EP2411593B1 - Procédé de fabrication d'une couche fonctionnelle d'une enveloppe de bâtiment, enveloppe de bâtiment et couche fonctionnelle - Google Patents

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

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Publication number
EP2411593B1
EP2411593B1 EP10712708.6A EP10712708A EP2411593B1 EP 2411593 B1 EP2411593 B1 EP 2411593B1 EP 10712708 A EP10712708 A EP 10712708A EP 2411593 B1 EP2411593 B1 EP 2411593B1
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EP
European Patent Office
Prior art keywords
foil
film
und
rafter
area
Prior art date
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Application number
EP10712708.6A
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German (de)
English (en)
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EP2411593A1 (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 PL10712708T priority Critical patent/PL2411593T3/pl
Priority to EP13001665.2A priority patent/EP2612973B1/fr
Publication of EP2411593A1 publication Critical patent/EP2411593A1/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 functional layer of a building envelope, a building envelope with such a functional layer and a method for producing a functional layer of a building envelope.
  • Roofs differ in shape, inclination, design and stress by z. B. use, construction, climatic conditions and building physics stress. While undisturbed areas covered relatively easily can be, there are detail points, z. 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. Overall, it is therefore difficult to produce the required waterproofness and airtightness of the composite construction film.
  • a one-component sealing composition of vinyl polymer dispersion is known, which is provided for connecting and / or sealing of materials.
  • the sealant is pressed out of the cartridge or plastic bag by means of a squeeze gun.
  • the viscosity of the sealant in the wet state is at least about 50 Pa ⁇ s and is preferably at least about 350 Pa ⁇ s.
  • the object of the present invention is to provide a functional layer for a building shell or a method for producing a functional layer, wherein adaptation of the functional layer to certain details of the building envelope is possible in a simple manner and at the same time the necessary tightness of the functional layer is ensured.
  • the functional layer comprises at least one composite construction film and, in regions, a film applied by brushing, which forms an air- and / or waterproof film after application, wherein the film is applied in areas in which no composite construction film is provided and / or the composite building film is cut in or cut out for a connection or a component and / or two composite construction films overlap so that adhesion and sealing result after the application of the film, and wherein the viscosity of the material of the film ranges between 5000 and 25,000 mPa ⁇ s is.
  • the functional layer has at least one composite construction film and, in regions, a film applied by brushing and / or spraying, which forms an air-tight and / or watertight film after application, wherein the film is applied in areas in which no composite film is provided and / or the composite construction film for a connection or a component is cut or cut and / or overlap two composite films, so that after application of the film results in bonding and sealing, and wherein the viscosity of the material of the film for the coating application is in the range between 5000 to 25,000 mPa ⁇ s.
  • 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 film.
  • the film can have the same properties (eg sd value) as the composite construction film.
  • the film has 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 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 preferred as inner or lowermost layer, ie applied directly or directly to the outer roof structure.
  • 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.
  • plastic dispersions which can be dispersed, emulsified or dissolved in an aqueous or organic, preferably aqueous, medium, 1K or 2K, polymers, polyamides, polyolefins, polystyrene, prepolymers and crosslinkers, polysulfones, 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 of the spray film in the wet state.
  • rheology modifiers which exert a strong thixotropic or pseudoplastic effect, such that the viscosity of the spray film or the spray film material during the 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, she can and drainage membranes, horticultural foils, 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 ° C, preferably between 10 and 40 ° C.
  • 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. Layer thicknesses between 100 and 300 ⁇ m are preferably provided in both applications. For the sealing of earthblown components higher demands are necessary. Layer thicknesses of 0.4-3 mm are required in this range, 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.
  • 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, for example in that the moisture-variable case is applied to the entire roof.
  • a smaller sd value 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 ) made 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 has proven to be suitable at a value of> 50%. Preferably> 100% and further> 200% were achieved.
  • the tear strength in this case should preferably be> 100 N / 5 cm.
  • 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, the drying time and the flow behavior of the material of the spray film play a role either alone or in combination.
  • the viscosity for the coating application is in the range of 5,000 to 25,000 mPa ⁇ s. It should preferably be 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, it being understood in principle that the present invention in horizontal, tilted at any angle and vertical applications can be readily implemented.
  • Runners which are also known as curtains or noses, can occur if the material is too thick and too low in viscosity, especially in applications on a vertical surface.
  • the run-off behavior depends on the viscosity of the material
  • the layer thickness depends on the surface tension of the substrate to which the material of the spray film is applied plays a role.
  • the viscosity and the layer thickness as well as the surface tension of the substrate should be such that, when applied to a vertical flat surface, a running width of less than 7 cm, preferably less than 5 cm and in particular ⁇ 3 cm results.
  • Plastic dispersion RA 576 H (based on acrylate / methacrylate) from Ercros, defoamer Tego Foamex 805 1% from Evonik, Printofix Red 0.5% from Clariant, thickener Borchi Gel 0621 0.5% from OMG Borchers. Viscosity: 1,750 mPa ⁇ s Layer thickness: 284 g / m 2 Sd value: 1.95 m Use eg: U-shaped between the rafters or as vapor-damping LDS
  • Plastic dispersion Mowilith LDM 7739 (based on acrylate) from Celanese, 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
  • Plastic dispersion Emuldur DS 2360 (based on polyurethane) from BASF, defoamer Tego Foamex 805 0.8% from Evonik, thickener Borchi Gel 0621 0.15% from OMG Borchers, leveling additive Borchi Gel 232 1.2% from OMG Borchers 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 or on the rafters in combination with U-vapor brake
  • 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
  • the differences between the recipes 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% of dimethyl ether as blowing agent and about 50% spray film. 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.
  • a U-shape results in the functional layer.
  • the spray film is applied so that ultimately results in a closed surface of the spray film and thus airtightness in the spray film. This not only affects the rafter sides and the outside of the formwork, but also, in particular, the transition between the formwork and the rafters.
  • the Sprtihfolie is applied starting from the formwork over a rafter height 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 it will be a diffusion-open further film strip and / or a more diffusion-open spray film (ie by spraying or brushing) at least partially applied.
  • 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 first be applied to the film, which is then introduced into the rafter compartment. 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.
  • Fig. 2 to 4 is now a part of a roof structure of the building 1 shown.
  • the roof construction also belongs to the building envelope 2, which is in the Roof area has a building inside shuttering 11 and a plurality of rafters 12.
  • 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 of any material that seals the rafter panels 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 foil strip 18 applied to the outside 15, wherein a strip of spray foil 10 is provided at the edge on both edges.
  • a strip of spray foil 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 an overlap with the film strip 18 takes place. 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 Spzühfolie 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.
  • a further spray film with corresponding properties in the present case so that it is open to diffusion, can also 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 shows a possible embodiment of a roof structure in a building envelope 2 according to the invention.
  • a roof structure in a building envelope 2 according to the invention.
  • 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 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 spray film is applied only partially, so not the entire surface.
  • the functional layer has a composite construction film 112 in addition to the spray film 10.
  • the term “Bauverbundfolie” includes films for protection against external factors, in particular underlayment, Unterdeck- and façade membranes, as well as tracks to protect against internal factors, in particular air and vapor barriers / brakes. If the term “composite construction film” is used below, this may in principle mean any of the aforementioned webs.
  • a spray film 10 with a composite construction film 112
  • Fig. 6 an installation situation is shown, which shows that the composite construction film 112 is prepared during installation by a detail to be connected in the region of the detail such that the composite construction film 112 rests flatly on the substrate 113.
  • the composite building films 112 is folded in the detail immediately adjacent area or provided with a convolution 114 and attached to the substrate 113 with nails 115 or not shown brackets.
  • the spray film 10 can then be applied in the detail area to be connected.
  • Fig. 7 an installation situation is shown, in which a Kehlsparren 116, rafters 117, Kehlschalung 118 and a composite construction film 112 are shown.
  • a Kehlsparren 116, rafters 117, Kehlschalung 118 and a composite construction film 112 are shown.
  • the composite construction film 112 meeting one another from both sides of the throat can easily be connected to one another by applied spray film 10.
  • Fig. 8 an installation situation with a throat bar 120 and a rafter 121 is shown.
  • the composite construction film 112 is cut out in the region of the fillet beam 120, namely around it, so that an opening 122 results. Subsequently, the area of the opening 122 and the adjacent region of the composite construction film 112 equipped with spray film 10, so that the closed functional layer 10 results.
  • 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 region and the immediately adjacent region of the composite construction film 112 is provided with a spray film 10, so that then an air- and watertight 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 so other rising components can 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.
  • 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 field of end-side shocks, but also on the longitudinal joints or edges of Bauverbundfolien 112 application can be found.
  • the aforementioned installation situations represent only selected applications. It is understood that 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 air and water tightness.
  • 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 fleece may have a basis weight 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 on the surrounding Adheres area of the composite film and ensures a dense functional layer 10.
  • FIGS. 19 and 20 a comparatively simple embodiment in which so-called nail or Tackerstellen, are driven into the nails 115, chambers or the like fasteners through the composite construction film 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.

Claims (13)

  1. Couche fonctionnelle d'une enveloppe de bâtiment (2), étant entendu que la couche fonctionnelle présente au moins un film composite de construction et, dans certaines zones, un film, (10) appliqué par enduction qui formé après l'application une pellicule étanche à l'air et/ou à l'eau, étant entendu que le film (10) est appliqué dans des zones dans lesquelles un film composite de construction n'est pas prévu et/ou le film composite de construction est découpé pour un raccord ou un composant de construction et/ou deux films composites de construction se chevauchent, de telle sorte qu'il se produit après l'application du film (10) un collage et un scellement, et étant entendu que la viscosité du matériau du film (10) est comprise dans un ordre de 5 000 à 25 000 mPa.s.
  2. Couche fonctionnelle selon la revendication 1, caractérisée en ce que le film (10) est réalisé en tant que pare-valeur
  3. Enveloppe de bâtiment ayant une couche fonctionnelle selon la revendication 1 ou 2.
  4. Enveloppe de bâtiment (2) selon la revendication 3, caractérisée en ce que l'enveloppe de bâtiment (2) présente un coffrage du côté intérieur du bâtiment (11) et une pluralité de chevrons (12), avec des espaces entre chevrons (14) prévus entre les chevrons (12) et le coffrage (11), étant entendu que la couche fonctionnelle est appliquée, au moins dans certaines zones, par enduction du film (10) sur le côté extérieur (15) du coffrage (11).
  5. Procédé de réalisation d'une couche fonctionnelle d'une enveloppe de bâtiment (2), dans lequel la couche fonctionnelle présente au moins un film composite de construction et, dans certaines zones, un film (10) appliqué par enduction et/ou par pulvérisation qui forme après l'application une pellicule étanche à l'air et/ou à l'eau, étant entendu que le film (10) est appliqué dans des zones dans lesquelles un film composite de construction n'est pas prévu et/ou le film composite de construction est découpé pour un raccord ou un composant de construction et/ou deux films composites de construction se chevauchent, de telle sorte qu'il se produit après l'application du film (10) un collage et un scellement, et étant entendu que la viscosité du matériau du film (10) pour l'application par enduction est comprise dans un ordre de 5 000 à 25 000 mPa.s.
  6. Procédé selon la revendication 5, dans lequel l'enveloppe de bâtiment (2) présente un coffrage du côté intérieur du bâtiment (11) et une pluralité de chevrons (12), avec des espaces entre chevrons (14) prévus entre les chevrons (12) et le coffrage (11), étant entendu que le film (10) est appliqué, au moins dans certaines zones, par enduction et/ou par pulvérisation sur le côté extérieur (15) du coffrage (11).
  7. Procédé selon là revendication 5, caractérisé en ce qu'au moins une bande de film (18) étanche à l'air et/ou à l'eau, en particulier réalisée en tant que pare-vapeur, s'étendant le long de l'espace entre chevrons (14), est appliquée sur le coffrage (11) et en ce que de préférence, les bords longitudinaux de la bande de film (18) et du film (10) se chevauchent.
  8. Procédé selon la revendication 5 ou 6, caractérisé en ce que le film (10) est appliqué sur au moins un côté, et en particulier sur les deux côtés de chevrons (16) des chevrons (12) d'un espace entre chevrons (14) au moins jusqu'à une hauteur partielle.
  9. Procédé selon l'une des revendications 5 à 8, caractérisé en ce que le film (10) est appliqué, à partir du coffrage (11), sur une hauteur de chevrons comprise entre 10 et 90 %, de préférence entre 20 et 80 %, et en particulier de plus de 30 % sur le côté du chevron (16) et/ou en ce que la valeur SD du film (10) et/ou de la bande de film à un taux d'humidité relative de 40 % s'élève à 1,5 m, de façon préférée à plus de 0,8 m, de façon encore plus préférée à plus de 1,3 m, et en particulier à plus de 1,9 m.
  10. Procédé selon l'une des revendications 5 à 9, caractérisé en ce qu'une bande de film supplémentaire ouverte à la diffusion et/ou un film ouvert à la diffusion supplémentaire (19) est appliqué par pulvérisation ou par enduction, au moins dans certaines zones, sur le côté supérieur des chevrons (17).
  11. Procédé selon l'une des revendications 5 à 10, caractérisé en ce que la valeur SD de la bande de film supplémentaire ou du film supplémentaire (19) est inférieure à 0,5 m, de préférence inférieure à 0,3 m, et en particulier inférieure à 0,09 m.
  12. Procédé selon l'une des revendications 5 à 11, caractérisé en ce que le film (10) et le film supplémentaire (19) où la bande de film supplémentaire se chevauchent, de préférence dans la zone des côtés des chevrons (16).
  13. Procédé selon l'une dès revendications 5 à 12, caractérisé en ce qu'un matériau d'isolation thermique (20) est installé dans l'espace entre chevrons (14) et/ou un coffrage supplémentaire (21) et/ou une couche d'isolation thermique supplémentaire et/ou une toile de sous-couverture ouverte à la diffusion (22) et/ou un film ouvert à la diffusion supplémentaire appliqué par pulvérisation ou par enduction et/ou une couche de séparation ouverte à la diffusion et/ou un contre-lattage (23) et/ou un lattage de support (24) et/ou une couverture extérieure dure est appliqué par-dessus les chevrons (12).
EP10712708.6A 2009-03-28 2010-03-25 Procédé de fabrication d'une couche fonctionnelle d'une enveloppe de bâtiment, enveloppe de bâtiment et couche fonctionnelle Active EP2411593B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PL10712708T PL2411593T3 (pl) 2009-03-28 2010-03-25 Sposób wytwarzania warstwy funkcyjnej przegrody zewnętrznej budynku oraz przegroda zewnętrzna budynku i warstwa funkcyjna
EP13001665.2A EP2612973B1 (fr) 2009-03-28 2010-03-25 Couche fonctionnelle d'une enveloppe de bâtiment et enveloppe de bâtiment avec une couche fonctionnelle

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
PCT/EP2010/001867 WO2010112169A1 (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 Child Applications (2)

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EP13001665.2A Division EP2612973B1 (fr) 2009-03-28 2010-03-25 Couche fonctionnelle d'une enveloppe de bâtiment et enveloppe de bâtiment avec une couche fonctionnelle
EP13001665.2A Division-Into 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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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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EP (2) EP2411593B1 (fr)
DK (1) DK2411593T3 (fr)
EA (1) EA022536B1 (fr)
HU (1) HUE027496T2 (fr)
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JPWO2011105540A1 (ja) * 2010-02-26 2013-06-20 三菱重工業株式会社 複合材の修理方法およびこれを用いた複合材
WO2013143696A1 (fr) * 2012-03-28 2013-10-03 Thüringisches Institut für Textil- und Kunststoff-Forschung e.V. Films de revêtement multifonctionnels pouvant être appliqués sous une forme liquide
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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EA201101314A1 (ru) 2012-04-30
PL2411593T3 (pl) 2015-11-30
EP2612973B1 (fr) 2016-10-05
EA022536B1 (ru) 2016-01-29
WO2010112169A1 (fr) 2010-10-07
US8763338B2 (en) 2014-07-01
EP2612973A1 (fr) 2013-07-10
US20130333315A1 (en) 2013-12-19
HUE027496T2 (en) 2016-10-28
EP2411593A1 (fr) 2012-02-01
DK2411593T3 (en) 2015-09-07
US20120055110A1 (en) 2012-03-08
US8733054B2 (en) 2014-05-27
PL2612973T3 (pl) 2017-05-31

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