EP0056640A2 - Heat insulated panels for mounting between rafters - Google Patents

Heat insulated panels for mounting between rafters Download PDF

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Publication number
EP0056640A2
EP0056640A2 EP82100280A EP82100280A EP0056640A2 EP 0056640 A2 EP0056640 A2 EP 0056640A2 EP 82100280 A EP82100280 A EP 82100280A EP 82100280 A EP82100280 A EP 82100280A EP 0056640 A2 EP0056640 A2 EP 0056640A2
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EP
European Patent Office
Prior art keywords
rafters
thermal insulation
plate
foam
tongue
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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.)
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EP82100280A
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German (de)
French (fr)
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EP0056640A3 (en
Inventor
Benno Hoffmann
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BASF SE
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BASF SE
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Publication date
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Publication of EP0056640A2 publication Critical patent/EP0056640A2/en
Publication of EP0056640A3 publication Critical patent/EP0056640A3/en
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/10—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products
    • E04C2/20—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products of plastics
    • E04C2/205—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products of plastics of foamed plastics, or of plastics and foamed plastics, optionally reinforced
    • 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
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • E04B1/78—Heat insulating elements
    • E04B1/80—Heat insulating elements slab-shaped
    • 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
    • E04D13/1631—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 the means deriving from the nature or the shape of the insulating material itself

Definitions

  • the invention relates to thermal insulation boards made of foam plastic, which are provided on both sides with incisions and have tongue and groove profiles all around on the end faces.
  • Tough foam plastics e.g. Based on polystyrene particle foam
  • polystyrene particle foam are used on a large scale for the insulation of buildings and parts of buildings, especially roofs, against the influence of cold and heat. They are inherently relatively stiff.
  • the installation of boards made of tough foam plastics as thermal insulation between rafters is much more difficult and time-consuming than with soft fiber insulation materials. Since the rafter spacing usually changes within a field and also from field to field due to inaccurate laying and warping of the rafters, each individual plate must be cut individually. Due to shrinkage or thermal contraction of the rigid foam plastic sheets or due to changes in the shape of the supporting structure, cold bridges or crack damage to roof sealing sheets can form.
  • DE-U1-79 06 823 describes a plate-shaped molded part made of a tough, hard foam plastic, in which the disadvantages mentioned are largely eliminated.
  • the plate has - preferably on both sides - a plurality of cuts which run perpendicular to the plane of the plate and parallel to an end face, the distances between the cuts being smaller than the plate thickness and the depth of the cuts being greater than half the plate thickness.
  • the plates are deformable perpendicular to the cutting plane by means of considerably lower forces and the fitting into predetermined clear openings is made considerably easier. Since not only the pressure but also the tensile stiffness perpendicular to the cutting plane is reduced, very low holding forces are sufficient to prevent the plates from contracting perpendicular to the cutting plane due to shrinkage or thermal contraction. In practice, this has the advantages that cold bridges due to open butt joints and stress peaks in the top layers are avoided.
  • the spacing of the rafters fluctuate within wide limits between approximately 55 and 75 cm.
  • several panel widths must be available.
  • DE-A-25 37 604 describes foam insulation boards for installation between rafters, which are provided with tongue and groove profiles on the two end faces running perpendicular to the rafters, but have a step fold in the longitudinal direction. Combining these panels with those known from DE-Ul-79 06 823 would result in insulating panels which are cut in on both sides but only have tongue and groove profiles on two opposite side surfaces.
  • the invention relates to rectangular thermal insulation boards for installation between rafters, consisting of tough-hard foam plastic of a density of 10 to 100 g / 1 with a thickness of 2 to 20 cm, which are provided on both sides with a plurality of cuts, which are substantially vertical run to the main plate level and parallel to an end face, the distances between the cuts being smaller than the plate thickness and the depth of the cuts being greater than half the plate thickness.
  • these plates each have tongue and groove profiles on the four end faces opposite one another.
  • Tough foam plastics are, according to H.
  • Preferred foams are those based on polystyrene, in particular polystyrene particle foam.
  • extruded polystyrene foam, polyvinyl chloride foam and tough hard polyurethane foam are also suitable, in particular also elastic melamine / formaldehyde foam according to DE-A-29 15 457, and elastic urea / formaldehyde foam.
  • the density of the foams is between 5 and 100 g / l, preferably between 10 and 50 g / l.
  • the thickness of the foam sheets can be between 2 and 20 cm, preferably between 5 and 15 and in particular between 8 and 12 cm.
  • the width is preferably 40 to 200, in total particularly 50 to 80 cm, their length preferably 40 to 1000 and in particular 50 to 125 cm.
  • the incisions run essentially perpendicular to the main plane of the plate and parallel to an end face. Slight deviations, e.g. Up to 10 ° from these directions can be tolerated.
  • the distances between the cuts are smaller than the plate thickness and the depth of the cuts is greater than half the plate thickness.
  • the width of the cut slots is determined by the type of tool. It can generally be between 0 and 3 mm, preferably between 0.2 and 2 mm; If the slots are too wide, the insulating effect of the insulation board is impaired and cold bridges can occur.
  • the tools are e.g. Saws, cutting rings, rotating knives, glow wires or oscillating wires in question.
  • the incisions are made on both sides of the foam sheet, although they must of course be offset from one another.
  • the depth of cut is preferably the same. Parallel incisions are preferred.
  • the tongue and groove profiles can be attached to the foam panels before or after the cuts.
  • the profiles can be milled or cut out of the foam using known methods.
  • the shape and size of the profiles can in principle be designed as desired, whereby of course tongue and groove must be coordinated.
  • Tongue and groove can have a rectangular or tapered cross-section for Facilitating the assembly, however, they are preferably somewhat rounded.
  • the width of the groove is preferably about half the plate thickness, its depth should preferably be at least 3 cm. It is advisable to choose the overall dimensions of the plate, including the spring profiles, so that the foam blocks from which they are normally cut are used optimally so that waste is reduced to a minimum.
  • the plate-shaped moldings according to the invention can be laminated like conventional insulation materials on one or both surfaces parallel to the main plane of the plate.
  • Laminating materials include tensile, but slightly flexible materials, e.g. Non-wovens, fabrics, made of textile or glass fibers, metal foils or plastic foils or bitumen sealing membranes in question.
  • the molded parts With one-sided lamination, the molded parts can be rolled up as webs. Depending on the material used, the lamination serves as tension reinforcement and / or as a vapor barrier and / or as a seal against drafts or water.
  • double-sided lamination double-sided reinforcement is obtained with the same additional functions as with single-sided lamination.
  • one proceeds in such a way that two or possibly more plates are joined together at their end faces running parallel to the rafters by tongue and groove connection, from this plate assembly that over the rafter space plus an addition of 0.5 to 5, preferably 1 to Cut off the 2 cm protruding panel part, compress the cut panel assembly in the transverse direction to the rafters by the addition and insert it between the rafters; and in a next laying step joins the cut plate part with a further plate or a plate part in the same way, cuts it and places it between the rafters.
  • the procedure is such that the plate part is cut off from the plate over the rafter gap plus an addition of 0.5 to 5, preferably 1 to 2 cm, the remaining plate part is compressed in the transverse direction to the rafters by the addition and so between which brings rafters; and in a next laying step joins the cut plate part with a further plate or a plate part in the same way, cuts it and places it between the rafters.
  • the individual plates or plate assemblies introduced between the rafters are then connected to one another by joining their tongue and groove profiles running transversely to the rafters.
  • the protruding plate parts can be cut off with knives, saws or filaments, preferably with jigsaws.
  • thermal insulation board With the described laying process there is practically no loss of material due to waste pieces, since the cut-off board parts can be used to a very small amount.
  • Another advantage of the thermal insulation board according to the invention is that the board manufacturer can restrict himself to a board width. As a result, production can be made more rational. With an appropriate choice of panel dimensions, optimal use of the foam blocks is also guaranteed. The packaging and transport of the plates are also simplified. Warehousing is greatly reduced and simplified for retailers.
  • thermal insulation system there are advantages in planning and purchasing for the tradesman or handyman in that he can use the panel width offered regardless of the rafter spacing. There is also no need to pre-measure the rafter distances for a detailed determination of requirements.
  • thermal insulation board according to the invention A particularly preferred embodiment of the thermal insulation board according to the invention and two laying principles are shown schematically in the drawings.
  • Figure 1 shows the side view of two thermal insulation boards of thickness D with a semicircular groove N and tongue F, and the incisions E. L
  • Figure 2 shows the 'first installation case, in which the board width B (62.5 cm, including spring) is smaller than the distance between the two rafters S (75 cm);
  • Figure 3 shows the second installation case, in which the board width B is larger than the rafter spacing (55 cm).
  • the plates have the same length L (62.5 cm, including spring) and thickness (10 cm).
  • the cut panel parts x, y and z are cut off along the dividing line T and are then used again in the next laying process.
  • the addition (1 cm) described above is not taken into account in the drawing.
  • the dimensions in brackets refer to a practical test.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Wood Science & Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Electromagnetism (AREA)
  • Building Environments (AREA)
  • Panels For Use In Building Construction (AREA)
  • Laminated Bodies (AREA)
  • Macromonomer-Based Addition Polymer (AREA)

Abstract

Rechteckige Wärmedämmplatten aus zähhartem Schaumkunststoff, insbesondere aus Polystyrol-Partikelschaum. Die Dämmplatten sind auf beiden Seiten mit einer Vielzahl von Einschnitten versehen, die senkrecht zur Plattenhauptebene und parallel zu einer Stirnfläche verlaufen. Sie weisen an den vier Stirnflächen jeweils einander gegenüberliegend Nut- und Federprofile auf. Die Dämmplatten können zum thermischen Isolieren von Gebäudeteilen, insbesondere von Steildächern, verwendet werden.Rectangular thermal insulation boards made of tough, hard foam plastic, especially polystyrene particle foam. The insulation boards are provided on both sides with a large number of cuts that run perpendicular to the main board level and parallel to an end face. They each have tongue and groove profiles opposite each other on the four end faces. The insulation boards can be used for the thermal insulation of parts of buildings, especially steep roofs.

Description

Die Erfindung betrifft Wärmedämmplatten aus Schaumkunststoff, die beidseitig mit Einschnitten versehen sind und an den Stirnflächen umlaufend Nut- und Feder-Profile aufweisen.The invention relates to thermal insulation boards made of foam plastic, which are provided on both sides with incisions and have tongue and groove profiles all around on the end faces.

Zähharte Schaumkunststoffe, z.B. auf Basis von Polystyrol--Partikelschaum, werden in großem Maßstab zur Isolierung von Gebäuden und Gebäudeteilen, vor allem von Dächern, gegen den Einfluß von Kälte und Wärme eingesetzt. Sie besitzen von Natur aus eine verhältnismäßig hohe Steifigkeit. Als Folge dieser hohen mechanischen Steifigkeit ist beispielsweise der Einbau von Platten aus zähharten Schaumkunststoffen als Wärmedämmung zwischen Dachsparren viel schwieriger und zeitraubender als bei weichen Faserdämmstoffen. Da sich der Sparrenabstand innerhalb eines Feldes und auch von Feld zu Feld durch ungenaue Verlegung und durch Verziehen der Sparren meist ändert, muß jede einzelne Platte individuell zurechtgeschnitten werden. Durch Schwindung oder thermische Kontraktion der steifen Schaumkunststoff-Platten oder durch Formänderungen der Tragkonstruktion können sich Kältebrücken oder Rißschäden an Dachdichtungsbahnen bilden.Tough foam plastics, e.g. Based on polystyrene particle foam, are used on a large scale for the insulation of buildings and parts of buildings, especially roofs, against the influence of cold and heat. They are inherently relatively stiff. As a result of this high mechanical rigidity, for example, the installation of boards made of tough foam plastics as thermal insulation between rafters is much more difficult and time-consuming than with soft fiber insulation materials. Since the rafter spacing usually changes within a field and also from field to field due to inaccurate laying and warping of the rafters, each individual plate must be cut individually. Due to shrinkage or thermal contraction of the rigid foam plastic sheets or due to changes in the shape of the supporting structure, cold bridges or crack damage to roof sealing sheets can form.

In der DE-U1-79 06 823 ist ein plattenförmiges Formteil aus einem zähharten Schaumkunststoff beschrieben, bei dem die genannten Nachteile weitgehend behoben sind. Die Platte weist - vorzugsweise beidseitig - eine Vielzahl von Einschnitten auf, die senkrecht zur Plattenebene und parallel zu einer Stirnfläche verlaufen, wobei die Abstände zwischen den Einschnitten kleiner sind als die Plattendicke, und die Tiefe der Einschnitte größer ist als die halbe Plattendicke.DE-U1-79 06 823 describes a plate-shaped molded part made of a tough, hard foam plastic, in which the disadvantages mentioned are largely eliminated. The plate has - preferably on both sides - a plurality of cuts which run perpendicular to the plane of the plate and parallel to an end face, the distances between the cuts being smaller than the plate thickness and the depth of the cuts being greater than half the plate thickness.

9 Durch diese Maßnahme' werden die Platten senkrecht zur Schnittebene durch wesentlich geringere Kräfte verformbar und das Einpassen in vorgegebene lichte Öffnungen wird wesentlich erleichtert. Da nicht nur die Druck- sondern auch die Zugsteifigkeit senkrecht zur Schnittebene verringert ist, genügen bereits .sehr geringe Haltekräfte, um ein Zusammenziehen der Platten senkrecht zur Schnittebene durch Schwindung oder thermische Kontraktion zu vermeiden. Daraus ergeben sich für die Praxis die Vorteile, daß Kältebrücken durch geöffnete Stoßfugen sowie Spannungspitzen in Deck- - schichten vermieden werden.9 With this measure, the plates are deformable perpendicular to the cutting plane by means of considerably lower forces and the fitting into predetermined clear openings is made considerably easier. Since not only the pressure but also the tensile stiffness perpendicular to the cutting plane is reduced, very low holding forces are sufficient to prevent the plates from contracting perpendicular to the cutting plane due to shrinkage or thermal contraction. In practice, this has the advantages that cold bridges due to open butt joints and stress peaks in the top layers are avoided.

Bei-Steildächern schwanken die Abstände der Dachsparren in weiten Grenzen zwischen etwa 55 und 75 cm. Beim Verlegen der beschriebenen Wärmeisolierplatten zur Dachisolierung müssen also mehrere Plattenbreiten verfügbar sein.In the case of pitched roofs, the spacing of the rafters fluctuate within wide limits between approximately 55 and 75 cm. When laying the described thermal insulation panels for roof insulation, several panel widths must be available.

Da man jedoch nicht unendlich viele Plattenbreiten bereitstellen kann, müssen in der.Verlegepraxis in den meisten Fällen die Platten dem tatsächlichen Sparrenabstand entsprechend zurechtgeschnitten werden. Dies führt beim Verleger zu Materialverlust und macht eine Beseitigung der Abfallstücke notwendig. Der Plattenhersteller ist gezwungen, mehrere Plattentypen mit verschiedenen Breiten zu produzieren, für den Händler ergibt sich eine aufwendige Lagerhaltung. Beides schlägt bei den Kosten zu Buche. Der Erfindung lag also die Aufgabe zugrunde, eine Wärmedämmplatte zum Einbau zwischen Dachsparren zu entwickeln, die unabhängig von dem Abstand der Dachsparren ohne wesentlichen Materialverlust verlegt werden kann.However, since it is not possible to provide an infinite number of panel widths, in most cases, the panels must be cut to the actual rafter spacing in installation practice. This leads to material loss for the installer and makes it necessary to remove the pieces of waste. The plate manufacturer is forced to produce several plate types with different widths, which means that the dealer has to carry out extensive warehousing. Both have an impact on costs. The invention was therefore based on the object of developing a thermal insulation panel for installation between rafters, which can be installed regardless of the spacing of the rafters without significant loss of material.

Diese Aufgabe wird gelöst, wenn man an der bekannten, mit Einschnitten versehenen Platte die Stirnflächen mit Nut-und Feder-Profilen versieht.This object is achieved if the end faces are provided with tongue and groove profiles on the known plate provided with incisions.

In der DE-A-25 37 604 sind Schaumstoff-Dämmplatten zum Einbau zwischen Dachsparren beschrieben, die zwar an den beiden zum Sparren senkrecht verlaufenden Stirnflächen mit Nut- und Feder-Profilen versehen sind, in Längsrichtung jedoch einen Stufenfalz aufweisen. Bei der Kombination dieser Platten mit den aus der DE-Ul-79 06 823 bekannten erhielte man Dämmplatten, die auf beiden Seiten eingeschnitten sind, aber nur an zwei gegenüberliegenden Seitenflächen Nut- und Federprofile aufweisen.DE-A-25 37 604 describes foam insulation boards for installation between rafters, which are provided with tongue and groove profiles on the two end faces running perpendicular to the rafters, but have a step fold in the longitudinal direction. Combining these panels with those known from DE-Ul-79 06 823 would result in insulating panels which are cut in on both sides but only have tongue and groove profiles on two opposite side surfaces.

Aus der DE-A-27 51 112 sind Schaumstoff-Dämmplatten bekannt, die an allen vier Stirnflächen einander gegenüberliegende Nut- und Feder-Profile aufweisen. Diese Platten werden zu einer durchgehenden Isolierschicht zusammengestellt und von oben oder unten auf Dachsparren aufgenagelt. Da diese Platten also nicht zum Einbau zwischen Dachsparren bestimmt sind, kann die Lehre dieser Druckschrift nichts zur Lösung der unserer Erfindung zugrundeliegenden Aufgabe beitragen.From DE-A-27 51 112 foam insulation boards are known which have mutually opposing tongue and groove profiles on all four end faces. These panels are put together to form a continuous insulation layer and nailed onto rafters from above or below. Since these plates are not intended to be installed between rafters, the teaching of this document cannot contribute to solving the problem on which our invention is based.

Gegenstand der Erfindung sind rechteckige Wärmedämmplatten zum Einbau zwischen Dachsparren, bestehend aus zähhartem Schaumkunststoff einer Dichte von.10 bis 100 g/1 mit einer Dicke von 2 bis 20 cm, welche auf beiden Seiten mit einer Vielzahl von Einschnitten versehen sind, die im wesentlichen senkrecht zur Plattenhauptebene und parallel zu einer Stirnfläche verlaufen, wobei die Abstände zwischen den Einschnitten kleiner sind als die Plattendicke, und die Tiefe der Einschnitte größer ist als die halbe Plattendicke. Diese Platten weisen erfindungsgemäß an den vier Stirnflächen jeweils einander gegenüberliegend Nut- und Feder- profile auf. Zähharte Schaumkunststoffe sind nach H. Götze, "Schaumkunststoffe", Straßenbau, Chemie und Technik Verlagsgesellschaft, Heidelberg, Seite 24, Schaumkörper, die mit zunehmender Druckbelastung eine stetig fortschreitende, teilweise reversible Verformung aufweisen, ohne daß ein ausgeprägter Bruchzustand erreicht wird, wie es z.B. bei sprödharten Schaumkunststoffen der Fall ist, die bei steigender Druckbelastung ohne nennenswerte elastische Verformung durch plötzlichen Zusammenbruch des Gefüges versagen.The invention relates to rectangular thermal insulation boards for installation between rafters, consisting of tough-hard foam plastic of a density of 10 to 100 g / 1 with a thickness of 2 to 20 cm, which are provided on both sides with a plurality of cuts, which are substantially vertical run to the main plate level and parallel to an end face, the distances between the cuts being smaller than the plate thickness and the depth of the cuts being greater than half the plate thickness. According to the invention, these plates each have tongue and groove profiles on the four end faces opposite one another. Tough foam plastics are, according to H. Götze, "Foam Plastics", Road Construction, Chemistry and Technology Publishing Company, Heidelberg, page 24, foam bodies which, with increasing pressure, have a progressively progressive, partially reversible deformation, without a pronounced fracture state being achieved, e.g. is the case with brittle hard foam plastics, which fail with increasing pressure load without significant elastic deformation due to a sudden breakdown of the structure.

Bevorzugte Schaumstoffe sind solche auf Basis von Polystyrol, insbesondere Polystyrol-Partikelschaum. Daneben sind auch extrudierter Polystyrolschaum, Polyvinylchloridschaum und zähhart eingestellter Polyurethanschaum geeignet, insbesondere auch elastischer Melamin/Formaldehyd--Schaum nach der DE-A-29 15 457, sowie elastischer Harnstoff/Formaldehyd-Schaum.Preferred foams are those based on polystyrene, in particular polystyrene particle foam. In addition, extruded polystyrene foam, polyvinyl chloride foam and tough hard polyurethane foam are also suitable, in particular also elastic melamine / formaldehyde foam according to DE-A-29 15 457, and elastic urea / formaldehyde foam.

Die Dichte der Schaumstoffe liegt zwischen 5 und 100 g/l, vorzugsweise zwischen 10 und 50 g/l. Die Dicke der Schaumstoffplatten kann zwischen 2 und 20 cm, vorzugsweise zwischen 5 und 15 und insbesondere zwischen 8 und 12 cm liegen. Thre Breite beträgt vorzugsweise 40 bis 200, ins- besondere 50 bis 80 cm, ihre Länge vorzugsweise 40 bis 1000 und insbesondere 50 bis 125 cm.The density of the foams is between 5 and 100 g / l, preferably between 10 and 50 g / l. The thickness of the foam sheets can be between 2 and 20 cm, preferably between 5 and 15 and in particular between 8 and 12 cm. The width is preferably 40 to 200, in total particularly 50 to 80 cm, their length preferably 40 to 1000 and in particular 50 to 125 cm.

Die Einschnitte verlaufen im wesentlichen senkrecht zur Plattenhauptebene und parallel zu einer Stirnfläche. Geringe Abweichungen, z.B. um bis zu 10° von diesen Richtungen sind to lerierbar.The incisions run essentially perpendicular to the main plane of the plate and parallel to an end face. Slight deviations, e.g. Up to 10 ° from these directions can be tolerated.

Die Abstände zwischen den Einschnitten sind kleiner als die Plattendicke, und die Tiefe der Einschnitte ist größer als die halbe Plattendicke. Die Breite der eingeschnittenen Schlitze wird von der Art des Werkzeugs bestimmt. Sie kann im allgemeinen zwischen 0 und 3 mm, vorzugsweise zwischen 0,2 und 2 mm, liegen; bei zu breiten Schlitzen wird die Isolierwirkung der Dämmplatte beeinträchtigt und es können Kältebrücken entstehen.The distances between the cuts are smaller than the plate thickness and the depth of the cuts is greater than half the plate thickness. The width of the cut slots is determined by the type of tool. It can generally be between 0 and 3 mm, preferably between 0.2 and 2 mm; If the slots are too wide, the insulating effect of the insulation board is impaired and cold bridges can occur.

Es gibt verschiedene Methoden, nach denen die Einschnitte in den Platten angebracht werden können. Als Werkzeuge kommen z.B. Sägen, Schneidringe, rotierende Messer, Glühdrähte oder oszillierende Drähte in Frage.There are various methods by which the incisions can be made in the panels. The tools are e.g. Saws, cutting rings, rotating knives, glow wires or oscillating wires in question.

Die Einschnitte sind auf beiden Seiten der Schaumstoffplatte angebracht, wobei sie natürlich gegeneinander versetzt sein müssen. Die Schnittiefe ist vorzugsweise gleich. Bevorzugt sind parallele Einschnitte.The incisions are made on both sides of the foam sheet, although they must of course be offset from one another. The depth of cut is preferably the same. Parallel incisions are preferred.

Die Nut- und Federprofile können an den Schaumstoffplatten vor oder nach den Einschnitten angebracht werden. Man kann die Profile nach bekannten Methoden aus dem Schaumstoff herausfräsen oder herausschneiden. Die Form und die Größe der Profile kann grundsätzlich beliebig gestaltet werden, wobei natürlich Nut und Feder aufeinander abgestimmt sein müssen. Nut und Feder können einen rechteckigen oder konisch zulaufenden Querschnitt haben, zur Erlichterung des Zusammenfügens sind sie aber bevorzugt etwas abgerundet.The tongue and groove profiles can be attached to the foam panels before or after the cuts. The profiles can be milled or cut out of the foam using known methods. The shape and size of the profiles can in principle be designed as desired, whereby of course tongue and groove must be coordinated. Tongue and groove can have a rectangular or tapered cross-section for Facilitating the assembly, however, they are preferably somewhat rounded.

Die Breite der Nut beträgt vorzugsweise etwa die Hälfte der Plattendicke, ihre Tiefe sollte vorzugsweise mindestens 3 cm betragen. Es empfiehlt sich, die Gesamtabmessungen der Platte, also einschließlich der Federprofile, so zu wählen, daß die Schaumstoffblöcke, aus denen man sie normalerweise schneidet, optimal genutzt werden, so daß der Abfall auf ein Mindestmaß reduziert wird.The width of the groove is preferably about half the plate thickness, its depth should preferably be at least 3 cm. It is advisable to choose the overall dimensions of the plate, including the spring profiles, so that the foam blocks from which they are normally cut are used optimally so that waste is reduced to a minimum.

Die erfindungsgemäßen plattenförmigen Formteile können wie herkömmliche Dämmstoffe auf einer oder beiden zur Plattenhauptebene parallelen Oberfläche kaschiert werden. Als Kaschiermaterialien kommen zugfeste, aber leicht biegsame Materialien, z.B. Vliese, Gewebe, aus Textil- oder Glasfasern, Metall-Folien oder Kunststoff-Folien oder Bitumendichtungsbahnen in Frage. Bei einseitiger Kaschierung werden die Formteile als Bahnen aufrollbar. Die Kaschierung dient je nach verwendetem Material im Einbauzustand als Zugarmierung und/oder als Dampfbremse und/oder als'Abdichtung gegen Luftzug oder Wasser. Durch eine beidseitige Kaschierung erhält man eine beidseitige Armierung mit gleichen Zusatzfunktionen wie bei einseitiger Kaschierung.The plate-shaped moldings according to the invention can be laminated like conventional insulation materials on one or both surfaces parallel to the main plane of the plate. Laminating materials include tensile, but slightly flexible materials, e.g. Non-wovens, fabrics, made of textile or glass fibers, metal foils or plastic foils or bitumen sealing membranes in question. With one-sided lamination, the molded parts can be rolled up as webs. Depending on the material used, the lamination serves as tension reinforcement and / or as a vapor barrier and / or as a seal against drafts or water. With double-sided lamination, double-sided reinforcement is obtained with the same additional functions as with single-sided lamination.

Die erfindungsgemäßen Wärmedämmplattan dienen zum thermischen Isolieren von unterteilten Flächen, insbesondere von Steildächern, wobei die Platten zwischen die Dachsparren eingebracht werden. Beim Verlegen muß man zwei Fälle unterscheiden:

  • - die Plattenbreite ist kleiner als der Sparrenabstand und
  • - die Plattenbreite ist größer als der Sparrenabstand.
The thermal insulation rattan according to the invention is used for the thermal insulation of subdivided surfaces, in particular of steep roofs, the plates being inserted between the rafters. There are two cases when laying:
  • - The plate width is smaller than the rafter spacing and
  • - The plate width is larger than the rafter spacing.

Beim ersten Fall geht man so vor, daß man zwei oder gegebenenfalls mehr Platten an ihren zu den Sparren parallel laufenden Stirnflächen durch Nut- und Federverbindung zusammenfügt, von diesem Plattenverbund den über den Sparrenzwischenraum zuzüglich einer Zugabe von 0,5 bis 5, vorzugsweise 1 bis 2 cm überstehenden Plattenteil abschneidet, den zurechtgeschnittenen Plattenverbund in Querrichtung zu den Sparren um die Zugabe zusammendrückt und so zwischen die Sparren einbringt; und in einem nächsten Verlegeschritt den abgeschnittenen Plattenteil mit einer weiteren Platte bzw. einem Plattenteil in gleicher Weise zusammenfügt, zurechtschneidet und zwischen die Sparren einbringt.In the first case, one proceeds in such a way that two or possibly more plates are joined together at their end faces running parallel to the rafters by tongue and groove connection, from this plate assembly that over the rafter space plus an addition of 0.5 to 5, preferably 1 to Cut off the 2 cm protruding panel part, compress the cut panel assembly in the transverse direction to the rafters by the addition and insert it between the rafters; and in a next laying step joins the cut plate part with a further plate or a plate part in the same way, cuts it and places it between the rafters.

Im zweiten Fall wird so verfahren, _daß man von der Platte den über den Sparrenzwischenraum zuzüglich einer Zugabe von 0,5 bis 5, vorzugsweise 1 bis 2 cm überstehenden Plattenteil abschneidet, den verbleibenden Plattenteil in Querrichtung zu den Sparren um die Zugabe zusammendrückt und so zwischen die Sparren einbringt; und in einem nächsten Verlegeschritt den abgeschnittenen Plattenteil mit einer weiteren Platte bzw. einem Plattenteil in gleicher Weise zusammenfügt, zurechtschneidet und zwischen die Sparren einbringt.In the second case, the procedure is such that the plate part is cut off from the plate over the rafter gap plus an addition of 0.5 to 5, preferably 1 to 2 cm, the remaining plate part is compressed in the transverse direction to the rafters by the addition and so between which brings rafters; and in a next laying step joins the cut plate part with a further plate or a plate part in the same way, cuts it and places it between the rafters.

In beiden Fällen werden anschließend die einzelnen zwischen die Sparren eingebrachten Platten bzw. Plattenverbunde-durch Zusammenfügen ihrer quer zu den Sparren verlaufenden Nut- und Federprofile miteinander verbunden. Beim Verlegen der Platten zwischen den schrägen Dachsparren arbeitet man zweckmäßigerweise von unten nach oben. Das Abschneiden der überstehenden Plattenteile kann mit Messern, Sägen oder Glühdrähten vorgenommen werden, vorzugsweise mit Stichsägen.In both cases, the individual plates or plate assemblies introduced between the rafters are then connected to one another by joining their tongue and groove profiles running transversely to the rafters. When laying the panels between the sloping rafters, it is advisable to work from the bottom up. The protruding plate parts can be cut off with knives, saws or filaments, preferably with jigsaws.

Durch das Zusammendrücken der Platten bzw. des Plattenver-' bundes erhalten diese eine Spannung quer zu den Sparren. Dadurch halten sie sich selbsttätig zwischen den Sparren fest. Zusätzlich können sie noch an den Sparren durch Stichnägel oder durch Anbringen von Lattenstücken gesichert werden. Durch die Nut- und Feder-Verbindung der einzelnen Platten bzw. Plattenverbunde in Längsrichtung zu den Sparren wird ein ausgezeichneter Sitz und Winddichtigkeit gewährleistet.By compressing the panels or the panel assembly, they receive a tension across the rafters. As a result, they automatically hold on between the rafters. In addition, they can also be secured to the rafters by piercing nails or by attaching slats. The tongue and groove connection of the individual panels or panel assemblies in the longitudinal direction to the rafters ensures excellent fit and windproofness.

Bei dem geschilderten Verlegeverfahren tritt praktisch kein Materialverlust durch Abfallstücke auf, da die abgeschnittenen Plattenteile bis auf ganz geringe Restmengen weiterverwendet werden können. Ein weiterer Vorteil der erfindungsgemäßen Wärmedämmplatte ist darin zu sehen, daß der Plattenhersteller sich auf eine Plattenbreite beschränken kann. Dadurch kann die Produktion rationeller gestaltet werden. Bei entsprechender Wahl der Plattenmaße wird außerdem eine optimale Nutzung der Schaumstoffblöcke gewährleistet. Auch die Verpackung und der Transport der Platten werden vereinfacht, Für den Handel ergibt sich eine stark reduzierte und vereinfachte Lagerhaltung. Bei der Anwendung des Wärmedämmsystems ergeben sich für den Handwerker bzw. Heimwerker Vorteile in der Planung und im Einkauf dadurch, daß er die angebotene Plattenbreite unabhängig vom Sparrenabstand einsetzen kann. Auch das Vorvermessen der Sparrenabstände zur detaillierten Bedarfsermittlung entfällt.With the described laying process there is practically no loss of material due to waste pieces, since the cut-off board parts can be used to a very small amount. Another advantage of the thermal insulation board according to the invention is that the board manufacturer can restrict himself to a board width. As a result, production can be made more rational. With an appropriate choice of panel dimensions, optimal use of the foam blocks is also guaranteed. The packaging and transport of the plates are also simplified. Warehousing is greatly reduced and simplified for retailers. When using the thermal insulation system, there are advantages in planning and purchasing for the tradesman or handyman in that he can use the panel width offered regardless of the rafter spacing. There is also no need to pre-measure the rafter distances for a detailed determination of requirements.

In den Zeichnungen sind eine besonders bevorzugte Ausführungsform der erfindungsgemäßen Wärmedämmplatte, sowie zwei Verlegeprinzipien schematisch dargestellt.A particularly preferred embodiment of the thermal insulation board according to the invention and two laying principles are shown schematically in the drawings.

Figur 1 zeigt die Seitenansicht von zwei Wärmedämmplatten der Dicke D mit halbkreisförmig ausgebildeter Nut N und Feder F, sowie den Einschnitten E. LFigure 1 shows the side view of two thermal insulation boards of thickness D with a semicircular groove N and tongue F, and the incisions E. L

Figur 2 zeigt den 'ersten Verlegefall, bei dem die Plattenbreite B (62,5 cm, inclusive Feder) kleiner ist als der Abstand der zwei Sparren S (75 cm) ; Figur 3 zeigt den zweiten Verlegefall, bei dem die Plattenbreite B größer ist als der Sparrenabstand (55 cm). Die Platten haben in beiden Fällen die gleiche Länge L (62,5 cm, inclusive Feder) und Dicke (10 cm). Längs der Trennlinie T werden die abgeschnittenen Plattenteile x, y und z abgetrennt, die dann beim jeweils nächsten Verlegevorgang wieder verwendet werden. Die oben beschriebene Zugabe (1 cm) ist in der Zeichnung nicht berücksichtigt. Die Maßangaben in den Klammern beziehen sich auf einen Praxisversuch.Figure 2 shows the 'first installation case, in which the board width B (62.5 cm, including spring) is smaller than the distance between the two rafters S (75 cm); Figure 3 shows the second installation case, in which the board width B is larger than the rafter spacing (55 cm). In both cases, the plates have the same length L (62.5 cm, including spring) and thickness (10 cm). The cut panel parts x, y and z are cut off along the dividing line T and are then used again in the next laying process. The addition (1 cm) described above is not taken into account in the drawing. The dimensions in brackets refer to a practical test.

Claims (3)

1. Rechteckige Wärmedämmplatten zum Einbau zwischen Dachsparren, bestehend aus zähhartem Schaumkunststoff einer Dichte von 5 bis 100 g/l, mit einer Dicke von 2 bis 20 cm, welche auf beiden Seiten mit einer Vielzahl von Einschnitten versehen sind, die im wesentlichen senkrecht zur Plattenhauptebene und parallel zu einer Stirnfläche verlaufen, wobei die Abstände zwischen den Einschnitten kleiner sind als die Plattendicke, und die Tiefe der Einschnitte größer ist als die halbe Plattendicke, dadurch gekennzeichnet, daß die Platten an den vier Stirnflächen jeweils einander gegenüberliegend Nut- und Feder-Profile aufweisen.1. Rectangular thermal insulation panels for installation between rafters, consisting of tough, hard foam plastic with a density of 5 to 100 g / l, with a thickness of 2 to 20 cm, which are provided on both sides with a large number of incisions, which are essentially perpendicular to the main plane of the panel and run parallel to an end face, the distances between the cuts being smaller than the plate thickness, and the depth of the cuts being greater than half the plate thickness, characterized in that the plates on the four end faces are mutually opposite tongue and groove profiles exhibit. 2. Wärmedämmplatte nach Anspruch 1, dadurch gekennzeichnet, daß sie eine Breite von 40 bis 200 cm und eine Länge von 40 bis 1000 cm haben.2. Thermal insulation panel according to claim 1, characterized in that they have a width of 40 to 200 cm and a length of 40 to 1000 cm. 3. Wärmedämmplatte nach Anspruch 1, dadurch gekennzeichnet, daß die Nut- und Feder-Profile abgerundet sind.3. Thermal insulation panel according to claim 1, characterized in that the tongue and groove profiles are rounded.
EP82100280A 1979-12-17 1980-03-20 Heat insulated panels for mounting between rafters Ceased EP0056640A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE7935446U 1979-12-17
DE19797935446U DE7935446U1 (en) 1979-12-17 1979-12-17 THERMAL INSULATION PLATE

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP80101477A Division EP0019058B1 (en) 1979-12-17 1980-03-20 Method of thermally insulating parts of buildings
EP80101477.0 Division 1980-03-20

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EP0056640A2 true EP0056640A2 (en) 1982-07-28
EP0056640A3 EP0056640A3 (en) 1982-08-04

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EP82100280A Ceased EP0056640A3 (en) 1979-12-17 1980-03-20 Heat insulated panels for mounting between rafters

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EP (2) EP0019058B1 (en)
JP (1) JPS6017909B2 (en)
AT (1) ATE4925T1 (en)
AU (1) AU6543280A (en)
CA (1) CA1157629A (en)
DE (2) DE7935446U1 (en)
DK (1) DK534480A (en)
IE (1) IE50521B1 (en)
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EP0703328A1 (en) * 1994-09-23 1996-03-27 Wiehofsky, Margot Base for plaster
EP0691439A3 (en) * 1994-07-06 1996-05-29 Isobouw Daemmtechnik Gmbh Heat-insulating panel
EP0940511A3 (en) * 1998-03-05 2000-05-31 Lape S.r.l. A thermally insulating panel for application to surfaces of walls of buildings that are particularly exposed to sudden changes of temperature
CN1087693C (en) * 1996-12-04 2002-07-17 三星电子株式会社 Apparatus for adjusting head gap depending upon thickness of printing paper in ink jet printer

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EP0703328A1 (en) * 1994-09-23 1996-03-27 Wiehofsky, Margot Base for plaster
CN1087693C (en) * 1996-12-04 2002-07-17 三星电子株式会社 Apparatus for adjusting head gap depending upon thickness of printing paper in ink jet printer
EP0940511A3 (en) * 1998-03-05 2000-05-31 Lape S.r.l. A thermally insulating panel for application to surfaces of walls of buildings that are particularly exposed to sudden changes of temperature

Also Published As

Publication number Publication date
EP0019058A1 (en) 1980-11-26
IE802532L (en) 1981-06-17
DE3065109D1 (en) 1983-11-10
NO803749L (en) 1981-06-18
CA1157629A (en) 1983-11-29
EP0019058B1 (en) 1983-10-05
EP0056640A3 (en) 1982-08-04
IE50521B1 (en) 1986-04-30
NZ195843A (en) 1983-07-29
JPS6017909B2 (en) 1985-05-07
US4426818A (en) 1984-01-24
DE7935446U1 (en) 1980-04-03
DK534480A (en) 1981-06-18
ATE4925T1 (en) 1983-10-15
AU6543280A (en) 1981-06-25
JPS5693945A (en) 1981-07-29

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