EP0046944B2 - Insulation of inclined roofs - Google Patents
Insulation of inclined roofs Download PDFInfo
- Publication number
- EP0046944B2 EP0046944B2 EP81106510A EP81106510A EP0046944B2 EP 0046944 B2 EP0046944 B2 EP 0046944B2 EP 81106510 A EP81106510 A EP 81106510A EP 81106510 A EP81106510 A EP 81106510A EP 0046944 B2 EP0046944 B2 EP 0046944B2
- Authority
- EP
- European Patent Office
- Prior art keywords
- roof
- thickness
- insulation
- layer
- foam boards
- 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.)
- Expired
Links
- 238000009413 insulation Methods 0.000 title description 9
- 239000006260 foam Substances 0.000 claims abstract description 16
- 239000002657 fibrous material Substances 0.000 claims abstract description 7
- 239000004814 polyurethane Substances 0.000 claims description 4
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000005871 repellent Substances 0.000 claims description 3
- 239000011491 glass wool Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229920006328 Styrofoam Polymers 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000008261 styrofoam Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/16—Insulating devices or arrangements in so far as the roof covering is concerned, e.g. characterised by the material or composition of the roof insulating material or its integration in the roof structure
- E04D13/1606—Insulation of the roof covering characterised by its integration in the roof structure
- E04D13/1612—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
Definitions
- the invention relates to an insulated, sloping roof, consisting of roof skin, roof skin support and foam panels, with a thickness of 6 to 10 cm, which rest on roof racks.
- Foam sheets are also known which are laid as a continuous layer above the rafters (FR-A 22 76 434, O Styrofoam Information Sheet 1511, March 1975, Fig. 13, 14).
- the soundproofing of the hard foam panels is low, so that depending on the roof covering, street noises or rain drops that have already hit the ground can make them unpleasantly noticeable. If there is no airtight formwork on the inside (e.g. profile boards), there is considerable ventilation and thus heat loss through the gaps that then exist.
- very densely laid foam sheets easily cause cracking noises due to temperature fluctuations and movement of the roof structure. Also, with increasing insulation thicknesses, fastening the roof skin to the substructure becomes more difficult.
- the invention has for its object to find an insulation of a sloping roof, which in addition to perfect thermal insulation without harmful condensation, the sound transmission is greatly reduced and can be installed with little effort, an additional reflection of the heat radiation is desirable.
- the object was achieved in that there is a fiber material layer with a thickness of 2-4 cm directly below the foam panels and only between the roof supports and then a free space.
- Another advantage is that the layer of fiber material in the transition area, in particular in the case of rafters, can be neatly adapted.
- the fire hazard is significantly reduced by covering the foam panels.
- the hard foam sheets can be installed as a covering against rain and snow immediately after the roof truss has been erected.
- the foam sheet is connected at the top to at least one water-repellent, vapor-permeable film made of polyurethane with a thickness of 0.4-1.4 mm, which has parts protruding over the edge for the purpose of overlapping.
- the film below which is permeable to steam but not water permeable, protects the underlying insulation material against water and dust.
- the protruding parts of the film after being bonded to the adjacent bodies, prevent the rain from penetrating, especially before the actual roof skin is applied.
- the connection can be designed so that any extensions, for. B. can be recorded as a result of temperature.
- part of the sun's rays can be reflected by an additional reflecting surface of the film, which can be taken into account in the thickness of the insulation.
- FIG. 1 shows a section through a roof.
- foam sheets 2 with a thickness of 6 to 10 cm are arranged on a floating joint 3, which are provided at the top with a reflective, water-repellent film 4 made of polyurethane of 0.4-1.4 mm, which means by means of the projecting parts 5 Overlap can be glued together.
- a layer of fiber material 6 of a corresponding thickness between 2 and 4 cm is attached directly to the foam panels without joints on the contact surfaces 7 on the rafters 1.
- the roof skin 8 made of bricks is supported by a counter battens 9, while an inner shell 10 made of rounded wood is provided for the interior.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Building Environments (AREA)
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
Abstract
Description
Die Erfindung betrifft ein gedämmtes, geneigtes Dach, bestehend aus Dachhaut, Dachhautauflager und Schaumstoffplatten, mit einer Dicke von 6 bis 10 cm, die auf Dachträgern aufliegen.The invention relates to an insulated, sloping roof, consisting of roof skin, roof skin support and foam panels, with a thickness of 6 to 10 cm, which rest on roof racks.
Die Dämmung geneigter Dächer hat infolge der Energieverknappung und der gestiegenen Ansprüche hinsichtlich Schallisolierung heute eine große Bedeutung.The insulation of sloping roofs is of great importance today due to the energy shortage and the increased demands regarding sound insulation.
Bekannt sind Glasfaserbahnen auf Alufolien, die mit ihren überstehenden Rändern von unten an den Sparren befestigt werden.Glass fiber sheets on aluminum foils are known which are attached to the rafters with their overhanging edges from below.
Bei dieser Konstruktion ist eine hohe Wärmedämmung zwischen den Sparren durch die dort angeordnete Glaswolle vorhanden. Die Sparren selber sind im Verhältnis dazu echte Wärmebrücken, so daß der Wärmedämmgrad dadurch wesentlich herabgesetzt wird. Auch ist die saubere Verarbeitung schwierig, insbesondere gilt das für den Anschluß der Glaswolle an die Sparren, der kaum nach dem Einbau kontrollierbar ist.In this construction there is a high level of thermal insulation between the rafters due to the glass wool arranged there. In relation to this, the rafters themselves are real thermal bridges, so that the degree of thermal insulation is significantly reduced. Clean processing is also difficult; this applies in particular to the connection of the glass wool to the rafters, which can hardly be checked after installation.
Weiter sind Schaumstoffplatten bekannt, die als durchgehende Lage oberhalb der Sparren verlegt werden (FR-A 22 76 434, OStyropor-Infor- mationsblatt 1511, März 1975, Abb. 13, 14). Die Schalldämmung der harten Schaumstoffplatten ist gering, so daß sich je nach Dachdeckung Straßengeräusche oder auch schon auftreffende Regentropfen unangenehm bemerkbar machen. Weiter treten, wenn keine luftdichte innenseitige Schalung (z. B. Profilbretter) vorhanden ist, erhebliche Lüftung und damit Wärmeverluste durch die dann vorhandenen Spalte ein. Andererseits führen sehr dicht verlegte Schaumplatten durch Temperaturschwankungen und Bewegung der Dachkonstruktion leicht zu Knackgeräuschen. Auch wird bei größer werdenden Dämmstoffdicken die Befestigung der Dachhaut mit der Unterkonstruktion schwieriger.Foam sheets are also known which are laid as a continuous layer above the rafters (FR-A 22 76 434, O Styrofoam Information Sheet 1511, March 1975, Fig. 13, 14). The soundproofing of the hard foam panels is low, so that depending on the roof covering, street noises or rain drops that have already hit the ground can make them unpleasantly noticeable. If there is no airtight formwork on the inside (e.g. profile boards), there is considerable ventilation and thus heat loss through the gaps that then exist. On the other hand, very densely laid foam sheets easily cause cracking noises due to temperature fluctuations and movement of the roof structure. Also, with increasing insulation thicknesses, fastening the roof skin to the substructure becomes more difficult.
Der Erfindung liegt die Aufgabe zugrunde, eine Dämmung eines geneigten Daches zu finden, die neben einer einwandfreien Wärmedämmung ohne schädliche Kondensation auch die Schallübertragung stark reduziert und mit geringem Arbeitsaufwand zu verlegen ist, wobei eine zusätzliche Reflektierung der Wärmestrahlung wünschenswert ist.The invention has for its object to find an insulation of a sloping roof, which in addition to perfect thermal insulation without harmful condensation, the sound transmission is greatly reduced and can be installed with little effort, an additional reflection of the heat radiation is desirable.
Die Aufgabe wurde erfindungsgemäß dadurch gelöst, daß sich direkt unterhalb der Schaumstoffplatten und nur zwischen den Dachträgem eine Fasermaterialschicht mit einer Dicke von 2-4 cm und daran anschließend ein Freiraum befindet.The object was achieved in that there is a fiber material layer with a thickness of 2-4 cm directly below the foam panels and only between the roof supports and then a free space.
Für den Fachmann ist es überraschend, daß bei Steildächern durch Anordnung einer Schicht aus Fasermaterial vor der Schaumstoffplatte der Schall je nach. Stärke der Schicht um 10-20 dB gemindert werden kann, ohne daß die von der Fachwelt befürchtete Durchfeuchtung eintritt, wenn z. B. bei PUR-Platten (n = 80) der Diffusionskoeffizient in Richtung der Dachhaut zunimmt. Ein weiterer Vorteil ist, daß die Schicht aus Fasermaterial im Übergangsbereich, insbesondere bei Sparren, sauber angepaßt werden kann. Darüber hinaus wird durch die Abdeckung der Schaumstoffplatten die Brandgefahr wesentlich herabgesetzt. Weiter können die harten Schaumstoffplatten als Noteindeckung gegen Regen und Schnee sofort nach der Errichtung des Dachstuhles verlegt werden.It is surprising for a person skilled in the art that, in the case of pitched roofs, the sound depends on the arrangement of a layer of fiber material in front of the foam sheet. Thickness of the layer can be reduced by 10-20 dB without the moisture penetration feared by the experts occurring if, for. B. with PUR panels (n = 80) the diffusion coefficient increases in the direction of the roof skin. Another advantage is that the layer of fiber material in the transition area, in particular in the case of rafters, can be neatly adapted. In addition, the fire hazard is significantly reduced by covering the foam panels. Furthermore, the hard foam sheets can be installed as a covering against rain and snow immediately after the roof truss has been erected.
In einer besonderen Ausführungsform ist die Schaumstoffplatte oben mit mindestens einer wasserabweisenden, dampfdurchlässigen Folie aus Polyurethan mit einer Dicke von 0,4-1,4 mm verbunden, die über den Rand vorstehende Teile zwecks Überlappung besitzt.In a special embodiment, the foam sheet is connected at the top to at least one water-repellent, vapor-permeable film made of polyurethane with a thickness of 0.4-1.4 mm, which has parts protruding over the edge for the purpose of overlapping.
Durch die Folie, die zwar dampfdurchlässig, aber nicht wasserdurchlässig ist, wird das darunterliegende Dämmmaterial gegen Wasser und Staub geschützt. Gleichzeitig hindern die überstehenden Teile der Folie nach ihrem Verbund mit den danebenliegenden Körpern den Regen, insbesondere vor der Aufbringung der eigentlichen Dachhaut, am Eindringen. Gleichzeitig kann die Verbindung so gestaltet werden, daß eventuelle Ausdehnungen, z. B. infolge von Temperatur hierdurch aufgenommen werden können.The film below, which is permeable to steam but not water permeable, protects the underlying insulation material against water and dust. At the same time, the protruding parts of the film, after being bonded to the adjacent bodies, prevent the rain from penetrating, especially before the actual roof skin is applied. At the same time, the connection can be designed so that any extensions, for. B. can be recorded as a result of temperature.
Weiter kann durch eine zusätzlich reflektierende Oberfläche der Folie ein Teil der Sonnenstrahlen zurückgeworfen werden, was bei der Dicke der Isolation berücksichtigt werden kann.Furthermore, part of the sun's rays can be reflected by an additional reflecting surface of the film, which can be taken into account in the thickness of the insulation.
Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung dargestellt und wird im folgenden näher beschrieben. Es zeigt Fig. 1 Schnitt durch ein Dach. Auf den Sparren 1 sind Schaumstoffplatten 2 mit einer Dicke von 6 bis 10 cm auf schwebendem Stoß 3 angeordnet, welche oben mit einer reflektierenden, wasserabweisenden Folie 4 aus Polyurethan von 0,4-1,4 mm versehen sind, die durch vorstehende Teile 5 mittels Überlappung untereinander verklebt werden. Zwischen den Sparren 1 ist direkt an den Schaumstoffplatten eine Schicht aus Fasermaterial 6 in entsprechender Dicke zwischen 2 und 4 cm ohne Fugen an den Anlageflächen 7 am Sparren 1 befestigt. Die Dachhaut 8 aus Ziegeln wird durch eine Konterlattung 9 getragen, während zum Innenraum eine Innenschale 10 aus gespundetem Holz vorgesehen ist.An embodiment of the invention is shown in the drawing and will be described in more detail below. 1 shows a section through a roof. On the rafters 1,
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT81106510T ATE9922T1 (en) | 1980-09-03 | 1981-08-21 | INSULATION OF SLOPING ROOFS. |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19803033090 DE3033090A1 (en) | 1980-09-03 | 1980-09-03 | INSULATION INCLINED ROOF |
| DE3033090 | 1980-09-03 |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| EP0046944A2 EP0046944A2 (en) | 1982-03-10 |
| EP0046944A3 EP0046944A3 (en) | 1982-05-19 |
| EP0046944B1 EP0046944B1 (en) | 1984-10-17 |
| EP0046944B2 true EP0046944B2 (en) | 1989-09-20 |
Family
ID=6110994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP81106510A Expired EP0046944B2 (en) | 1980-09-03 | 1981-08-21 | Insulation of inclined roofs |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0046944B2 (en) |
| AT (1) | ATE9922T1 (en) |
| DE (2) | DE3033090A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3343535A1 (en) * | 1983-12-01 | 1985-08-14 | Bayer Ag, 5090 Leverkusen | THERMAL INSULATED, VENTILATED ROOF |
| CH670673A5 (en) * | 1985-01-30 | 1989-06-30 | Sarna Kunststoff Ag | |
| FR2589904B1 (en) * | 1985-11-13 | 1988-01-29 | Smac Acieroid | THERMO-ACOUSTIC INSULATING WALL. |
| DE8900989U1 (en) * | 1989-01-28 | 1989-03-09 | Correcta GmbH, 3590 Bad Wildungen | Roof for residential and industrial buildings |
| DE20009600U1 (en) * | 2000-05-30 | 2001-10-11 | Karl Bachl Gmbh & Co Kg | Pitched roof insulation |
| EP1316654A1 (en) | 2001-11-29 | 2003-06-04 | Monarflex A/S | A distance element for use in a roof structure and a method of positioning and fixating a plurality of lathes in a roof structure |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1782925U (en) * | 1957-06-29 | 1959-02-12 | Fritz Schuettelkorb | BUILDING PLATE. |
| DE1847141U (en) * | 1961-10-27 | 1962-02-22 | Theodor Greis | JOINTLESS ROLLER TRACK FOR BUILDING COVERINGS. |
| DE1859788U (en) * | 1962-07-12 | 1962-10-11 | Kuntex Kunststoff Textil Verka | MULTI-LAYER COATING. |
| DE2124597A1 (en) * | 1971-05-18 | 1972-11-30 | Heuer, Rudolf F., 6383 Köppern | Thermal radiation protection for components |
| GB1429657A (en) * | 1973-06-25 | 1976-03-24 | Monsanto Ltd | Insulation materials |
| FR2276434A1 (en) * | 1974-06-28 | 1976-01-23 | Siplast Soc Nouvelle | Heat insulation for standard roof construction - two layers of insulating strips spanning between rafters under tiles |
| DE2451143A1 (en) * | 1974-10-28 | 1976-05-06 | Roland Bender | Layered insulating panels for indoor swimming pool buildings etc. - incorporates hard foamed plastic layer coated with aluminium foil |
| DE2617054A1 (en) * | 1976-04-17 | 1977-11-03 | Ruberoidwerke Ag | Roll of thermal insulation for roof sealing - with polyester fibre mat with bituminous coatings on both sides |
| DE7823686U1 (en) * | 1978-08-08 | 1978-11-16 | Bartolith-Werke Gmbh, 8058 Erding | INSULATION PLATE |
| DE2839767A1 (en) * | 1978-09-13 | 1980-03-20 | Ruetgerswerke Ag | Sheathed sloping roof heat insulated substructure - comprises overlapping coated insulating strips with support beams and square timbers |
-
1980
- 1980-09-03 DE DE19803033090 patent/DE3033090A1/en not_active Withdrawn
-
1981
- 1981-08-21 EP EP81106510A patent/EP0046944B2/en not_active Expired
- 1981-08-21 DE DE8181106510T patent/DE3166716D1/en not_active Expired
- 1981-08-21 AT AT81106510T patent/ATE9922T1/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| ATE9922T1 (en) | 1984-11-15 |
| EP0046944A2 (en) | 1982-03-10 |
| DE3033090A1 (en) | 1982-04-08 |
| EP0046944B1 (en) | 1984-10-17 |
| EP0046944A3 (en) | 1982-05-19 |
| DE3166716D1 (en) | 1984-11-22 |
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