EP1715110B1 - Insulating mineral wool mat with an insulating layer for jamming between delimiting surfaces - Google Patents
Insulating mineral wool mat with an insulating layer for jamming between delimiting surfaces Download PDFInfo
- Publication number
- EP1715110B1 EP1715110B1 EP06008218A EP06008218A EP1715110B1 EP 1715110 B1 EP1715110 B1 EP 1715110B1 EP 06008218 A EP06008218 A EP 06008218A EP 06008218 A EP06008218 A EP 06008218A EP 1715110 B1 EP1715110 B1 EP 1715110B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- insulating material
- material sheet
- layer
- clamping
- insulating
- 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.)
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- 239000011490 mineral wool Substances 0.000 title claims abstract description 10
- 239000011810 insulating material Substances 0.000 claims abstract description 74
- 230000006835 compression Effects 0.000 claims description 30
- 238000007906 compression Methods 0.000 claims description 30
- 239000011230 binding agent Substances 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 9
- 238000010276 construction Methods 0.000 claims description 7
- 239000000835 fiber Substances 0.000 claims description 4
- 230000006978 adaptation Effects 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000000717 retained effect Effects 0.000 claims 1
- 239000002023 wood Substances 0.000 claims 1
- 238000003780 insertion Methods 0.000 abstract 1
- 230000037431 insertion Effects 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 73
- 238000009413 insulation Methods 0.000 description 28
- 230000004888 barrier function Effects 0.000 description 15
- 239000000463 material Substances 0.000 description 10
- 238000013016 damping Methods 0.000 description 9
- 230000008901 benefit Effects 0.000 description 5
- 238000009792 diffusion process Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000002131 composite material Substances 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- 229920003188 Nylon 3 Polymers 0.000 description 1
- 229920001007 Nylon 4 Polymers 0.000 description 1
- 229920002292 Nylon 6 Polymers 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000001166 anti-perspirative effect Effects 0.000 description 1
- 239000003213 antiperspirant Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000011491 glass wool Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000002557 mineral fiber Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 238000009418 renovation Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Images
Classifications
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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
- E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
- E04B9/04—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation comprising slabs, panels, sheets or the like
- E04B9/045—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation comprising slabs, panels, sheets or the like being laminated
-
- 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
- E04B1/7654—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 comprising an insulating layer, disposed between two longitudinal supporting elements, e.g. to insulate ceilings
- E04B1/7658—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 comprising an insulating layer, disposed between two longitudinal supporting elements, e.g. to insulate ceilings comprising fiber insulation, e.g. as panels or loose filled fibres
- E04B1/7662—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 comprising an insulating layer, disposed between two longitudinal supporting elements, e.g. to insulate ceilings comprising fiber insulation, e.g. as panels or loose filled fibres comprising fiber blankets or batts
- E04B1/7666—Connection of blankets or batts to the longitudinal supporting elements
- E04B1/767—Blankets or batts with connecting flanges
-
- 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
- E04B2001/7695—Panels with adjustable width
Definitions
- the invention relates to an insulating material web of mineral wool according to the preamble of claim 1.
- Klemmfilz has become very popular on the market ( DE 36 12 857 C3 ), which is supplied to the construction site as a roll of insulation material wound on a roll.
- the insulation web is hereby provided on a main surface with transverse marking lines.
- the insulating material track which is equipped for a clamping felt, has gross densities in the range of 15 to 40 kg / m 3 and, in order to improve its clamping property, has an increased proportion of binder compared with conventional insulating material webs.
- the length of the sections corresponding to the distance between the Rafter is determined plus an oversize of about 10 mm.
- the object of the invention is to provide a thick and broadly variable insulation web, which combines the advantages of a longitudinally laid insulating material web with those of the Klemmfilzes and at the same time allows the insulating material web is also applicable to different spar thicknesses.
- the insulation web is composed of at least two layers or insulating layers, of which at least one is designed for the clamping installation between the installation of boundary surfaces, such as rafters of roofs, and of which at least one other insulating layer as a leveling layer for the adjustment is designed to different rafter heights.
- This insulating material web which can be wound into a roll is distinguished by the fact that the clamping insulating layer is divided over its width into at least three zones, of which the zones lying on the two lateral edge sections are essentially the same, but opposite to the middle one, that is, between the two Peripheral zones are so differently prepared or prepared that these edge zones are equipped as compression zones for the clamping installation between the boundary surfaces.
- the two-sided compression zones are designed such that at a nominal width B of the insulating material preferably between 600 and 1200 mm these compression zones on distances of 1 to 40% (based on the nominal width of the insulation web), preferably at a nominal width B of 1000 mm 2 to 40 % and a nominal width B of 1,200 mm 2 to 17% are compressible and so large clamping forces are generated that the corresponding laterally compressed insulating material is held with a press fit between the boundary surfaces.
- an insulating material web which is kept in stock with a nominal width B of 1,000 mm, covers conventional insulating material webs with widths in the range of 600 to just below 1,000 and with this insulation web with the nominal width 1,000 mm rafter spacings between 600 and just below 1,000 mm can be bridged become.
- the maximum bridgeable rafter spacing results from the nominal width of the insulating material web (1,000 mm in this example) minus the required clamping deduction of about 20 mm, ie about 980 mm.
- an insulating material web with a nominal width of 1,200 mm conventional insulating material webs with widths ranging from 1,000 to just under 1,200 mm can be covered.
- the width assortment of the insulating material webs to be stored depends on the rafter widths or rafter distances to be bridged.
- the present invention allows to operate in principle with two nominal widths of insulation webs, with a nominal width of 1,000 mm (can be compressed up to 600 mm) and a nominal width of 1,200 mm (can up to 1,000 mm be compressed), whereby a reduction in the number of articles in relation to the usual range such as skirting insulation boards and roll-up gripping felts is possible.
- Table I shows the advantageous assortment savings, with the width and thickness specifications in mm: ⁇ b> Table I ⁇ / b> product Thickness is Width is Width new ZKF 1-040 140 160 180 200 220 240 1200 1200 - 1000 1000 - 600 ZKF 1-035 120 140 160 180 200 220 240 1200 1200 - 1000 1000 - 600 ZKF 2-035 120 140 160 180 200 220 240 1200 ZRF Rollisol 140 160 600 140 160 700 140 160 800 140 160 1000 New thickness 160 200 240 Dick summary 25% 20% 16.7% Wide summary 16.70% 40% Article is 2 7 7 3 3 3 3 Total 28 Article new 6 6 Sum 12
- the number of articles has been reduced from 28 to 12 (2 products in 2 heat conduction groups in 2 widths and 3 thicknesses) compared to the conventional range, ie by about 30%. Furthermore, this allows a further reduction in the variety of types by using only two nominal thicknesses, namely 200 and 240 mm, in addition to the already selected nominal widths of 1,000 and 1,200 mm, because, as practice has shown, this selection already covers about 70% of the On demand.
- the conventional pinch felts must be provided and also stored in finely graded thicknesses, particularly with thicknesses of 120, 140, 160, 180, 200, 220 and 240 mm with a width of the conventional 1200 mm and graded pinch felts Widths in the case of Rollisol, ie a longitudinally inserted between rafters insulation web, with widths of 600, 700, 800 and 1,000 mm.
- the finely graduated thicknesses can be avoided with the insulating material web according to the invention, since only thicknesses of 160, 200 and 240 need to be provided in the specified embodiment, but with which the entire thickness range of conventional products can be covered.
- the finely graduated thicknesses of the Klemmfilze of 120 mm and 140 mm are covered. If the insulating sheet according to the invention is compressed with a thickness of 160 mm to the thickness of 120 mm, the result is a thickness summary of 25%, as shown in the table.
- the same situation applies to the other thicknesses of the embodiment with 200 mm and 240 mm, with a possible compression of 200 mm to 160 mm with 20% and from 240 mm to 200 mm with 16.7% is given here.
- the width assortment depends on the generally to be bridged rafter widths.
- Table I shows very clearly that the number of articles due to the measure according to the invention with respect to the current range from 28 to 12, d. H. can reduce by about 57%.
- the compensating layer is furthermore designed so that it can be compressed up to 30%, in particular up to 25%, without destroying the fiber structure, ie, when the load is relieved, it essentially springs back to the nominal thickness.
- Inventive leveling layers are in the range of 120 to 250 mm, in particular provided 160 to 240 mm nominal thickness, wherein the binder content of the leveling layer in the range of 3 to 6%, particularly preferably from 4 to 5% at bulk densities of preferably between 10 and 40 kg / m 3 .
- the binder content of the clamping insulating layer is 5 to 8%, preferably 6 to 7%, at comparable bulk density (dry).
- the width of each compression zone of the clamping layer is at least 10%, in particular at least 15% of the nominal width B of the insulating material web.
- the compression zones are formed by introducing at least one groove which extends perpendicular to the main surfaces of the insulating material web and which, in the case of a plurality of grooves, are preferably formed parallel to one another.
- These groove or grooves are z. B. obtained by working out the material of mineral wool and lined up form a kind of crumple zones whose presence makes it possible that with one and the same insulating material very different rafter distances can be bridged.
- the web areas remaining between the grooves then serve as actual compression zones for the construction of the clamping forces, so that, as a result of groove formation, a clever division of bridging zones and compression areas within the two lateral compression zones results.
- groove widths of at least 2 mm, preferably at least 5 mm, are provided.
- at least 3 grooves in a compression zone are preferred.
- the compression zones may also be formed by other methods, here preferably by a milling process, i. be formed by a controlled compression and subsequent relaxation.
- this layer is formed of a moisture-adaptive material which has a higher water vapor diffusion resistance at a low humidity of the atmosphere surrounding the vapor barrier than at a higher humidity.
- this vapor-damping layer is made of a film of polyamide.
- the vapor-damping layer is formed with a greater width than the nominal width of the actual insulation web, in particular, the arranged on the clamping layer vapor barrier layer on both sides with edge strips laterally, so that attachment of the protruding edge strips of the vapor-damping layer, for example, the rafters is possible.
- the vapor-damping layer is not connected to the clamping layer in both lateral compression zones and rests there only loosely and there is a connection only in the middle region or in the middle zone of the clamping insulating layer.
- the protruding edge strips can be folded inwards and, moreover, the clamping effect of the compression zones is not impaired or disturbed by the vapor-damping layer.
- the Fig. 1 and 2 show insulating material webs in cross-section and that along a sectional plane perpendicular to the two side edges of the insulating material web.
- the insulant web generally designated 1
- the insulant web is here formed from two superimposed layers or layers, namely a so-called clamping layer 2 and a leveling layer 3.
- Both layers 2 and 3 are formed from mineral wool, in particular glass wool.
- These are insulating material webs with a fibrous structure, in which the fibers are manufactured or essentially directed in the longitudinal direction of the insulating material web substantially parallel to the two main surfaces 4 and 5 of the insulating material web.
- each of the layers 2 and 3 is formed of the same material, d. H.
- Each of these layers 2 and 3 has the same bulk density and the same binder content except for production-related deviations over the cross section.
- the clamping layer 2 has a bulk density of 15 kg / m 3 and a binder content of 6.5% (dry), in particular phenolic resin is used as a binder.
- the leveling layer 3 has a bulk density of 10 kg / m 3 and a binder content of 4.5% (dry), the same binder being selected as for the clamping layer 2.
- the bulk density for the clamping layer 2 can be selected, for example, between 10 and 30 kg / m 3 and for the leveling layer 3 between 8 and 20 kg / m 3 .
- the composite of both layers 2 and 3 to the insulating material web is intimate and may be formed, for example, by an adhesive layer between the two layers 2 and 3.
- the composite of the two layers is achieved in that the two layers 2 and 3 are made of binder-crosslinked fibers in superposition by a curing oven, so that, so to speak a composite is achieved by the cured binder in the boundary region between the two layers 2 and 3.
- the clamping layer 2 is subdivided into three zones, namely two lateral edge zones 6 and 7, which are constructed identically and an intermediate zone 8 therebetween.
- the three clamping layer zones 6 to 8 have, in particular, the same bulk density and the same binder content.
- the lateral edge zones 6 and 7, which act as actual clamping zones are treated differently from the middle zone 8.
- the edge zones 6 and 7 are provided with juxtaposed grooves 9 formed by material processing. These grooves 9 are parallel to each other and introduced from the upper main surface 4. In this case, they extend over about 2/3 of the thickness of the clamping layer 2.
- each edge zone 6 and 7 a total of 6 grooves, wherein the groove width is 5 mm.
- the grooves 9 have a groove depth of about 45 mm.
- the thickness of the compensation layer is 130 mm, so that the insulating material web 1 shown in the uninstalled state has a total thickness of about 200 mm.
- the thickness ratio of the clamping layer 2 to the compensating layer 3 is approximately 2: 3.
- their thickness ratio can also be chosen differently, wherein the layer thickness of the clamping layer is expediently adapted to the clamping requirements in terms of a likewise desired according to the invention material savings.
- the weight of the insulating material web according to the invention is optimized overall.
- the width of the edge zones 6 and 7 shown in the embodiments is 10% of the nominal width B of the insulating material web, in the case of a nominal width B of 1,200 mm, ie 120 mm.
- the insulation web 1 between adjacent rafters in the longitudinal direction is preferably first inserted with the leveling layer 3 by compressing their edge zones and then under lateral compression of the two edge zones 6 and 7 of the clamping layer 2 with simultaneous entrainment of the edge zones of the leveling layer 3 in brought the final installation position, so that the insulating material web 1 is sitting and held between the rafters due to construction of clamping forces substantially through the compressed edge zones 6 and 7.
- the insulating material web can also be laminated with an aluminum foil on one of the main surfaces, preferably the main surface of the clamping layer 2, which protrudes laterally over the two edges of the insulating material web, so that additionally an antiperspirant of the insulating material web can be made on the rafter surface.
- the insulating material web on the main surface 4, that is to say the outer surface of the clamping layer 2 is provided with a vapor-damping layer in the form of a vapor barrier film 10, which is glued to the clamping layer 2.
- this vapor barrier film 10 is connected only to the central zone 8 of the clamping layer 2, but not with the two edge zones 6 and 7, where it rests only loosely.
- the vapor barrier film 10 is dimensioned greater in width than the nominal width B of the insulating material web, so that the vapor barrier film 10 protrudes laterally on both edges of the insulating material web, as is apparent Fig. 2 results.
- the vapor barrier film 10 can be provided with self-adhesive surfaces 11, preferably in the form of self-adhesive tapes, on the edges projecting beyond the insulating material web, which serves for the airtight bonding of laterally overlapping vapor barrier layers. Therefore, because the vapor barrier film 10 is connected in a region of the central zone 8 of the clamping layer with the material, the edge regions of the vapor barrier film 10 can be folded inwardly toward the central zone 8 for the purpose of transport, the collapsed areas in Fig. 2 schematically illustrated and designated 12.
- the vapor barrier film is formed in the embodiment of a material which at a relative humidity of the atmosphere surrounding the vapor barrier in the range of 30 to 50%, a water vapor diffusion resistance (s d value) of 2 to 5 m diffusion-equivalent air layer thickness and at a relative humidity in the Range of 60 to 80% has a water vapor diffusion resistance (s d value), which is ⁇ 1 m diffusion-equivalent air layer thickness.
- the vapor barrier film of polyamide 3, 4 or 6 is formed.
- the vapor barrier film has a thickness in the range of 20 to 100 microns and is formed in the illustrated embodiment with a thickness of 50 microns.
- the vapor barrier film is not limited to the exemplified materials, dimensions and physical properties.
- the vapor-barrier layer applied to the product already during manufacture is an essential assembly advantage, especially if the projecting edges are provided with self-adhesive surfaces, whereby air-tightness of the vapor-damping layers can be achieved in a simple manner.
- a subsequent application of a large-scale vapor-damping layer thereby eliminates and thus additional installation costs.
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- Electromagnetism (AREA)
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- Structural Engineering (AREA)
- Acoustics & Sound (AREA)
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Abstract
Description
Die Erfindung betrifft eine Dämmstoffbahn aus Mineralwolle gemäß dem Oberbegriff des Patentanspruches 1.The invention relates to an insulating material web of mineral wool according to the preamble of claim 1.
Für die Wärmedämmung von insbesondere Sparrendächern sind unterschiedliche Systeme bekannt. Bei einem häufig verwendeten System werden zu einer Rolle aufwickelbare Dämmstoffbahnen verwendet, die nach dem Entrollen in Längsrichtung zwischen benachbarte Sparren gesetzt werden. Zum Zwecke der Halterung sind diese Dämmstoffbahnen zumeist mit einer Aluminiumfolie kaschiert, die beidseitig über die Seitenränder der Dämmstoffbahn vorsteht. Über diese seitlich vorstehenden Randstreifen wird die Dämmstoffbahn durch Antackern an der Sparrenunterseite befestigt. Da insbesondere bei der Renovierung von Altbauten des öfteren divergierende Abstände zwischen den Sparren vorhanden sind bzw. im Falle von Neubauten jedenfalls von Baustelle zu Baustelle die Abstände der Sparren unterschiedlich sein können, müssen derartige Dämmstoffbahnen in bestimmten und fein aufeinander abgestuften Nennbreiten gefertigt und vorrätig gehalten werden. Üblich sind hierbei Nennbreiten von 500 bis 1.200 mm in 100 mm Abstufungen. Zusätzlich müssen diese Dämmstoffbahnen auch in unterschiedlichen Dicken bereitgestellt werden, was somit zu einer sehr großen Lagerhaltung führt.For the thermal insulation of particular rafter roofs different systems are known. In a commonly used system, rollable insulation sheets are used which, after unwinding, are longitudinally sandwiched between adjacent rafters. For the purpose of mounting these insulation sheets are usually laminated with an aluminum foil which protrudes on both sides over the side edges of the insulating material web. About this laterally projecting edge strips the insulating material web is fixed by Antackern on the rafter bottom. Since especially in the renovation of old buildings often divergent distances between the rafters are available or in the case of new buildings from construction site to construction site, the distances of the rafters may be different, such insulation sheets must be made in specific finely graduated nominal widths and kept in stock , Typical are nominal widths of 500 to 1,200 mm in 100 mm increments. In addition, these insulation sheets must be provided in different thicknesses, which thus leads to a very large storage.
Aus diesem Grund hat sich auf dem Markt sehr stark der sog. Klemmfilz durchgesetzt (
Aus der
Schließlich ist es auch bekannt (
Aufgabe der Erfindung ist es, eine dicken- und breitenvariable Dämmstoffbahn zu schaffen, welche die Vorteile einer längsverlegten Dämmstoffbahn mit denen des Klemmfilzes kombiniert und es gleichzeitig ermöglicht, dass die Dämmstoffbahn auch für unterschiedliche Sparrendicken anwendbar ist.The object of the invention is to provide a thick and broadly variable insulation web, which combines the advantages of a longitudinally laid insulating material web with those of the Klemmfilzes and at the same time allows the insulating material web is also applicable to different spar thicknesses.
Diese Aufgabe wird erfindungsgemäß durch die Merkmale des Anspruchs 1 gelöst, wobei zweckmäßige Weiterbildungen der Erfindung durch die in den Unteransprüchen enthaltenen Merkmale gekennzeichnet sind.This object is achieved by the features of claim 1, wherein expedient developments of the invention are characterized by the features contained in the dependent claims.
Nach Maßgabe der Erfindung setzt sich die Dämmstoffbahn aus mindestens zwei Lagen bzw. Dämmstoffschichten zusammen, von denen mindestens eine für den klemmenden Einbau zwischen den Einbau von Begrenzungsflächen, etwa Sparren von Dächern, ausgebildet ist und von denen mindestens eine andere Dämmschicht als Ausgleichsschicht für die Anpassung an unterschiedliche Sparrenhöhen ausgestaltet ist. Diese zu einer Rolle aufwickelbare Dämmstoffbahn zeichnet sich dadurch aus, dass die klemmende Dämmschicht über ihre Breite in mindestens drei Zonen aufgeteilt ist, von denen die an den beiden seitlichen Randabschnitten liegende Zonen im Wesentlichen gleich ausgebildet sind, jedoch gegenüber der mittleren, also zwischen den beiden Randzonen liegenden Zone derart unterschiedlich aufbereitet bzw. hergerichtet sind, dass diese Randzonen als Komprimierzonen für den klemmenden Einbau zwischen den Begrenzungsflächen gerüstet sind. Dadurch können mit ein- und derselben Dämmstoffbahn aufgrund der beidseits angeordneten Komprimierzonen unterschiedliche Sparrenabstände überbrückt werden, so dass also nunmehr eine Längsverlegung der Dämmstoffbahn unter Ausnutzung des Klemmfilzprinzips möglich ist, ohne dass wie im Stande der Technik viele verschiedene Dämmstoffbahnen mit unterschiedlicher Nennbreite zur Verfügung gestellt werden müssen. Durch mehr oder weniger starkes Zusammendrücken der Komprimierzonen können unterschiedliche Sparrenabstände mit ein- und derselben Dämmstoffbahn überbrückt werden. D. h., dass die Dämmstoffbahn nicht wie beim Klemmfilz in an den Sparrenabstand angepasste Längsabschnitte unterteilt werden muss, vielmehr in einem Arbeitsgang längs zwischen Sparren verlegt werden kann, selbst dann, wenn die Sparrenabstände innerhalb ein- und desselben Sparrenfeldes variieren, was insbesondere häufig in Altbauten der Fall ist. Zusätzlich ergibt sich der Vorteil, dass in Folge der in Richtung der Dicke kompressiblem Ausgleichsschicht auch eine Anpassung an unterschiedliche Balkenhöhen oder Dachtiefen ermöglicht ist. Dies ist besonders bei älteren Gebäuden vorteilhaft, in denen die Balkenhöhen oft nicht den heutigen Dämmstoff-Sortimentsdicken entsprechen und eine optimale vollständige Ausfüllung des Hohlraumes mit Dämmstoff nicht oder nur mit großem Mehraufwand durchgeführt werden kann. Dadurch wird erfindungsgemäß eine dicken- und breitenvariable Dämmstoffbahn mit Klemmcharakter geschaffen, die aber eine Verlegung in Längsrichtung zwischen den Sparren eines Daches ermöglicht. Der große Vorteil jedoch, der mit diesen Maßnahmen verbunden ist, besteht in der Verringerung des Sortiments.According to the invention, the insulation web is composed of at least two layers or insulating layers, of which at least one is designed for the clamping installation between the installation of boundary surfaces, such as rafters of roofs, and of which at least one other insulating layer as a leveling layer for the adjustment is designed to different rafter heights. This insulating material web which can be wound into a roll is distinguished by the fact that the clamping insulating layer is divided over its width into at least three zones, of which the zones lying on the two lateral edge sections are essentially the same, but opposite to the middle one, that is, between the two Peripheral zones are so differently prepared or prepared that these edge zones are equipped as compression zones for the clamping installation between the boundary surfaces. As a result, different rafter spacings can be bridged with one and the same insulating material web due to the compression zones arranged on both sides, so that now a longitudinal laying of the insulating material web using the Klemmfilzprinzips is possible without many different insulation webs are provided with different nominal width available as in the prior art have to. By more or less strong compression of the compression zones different rafter distances can be bridged with one and the same insulating material web. That is, that the insulating material web not as in the Klemmfilz in The rafter distance adapted longitudinal sections must be divided, but can be laid along rafters in one operation, even if the rafter intervals vary within one and the same rafter field, which is often the case especially in old buildings. In addition, there is the advantage that, as a result of the compressible compensation layer in the direction of thickness, adaptation to different beam heights or roof depths is also possible. This is particularly advantageous in older buildings in which the beam heights often do not correspond to today's insulation range thicknesses and optimum full filling of the cavity with insulation material can not be performed or only with great extra effort. As a result, according to the invention, a thickness and width-variable insulating material web with a clamping character is created, which, however, permits laying in the longitudinal direction between the rafters of a roof. However, the big advantage associated with these measures is the reduction in the range.
Zweckmäßigerweise sind die beidseitigen Komprimierzonen derart ausgebildet, dass bei einer Nennbreite B der Dämmstoffbahn vorzugsweise zwischen 600 und 1.200 mm diese Komprimierzonen auf Wegstrecken von 1 bis 40 % (bezogen auf die Nennbreite der Dämmstoffbahn), vorzugsweise bei einer Nennbreite B von 1.000 mm 2 bis 40 % und einer Nennbreite B von 1.200 mm 2 bis 17 % zusammendrückbar sind und dabei derart große Klemmkräfte erzeugt sind, dass die entsprechend seitlich zusammengedrückte Dämmstoffbahn mit Klemmsitz zwischen den Begrenzungsflächen gehalten ist. Beispielsweise deckt eine Dämmstoffbahn, die mit einer Nennbreite B von 1.000 mm vorrätig gehalten wird, herkömmliche Dämmstoffbahnen mit Breiten im Bereich von 600 bis knapp unter 1.000 ab und es können mit dieser Dämmstoffbahn mit der Nennbreite 1.000 mm Sparrenabstände zwischen 600 und knapp unter 1.000 mm überbrückt werden. Der maximal überbrückbare Sparrenabstand ergibt sich dabei aus der Nennbreite der Dämmstoffbahn (hier im Beispiel 1.000 mm) abzüglich des erforderlichen Klemmabschlags von etwa 20 mm, also zu etwa 980 mm. Oder es können mit einer Dämmstoffbahn mit einer Nennbreite von 1.200 mm herkömmliche Dämmstoffbahnen mit Breiten im Bereich von 1.000 bis knapp unter 1.200 mm abgedeckt werden.Conveniently, the two-sided compression zones are designed such that at a nominal width B of the insulating material preferably between 600 and 1200 mm these compression zones on distances of 1 to 40% (based on the nominal width of the insulation web), preferably at a nominal width B of 1000
Demnach richtet sich das Breitensortiment der zu bevorratenden Dämmstoffbahnen nach den zu überbrückenden Sparrenbreiten bzw. Sparrenabständen. In der Praxis ermöglicht daher die vorliegende Erfindung, dass man im Prinzip mit zwei Nennbreiten der Dämmstoffbahnen auskommen kann, und zwar mit einer Nennbreite von 1.000 mm (kann bis zu 600 mm zusammengedrückt werden) und einer Nennbreite von 1.200 mm (kann bis auf 1.000 mm zusammengedrückt werden), wodurch eine Reduzierung der Artikelanzahl in Bezug auf das übliche Sortiment wie Randleisten-Dämmbahnen und aufrollbare Klemmfilze möglich ist.Accordingly, the width assortment of the insulating material webs to be stored depends on the rafter widths or rafter distances to be bridged. In practice, therefore, the present invention allows to operate in principle with two nominal widths of insulation webs, with a nominal width of 1,000 mm (can be compressed up to 600 mm) and a nominal width of 1,200 mm (can up to 1,000 mm be compressed), whereby a reduction in the number of articles in relation to the usual range such as skirting insulation boards and roll-up gripping felts is possible.
Anhand Tabelle I wird die vorteilhafte Sortimenteinsparung aufgezeigt, wobei die Breiten- und Dickenangaben in mm angeben sind:
In der Tabelle I sind oben links herkömmliche Produkte aufgelistet, deren Kurzbezeichnung ZKF aufrollbare Klemmfilze mit unterschiedlichen Wärmeleitwerten beispielhaft angeben, wobei sich die letzte Kurzbezeichnung ZRF auf einen Randleistenfilz beziehen soll. In der Mitte der Tabelle I sind die jeweiligen Dicken und Breiten dieser herkömmlichen Produkte aufgelistet, wobei rechts oben in der Tabelle I die bereits reduzierten neuen Breiten 1.200 mm und 1.000 mm aufgeführt sind. Darunter sind die bereits von der Anzahl her reduzierten Dicken 160, 200 und 240 mm angeben sowie die prozentualen Dicken- und Breitenzusammenfassungen.In Table I, conventional products are listed at the top left, the short name ZKF specify roll-up clamping felts with different thermal conductivities exemplified, with the last short name ZRF should relate to a Randleistenfilz. In the middle of Table I, the respective thicknesses and widths of these conventional products are listed, with the already reduced new widths of 1,200 mm and 1,000 mm being listed on the top right in Table I. These include the already reduced thicknesses of 160, 200 and 240 mm as well as the percentage thickness and width summaries.
Wie aus der Tabelle I ferner hervorgeht, wurde die Artikelanzahl in Bezug auf das herkömmliche Sortiment von 28 auf 12 (2 Produkte in 2 Wärmeleitgruppen in 2 Breiten und 3 Dicken), d. h. um rund 30 % reduziert. Ferner ist dadurch eine weitere Reduzierung der Typenvielfalt möglich, indem man nur zwei Nenndicken, und zwar 200 und 240 mm, neben den bereits ausgewählten Nennbreiten 1.000 und 1.200 mm verwendet, denn wie die Praxis gezeigt hat, deckt diese Auswahl bereits ca. 70 % des Bedarfs ab.As can be seen from Table I, the number of articles has been reduced from 28 to 12 (2 products in 2 heat conduction groups in 2 widths and 3 thicknesses) compared to the conventional range, ie by about 30%. Furthermore, this allows a further reduction in the variety of types by using only two nominal thicknesses, namely 200 and 240 mm, in addition to the already selected nominal widths of 1,000 and 1,200 mm, because, as practice has shown, this selection already covers about 70% of the On demand.
Aus Tabelle I ergibt sich, dass die herkömmlichen Klemmfilze in fein abgestuften Dicken bereitgestellt und auch bevorratet werden müssen, insbesondere mit Dicken von 120, 140, 160, 180, 200, 220 und 240 mm bei einer Breite der herkömmlichen Klemmfilze von 1.200 mm und abgestuften Breiten im Falle von Rollisol, also einer in Längsrichtung zwischen Sparren eingebrachten Dämmstoffbahn, mit Breiten von 600, 700, 800 und 1.000 mm. Die fein abgestuften Dicken lassen sich mit der erfindungsgemäßen Dämmstoffbahn vermeiden, da lediglich Dicken von 160, 200 und 240 im angegebenen Ausführungsbeispiel bereitgestellt werden müssen, mit denen aber der gesamte Dickenbereich der herkömmlichen Produkte abgedeckt werden kann. So können beispielsweise mit der erfindungsgemäßen Dämmstoffbahn mit einer Dicke von 160 mm die feinabgestuften Dicken der Klemmfilze von 120 mm und 140 mm mit abgedeckt werden. Wird die erfindungsgemäße Dämmstoffbahn mit einer Dicke von 160 mm bis zur Dicke von 120 mm zusammengedrückt, so ergibt sich eine Dickenzusammenfassung von 25 %, wie in der Tabelle ausgewiesen ist. Der gleiche Sachverhalt trifft natürlich auch für die übrigen Dicken des Ausführungsbeispiels mit 200 mm und 240 mm zu, wobei hier eine mögliche Kompression von 200 mm bis 160 mm mit 20 % und von 240 mm bis 200 mm mit 16,7 % angegeben ist. Das Breitensortiment richtet sich nach den allgemein zu überbrückenden Sparrenbreiten. Mit den beiden erfindungsgemäß bereitgestellten Filzbreiten von 1.200 mm und 1.000 mm kann ein Bereich von 600 mm bis 1.200 mm abgedeckt werden, da die Dämmstoffbahn mit der Breite von 1.200 mm bis auf 1.000 mm und die Dämmstoffbahn mit einer Breite von 1.000 mm bis zu 600 mm zusammengedrückt werden kann.It can be seen from Table I that the conventional pinch felts must be provided and also stored in finely graded thicknesses, particularly with thicknesses of 120, 140, 160, 180, 200, 220 and 240 mm with a width of the conventional 1200 mm and graded pinch felts Widths in the case of Rollisol, ie a longitudinally inserted between rafters insulation web, with widths of 600, 700, 800 and 1,000 mm. The finely graduated thicknesses can be avoided with the insulating material web according to the invention, since only thicknesses of 160, 200 and 240 need to be provided in the specified embodiment, but with which the entire thickness range of conventional products can be covered. Thus, for example, with the insulation web according to the invention with a thickness of 160 mm, the finely graduated thicknesses of the Klemmfilze of 120 mm and 140 mm are covered. If the insulating sheet according to the invention is compressed with a thickness of 160 mm to the thickness of 120 mm, the result is a thickness summary of 25%, as shown in the table. Of course, the same situation applies to the other thicknesses of the embodiment with 200 mm and 240 mm, with a possible compression of 200 mm to 160 mm with 20% and from 240 mm to 200 mm with 16.7% is given here. The width assortment depends on the generally to be bridged rafter widths. With the two felt widths of 1,200 mm and 1,000 mm provided according to the invention, a range of 600 mm to 1,200 mm can be covered since the insulation web with the width of 1,200 mm up to 1,000 mm and the insulating web with a width of 1,000 mm up to 600 mm can be compressed.
Die Tabelle I zeigt sehr augenscheinlich, dass sich die Artikelanzahl aufgrund der erfindungsgemäßen Maßnahme in Bezug auf das heutige Sortiment von 28 auf 12, d. h. um ca. 57 % reduzieren lässt.Table I shows very clearly that the number of articles due to the measure according to the invention with respect to the current range from 28 to 12, d. H. can reduce by about 57%.
Zweckmäßigerweise ist ferner die Ausgleichsschicht so ausgebildet, dass sie bis zu 30 %, insbesondere bis zu 25 % ohne Zerstörung der Faserstruktur zusammendrückbar ist, d. h. bei Entlastung im Wesentlichen auf die Nenndicke zurückfedert. Erfindungsgemäße Ausgleichsschichten sind im Bereich vom 120 bis 250 mm, insbesondere 160 bis 240 mm Nenndicke vorgesehen, wobei der Bindemittelgehalt der Ausgleichsschicht im Bereich von 3 bis 6 %, besonders bevorzugt von 4 bis 5 % bei Rohdichten von vorzugsweise zwischen 10 und 40 kg/m3 liegt. Der Bindemittelgehalt der klemmenden Dämmschicht beträgt demgegenüber bei vergleichbarer Rohdichte (trocken) 5 bis 8 %, bevorzugt 6 bis 7 %.Expediently, the compensating layer is furthermore designed so that it can be compressed up to 30%, in particular up to 25%, without destroying the fiber structure, ie, when the load is relieved, it essentially springs back to the nominal thickness. Inventive leveling layers are in the range of 120 to 250 mm, in particular provided 160 to 240 mm nominal thickness, wherein the binder content of the leveling layer in the range of 3 to 6%, particularly preferably from 4 to 5% at bulk densities of preferably between 10 and 40 kg / m 3 . In contrast, the binder content of the clamping insulating layer is 5 to 8%, preferably 6 to 7%, at comparable bulk density (dry).
Zweckmäßigerweise beträgt die Breite einer jeden Komprimierungszone der Klemmschicht mindestens 10 %, insbesondere mindestens 15 % der Nennbreite B der Dämmstoffbahn.Advantageously, the width of each compression zone of the clamping layer is at least 10%, in particular at least 15% of the nominal width B of the insulating material web.
In vorteilhafter Weise sind die Komprimierzonen durch Einbringen von mindestens einer Nut gebildet, die sich senkrecht zu den Hauptflächen der Dämmstoffbahn erstreckt und die bei mehreren Nuten vorzugsweise parallel zu einander ausgebildet sind. Diese Nut bzw. Nuten sind z. B. durch die Herausarbeitung des Materials aus Mineralwolle erhalten und bilden aneinandergereiht eine Art von Knautschzonen, deren Vorhandensein es ermöglicht, dass mit ein- und derselben Dämmstoffbahn sehr unterschiedliche Sparrenabstände überbrückt werden können. Die zwischen den Nuten verbleibenden Stegbereiche dienen dann als eigentliche Komprimierzonen für den Aufbau der Klemmkräfte, so dass sich in Folge der Nutausbildung eine geschickte Aufteilung von Überbrückungszonen und Komprimierbereichen innerhalb der beiden seitlichen Komprimierzonen ergibt. Damit eine hinreichende Komprimierbarkeit der Komprimierzonen gegeben ist, sind Nutbreiten von mindestens 2 mm, bevorzugt mindestens 5 mm vorgesehen. Zusätzlich sind mindestens 3 Nuten in einer Komprimierzone bevorzugt.In an advantageous manner, the compression zones are formed by introducing at least one groove which extends perpendicular to the main surfaces of the insulating material web and which, in the case of a plurality of grooves, are preferably formed parallel to one another. These groove or grooves are z. B. obtained by working out the material of mineral wool and lined up form a kind of crumple zones whose presence makes it possible that with one and the same insulating material very different rafter distances can be bridged. The web areas remaining between the grooves then serve as actual compression zones for the construction of the clamping forces, so that, as a result of groove formation, a clever division of bridging zones and compression areas within the two lateral compression zones results. In order to ensure sufficient compressibility of the compression zones, groove widths of at least 2 mm, preferably at least 5 mm, are provided. In addition, at least 3 grooves in a compression zone are preferred.
Wahlweise ist es möglich, die Nuten entweder von einer Hauptfläche der Klemmschicht her materialherausnehmend einzubringen oder von beiden Hauptflächen der Klemmschicht, wobei die Nuten dann abwechselnd von der einen oder anderen Seite her eingebracht sind.Optionally, it is possible to introduce the grooves materialherausnehmend either from a major surface of the clamping layer ago or from both major surfaces of the clamping layer, wherein the grooves are then alternately introduced from one side or the other.
Alternativ können die Komprimierzonen auch durch andere Verfahren, hier bevorzugt durch einen Walkprozess, d.h. durch ein kontrolliertes Verdichten und anschließendes Entspannen, ausgebildet sein.Alternatively, the compression zones may also be formed by other methods, here preferably by a milling process, i. be formed by a controlled compression and subsequent relaxation.
Schließlich ist es zur Sicherung des Bauwerkes gegenüber Feuchteschäden zweckmäßig, die klemmende Dämmschicht mit einer dampfbremsenden Schicht zu versehen, damit gleichzeitig mit der Dämmschicht ein Schutz vor Raumfeuchte angebracht ist. Besonders bevorzugt ist diese Schicht aus einem feuchteadaptiven Material ausgebildet, welche bei einer geringen Feuchte der die Dampfbremse umgebenden Atmosphäre einen höheren Wasserdampf-Diffusionswiderstand hat als bei einer höheren Feuchte. Zweckmäßigerweise ist diese dampfbremsende Schicht aus einer Folie aus Polyamid hergestellt.Finally, it is expedient to protect the building against moisture damage, to provide the clamping insulating layer with a vapor-damping layer, so that at the same time with the insulation layer protection against room humidity is attached. Particularly preferably, this layer is formed of a moisture-adaptive material which has a higher water vapor diffusion resistance at a low humidity of the atmosphere surrounding the vapor barrier than at a higher humidity. Conveniently, this vapor-damping layer is made of a film of polyamide.
Zweckmäßigerweise wird die dampfbremsende Schicht mit einer größeren Breite ausgebildet als die Nennbreite der eigentlichen Dämmstoffbahn, insbesondere steht die auf der Klemmschicht angeordnete dampfbremsende Schicht beidseitig mit Randstreifen seitlich vor, so dass eine Befestigung des vorstehenden Randstreifen der dampfbremsende Schicht an beispielsweise den Sparren möglich ist. Hierbei ist es zweckmäßig, dass die dampfbremsende Schicht nicht mit der Klemmschicht in beiden seitlichen Komprimierzonen verbunden ist und dort nur lose aufliegt und nur im mittleren Bereich bzw. in der mittleren Zone der klemmenden Dämmstoffschicht eine Anbindung vorliegt. Dadurch können die vorstehenden Randstreifen nach innen geklappt werden und es wird überdies die Klemmwirkung der Komprimierzonen durch die dampfbremsende Schicht nicht beeinträchtigt bzw. gestört.Conveniently, the vapor-damping layer is formed with a greater width than the nominal width of the actual insulation web, in particular, the arranged on the clamping layer vapor barrier layer on both sides with edge strips laterally, so that attachment of the protruding edge strips of the vapor-damping layer, for example, the rafters is possible. In this case, it is expedient that the vapor-damping layer is not connected to the clamping layer in both lateral compression zones and rests there only loosely and there is a connection only in the middle region or in the middle zone of the clamping insulating layer. As a result, the protruding edge strips can be folded inwards and, moreover, the clamping effect of the compression zones is not impaired or disturbed by the vapor-damping layer.
Nachfolgend werden Ausführungsbeispiele der Erfindung anhand der Zeichnung beschrieben. Darin zeigen:
- Fig. 1
- einen Querschnitt durch eine Dämmstoffbahn aus Mineralwolle sowie
- Fig. 2
- eine Schnittansicht einer weiteren Ausführungsform einer Dämmstoffbahn aus Mineralwolle.
- Fig. 1
- a cross section through an insulation web of mineral wool and
- Fig. 2
- a sectional view of another embodiment of an insulating material web of mineral wool.
Die
In den dargestellten Ausführungsbeispielen ist jede der Schichten 2 und 3 für sich materialeinheitlich ausgebildet, d. h. jede dieser Schichten 2 und 3 weist mit Ausnahme herstellungsbedingter Abweichungen über den Querschnitt die selbe Rohdichte und den selben Bindemittelgehalt auf.In the illustrated embodiments, each of the
Nur beispielshalber weist in beiden Ausführungsformen die Klemmschicht 2 eine Rohdichte von 15 kg/m3 und einen Bindemittelgehalt von 6,5 % (trocken) auf, wobei als Bindemittel insbesondere Phenolharz verwendet wird. Die Ausgleichsschicht 3 weist dagegen eine Rohdichte von 10 kg/m3 und einen Bindemittelgehalt von 4,5 % (trocken) auf, wobei dasselbe Bindemittel wie für die Klemmschicht 2 gewählt ist. Je nach Anforderung an die Verlegung der Dämmstoffbahn und Art sowie Qualität der verwendeten Mineralwolle kann die Rohdichte für die Klemmschicht 2 beispielsweise zwischen 10 und 30 kg/m3 und für die Ausgleichsschicht 3 zwischen 8 und 20 kg/m3 gewählt werden.For example only, in both embodiments, the
Der Verbund beider Schichten 2 und 3 zur Dämmstoffbahn ist innig und kann beispielsweise durch eine Klebemittelschicht zwischen den beiden Schichten 2 und 3 gebildet sein. Vorteilhaft ist jedoch der Verbund beider Schichten dadurch erzielt, dass die beiden Schichten 2 und 3 aus mit Bindemittel vernetzten Fasern in Übereinanderanordnung durch einen Aushärteofen geführt werden, so dass sozusagen ein Verbund durch das ausgehärtete Bindemittel im Grenzbereich zwischen den beiden Schichten 2 und 3 erzielt wird.The composite of both
In beiden Ausführungsformen ist die Klemmschicht 2 in drei Zonen untergliedert, nämlich zwei seitlichen Randzonen 6 und 7, die gleich aufgebaut sind und einer dazwischen liegenden mittleren Zone 8. Wie o. a., weisen die drei Klemmschichtzonen 6 bis 8 insbesondere gleiche Rohdichte und gleichen Bindemittelgehalt auf. Allerdings sind die seitlichen Randzonen 6 und 7, die als eigentliche Klemmzonen wirken, unterschiedlich aufbereitet gegenüber der mittleren Zone 8. Im Besonderen sind die Randzonen 6 und 7 mit nebeneinander angeordneten Nuten 9 versehen, die durch Materialherausarbeitung gebildet sind. Diese Nuten 9 sind parallel zueinander und von der oberen Hauptfläche 4 eingebracht. Sie erstrecken sich hierbei über etwa 2/3 der Dicke der Klemmschicht 2. Im dargestellten Ausführungsbeispiel weist jede Randzone 6 und 7 insgesamt 6 Nuten auf, wobei die Nutbreite 5 mm beträgt. Im dargestellten Ausführungsbeispiel, bei der die Dicke der Klemmschicht 70 mm beträgt, weisen die Nuten 9 eine Nuttiefe von etwa 45 mm auf. Im dargestellten Ausführungsbeispiel beträgt die Dicke der Ausgleichsschicht 130 mm, so dass die dargestellte Dämmstoffbahn 1 im nicht eingebauten Zustand eine Gesamtdicke von etwa 200 mm aufweist. Dies bedeutet, dass im vorliegenden Ausführungsbeispiel das Dickenverhältnis Klemmschicht 2 zu Ausgleichsschicht 3 sich etwa wie 2 : 3 verhält. Je nach gewählter Rohdichte und Bindemittelgehalt der beiden Schichten 2 und 3 kann deren Dickenverhältnis auch anders gewählt werden, wobei zweckmäßiger Weise im Sinne einer gleichfalls erfindungsgemäß angestrebten Materialeinsparung die Schichtdicke der Klemmschicht auf die Klemmerfordernisse angepasst ist. Dadurch wird das Gewicht der erfindungsgemäßen Dämmstoffbahn insgesamt optimiert.In both embodiments, the
Die Breite der in den Ausführungsbeispielen dargestellten Randzonen 6 und 7 beträgt 10 % der Nennbreite B der Dämmstoffbahn, im Falle einer Nennbreite B von 1.200 mm also 120 mm.The width of the
Zum Dämmen von mit Sparren ausgebildeten Dächern wird die Dämmstoffbahn 1 zwischen benachbarte Sparren in Längsrichtung vorzugsweise mit der Ausgleichsschicht 3 durch Zusammendrücken ihrer Randzonen zuerst eingelegt und dann unter seitlicher Kompression der beiden Randzonen 6 und 7 der Klemmschicht 2 unter gleichzeitiger Mitnahme der Randzonen der Ausgleichsschicht 3 in die endgültige Einbaulage gebracht, so dass die Dämmstoffbahn 1 press zwischen den Sparren aufgrund Aufbaus von Klemmkräften im Wesentlichen durch die komprimierten Randzonen 6 und 7 sitzt und gehalten ist. Bedarfsweise kann die Dämmstoffbahn auch mit einer Alufolie auf einer der Hauptflächen, vorzugsweise der Hauptfläche der Klemmschicht 2, kaschiert sein, die seitlich über die beiden Ränder der Dämmstoffbahn vorsteht, so dass zusätzlich auch ein Antackern der Dämmstoffbahn an der Sparrenunterfläche erfolgen kann.For insulating roofs formed with rafters, the insulation web 1 between adjacent rafters in the longitudinal direction is preferably first inserted with the
Im Ausführungsbeispiel nach
Die Dampfbremsfolie ist im Ausführungsbeispiel aus einem Material gebildet, welches bei einer relativen Feuchte der die Dampfbremse umgebenden Atmosphäre im Bereich von 30 bis 50 % einen Wasserdampf-Diffusionswiderstand (sd-Wert) von 2 bis 5 m diffusionsäquivalenter Luftschichtdicke und bei einer relativen Feuchte im Bereich von 60 bis 80 % einen Wasserdampf-Diffusionswiderstand (sd-Wert) aufweist, der < 1 m diffusionsäquivalente Luftschichtdicke ist. Im dargestellten Ausführungsbeispiel ist die Dampfbremsfolie aus Polyamid 3, 4 oder 6 gebildet. Die Dampfbremsfolie weist eine Dicke im Bereich von 20 bis 100 µm auf und ist im dargestellten Ausführungsbeispiel mit einer Dicke von 50 µm ausgebildet.The vapor barrier film is formed in the embodiment of a material which at a relative humidity of the atmosphere surrounding the vapor barrier in the range of 30 to 50%, a water vapor diffusion resistance (s d value) of 2 to 5 m diffusion-equivalent air layer thickness and at a relative humidity in the Range of 60 to 80% has a water vapor diffusion resistance (s d value), which is <1 m diffusion-equivalent air layer thickness. In the illustrated embodiment, the vapor barrier film of
Aufgrund ihrer feuchteadaptiven Eigenschaften wird unter winterlichen Bedingungen ein höher Wasserdampfdiffusionswiderstand als unter sommerlichen Verhältnissen erreicht, wodurch die Austrocknung des Gebäudes begünstigt wird, ohne dass unter winterlichen Bedingungen die Feuchtezufuhr einen Wert annehmen kann, der eine Beeinträchtigung der verwendeten Materialien und des Gebäudes hervorrufen kann. Dadurch werden Beschädigungen der verwendeten Baumaterialien aufgrund eindringender Feuchte ausgeschlossen.Due to its moisture-adaptive properties, in winter conditions a higher resistance to water vapor diffusion is achieved than under summer conditions, which favors the dehydration of the building, without the humidity being able to reach a value in wintry conditions that can impair the materials used and the building. As a result, damage to the building materials used due to penetrating moisture is excluded.
Selbstverständlich ist die Dampfbremsfolie nicht auf die beispielhaft angegebenen Materialien, Abmessungen und physikalischen Eigenschaften eingeschränkt.Of course, the vapor barrier film is not limited to the exemplified materials, dimensions and physical properties.
Jedenfalls ist die auf das Produkt bereits bei der Herstellung aufgebrachte dampfbremsende Schicht ein wesentlicher Montagevorteil, zumal wenn die vorstehenden Ränder mit Selbstklebeflächen versehen sind, wodurch in einfacher Weise eine Luftdichtheit der dampfbremsenden Schichten untereinander erreicht werden kann. Ein nachträgliches Aufbringen einer großflächigen dampfbremsenden Schicht entfällt dadurch und somit zusätzliche Montagekosten.In any case, the vapor-barrier layer applied to the product already during manufacture is an essential assembly advantage, especially if the projecting edges are provided with self-adhesive surfaces, whereby air-tightness of the vapor-damping layers can be achieved in a simple manner. A subsequent application of a large-scale vapor-damping layer thereby eliminates and thus additional installation costs.
Claims (17)
- Insulating material sheet made from mineral wool with at least two insulating material layers (2, 3) which extend parallel to the principal surfaces of the insulating material sheet (1) and of which at least one is designed for clamping installation between boundary surfaces, in particular between rafters of roofs, such as steep roofs, or between beams or the like, in particular of wood frame constructions, and of which at least one insulating layer (3) is designed as an equalising layer for adaptation to different beam heights or roof depths, and wherein the insulating material sheet (1) can be wound up to form a roll, characterised in that the clamping insulating layer (2) is divided over its nominal width B into at least three zones (6 to 8) of which the zones (6, 7) located at the two lateral edge sections are of substantially the same construction and differ from the middle zone (8) in such a way that they are constructed as compression zones for clamping installation between the boundary surfaces.
- Insulating material sheet as claimed in Claim 1, characterised in that the compression zones (6, 7) are constructed in such a way that at a nominal width B of the insulating material sheet (1) of preferably between 600 and 1,200 mm these compression zones can be compressed by 1 to 40%, preferably at a nominal width of 1,000 mm they are compressible by 2 to 40% and at a nominal width B of 1,200 mm are compressible by 2 to 17%, thereby generating substantial clamping forces in such a way that the correspondingly compressed insulating material sheet (1) is retained with a clamp fit between the boundary surfaces.
- Insulating material sheet as claimed in Claim 1 or Claim 2, characterised in that the width of each compression zone (6, 7) makes up at least 10%, preferably at least 15% of the nominal width B of the insulating material sheet (1).
- Insulating material sheet as claimed in any one of the preceding claims, characterised in that the compression zones (6, 7) are formed by at least one groove (9) perpendicular to the principal surfaces (4, 5) of the insulating material sheet (1), wherein in particular a plurality of grooves are provided which are disposed adjacent to one another and spaced from one another.
- Insulating material sheet as claimed in Claim 4, characterised in that the groove (9) or the grooves (9) are introduced only from one principal surface of the insulating material sheet.
- Insulating material sheet as claimed in Claim 4, characterised in that the grooves (9) are introduced alternately from both principal surfaces of the clamping layer (2) and overlap one another.
- Insulating material sheet as claimed in any one of Claims 4 to 6, characterised in that the depth of the groove or grooves (9) is approximately 2/3 of the thickness of the clamping insulating layer (2).
- Insulating material sheet as claimed in any one of Claims 4 to 7, characterised in that the number of grooves (9) per compression zone (6, 7) is at least 3.
- Insulating material sheet as claimed in any one of the preceding claims, characterised in that the equalising layer (3) has a nominal thickness in the region of 120 to 250 mm, in particular 160 to 240 mm and the binder content and the bulk density are set so that if the equalising layer (3) is compressed in terms of thickness by up to 30%, preferably up to 25%, the fibre structure of the layer is not destroyed, i.e. the equalising layer (3) springs back substantially to its nominal thickness when the compression is relieved.
- Insulating material sheet as claimed in any one of the preceding claims, characterised in that a steam-diffusing layer is fixed on the free surface (4) of the clamping insulating layer (2).
- Insulating material sheet as claimed in Claim 11, characterised in that the steam-diffusing layer has moisture-adaptive properties.
- Insulating material sheet as claimed in Claim 10 or Claim 11, characterised in that the steam-diffusing layer is a film.
- Insulating material sheet as claimed in any one of Claims 10 to 12, characterised in that the steam-diffusing film is disposed unconnectedly (that is to say without any connection) to the compression zones (6, 7) on the clamping layer (2).
- Insulating material sheet as claimed in any one of Claims 10 to 13, characterised in that the steam-diffusing film (10) has a width greater than the nominal width of the clamping layer (2).
- Insulating material sheet as claimed in any one of Claims 10 to 14, characterised in that with its edge strip the steam-diffusing film (10) overhangs the clamping insulating layer (2) on both sides.
- Insulating material sheet as claimed in any one of Claims 10 to 15, characterised in that the two edge regions of the steam-diffusing film (10), which are disposed unconnectedly or loosely on the compression zones (6, 7), can each be folded by 180° to the centre of the insulating material sheet.
- Insulating material sheet as claimed in any one of Claims 10 to 16, characterised in that self-adhesive surfaces (11) are disposed on the underside of the overhanging edge strips of the steam-diffusing film (10).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005018577A DE102005018577A1 (en) | 2005-04-21 | 2005-04-21 | Mineral wool insulation sheet with an insulation layer for the clamping installation between boundary surfaces |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1715110A2 EP1715110A2 (en) | 2006-10-25 |
EP1715110A3 EP1715110A3 (en) | 2007-08-15 |
EP1715110B1 true EP1715110B1 (en) | 2008-11-26 |
Family
ID=36685978
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06008218A Not-in-force EP1715110B1 (en) | 2005-04-21 | 2006-04-20 | Insulating mineral wool mat with an insulating layer for jamming between delimiting surfaces |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1715110B1 (en) |
AT (1) | ATE415528T1 (en) |
DE (2) | DE102005018577A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009021813A1 (en) * | 2009-04-02 | 2010-10-07 | Ewald Dörken Ag | Insulating agent for the production of a thermal insulation system, thermal insulation system and building envelope with a thermal insulation system |
GR20200100686A (en) * | 2020-11-18 | 2022-06-08 | Thrace Nonwovens Gosynthetics Ανωνυμη Βιομηχανικη Και Εμπορικη Εταιρεια Μη Υφαντων Και Γεωσυνθετικων Προϊοντων, | Roof laminate with flexible edges |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE7830852U1 (en) * | 1979-01-25 | Ruetgerswerke Ag, 6000 Frankfurt | Thermally insulating, moisture, snow and dust repellent to be installed between the rafters of a pitched roof and to be fastened to the rafters | |
US2313345A (en) * | 1939-12-14 | 1943-03-09 | Wood Conversion Co | Thermal insulation |
DE3032867A1 (en) * | 1980-09-01 | 1982-04-15 | Fa. Ph. Kurtz, 6981 Hasloch | Expanded plastic foam panel - for roof insulation with concertina corrugations on rafter side |
DE3033089A1 (en) * | 1980-09-03 | 1982-04-08 | Rheinhold & Mahla Gmbh, 6800 Mannheim | INSULATION INCLINED ROOF |
DE3445453A1 (en) * | 1984-12-13 | 1986-06-26 | Andreas Dipl.-Ing. Derer (FH), 7303 Neuhausen | Variable insulating panel |
DK18293D0 (en) * | 1993-02-17 | 1993-02-17 | Rockwool Int | INSULATION MATTERS |
SI0886704T1 (en) * | 1996-12-23 | 2002-10-31 | Isover Saint-Gobain | An insulating element for clamping installation between roof rafters or beams of other wooden constructions |
-
2005
- 2005-04-21 DE DE102005018577A patent/DE102005018577A1/en not_active Withdrawn
-
2006
- 2006-04-20 AT AT06008218T patent/ATE415528T1/en active
- 2006-04-20 EP EP06008218A patent/EP1715110B1/en not_active Not-in-force
- 2006-04-20 DE DE502006002157T patent/DE502006002157D1/en active Active
Also Published As
Publication number | Publication date |
---|---|
ATE415528T1 (en) | 2008-12-15 |
EP1715110A3 (en) | 2007-08-15 |
DE102005018577A1 (en) | 2006-10-26 |
DE502006002157D1 (en) | 2009-01-08 |
EP1715110A2 (en) | 2006-10-25 |
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