EP2612973A1 - Procédé de fabrication d'une couche fonctionnelle, couche fonctionnelle d'une enveloppe de bâtiment et enveloppe de bâtiment avec une couche fonctionnelle - Google Patents

Procédé de fabrication d'une couche fonctionnelle, couche fonctionnelle d'une enveloppe de bâtiment et enveloppe de bâtiment avec une couche fonctionnelle Download PDF

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Publication number
EP2612973A1
EP2612973A1 EP20130001665 EP13001665A EP2612973A1 EP 2612973 A1 EP2612973 A1 EP 2612973A1 EP 20130001665 EP20130001665 EP 20130001665 EP 13001665 A EP13001665 A EP 13001665A EP 2612973 A1 EP2612973 A1 EP 2612973A1
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EP
European Patent Office
Prior art keywords
film
functional layer
und
rafter
building
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
EP20130001665
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German (de)
English (en)
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EP2612973B1 (fr
Inventor
Jörn SCHRÖER
Jochen Lipps
Georg Meyer
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Ewald Doerken AG
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Ewald Doerken AG
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Priority claimed from DE200910049352 external-priority patent/DE102009049352A1/de
Application filed by Ewald Doerken AG filed Critical Ewald Doerken AG
Priority to PL13001665T priority Critical patent/PL2612973T3/pl
Publication of EP2612973A1 publication Critical patent/EP2612973A1/fr
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    • 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
    • E04B1/66—Sealings
    • 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
    • E04B1/66—Sealings
    • E04B1/665—Sheets or foils impervious to water and water vapor
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D12/00—Non-structural supports for roofing materials, e.g. battens, boards
    • 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
    • E04D13/14—Junctions of roof sheathings to chimneys or other parts extending above the roof
    • E04D13/147—Junctions of roof sheathings to chimneys or other parts extending above the roof specially adapted for inclined 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
    • E04D13/1612—Insulation of the roof covering characterised by its integration in the roof structure the roof structure comprising a supporting framework of roof purlins or rafters
    • E04D13/1625—Insulation of the roof covering characterised by its integration in the roof structure the roof structure comprising a supporting framework of roof purlins or rafters with means for supporting the insulating material between the purlins or rafters

Definitions

  • the invention relates to a method for producing a functional layer of a building envelope. Furthermore, the present invention relates to a functional casing produced in particular according to the aforementioned method and to a functional layer produced in particular according to the abovementioned method.
  • roofs and facades ie the building envelope
  • External influencing factors are water in liquid form (rain, snow, condensation water, etc.), but also dust, dirt and insects, which are driven or penetrated by cracks and joints of the covering material.
  • Internal influencing factors z. B are water vapor convection or diffusion, which can lead to inadmissibly high dew or condensation.
  • underfloor, underfloor and façade membranes are used to protect against the external factors influencing air and vapor barriers / brakes.
  • the reverse arrangement may be useful.
  • material used in the composite construction films different properties are required, for.
  • vapor-permeable sd value between 0 and 0.5 m
  • moisture-variable sd value between 0.5 and 1500 m
  • vapor-damping sd value between 0.5 and 1500 m
  • vapor-blocking pathways sd value> 1500 m
  • Roofs differ in shape, inclination, design and stress by z. B. use, construction, climatic conditions and bauphysikalischc Stress. While undisturbed areas can be covered relatively easily, there are detail points, eg. As eaves, throats, rising components and connections, as well as penetrations z. As fans, cables, etc., where time-consuming and material-consuming connections must be made. Also, when laying a composite construction film injury to the functional layer by mechanical, chemical and physical stresses occur. Overall, it is therefore difficult to produce the required waterproofness and airtightness of the composite construction film.
  • Object of the present invention is to provide a method and a building envelope of the type mentioned above, wherein a functional layer can be mounted in a Sparrenfeld in a simple manner.
  • a further object of the present invention is to provide a functional layer for a building envelope or a method for producing a functional layer, wherein a simple adaptation of the functional layer to certain details of the building envelope is possible and at the same time the necessary tightness of the functional layer is ensured.
  • the functional layer is at least bcreichnem applied by brushing or spraying on the outside of the formwork and after application forms an air and / or waterproof, especially designed as a vapor barrier film,
  • the above-mentioned object is achieved according to the invention in that the functional layer has, at least for example, a film applied by spraying and / or brushing, which forms an air-tight and / or watertight film after application.
  • a film applied by spraying and / or brushing which forms an air-tight and / or watertight film after application.
  • the film is preferably applied in areas in which no composite film is provided and / or the Bauvcrbundfolic bc2020digt and / or cut or cut.
  • the invention provides a material or a method, wherein - regardless of the nature of the substrate and the type of geometric requirement - the detail of the building or the building envelope can be quickly and easily equipped with a functional layer, the meets all structural requirements.
  • spray film The film applied by spraying and / or brushing, hereinafter referred to simply as "spray film", but not limited to spraying, but also can be painted, offers the significant advantage of being much faster and easier to apply can, as attributable to the rafter field composite construction film, if necessary attributed and otherwise be fixed accordingly.
  • the spray film is preferably applied as an inner or lowermost layer, ie directly or directly, on the outer roof structure. By choosing the appropriate material Spray film can be ensured that it adheres securely to the outside of the formwork, so special fasteners are not necessary.
  • the functional layer is completely formed by the spray film, but this is more a special case, which can occur especially in very crooked roofs, in which a laying of composite building films is difficult. It is preferred if, in addition to the spray film, the functional layer has at least one composite construction film, wherein the spray film is applied in those areas in which no composite laminate film is provided and / or the composite construction film is damaged and / or cut in or cut out.
  • the predominant part of the surface to be provided with a functional layer comprises a composite construction film, for example an undercladding, underdeck or façade membrane and / or an air and vapor barrier / brake , while the respective connection or detail points, which are problematic to connect, are covered by the spray film.
  • the spray film can have the same properties (eg sd value) as the composite construction film.
  • the spray film shows different properties than the composite construction film, as may be the case for example in the field of rafters, which will be discussed in more detail below.
  • the present invention is not limited to the use of a spray foil in the rafter field.
  • the invention can also be realized in the area of the façade, if a corresponding stud work is realized there.
  • the spray film is applied to the outside of the building inside formwork, which limits the stator field between two adjacent uprights toward the building.
  • the material of the spray film is a plastic containing appropriate additives depending on the application and the properties required for it.
  • plastic is basically any plastic material in question, which can be applied by brushing or spraying.
  • Preferred here are plastic dispersions which can be dispersed, emulsified or dissolved in aqueous or organic, preferably aqueous, medium, 1K or 2K, polymers, polyamides, polyolefins, polystyrene, prepolymers and crosslinkers, polysulfone, fluorinated polymers, polycarbonates, PVC, polyacrylonitrile , Bitumen / bitumen copolymers, cellulose, latex, butadiene, styrene-butadiene, polyester, polyether, polyurethane, polyurethane resin, in this case preferably acrylates and polyurethanes.
  • the plastic content in the dispersion or in the solution is advantageously between 10 and 90 wt .-%, preferably 20 and 80 wt .-% and particularly preferably between 30 and 70 wt .-%.
  • the plastic content is> 70%, preferably> 85% and more preferably> 95%.
  • the plastic contains additives.
  • additives contained are in particular rheology modifiers, pH regulators, UV stabilizers, antioxidants, defoamers, plasticizers, adhesion promoters, drying agents, dyes, pigments and flow modifiers to understand.
  • the proportion of additives Based on the total amount of the spray film in the dry state, the proportion of additives to 30 wt .-%, preferably 0.5-15% and more preferably 1-7%.
  • the defoamer additives of the group may in principle be silicone-containing or mineral oil-containing defoamers. Particularly advantageous silicone-containing defoamers have been found.
  • the proportion of defoamers based on the total amount of all components is between 0.1 and 10 wt .-% based on the total amount of all components, in particular between 0.2 and 7.5 wt .-%. Particularly suitable mixtures have been found in which the defoamer has a proportion between 0.3 and 5 wt .-%.
  • Rheology additives are generally contained in an amount of 0.05 to 5 wt .-% and in particular 0.1 to 2.0 wt .-%, based on the total amount the spray film in the wet state.
  • rheology modifiers are preferred which exert a strong thixotropic or pseudoplastic effect, such that the viscosity of the spray film or of the spray film material during application, ie the action of high shear forces, is low, but the viscosity at low shear forces, So after application, so increases that a drainage of the sprayed layer does not take place.
  • the spray film can be applied not only in the previously mentioned areas of the composite construction film. It is then also suitable for use in the areas of flat roofs, sealing of earth-contacting components and gutters. Furthermore, it can be used for burls and drainage membranes, horticultural films, concrete, plaster, wood, fleece or similar materials for connections or repairs.
  • the time savings when using a spray film is greater, the more sophisticated and geometrically complex the building detail is built. For example, the time saved when laying on a fillet bar compared with the prior art with an adhesive bond tape to be connected composite construction film about 50%, the same savings is achieved with a pair of pliers.
  • the application temperature of the spray film is between 5 and 50.degree. C., preferably between 10 and 40.degree.
  • the film-forming time of the applied material is a maximum of 2 hours, preferably 1 hour and in particular between 5 and 30 min.
  • the applied layer thickness depends on the respective requirements. In normal applications, between 4 and 800 ⁇ m are applied during the coating application and between 11 and 1500 ⁇ m in the spray application. Sheath thicknesses between 100 are preferred in both applications and 300 microns provided. Higher requirements are necessary when sealing components that come into contact with the earth. In this area, layer thicknesses of 0.4-3 mm are required, preferably between 0.7-1.5 mm.
  • the spray film is applied to various substrates and, after 24 hours, a T-peel test in accordance with DIN 4108 is carried out.
  • the adhesive strengths are> 8 N / 5 cm, preferably> 12 N / 5 cm and more preferably> 15 N / 5 cm.
  • the watertightness is determined according to EN 13859 as a static water column.
  • To check the spray film is applied to a 2 mm wide and 5 cm long crack in a film base material.
  • water impermeability > 100 mm, preferably> 200 m, more preferably> 500 mm and in particular> 1000 mm.
  • water impermeability of> 500 mm are required, preferably> 1500 mm.
  • a special case in the application is the loop-shaped laying over the rafters.
  • a high sd value is required in the area of the rafter field and a low sd value in the area of the rafters themselves, in particular on the rafter tops. This can be achieved, e.g. in that the moisture-variable case is applied to the entire roof.
  • a smaller sd value of the spray film of ⁇ 1.7 m, preferably ⁇ 1 m and more preferably ⁇ 0.5 m can be used.
  • the support structure / layer may be, for example, a nonwoven or fabric.
  • lightweight nonwovens (10-50 g / m 2 ) of polypropylene or polyester can be used, since these are inexpensive and flexible and provide a good substrate for the coating with the spray film.
  • UV exposure, heat, cold, wind and rain are the main factors here. This is preferably taken into account by the spray film having sufficient resistance to UV radiation / heat and moisture swelling, being heat-resistant and cold-flexible, and offering adequate breaking strength and elongation at break ,
  • the resistance to UV radiation / heat is determined on a spray film according to EN 13859 in a combination of artificial weathering (QUV, 14 days) and heat storage (80 ° C, 90 days). Subsequently, waterproofness, breaking forces and elongation at break are determined. At these values 50% of the starting values before weathering and heat storage are achieved in the spray film according to the invention, preferably 80% and more preferably 90%.
  • Resistance to moisture swelling has been determined on a spray film film of the invention by storage in water at 50 ° C for 4 weeks.
  • the weight increase is less than 20%, preferably less than 10% and more preferably less than 5%, depending on the material of the spray film.
  • the breaking strength against the un-stored state is> 30%, preferably> 50%. If the test is performed on a support, a replacement can not be observed.
  • the cold flexibility has been determined on the spray film according to the invention with the respective largest layer thickness as cold bending behavior according to EN 13859.
  • the test was passed at -5 ° C, preferably at -15 ° C and more preferably at -30 ° C.
  • the tensile strength according to EN 13859 of the spray film has been found to be sufficient at a value of> 50 N / 5cm. Preferably, values of> 80 N / 5 cm have been achieved.
  • the elongation at break according to EN 13859 of the spray film was found to be suitable at a value of> 50%. Preferably> 100% and further> 200% were achieved.
  • the tensile strength should preferably be> 100 N / 5cm in this case,
  • the coating or the spray film in addition to the properties of the cured spray film and the properties in the liquid form are important.
  • the viscosity either alone or in combination, the drying time and the flow behavior of the material of the spray film a role.
  • the viscosity should be in the range of 5,000 to 25,000 mPa ⁇ s for the coating application, preferably between 8,000 and 18,000 mPa ⁇ s and more preferably between 11,000 and 15,000 mPa ⁇ s. Viscosities between 500 and 5,000 mPa ⁇ s are expedient for the spray application, preferably between 1,000 and 4,000 mPa ⁇ s and in particular between 1,500 and 3,000 mPa ⁇ s.
  • the drying time at 20 ° C and 50% relative humidity is preferably ⁇ 5 hours, so that a further work after application of the spray film in a reasonable period is possible.
  • the spray film is then dry to the surface and light.
  • the drying time is less than two hours and more preferably ⁇ 1 hour, with an open time of> 5 minutes, preferably between 6 and 20 minutes, may be useful to allow for corrections.
  • Drying times of the solvent-free film ie the aqueous-based spray film, depend very much on the acrylate dispersions used, with the exception of temperature and atmospheric moisture. It has been shown that formulations based on the Revacryl range of Synthomer have the best drying time and film formation properties, as compared to formulas based on comparable acrylate dispersions - eg Primal AC 235 (Rohm & Haas) or Mowilith LDM 7739 ( Celanese) - gives: Acrylate dispersion Manufacturer Salary [%] Tg [° C] Primal AC 235 Rohm & Haas 46 5-10 Mowilith LDM 7739 Celanese 48 7 Revacryl 100 Synthomer 60 5-13
  • the comparative formulations were side by side gerakelt on Kunsstofffolie (200 microns wet layer thickness) and determines the time to stable, ie by applying pressure with a blunt object, no more damaging film formation: Stable film formation [min] temperature AC 235 LDM 7739 Revacryl 100 11 ° C 50 50 23 13 ° C 38 45 16 15 ° C 33 38 13
  • the flow behavior is particularly important in inclined and vertical applications of importance, in principle it should be noted that the present invention can be readily implemented in horizontal, at any angle inclined and vertical applications. Runners, also known as curtains or noses, may experience excessive application of low viscosity materials, especially in applications on a vertical surface. In connection with the present invention it has been found that the flow behavior depends on the one hand on the viscosity of the material to be applied and on the other hand on the layer thickness. Furthermore, the surface tension of the substrate to which the material of the spray film is applied plays a role. In principle, the viscosity and the layer thickness as well as the surface tension of the substrate should be selected such that, when applied to a vertical flat surface, a running distance of less than 7 cm, preferably less than 5 cm and in particular ⁇ 3 cm results.
  • Plastic dispersion RA 576 II (based on acrylate / methacrylate) from Ereros, defoamer Tego Foamex 805 1% from Evonik, Printofix Red 0.5% from Clariant, thickener Borchi Gel 0621 0.5% from OMG Borchers. Viscosity: 1,750mPa ⁇ s Layer thickness: 284 g / m 2 Sd value: 1.95 m Use eg: U-shaped between the rafters or as vapor-damping LDS / repairs
  • Plastic dispersion Mowilith LDM 7739 (based on acrylate) from Celanesc, defoamer AF 0871 1% from OMG Borchers, Printofix Yellow 0.5% from Clariant, thickener Borchi Gel 0621 0.1%, from OMG Borchers, leveling additive Borchi Gel 232 1% of the company OMG Borchers Viscosity: 15,400 mPa ⁇ s Layer thickness: 197 g / m 2 Sd value: 0.92 m Use eg: U-shaped between the rafters or as vapor-damping LDS / repairers
  • Plastic dispersion Emuldur DS 2360 (based on polyurethane) from BASF, antifoam Tego Foamcx 805 0.8% from Evonik, thickener Borchi Gel 0621 0.15% from OMG Borchers, leveling additive Borchi Gel 232 1.2% from OMG Borchcrs Viscosity: 10,300 mPa ⁇ s Layer thickness 1: 60 g / m 2 Sd value: 1: 0.05 m Layer thickness 2: 105 g / m 2 Sd value 2: 0.09 m Use eg as vapor-permeable UDB, for repairs on UDB or on rafters in combination with U-vapor barrier
  • Plastic dispersion Emuldur DS 2361 (based on polyurethane) from BASF, defoamer Tego Foamex 805 1.2% from Evonik, thickener Borchi Gel 0621 0.08% from OMG Borchers, leveling additive Borchi Gel 232 0.9% from OMG Borchers Viscosity: 1,360 mPa ⁇ s Layer thickness: 66 g / m 2 Sd value: 0.19 m Use eg: as a vapor-permeable UDB, for repairs on UDB, on rafters in combination with U-vapor barrier, sealing of panel joints
  • the differences between the formulations for the spreadable and sprayable variants essentially relate to the proportion of the rheology additive to the total amount of the spray film in the wet state.
  • the proportion of the rheology additive increases by about 50% based on the initial addition of the additive for the coating film.
  • the application of the film according to the invention can be carried out by spray application by airless devices, Airmix devices or spray cans.
  • airless application by means of a pressure spray bottle
  • commercially available nozzles hollow cone, full cone, flat jet, etc.
  • Due to the high viscosity of the material of the spray film however, a special nozzle is preferably used.
  • Airmix application the spray foil is filled into the paint cup of the spray gun and applied with compressed air.
  • the spray cans preferably contain about 50% dimethyl ether as blowing agent and about 50% spray film material. In the spray application method, the distance to the surface to be sprayed is about 30 cm.
  • the functional layer is completely formed by the spray film.
  • at least one air and / or waterproof, in particular trained as a vapor barrier, along the rafter field running film strip is applied, with the longitudinal edges of the film strip and the previously or subsequently applied spray film then overlap. It is preferred in this case if first spray film strips are applied to the formwork, while the central region remains free for the film strip. Subsequently, the film strip is then applied overlapping on the applied spray film, so that then results in a secure bonding of the film strip on the spray film on the formwork.
  • the spray film is applied to at least one, in particular both rafter sides of the rafters of a rafter compartment at least to a partial height. In this case, results in a U-shape (relative to the cross section) of Functional layer.
  • the spray film is applied so that ultimately results in a closed surface of Sprühfolic and thus airtightness in the spray film. This applies not only to the rafter sides and the outside of the formwork, but in particular also to the transition between the formwork and the rafters.
  • the spray film is applied from the formwork over a Sparrcnhöhc between 10 to 90%, preferably 20 to 80% and in particular of more than 30% on the rafter side.
  • the sd value of the spray film and / or the film strip at a relative humidity of 40% should be more than 0.5 m, preferably more than 0.8 m, more preferably more than 1.3 m and in particular more than 1.9 m amount.
  • the vapor-damping spray film which is applied as a functional layer on the formwork, should not be provided on the rafter tops.
  • the rafter tops can either remain free or else a diffusion-open further film strip and / or a further diffusion-open spray film (ie by spraying or brushing) is then applied at least in certain areas.
  • the sd value of the further film strip or of the further film should be less than 0.5 m, preferably less than 0.3 m and in particular less than 0.09 m.
  • the building envelope is preferably further constructed by appropriate materials.
  • a thermal insulation material can be placed, which then in the rafter box is introduced. This can be followed by another formwork, another thermal barrier coating or a vapor-permeable underlay membrane. It is also possible to provide a further vapor-permeable film applied by spraying or brushing or another diffusion-open separating layer.
  • a counter battens and / or a battens may be applied as needed.
  • the outside forms a hard, outer cover. This can be a tile roof or a metal roof.
  • the present invention also relates to a building shell, in which the aforementioned features according to the method are then realized correspondingly constructive.
  • range indications and intervals also include all intermediate ranges and intervals lying within the range or interval limits as well as all individual values and these are to be regarded as essential to the invention, even if these are in detail not mentioned.
  • a building 1 which has a building envelope 2.
  • the building envelope 2 has a facade 3 and a roof 4.
  • the facade 3 is divided into a located above the bottom 5, not touching the earth façade area 6 and in an earth-contacting facade area 7, which is below the surface of the bottom 5, on.
  • a fireplace 8 and an antenna In the area of the roof 4 is present a fireplace 8 and an antenna.
  • the building envelope 2 is with a in Fig. 1 Provided functional layer not shown, which may be provided fully or partially in the area of the facade 3 and / or the roof 4. It is understood that areas in which doors, windows or even the fireplace 8 or the antenna 9 or other details are excluded from this.
  • the roof structure also belongs to the building envelope 2, which has a building-side formwork 11 and a plurality of rafters 12 in the roof area.
  • the formwork 11 is arranged towards the building interior and is usually connected to the lower sides 13 of different rafters 12. Between adjacent rafters 12 are each rafter fields 14, which are bounded at the bottom of the formwork 11.
  • the formwork 11 may be any component made of any material that closes the rafters 14 to the building interior.
  • the outside 15 of the formwork 11 has in the present case to the outside, ie away from the building interior.
  • the functional layer is applied to the outer side 15 of the formwork 11 at least in regions by brushing and / or spraying a film, which is referred to below as a spray film 10.
  • the spray film 10 forms after application, so after application to the outside 15 of the formwork 11, an air and / or waterproof film, which preferably also has the properties of a vapor barrier.
  • the functional layer not only extends over the entire width of the rafter field 14, but is also provided on the rafter sides 16. In this case, the functional layer each extends over a partial height of the rafter side 16. As is apparent from the in Fig. 2 shown two rafter fields 14 results, the functional layer, which is completely formed in this embodiment of the spray film 10, only a small part or almost completely extend over the entire rafter height.
  • the rafter top 17 is according to the embodiment Fig. 2 uncoated so that unimpeded drying of the wood to the outside is possible.
  • the functional layer has a film strip 18 placed on the outside 15, wherein a strip of spray film 10 is provided at the edge on both edges.
  • a strip of spray film 10 is provided at the edge on both edges.
  • the left rafter field 14 of the Fig. 3 it is the case that first the right spray film 10 has been applied. Subsequently, the film strip 18 has been placed, in such a way that the film strip 18 and the spray film 10 overlap. Subsequently, the left spray film 10 has been applied, wherein here also takes place an overlap with the film strip 18. Moreover, it is in the right spray film strip so that this - albeit only partially - on the rafter top 17 protrudes. It is understood that this is not necessarily the case.
  • the right rafter compartment 14 in the embodiment according to Fig. 3 First, the film strip 18 has been placed on the outside 15 of the formwork 11. Subsequently, the spray film strip 10 are then applied edge side. Again, there is an overlap of the spray film 10 with the film strip 18.
  • a roof structure of a building envelope 2 is shown.
  • the functional layer is applied to the outer side 15 of the formwork 11 as a spray film 10, which extends to the rafter sides 16.
  • the spray film 10 is accordingly - seen in cross section - U-shaped.
  • another spray 19 is applied on the rafter tops 17 .
  • the spray film 10 is a vapor barrier.
  • the spray film 10 and the further spray film 9 thus have different sd values.
  • a thermal insulation material 20 is introduced.
  • a further formwork 21 is applied, which ultimately rests on the rafters 11 and is fixed thereto.
  • a lower cover web 22 which is in this case open to diffusion.
  • Untcrbahn 22 and a further spray film with corresponding properties in the present case so open to diffusion, can be provided.
  • a counter-battens 23 Above the underlay membrane 22 there is a counter-battens 23 and, in turn, a battens 24.
  • the outer roof skin is presently formed by a hard cover 25 in the form of a tile roof.
  • Fig. 5 a possible embodiment of a Dachaulbaus in a building envelope 2 according to the invention.
  • a rafters 11 Aufsparrendämmung or doubling On the other formwork could be dispensed with in principle.
  • a hard cover in the form of a tile roof could also be provided a metal roof, moreover.
  • the in the Fig. 2 to 5 illustrated embodiment can in principle also be realized in the area of the facade in a stud work.
  • the present invention is therefore not on the Roof area limited, but extends in particular to the facade area, which are then provided instead of the rafters stand.
  • the functional layer of the building envelope 2 which is at least substantially not externally at least substantially outside the building envelope 2, at least in some areas applied by spraying or brushing film which forms an air- and / or waterproof film after application.
  • the aforementioned film applied by spraying and / or brushing is hereinafter referred to as spray film 10, without being limited to the application by spraying.
  • the spray foil 10 may in principle be provided over the full area in the entire area of the building envelope 1, that is to say on the facade 3 and in the area of the roof 4.
  • the spray film forms the functional layer.
  • the functional layer has a composite construction film 112 in addition to the spray film 10.
  • composite film is ultimately understood a film layer that can be composed on one or more tracks.
  • the term “Bauverbundfolie” includes films for protection against external factors, in particular Untcrspann-, lower deck and façade membranes, as well as tracks to protect against internal factors, in particular air and vapor barriers / brakes. Whenever the term “Bauverbundfolic” is used below, it can in principle mean any of the aforementioned webs.
  • Fig. 6 an installation situation is shown, which shows that the Bauverbundfolic 112 is prepared during installation by a detail to be connected in the details so that the composite building film 112 rests flat on the substrate 113.
  • the composite construction film 112 is folded in the detail immediately adjacent area or provided with a convolution 114 and attached with nails 115 or brackets not shown on the substrate 113, After creating a secure flatness of the composite film 112 can then be applied in the detail area to be attached the spray 10 become.
  • Fig. 7 an installation situation is shown, in which a Kehlsparren 116, rafters 117, Kehlschalung 118 and a composite construction film 112 are shown.
  • stress on the construction composite film 112 can easily cause functional layer injuries. If the functional layer is damaged during installation of the composite building film 112 in the areas 119, these can be quickly repaired by means of a spray film 10 which is applied to this area and forms a securely adhering film.
  • a spray film 10 which is applied to this area and forms a securely adhering film.
  • it is such that the composite building film 112 meeting each other from both sides of the throat can be easily connected to each other by spray film 10 applied.
  • Fig. 9 an installation situation in connection with an antenna 9 is shown. It should be pointed out that instead of the antenna 9, in principle, a pipe or a fan could be provided.
  • the composite construction film 112 is cut out in the penetration area of the antenna 9, so that the opening 122 results. Subsequently, the opening area and the immediately adjacent area of the composite building film 112 provided with a spray film 10, so that then an air- and waterproof connection and thus a correspondingly dense functional layer 10 results.
  • Fig. 10 shows one of the Fig. 9 comparable installation or connection situation, wherein instead of the antenna 9, a cable 123 is provided. Otherwise, reference may be made to the above statements.
  • FIG. 11 an installation situation is shown in which the connection to a wall 124 is shown.
  • the wall connection is ultimately representative of rising components. Instead of the wall 124, therefore, other alschchcnden components may be provided.
  • Adjacent to the wall 124 is a rafter 121, on which a composite construction film 112 is applied. At the end, the composite construction film 112 is folded in the direction of the wall 124.
  • the connection of the composite building film 112 to the wall 124 takes place via the spray film 10, which is applied on the edge of the composite building film 112 and the adjacent wall area. This ultimately results in the air and water tightness of the functional layer.
  • Fig. 12 shows a connection situation for a chimney 8.
  • the composite construction film 112 is cut out in the region of the chimney 8, so that the opening 122 results.
  • the connection via the spray film 10 which then overlaps, as in the other embodiments, on the one hand, the composite construction film 112 and on the other hand, the chimney 8 in the connection area.
  • the overlap should preferably be greater than 2 cm, preferably greater than 5 cm and in particular in the range between 7 cm and 15 cm.
  • the in Fig. 12 illustrated chimney connection only representative of comparable connections, such as windows, in particular roof windows and roof windows is to be considered.
  • FIGS. 13 and 14 show a connection situation in which two composite building films 112, which overlap, are connected to one another via a spray film 10. Finally, the end-side joints of the composite construction films 112, which overlap, are masked and sealed over the spray film 10. It is understood that in the FIGS. 13 and 14 illustrated embodiment Not only in the area of the front-side joints, but also on the longitudinal joints or edges of Bauverbundfolien 112 application can be found.
  • the spray film 15 may in principle be provided at all hard to reach places, the spray film 10 is then adjusted by their properties according to the structural requirements.
  • Fig. 15 a situation is shown in which in the composite construction film 112, a crack 125 is located. Cracks of the type in question usually have a width of less than 3 mm, preferably less than 2 mm, in particular less than 1 mm. The length of such cracks can be arbitrary. Cracks of this type can be repaired quickly and easily by applying the spray film 10 to achieve Lult- and waterproofness.
  • a gap 126 is shown schematically as a defect in the composite construction film 112.
  • the gap 126 usually has a gap width between 3 mm to 20 mm, preferably between 3 mm and 10 mm.
  • a support structure 127 is presently provided in the form of a fleece.
  • the nonwoven may have a surface area between 10 and 80 g / m 2 , preferably between 10 and 50 g / m 2 and in particular between 10 and 30 g / m 2 .
  • the spray film 10 is applied, which then also adheres to the surrounding area of the composite building film and ensures a dense functional layer 10.
  • FIGS. 19 and 20 a comparatively simple embodiment, in which so-called nail or tacker points, are driven into the nails 115, staples or the like Anest Trentsstoff by Bauverbundfolic 112 are sealed by the spray film 10 accordingly. It is understood that, for example, in the embodiment according to Fig. 6 a corresponding seal may also be provided in the region of the nail 115.
  • the spray application can be carried out by various devices. These may, for example, be so-called airless devices, airmix devices and spray cans.
  • the distance from the nozzle or outlet opening of the respective device to the surface to be sprayed should be about 30 cm.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Building Environments (AREA)
  • Laminated Bodies (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Medicinal Preparation (AREA)
  • Paints Or Removers (AREA)
EP13001665.2A 2009-03-28 2010-03-25 Couche fonctionnelle d'une enveloppe de bâtiment et enveloppe de bâtiment avec une couche fonctionnelle Active EP2612973B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL13001665T PL2612973T3 (pl) 2009-03-28 2010-03-25 Warstwa funkcyjna powłoki budynku i powłoka budynku z warstwą funkcyjną

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE102009015473 2009-03-28
DE102009033005 2009-07-02
DE200910049352 DE102009049352A1 (de) 2009-07-02 2009-10-13 Verfahren zum Herstellen einer Funktionsschicht einer Gebäudehülle und Gebäudehülle
DE102009049284A DE102009049284A1 (de) 2009-07-02 2009-10-13 Funktionsschicht einer Gebäudehülle, Gebäudehülle und Verfahren zum Herstellen einer Funktionsschicht
EP10712708.6A EP2411593B1 (fr) 2009-03-28 2010-03-25 Procédé de fabrication d'une couche fonctionnelle d'une enveloppe de bâtiment, enveloppe de bâtiment et couche fonctionnelle

Related Parent Applications (3)

Application Number Title Priority Date Filing Date
EP10712708.6A Division EP2411593B1 (fr) 2009-03-28 2010-03-25 Procédé de fabrication d'une couche fonctionnelle d'une enveloppe de bâtiment, enveloppe de bâtiment et couche fonctionnelle
EP10712708.6A Division-Into EP2411593B1 (fr) 2009-03-28 2010-03-25 Procédé de fabrication d'une couche fonctionnelle d'une enveloppe de bâtiment, enveloppe de bâtiment et couche fonctionnelle
EP10712708.6 Division 2010-03-25

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EP2612973A1 true EP2612973A1 (fr) 2013-07-10
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EP13001665.2A Active EP2612973B1 (fr) 2009-03-28 2010-03-25 Couche fonctionnelle d'une enveloppe de bâtiment et enveloppe de bâtiment avec une couche fonctionnelle

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US (2) US8763338B2 (fr)
EP (2) EP2411593B1 (fr)
DK (1) DK2411593T3 (fr)
EA (1) EA022536B1 (fr)
HU (1) HUE027496T2 (fr)
PL (2) PL2411593T3 (fr)
WO (1) WO2010112169A1 (fr)

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CA2785859C (fr) * 2010-02-26 2016-10-04 Mitsubishi Heavy Industries, Ltd. Procede de reparation d'une matiere composite et matiere composite obtenue par ce procede
PL2831186T3 (pl) * 2012-03-28 2020-01-31 Thüringisches Institut Für Textil- Und Kunststoff- Forschung E.V. Wielofunkcyjne warstewki powlekające, które mogą być stosowane w formie ciekłej
US20140305059A1 (en) * 2013-02-18 2014-10-16 Richard D. Riley Roofing dry-in method and system
JP6782079B2 (ja) * 2016-03-03 2020-11-11 元旦ビューティ工業株式会社 断熱下地材、及び断熱下地構造
WO2019036450A1 (fr) * 2017-08-14 2019-02-21 Gcp Applied Technologies Inc. Panneaux intégrés faisant barrière aux intempéries
EP3885521B1 (fr) * 2020-03-26 2023-11-15 Selena Industrial Technologies Sp. z o.o. Système d'étanchéité pour joints d'éléments de construction de menuiserie

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EP0185214A1 (fr) * 1984-12-18 1986-06-25 Teroson GmbH Procédé pour isoler des bâtiments contre l'humidité et matières d'étanchéité à cet effet
DE19514420C1 (de) 1995-04-19 1997-03-06 Fraunhofer Ges Forschung Dampfbremse für den Einsatz zur Wärmedämmung von Gebäuden
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Also Published As

Publication number Publication date
EP2612973B1 (fr) 2016-10-05
DK2411593T3 (en) 2015-09-07
HUE027496T2 (en) 2016-10-28
EP2411593A1 (fr) 2012-02-01
US20130333315A1 (en) 2013-12-19
PL2411593T3 (pl) 2015-11-30
PL2612973T3 (pl) 2017-05-31
EP2411593B1 (fr) 2015-05-27
EA201101314A1 (ru) 2012-04-30
WO2010112169A1 (fr) 2010-10-07
US20120055110A1 (en) 2012-03-08
US8763338B2 (en) 2014-07-01
US8733054B2 (en) 2014-05-27
EA022536B1 (ru) 2016-01-29

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