the rigid or with sliding elements on the load-bearing Roof shell are attached and that together with the individual sheet metal scrap be folded.
  • the number of sticks per meter and the respective Distance to each other depends on the material, the width of the ratchet and for example the wind suction loads on the roof structure.
  • Roof structures described above have at least two significant disadvantages.
  • the large number make them more massive Adhere from metal formed according to large thermal bridges that the Can reduce the effect of the insulation layer by up to 25%.
  • the stick frequently when laying the insulation material especially insulation felts not carefully packed into the insulation, but more or If they are less free, condensation water collects on them, which goes into the insulation layer can penetrate and wet them in unfavorable cases.
  • Conditional corrosion damage can, under certain circumstances, improve stability adversely affect the roof structure. It also diminishes only a partial moistening of the insulation effect of the insulation layer.
  • compressible insulation felts between the roof shell and the roof shell is not necessarily the roof structure walkable.
  • EP 0 685 612 B1 describes a substructure for double-skin roof systems known with a support structure. There is a thermal barrier coating on the supporting structure arranged using spacer profiles with the support structure connected is. The distance profiles are embedded in the thermal insulation layer that they form a flat mounting surface on which the sealing Upper shell rests and can be attached. As distance profiles elongated U-profiles are used, the webs of which are the mounting surfaces form, while the right-angled legs into the thermal insulation layer are let in. Such spacer profiles are made of metal and put together with the fastening screws of the roof top shell Represent thermal bridges that negatively affect the thermal insulation of the roof system.
  • roof system is known from DE 38 17 238 A1.
  • the insulation layer consists of polystyrene hard foam panels, grooves are cut in the surface. By the grooves have regular arrangement of the insulation boards Distances on. Wooden strips are inserted into the grooves Screws are attached to the corrugated carrier shell. So take action the screws the insulation boards and represent a thermal bridge.
  • the roof system known from this publication is around a single-skin roof system, which is the arrangement of an upper roof shell does not provide.
  • SE 408 567 is a roof structure with one on the base layer overlying insulation layer, in particular made of styrofoam rigid foam panels known.
  • insulation layer in particular made of styrofoam rigid foam panels
  • In the surface of these insulation boards are in Periodically milled grooves in the elongated stiffening components are inserted in the form of rod-shaped strips. The last are connected to the base layer by means of screws, so that also in this If the screws penetrate the insulation layer and a thermal bridge represent.
  • wooden slats provided, since this document is a gluing of the same speaks.
  • a fastening element for a Warm roof construction especially made of profiled roof elements, preferably known from sheet metal, the profiled roof elements on a Structure with a hard thermal insulation layer are placed.
  • the fastener consists of a relatively small, essentially the pressure distribution serving sheet metal piece with a central recess for the sinking the head of the connecting screw with the structure.
  • the stick-like Bracket for the roof top shell, namely the profiled roof elements is either fixed with a central screw or with a Roof element welded, riveted or by partially punching out formed the roof element.
  • the thermal insulation layer must be flexible be designed that the roof elements connected to the structure can be.
  • DE 37 05 523 A1 discloses a roof with a roof support structure, in which the load-bearing capacity of the thermal insulation layer is permanently ensured should be.
  • fastening screws in to use a plastic sleeve that is so thin-walled and sharp at the edges is designed so that it cuts through the insulation with little effort can be introduced.
  • the plastic sleeve should Wear pressure plate so that the screw head does not hit the roof waterproofing presses and perforates it.
  • a major disadvantage of this solution is that the plastic sleeve with the fastening screw used ventilation channels punched into the thermal insulation layer through which the warm air can flow from inside the room.
  • there is also the danger of cold air reaching into the area of the load-bearing roof shells can reach. Both effects lead to physical disadvantages.
  • the distance profiles therefore have the task of avoiding a connection of the film to the thermal insulation panels, since such a connection only in a technically complex manner can then be produced if the thermal insulation panels already correspond on welding with a thermoplastic film in production terms are prepared.
  • the distance profiles provide duct channels between adjacent thermal insulation boards through which either warm air is discharged from the interior of the room or cold air into the Interior can be introduced. The screws used and / or Nails lead to a corresponding temperature exchange between the Interior and the surrounding area.
  • the entire prior art thus has the disadvantage of use of metallic profiles. Because of the high temperature differences below the roof sealing, namely the top roof shell, it occurs regularly for the formation of condensation. The amount of condensation is all the greater the larger the free space under the roof sealing or the lighter the Air exchange between the environment and the space between the roof shell and roof top shell is. By in the surface of the insulation embedded metal profiles or through the connecting elements between the roof shell and the roof top shell can have condensation in recesses collect and attack both the insulation material and corrosion damage on the rails or fasteners, what corrosion damage precludes the roof system from being walked on can.
  • the solution to this problem provides that between the roof top shell and the roof shell installed fasteners for the thermal insulation layer and / or the roof top shell are designed such that Thermal bridges and / or heat pipes from fasteners predominantly pressure-resistant and low heat-conducting plastics at least are significantly reduced, in particular interrupted.
  • Adhesive and screw elements are used for thermal bridges to be interrupted.
  • Adhere to the profile elements and over the profile elements Connect screws to the roof shell, the heat flow between the roof top shell and the roof shell, for example, by use of adhesives made of plastic and / or profile elements made of plastic and / or Fastening screws made of plastic is interrupted.
  • the Roof top shell with adhesive preferably in an L-shaped profile, with is connected to the profile elements, which stick at least partially a tough and pressure-resistant plastic, especially made of polyamide consist.
  • profile elements consist of a narrow, wide thermoplastic over the possible temperature range in a roof system behaving plastic, especially made of polyamide or its varieties.
  • plastic fiber-reinforced in particular through the use of short fibers, preferably from Glass, aramid, carbon, cellulose and / or viscose.
  • the fibers of the fiber-reinforced plastics are particularly sprayable or in the form of nonwovens, fabrics, Rohvings or combinations thereof intended.
  • the profile elements are preferably T-shaped, Z-shaped or U-shaped in cross section designed to have a good connection with the thermal insulation layer to be fastened to enable.
  • the profile elements lie on the thermal insulation layer or in corresponding recesses, previously milled in. A move the thermal insulation layer panels is essentially in this embodiment prevented.
  • the profile elements are form-fitting with the thermal insulation boards connected, in which the thermal barrier coating in its the surface facing the roof shell has recesses whose Contours match the outer contours of the profile elements.
  • the profile elements made of a polyolefin elastomer, subsequently rubberized fabric tapes and / or rubber bands or rubber profiles with glass, steel, Rayon and / or polyamide fibers exist.
  • Such profile elements are sufficiently stiff and can therefore compensate for pressure, especially with such insulation materials work together, for example, at increased loads an inspection of the roof system due to loss of strength suffer from exposure to moisture.
  • the anchorage is used for pressure-resistant insulation materials rather burdened by the wind suction, i.e. the profiles have to everything be sufficiently tensile, which is also due to the use of the above mentioned profile elements is enabled.
  • the band-like profile elements are preferably in the area of at least one Surface ribbed, the rib-like design of the Surface serves to reinforce the profile element. Serve at the same time the depression created by the rib-like design Collecting the defrosting water.
  • the ribbing of the profile elements runs parallel to the longitudinal extent the like, so that in particular greater stability of the profile elements around a bending axis perpendicular to the longitudinal extent and parallel to the Longitudinal plane of the profile elements runs.
  • the profile elements several, in particular arranged at the same distance from one another Holes for receiving the screws with screw heads and possibly have identical plates, with the holes expand towards one end to accommodate the screw heads.
  • Profile elements designed in this way are factory-made for the quick assembly prepared, the arrangement of the holes in the same Distances to each other leads to a large weakening of the insulation sheets penetrated by the screws is not caused.
  • the bores are designed such that they take up the screw heads sunk so that over the surface components protruding from the profile elements are avoided.
  • the screw heads of the screws are at least partially plastic-coated are trained.
  • the plastic jacket also has the advantage that sharp-edged areas can be avoided, so that accordingly covered screw heads a lower risk of damage to the still used building materials, such as waterproofing films represent.
  • the profile element consists of a longitudinally flexible plastic, which allows the profile element to be rolled up.
  • the profile element preferably has at least one, preferably in the middle arranged, longitudinal profile on In this profile holes are arranged for receiving the fasteners.
  • the profiling preferably has a depth which is sufficient for the Heads of the fasteners below the, through the on both sides the profiling arranged surface sections of the profile element certain levels. This configuration also avoids one Contact between the fasteners, especially the screw heads and the foils arranged above the thermal insulation layer.
  • the profiling extends over the entire length of the profile element. Alternatively, it can be provided that the profiling in sections Profile element is arranged.
  • the profile can be filled with an insulation strip. Conceivable is also the filling of the profiling after the installation of the Profile element through an assembly foam. The only important thing is that the profiling after installing the roof system is not a pipe system can be used for convection currents.
  • shafts that can be pressed into the thermal insulation layer.
  • These shafts can, for example also the profiling designed as a central guide trough be arranged.
  • Each shaft preferably has a lid that after inserting and fastening the fastener in the shaft can be used, the cover preferably being injection molded onto the profile element is.
  • the shafts allow the fasteners to be in one warmer area of the insulation.
  • the thermal bridge effect of this screw can be arranged in the warmer area of the insulation can be reduced.
  • the screw is closed by a cover.
  • the lid can also be used as a foam or plug, in particular Be soft foam. It is only essential that a thermal bridge between the metal screw and a possibly to be used Adhesive made of metal, which is placed on the profile element made of plastic is prevented.
  • each shaft can be inserted into a hole in the profile element, which Bore in particular has a circumferential milling. In this hole the shaft is retracted with the help of a screw.
  • Such shaft-screw combinations are easier to store and store so that it can be set faster.
  • the shaft has an internal thread, Retaining nipples or ring-shaped constrictions to hold on of the lid or another closure element are suitable.
  • a fabric strip in particular Synthetic fibers is arranged to form a Velcro fastener, wherein the counterpart of the Velcro fastener on the underside of a roof waterproofing membrane or film is attached.
  • a weldable or adhesive sealing sheet or film is arranged on which the roof waterproofing membrane or film is placed before by a temperature effect a connection, namely a welding of the two elements is achieved.
  • a temperature effect a connection, namely a welding of the two elements is achieved.
  • this can also be done use double-sided adhesive tape.
  • the metal core or a fiber-reinforced plastic core can in particular be surrounded by a covering made of polyurethane foam or rigid polyisocyanurate foam.
  • the sheathing preferably has a bulk density of approximately 40 to 150 kg / m 3 , preferably 70 to 100 kg / m 3 .
  • These profile elements or adherence have a much higher moment of inertia under bending loads and a higher rigidity. It has proven to be advantageous here to design the casing with a material thickness of 1 to 20 mm, preferably 2 to 5 mm.
  • the material thickness of the casing can also vary in one and the same profile element.
  • the casing is preferably formed on the surface facing the thermal insulation layer with a smaller material thickness than on the opposite surface facing the top roof shell.
  • the focus here is on countersinking the screw head within the casing with the greater material thickness.
  • the material thickness of the sheathing on the surface of the profile element facing the roof top shell is selected to be so large that a screw head of a fastening element can be completely countersunk therein.
  • the sheathing preferably consists of an elastic Foam, for example chloroprene (cellular rubber).
  • the casing from a hard rubber for example from natural, Buna or Nitrile hard rubber or soft rubber based on natural, buna, Chloroprene, butyl, ethylene, propylene, terpolymer and / or fluororubber consist.
  • Each stick has at least on its leg arranged on the profile strip a thickening of material, in particular in the form of a bead, the essentially parallel to the second, substantially perpendicular to Profile strip extending leg extends and over the head of a fastener protrudes.
  • This thickening of material serves for protection the applied sealing film, which is otherwise due to the screw head could be damaged when walking on the roof system.
  • a simple design of the adhesives is present when the adhesives are on the profile elements are vulcanized. This can be done at the factory a fastener to be created after laying out the Thermal insulation layer is mounted and at the same time the brackets for the Has top roof shell.
  • the sticks are rotatable on the Profile elements attached. This configuration enables alignment the adhesion depending on the installation direction of the individual roof shell elements, so that the adhesives can be fixed and aligned with their orientation the roof top shell can be connected.
  • the adhesives are formed in two parts and a pressure plate with it have attached sleeve, which sleeve a bolt of the upper part the arrest picks up.
  • the adhesives thus consist of a pressure plate welded sleeve, which is guided, for example, through an elongated hole.
  • the upper part of the stick has a bolt that can be screwed into the sleeve is. If the stick is arranged in the slot, it can be moved with connected to the profile element so that the position of the adhesive on the roof top shell, for example, to be adjusted to the width of a ratchet can.
  • the lower part of the adhesive is preferably made of plastic, for example Polyamide, thermosetting plastic or reinforced elastomers, into which the sleeve is incorporated.
  • the two parts of the adapters can be pivotally hinged together be so that the adhesive is foldable.
  • the two parts of the detention are in fixable to the hinge connecting them.
  • the adhesives can be aligned so that they are factory are already connected to the profile elements, the rollability of the But do not affect profile elements. On the construction site, the profile elements then rolled out and the sticks set up before the sticks in their set position.
  • the adhesives are to be installed independently of the profile elements, it has proved advantageous to adhere to the fasteners of the To attach profile elements to the same, which the profile strips with the Connect the roof shell. It is then a less labor-intensive job the screw connection of the profile elements and the adhesion.
  • the adhesives point to reinforcement in the area of their transition at right angles mutually arranged legs a circular arc section in the side section Plastic element.
  • the adhesion has a pressure compensation plate, in particular made of plastic, on rests on the surface of the profile bar. This will relieve the pressure on the Roof top shell on a larger area of the profile strip distributed.
  • the adhesion on its facing the profile strip Underside has a projection which in a corresponding recess can be inserted into the profile bar.
  • This configuration will the adhesive form-fitting with the profile element before it is screwed together connected.
  • the fastening screw for the adhesive is also in this case relocated a deeper and therefore warmer area of the insulation element.
  • the profile element is designed as a perforated plate.
  • a perforated plate has the advantage that a more individual attachment of the adherence to the profile element is possible without additional drilling.
  • a section 1 of a double-skin roof system shown in FIG. 1 has a heat insulation layer 2 made of several rock wool insulation panels.
  • the thermal barrier coating 2 is on a roof shell shown in FIG. 2 3 from a large number arranged side by side and in cross section arranged trapezoidal profiles.
  • a vapor barrier wind barrier 4 arranged, which consists for example of a sealing film.
  • the thermal insulation layer 2 is connected to the roof shell 3, namely screwed.
  • Profile elements 6 placed, for example according to Figure 2 in cross section Are U-shaped, the two free legs of the profile elements 6 in corresponding previously milled recesses 7 in the Surface 5 of the thermal insulation layer 2 mature.
  • the profile elements 6 are connected to the roof shell 3 by a plurality of screws 8, the screws 8, a bore 9 in the profile element 6 and the thermal barrier coating 2 reach through.
  • the bore 9 is deepened in the profile element 6 arranged, each profile element a plurality of holes 9, which is evenly spaced from one another over the length of the Profile element 6 are arranged distributed.
  • FIGS. 1 to 7 there is only one profile element 6 with one screw 8 shown. It goes without saying that with a double-skin roof system the design in question a variety of screws 8 and profile elements 6 are necessary to ensure sufficient strength of a walk-in roof system also with regard to existing ones To produce wind suction.
  • the Profile elements 6 attached 10 attached, which are formed as L-shaped profiles are.
  • the adhesives 10 are fixed with the screws 8 to the profile elements 6 and the roof shell 8, wherein the adherents 10, the profile element 6 and the screws 8 are designed such that thermal bridges and / or Heat conduction between the roof shell and not shown the roof shell 3, which may be made of metal profiles, is essential reduced, in particular interrupted.
  • the Stick 10 and / or profile elements 6 and / or screws 3 at least predominantly consist of a low heat conductive plastic that is also designed to be pressure-resistant.
  • insulation or sealing elements provided that the adhesive 10 in the area of their, lying on the profile element 6 Leg 11 has a retraction 12, in the area of which Bore for receiving the screw 8 is arranged.
  • the confiscation 12 is designed according to the bore 9, so that the adhesive 10 with her Leg 11 as far as possible over the entire surface of the profile element 6 lies on.
  • the adhesive 10 at the free end of the leg 11 has a transverse bead 13, the height of which is greater than the height of the 6 excellent screw head over the surface of the profile element 14 of the screw 8.
  • the adhesive 10 also consists of a tough and hard and pressure-resistant polyamide.
  • Polyamide is an all-in-one Roof system possible temperature range more thermoplastic Plastic.
  • the plastic can be fiber-reinforced, in particular with short fibers, preferably made of glass, aramid, carbon, cellulose and / or viscose. Here it has proven to be advantageous form the fibers so that they are sprayable.
  • Fiber reinforcement can also be nonwovens, fabrics, rovings or combinations be incorporated into the polyamide.
  • the profile element is in the area its surface is ribbed.
  • the ribbing of the profile element 6 runs parallel to the longitudinal extent of the profile element 6 and serves Reinforcement of the profile element 6.
  • the resulting from the ribbing In addition, wells are used for the collection of possibly precipitating condensation, which flows into depressions in the ribs edge area of the roof system can be performed.
  • FIG. 3 Another embodiment of the roof system according to the invention is shown in Figure 3 shown.
  • the profile element 6 has a U-shaped design in its central region Profiling 15, which in a corresponding recess of the thermal barrier coating 2 is inserted.
  • This profile 15 has in its web area the holes 9 for the screws 8, so that the screw heads 14 are arranged sunk completely in the area of the profiling 15.
  • the adherents 10 shown in FIG. 3 are T-shaped in cross section, the lying on the surface of the profile element 6 Leg sections 11 of the tack 10 on the upstanding leg of the Adhesion 10 material thickness increase in the shape of a circular arc section have, whereby the stability and thus pressure resistance of Adhesion 10 made of plastic is significantly enlarged.
  • Such a bond 10 As shown in Figure 3, can also be formed in several parts, in which the two lie on the surface of the profile element 6 Leg sections 11 riveted to the upstanding leg of the adhesive 10 or are glued.
  • the attachment of the adhesive 10 to the profile element 6 is also carried out by riveting, Screw or glue, whereby the gluing of the leg sections 11 with the surface of the profile element 6 has proven to be advantageous Has.
  • both on the surface of the profile element 6 as well as in the area of the leg sections 11 of the adhesive 10 effective glue should be provided when heated.
  • FIG. 4 shows a further embodiment of a section 1 of the invention Roof system shown. That in this embodiment provided profile element 6 also has a profile 15, which is formed as a recess in the profile element 6, the recess the profile 15 in the embodiment of Figure 4 in cross section is trapezoidal.
  • the profile 15 forms a central guide trough, which extends over the entire length of the profile element 6.
  • the profile element 6 has a plurality of im Shafts 16 arranged at a uniform distance from one another.
  • everyone Shaft 16 is designed as a truncated-cone-shaped element that has one cavity open on both sides which limits the reception of the Screw 8 is used.
  • Each shaft 16 has a length that is approximately equal to two thirds of the material thickness of the thermal insulation layer 2 corresponds, so that the screw 8 in a warmer area of the thermal barrier layer 2 is arranged.
  • the shaft 16 is molded onto a plate 17 which can be inserted into the profiling 15 is.
  • the plate 17 can be in sections or according to the length of the profile element 6 may be formed.
  • screws 8 can preferably be used made of alloy steel with a thermal conductivity of approx. 15 W / mK be without the use of such screws 8 made of metal cause a large thermal bridge effect within the roof system.
  • the cavity in the shaft 16 is after the screw 8 and then screwed to the roof shell 3 by one on the Plate 17 molded, closed lid, not shown. It there is also the possibility of given the cavity of the shaft 16 Time with local foam or a stopper made of pre-compressed soft foam to fill in.
  • the adhesive 10 shown in FIG. 4 is designed as an L-shaped profile and has on its underside facing the profile element 6 Leg 11 a pressure plate 18, which in the profile 15 of the profile element 6 is used.
  • the pressure plate 18 connects the adhesive 10 frictionally with the profile element 6.
  • the pressure plate 18 with be glued to the profile element 6.
  • the adhesion 10 directly on the surface of the profile element 6 attach, however, the pressure plate 18 supporting the adhesive 10 allows on the profile element.
  • the embodiment of the roof system according to the invention shown in FIG. 5 corresponds essentially to the embodiment of Figure 3, at which, however, a different tack 10 is used in FIG.
  • the bond 10 exists from a metal bracket with a pressure compensation plate 19 made of plastic, which pressure compensation plate 19 includes the leg 11 of the adhesive 10 and extends into the profile 15 of the profile element 6.
  • pressure compensation plate 19 includes the leg 11 of the adhesive 10 and extends into the profile 15 of the profile element 6.
  • fastening tongues 20 are formed in the longitudinal direction of the section protruding into the profile 15 of the profile element 6 are arranged progressively.
  • the fastening tongues 20 are used for fastening the tack 10 in the web area of the profile element 6, the fastening tongues 20 for example holes for receiving the screw 8 can have. But there is also the option of using the adhesive 10 to fix the fastening tongue 20 with such screws that only reach through the fastening tongue 20 and part of the profile element 6.
  • FIG. 6 shows the profile element in side view, the profile element next to a Recess 21 trapezoidal configuration two adjacent V-shaped recesses 22.
  • the recesses 21 and 22 run in the longitudinal direction of the profile element 6 and extend over the entire length of the profile element 6.
  • a fabric 23 made of synthetic fibers glued and / or mechanically attached.
  • the fabric 23 serves on the one hand as thermal insulation if the profile element consists of metal, so that an applied adhesive or an applied roof waterproofing membrane or foil thermally through the fabric 23 of the profile element 6 is separated.
  • the fabric 23 can be formed as part of a Velcro fastener his.
  • it is a hook fabric, with the counterpart this fabric 23 to form a Velcro on the Underside of the above-mentioned roofing membrane or film, which is not shown, can be arranged.
  • FIG. 7 a further embodiment of the invention is shown in FIG. 7 shown that the profile element from a metal core 24 and a Hard foam casing 25 is made.
  • the rigid foam casing 25 encases the metal core 24 formed from an extruded aluminum profile completely and has on its surface lying on the thermal insulation layer 2 5 support strips 26, which extend over the entire length of the profile element 6 extend.
  • the bores 9 are arranged in the central region of the profile element 6, which both the rigid foam casing 25 and the metal core 24 penetrate and serve to accommodate the screws 8.
  • elastic foams such as chloroprene (cellular rubber) can be used.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
  • Tents Or Canopies (AREA)
  • Building Environments (AREA)
EP99116375A 1998-09-03 1999-08-20 Système de toiture à deux couches Expired - Lifetime EP0984114B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19840076A DE19840076A1 (de) 1998-09-03 1998-09-03 Zweischaliges Dachsystem
DE19840076 1998-09-03

Publications (3)

Publication Number Publication Date
EP0984114A2 true EP0984114A2 (fr) 2000-03-08
EP0984114A3 EP0984114A3 (fr) 2001-05-30
EP0984114B1 EP0984114B1 (fr) 2005-10-19

Family

ID=7879621

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99116375A Expired - Lifetime EP0984114B1 (fr) 1998-09-03 1999-08-20 Système de toiture à deux couches

Country Status (4)

Country Link
EP (1) EP0984114B1 (fr)
AT (1) ATE307240T1 (fr)
DE (2) DE19840076A1 (fr)
ES (1) ES2251809T3 (fr)

Cited By (9)

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EP1288388A1 (fr) 2001-08-27 2003-03-05 Otmar Helmbrecht Profile intercalaire et construction associee de toit ou paroi
EP1616063A2 (fr) * 2003-02-27 2006-01-18 Building Materials Investment Corporation Plaque de contrainte composite en matiere plastique/metallique et son procede d'utilisation pour fixer une membrane de couverture thermoplastique a une sous-toiture
WO2006027115A1 (fr) * 2004-09-07 2006-03-16 Deutsche Rockwool Mineralwoll Gmbh & Co. Ohg Systeme pour fixer des elements isolants sur une structure inferieure de toit et toit de batiment
WO2006027180A1 (fr) * 2004-09-07 2006-03-16 Deutsche Rockwool Mineralwoll Gmbh & Co. Ohg Dispositif servant a fixer des elements isolants sur l'ossature porteuse d'un toit et toit de batiment
WO2006027181A1 (fr) * 2004-09-07 2006-03-16 Deutsche Rockwool Mineralwoll Gmbh & Co. Ohg Dispositif servant a fixer des elements isolants sur l'ossature porteuse d'un toit et toit de batiment
EP1445395B1 (fr) * 2002-03-20 2006-04-05 Pröckl GmbH Système de toiture et procédé de couverture d'une toiture
EP1645698A1 (fr) * 2004-10-05 2006-04-12 Rockwool International A/S Une structure de toit
EP2354362A3 (fr) * 2010-01-13 2012-08-15 Heinrich Adriaans Dispositif de fixation pour l'ancrage d'éléments de construction sur un toit plat
CN111576747A (zh) * 2020-04-20 2020-08-25 中铁建工集团有限公司 一种双层金属屋面施工工艺

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PT2541622E (pt) 2008-02-02 2016-03-01 Renolit Belgium Nv Módulos fotovoltaicos
US10434756B2 (en) 2009-07-23 2019-10-08 Francois Rummens Photovoltaic modules with polypropylene based backsheet
DE102020118945A1 (de) 2020-07-17 2022-01-20 Detlef Brüggemann Schichtaufbau zur Befestigung von Aufbauten auf Flachdächern, Terrassen, Laubengängen und Balkonen

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SE408567B (sv) 1977-05-04 1979-06-18 Metodgolv Ab Yttertak
DE8031706U1 (de) 1980-11-28 1981-03-26 Rehau Plastiks AG + Co, 95111 Rehau Distanzprofil fuer dacheindeckungen
DE3705523A1 (de) 1987-02-20 1988-09-01 Niederberg Chemie Dach mit dachtragekonstruktion
DE3817238A1 (de) 1987-05-26 1988-12-22 Dyckerhoff Eduard Gmbh Waermedaemmplatte
EP0685612B1 (fr) 1994-05-30 1997-03-05 Gerthold Dipl.-Ing. Pröckl Garniture pour systèmes de toit à double couche
DE19647934A1 (de) 1996-10-24 1998-04-30 H & W Dach Und Fassadensysteme Befestigungselement für profilierte Dachelemente, vorzugsweise aus Blech

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1288388A1 (fr) 2001-08-27 2003-03-05 Otmar Helmbrecht Profile intercalaire et construction associee de toit ou paroi
EP1445395B1 (fr) * 2002-03-20 2006-04-05 Pröckl GmbH Système de toiture et procédé de couverture d'une toiture
EP1616063A2 (fr) * 2003-02-27 2006-01-18 Building Materials Investment Corporation Plaque de contrainte composite en matiere plastique/metallique et son procede d'utilisation pour fixer une membrane de couverture thermoplastique a une sous-toiture
EP1616063A4 (fr) * 2003-02-27 2009-11-11 Building Materials Invest Corp Plaque de contrainte composite en matiere plastique/metallique et son procede d'utilisation pour fixer une membrane de couverture thermoplastique a une sous-toiture
WO2006027115A1 (fr) * 2004-09-07 2006-03-16 Deutsche Rockwool Mineralwoll Gmbh & Co. Ohg Systeme pour fixer des elements isolants sur une structure inferieure de toit et toit de batiment
WO2006027180A1 (fr) * 2004-09-07 2006-03-16 Deutsche Rockwool Mineralwoll Gmbh & Co. Ohg Dispositif servant a fixer des elements isolants sur l'ossature porteuse d'un toit et toit de batiment
WO2006027181A1 (fr) * 2004-09-07 2006-03-16 Deutsche Rockwool Mineralwoll Gmbh & Co. Ohg Dispositif servant a fixer des elements isolants sur l'ossature porteuse d'un toit et toit de batiment
EP1645698A1 (fr) * 2004-10-05 2006-04-12 Rockwool International A/S Une structure de toit
WO2006037324A1 (fr) * 2004-10-05 2006-04-13 Rockwool International A/S Structure de toiture
EP2354362A3 (fr) * 2010-01-13 2012-08-15 Heinrich Adriaans Dispositif de fixation pour l'ancrage d'éléments de construction sur un toit plat
CN111576747A (zh) * 2020-04-20 2020-08-25 中铁建工集团有限公司 一种双层金属屋面施工工艺

Also Published As

Publication number Publication date
EP0984114A3 (fr) 2001-05-30
DE19840076A1 (de) 2000-03-23
DE59912669D1 (de) 2006-03-02
ES2251809T3 (es) 2006-05-01
ATE307240T1 (de) 2005-11-15
EP0984114B1 (fr) 2005-10-19

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