EP0415825B1 - Steildachisolierung, insbesondere für alte Konstruktionen - Google Patents

Steildachisolierung, insbesondere für alte Konstruktionen Download PDF

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Publication number
EP0415825B1
EP0415825B1 EP90402344A EP90402344A EP0415825B1 EP 0415825 B1 EP0415825 B1 EP 0415825B1 EP 90402344 A EP90402344 A EP 90402344A EP 90402344 A EP90402344 A EP 90402344A EP 0415825 B1 EP0415825 B1 EP 0415825B1
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EP
European Patent Office
Prior art keywords
rafters
cover layer
plates
covering
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.)
Expired - Lifetime
Application number
EP90402344A
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English (en)
French (fr)
Other versions
EP0415825A1 (de
Inventor
Helmut Wagner
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Saint Gobain Isover SA France
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Saint Gobain Isover SA France
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Saint Gobain Isover SA France filed Critical Saint Gobain Isover SA France
Publication of EP0415825A1 publication Critical patent/EP0415825A1/de
Application granted granted Critical
Publication of EP0415825B1 publication Critical patent/EP0415825B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • 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
    • 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
    • E04B2001/741—Insulation elements with markings, e.g. identification or cutting template

Definitions

  • the invention relates to thermal and / or sound insulation of sloping roofs, in particular for old constructions. More specifically, the invention relates to an insulating product intended to insulate a sloping roof and a method of producing a sloping roof and an insulated sloping roof.
  • this protection - in the form of a stretched strip on the internal face of the roofing - is generally posed in the same framework of the roof, although it was also suggested a direct installation on the face facing the outside of the thermal insulation, installation carried out at the same time as the installation of the latter.
  • the object of the invention is to provide a thermal insulation material, a method for producing a sloping roof space using this thermal insulation material, and a sloping roof space obtainable using this process, including thermal insulation.
  • comprising the plywood can be applied between the rafters from the inside of the roof in a simple and economical manner without any modification of the construction of the rafters, and without removing the covering already present.
  • this strip in longitudinal sections having the consistency of plates, adapted to the gap between two rafters, the cutting edges being wedged in abutment on the rafters, this strip being provided with a plywood glued on the underside and comprising at least a longitudinal edge strip, protruding or unfoldable, and the cutting edges of the plywood covering the plates formed by the longitudinal sections of the strip provide sealing due to wedging between the neighboring flanks of the rafters.
  • the plywood backing has a diffusion equivalent to that of an air layer at most 5 m thick. It can be treated with a hydrophobic agent and is advantageously made of an open pore nonwoven, for example of the glass fiber fleece type.
  • a method of insulating a sloping roof is proposed, the covering of which is already in place, including the provision in the form of rolls of strips as defined above, the cutting of insulating plates in sections whose width corresponds to the gap between two rafters increased by an overhang, the compression of the lateral edges plywood coating the plates thus obtained in order to insert them between the flanks adjacent to the rafters, the wedging of a first insulating plate thus obtained between the rafters, preferably in the ridge area, the cutting edges of the plate coming resting on the rafters, the backing being oriented towards the roof or the construction allowing the roof, the installation of other insulating plates in each area between two rafters of the ridge down, the upper edge of a plate being placed under the plywood strip, two adjoining plates being placed contiguously, creating a seal in the transverse direction of said plates by means of the lat erasers of the plywood by applying them firmly against the flanks adjacent to the rafters, and in the longitudinal direction of the
  • an insulated sloping roof is proposed, in particular for roofs whose cover is already in place, obtained by the implementation of the method as previously proposed, the insulation being obtained by insulating plates.
  • of mineral fibers the width of which corresponds to the width of the areas between two neighboring rafters, increased by an overhang, which are wedged between the rafters by lateral constraint, the face of the insulating plates facing inward being coated with a vapor barrier coating, the face of the insulating plates facing the covering carrying a plating which on the sewer side protrudes by a border beyond the edge of the insulating body of the plates to form a surface for discharging water, and the lateral edges plywood placed between the rafters being compressed between the adjacent flanks of the rafters by wedging to create a seal without any need to overcome the external front sides of the rafters.
  • FIGs 1 and 2 there is shown a strip of mineral wool felt whose front section 2 is unwound.
  • its width is 1200 m corresponding to the maximum production width, its nominal thickness of 100 mm and its length of 6 m.
  • the density is 18 kg / m 3 and the phenolic resin content of 6.6% (dry weight percentage). This results in a material of thermal conductivity group 040.
  • the stiffness of the felt is such that the final unwound section 2 has a plate consistency and is therefore entirely flat with good resistance to punctual penetration.
  • the surface 4 of the web turned towards the inside of the roller 3 has marking lines 5 perpendicular to the side edges 6, and therefore parallel to the front edge 7 and which are intended to facilitate cutting.
  • marking lines 5 perpendicular to the side edges 6, and therefore parallel to the front edge 7 and which are intended to facilitate cutting.
  • lines 5 continuous or formed by a succession of dashes it is however essential that these marking lines 5 are not not formed by notches or similar markings, so that their effect is exclusively optical.
  • a longitudinal section is cut having a length L of 710 mm from the front edge 7 to the line 7 ′, that is to say 10 mm of excess provided for the setting of the plate.
  • the cutting is carried out with the help of the marking lines 5, by applying a knife 8 at the point of the cutting line and by pulling it through the material in the direction of the arrow 9, parallel to the neighboring marking line 5.
  • An insulating plate 10 is thus produced wedged between two rafters, oriented in such a way that the edges 6 are now at the top and at the bottom; the length of the longitudinal section L therefore defines the width of the insulating plate 10.
  • the insulating plate 10 is placed in one of the areas 11 between two neighboring roof rafters 12.
  • the overhang Ü of the longitudinal section L relative to at the width D of the air 11 causes the desired stress of the insulating plate 10.
  • the insulating plate 10 is thus kept all alone by the clamping effect.
  • a plywood 20 is provided on the outside of the roller 3.
  • the plywood 20 is glued to the strip 1.
  • the plywood 20 is hydrophobic, but with open pores with a diffusion equivalent to that of a layer d air of at most 5 m and in the case given here as an example of about 3 m.
  • This backing is therefore vapor permeable. It is advantageously formed of a nonwoven veil of glass fibers, hydrophobic treated.
  • the plywood 20 has on each side border strips 21 with a width of 5 cm which are folded in the roll 3 on the back of the plywood 20 and which thus do not go beyond the side. front of the strip 1.
  • the strip 1 has a very similar appearance to that known from patent DE-A-32 29 601, but with important differences: the plywood 20 does not serve as a vapor barrier and the material of the sheet 1 is made so that it has a consistency of plate during the course and in view of the method of implementation entirely different, markings 5 are absent in patent DE-A-32 29 601.
  • the areas 11 already provided with insulating plates 10 make it clear that only a few insulating plates 10 are necessary to ensure the complete insulation of an area.
  • the upper insulating plate 10 is first put in place, close to the made with, if necessary, a small cutout of the upper edge of the insulating plate 10 according to the shape of the end of the ridge.
  • the border strip 21 oriented downwards is unfolded by 180 °, so that it exceeds the insulating body of the insulating plate 10.
  • the following insulating plate 10 is placed under the insulating plate 10 already positioning, clamped between the rafters 12 and pushed upwards in a sealed position on the first insulating plate 10.
  • the upper edge of the lower insulating plate 10 being located, with its edge strips 21 still folded, under the strips of border 21 outlets of the insulating plate 10 located above.
  • a water discharge surface is formed in the form of a scale, which covers the joint between the insulating plates 10 placed one next to the other.
  • the upper border strip 21 in the installation position has no significant significance, the strip 1 can therefore also have only one border strip 21, in this case it is of course necessary to ensure that that the insulating plate 10 is always placed with its edge strip 21 facing downwards.
  • strips with two edges are generally preferred, the folded edge strips 21 reinforcing the water and snow tightness, the effectiveness of the plywood 20 as an emergency cover by providing effective protection against water pushed up by the wind.
  • transverse joint 13 indicated here in dotted lines is practically invisible to the naked eye.
  • the insulating plates 10 are simply wedged, the lateral edges of the plywood 20 are applied firmly to the flanks adjacent to the rafters and create a sealing. To ensure sealing, it is therefore not necessary to provide an encroachment of the outer front sides of the rafters 12. It is therefore possible to operate without removing the construction 19 allowing the covering, here in the form of latis, without any cost additional perceptible during the installation of the insulating plates 10, the only additional manipulation compared to a usual insulation consisting in the unfolding of the lower edges 21.
  • the width of the longitudinal section L can be reduced in order to produce an insulating plate 10 of lower height in the sewer area of an area 11, this to isolate a residual length less than the width of the strip 1, the residual section can be used for the next area 11, which avoids falling material , but suppose that the strip 1 is provided on each side with a border band 21. If at the end of a strip 1, the final section is shorter than the gap D between two rafters, it can be completed by a section of the beginning of the roll, the longitudinal slot 18 being able to be closed properly as well as the counter-plating 20 by the clamping between the rafters 20. With regard to the use of the border strips 21, there is no this variant no particularity compared to the iso plate monobloc lante 10 of sufficient width.
  • a polyethylene film vapor barrier can be applied over the entire surface. Adhesives possibly strengthen the seal at joint 12a.
  • the vapor barrier preferably has a diffusion equivalent to that of an air layer of 100 m and is therefore to be considered diffusion-tight in comparison with plywood 20. This prevents damage due to humidity in the mineral wool material.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Acoustics & Sound (AREA)
  • Electromagnetism (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
  • Building Environments (AREA)
  • Working Measures On Existing Buildindgs (AREA)

Claims (13)

  1. In Rollenform zur Verfügung gestellte Dämmstoffbahn (1) aus Mineralwollfilz mit einer Rohdichte von 10 bis 30 kg/m3, die an der Einsatzstelle ausrollbar ist und durch Schnitte quer zur Bahnlängsrichtung in Längsabschnitte (L) zerteilbar ist, welche Plattenkonsistenz besitzen und an den Abstand zwischen zwei Dachsparren (12) angepaßt sind, so daß sich ihre Schnittränder an den Dachsparren (12) abstützen und zwischen diesen festgeklemmt sind,
    dadurch gekennzeichnet, daß
    die Dämmstoffbahn (1) mit einer auf ihrer Unterseite aufgeklebten Kaschierung (20) versehen ist, die wenigstens einen in Bahnlängsrichtung verlaufenden, überstehenden oder ausklappbaren Randstreifen (21) aufweist,
    und die Schnittränder der Kaschierung (20) für die aus den Längsabschnitten (L) der Dämmstoffbahn (1) bestehenden Platten aufgrund ihrer Klemmung zwischen den benachbarten Seitenflächen der Dachsparren (12) abdichtend wirken.
  2. Dämmstoffbahn nach Anspruch 1, dadurch gekennzeichnet, daß die Kaschierung (20) eine diffusionsäquivalente Luftschichtdicke von nicht mehr als 5 m aufweist.
  3. Dämmstoffbahn nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Kaschierung (20) wasserabweisend behandelt ist.
  4. Dämmstoffbahn nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Kaschierung (20) ein offenporiges Faservlies, vorzugsweise Glasfaservlies ist.
  5. Verfahren zur Dämmung eines Schrägdaches mit bereits aufgebrachter Dacheindeckkonstruktion (19), mit den folgenden Schritten:
    a) - Bereitstellen von Dämmstoffbahnen in Rollenform gemäß einem der Ansprüche 1 bis 4,
    b) - Schneiden von Dämmplatten (10) in Abschnitte, deren Breite dem Abstand zwischen zwei Dachsparren (12) zuzüglich eines Übermaßes (Ü) entspricht,
    c) - Eindrücken der Seitenkanten der Kaschierung (20), welche die derart hergestellten Platten (10) abdeckt, zwischen die benachbarten Seitenflächen der Dachsparren (12),
    d) - Einklemmen einer derart hergestellten ersten Dämmplatte (10) zwischen den Dachsparren (12), vorzugsweise im Firstbereich, so daß die Schnittränder der Platte (10) sich an den Dachsparren (12) abstützen, wobei die Kaschierung (20) zur Dacheindeckung bzw. zu der die Dacheindeckung (19) ermöglichenden Konstruktion hin ausgerichtet ist,
    e) - Einsetzen weiterer Dämmplatten (10) in jedem Dachsparrenfeld (11) zwischen zwei Dachsparren (12) vom First nach unten fortschreitend, wobei der obere Rand einer Dämmplatte (10) jeweils unter den Randstreifen (21) der Kaschierung (20) gesetzt wird und nebeneinanderliegende Dämmplatten dicht gestoßen werden,
    f) - Herstellen einer Abdichtung (20) in Querrichtung der Platten mittels der Seitenkanten der Kaschierung (20), indem diese fest gegen die benachbarten Seitenflächen der Dachsparren (12) gesetzt werden, sowie in Längsrichtung der Platten, indem der Seitenstreifen der Kaschierung (20) traufenseitig ausgeklappt wird,
    g) - Anbringen einer inneren Foliebahn als Dampfbremse nach dem vollständigen Ausfüllen der Sparrenfelder (11) mit den Platten (10).
  6. Verfahren nach Anspruch 5, dadurch gekennzeichnet, daß eine Kaschierung (20) zur Bildung einer Wasserablauffläche derart ausgewählt wird, daß sie eine diffusionsäquivalente Luftschichtdicke von nicht mehr als 5 m aufweist.
  7. Verfahren nach Anspruch 5 oder 6, dadurch gekennzeichnet, daß die Kaschierung (20) wasserabweisend behandelt ist.
  8. Verfahren nach einem der Ansprüche 5 bis 7, dadurch gekennzeichnet, daß als die Kaschierung (20) ein offenporiges Faservlies, vorzugsweise ein Glasfaservlies ausgewählt wird.
  9. Verfahren nach einem der Ansprüche 5 bis 8, dadurch gekennzeichnet, daß Dämmstoffbahnen (1) aus Mineralwollfilz mit einer Rohdichte von zwischen 10 und 30 kg/m3 verwendet werden.
  10. Gedämmtes Schrägdach, insbesondere für Dächer mit bereits vorhandener Dacheindeckung, hergestellt durch Anwendung des Verfahrens nach einem der Ansprüche 5 bis 9,
    dadurch gekennzeichnet, daß
    die Dämmung durch Dämmplatten (10) aus Mineralfasern hergestellt wird, deren Breite (D) der Breite der Sparrenfelder zwischen zwei benachbarten Dachsparren (12) zuzüglich eines Übermaßes (Ü) entspricht, welche aufgrund einer seitlichen Druckspannung zwischen den Dachsparren (12) durch Klemmwirkung selbsthaltend angebracht sind,
    die raumseitige Oberfläche (4) der Dämmplatten (10) mit einer als Dampfbremse dienenden Kaschierung versehen ist,
    die zur Eindeckung (19) hin gewandte Oberfläche der Dämmplatten (10) eine Kaschierung (20) aufweist, die auf der Traufenseite zur Bildung einer Wasserablauffläche mit einem Randstreifen (21) über den Rand des Dämmkörpers der Dämmplatten vorsteht,
    und die Seitenkanten der zwischen den Dachsparren (12) angeordneten Kaschierung (20) zwischen den Seitenflächen der Dachsparren (12) durch Klemmschluß eingedrückt sind, so daß sie abdichtend wirken.
  11. Schrägdach nach Anspruch 10, dadurch gekennzeichnet, daß die Kaschierung (20) eine diffusionsäquivalente Luftschichtdicke von nicht mehr als 5 m aufweist.
  12. Schrägdach nach Anspruch 10 oder 11, dadurch gekennzeichnet, daß die Kaschierung (20) wasserabweisend behandelt ist.
  13. Schrägdach nach einem der Ansprüche 10 bis 12, dadurch gekennzeichnet, daß die Kaschierung (20) ein offenporiges Faservlies, vorzugsweise Glasfaservlies ist.
EP90402344A 1989-08-30 1990-08-23 Steildachisolierung, insbesondere für alte Konstruktionen Expired - Lifetime EP0415825B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3928741A DE3928741A1 (de) 1989-08-30 1989-08-30 Schraegdach, insbesondere von altbauten, sowie daemmstoffbahn zu seiner daemmung und verfahren zu seiner herstellung
DE3928741 1989-08-30

Publications (2)

Publication Number Publication Date
EP0415825A1 EP0415825A1 (de) 1991-03-06
EP0415825B1 true EP0415825B1 (de) 1997-08-06

Family

ID=6388220

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90402344A Expired - Lifetime EP0415825B1 (de) 1989-08-30 1990-08-23 Steildachisolierung, insbesondere für alte Konstruktionen

Country Status (6)

Country Link
EP (1) EP0415825B1 (de)
AT (1) ATE156553T1 (de)
DD (1) DD297479A5 (de)
DE (1) DE3928741A1 (de)
HU (1) HUT61364A (de)
YU (1) YU48168B (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT402832B (de) * 1994-01-17 1997-09-25 Novoflor Raumtextil Gesmbh Dampfbremse
JP3819039B2 (ja) † 1996-12-23 2006-09-06 サンーゴバン・イソベール 屋根垂木又は他の木材構造物の梁の間のクランプ組付けのための絶縁要素
DE19823419A1 (de) * 1998-05-26 1999-12-02 Kloeber Johannes Zwischen-Sparren-Dämmsystem
DE19913496C5 (de) † 1999-03-25 2021-09-09 Deutsche Rockwool Mineralwoll Gmbh & Co. Ohg Bodendämmelement
EP1111144A1 (de) * 1999-12-23 2001-06-27 Fa. IFKo - Internationale Franchise Konzepte, Unternehmensberatungs- und Beteiligungsges. mbH Deutschland Baukonstruktion zur Minderung der Wärmeverluste von Räumen
DE20120904U1 (de) * 2001-12-31 2002-04-25 Kueppers Stefan Bauwerkstoff mit bahnenförmiger Ausdehnung
DE20210919U1 (de) * 2002-07-19 2002-10-17 Rockwool Mineralwolle Gebäudewand
DE102006009260A1 (de) * 2006-02-28 2007-08-30 Saint-Gobain Isover G+H Ag System zur Dämmung, insbesondere Wärmedämmung von Gebäuden, insbesondere Dächern
CH702667A1 (de) 2010-02-04 2011-08-15 Flumroc Ag Wärmedämmung zur Verlegung auf eine Schalung über einer Balkenlage.
GB2485364B (en) * 2010-11-11 2012-11-07 David Martin A system of pitched roof insulation

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3033091A1 (de) * 1980-09-03 1982-04-08 Bayer Ag, 5090 Leverkusen Gedaemmtes einschaliges dach
DE3235246A1 (de) * 1982-09-23 1984-03-29 Grünzweig + Hartmann und Glasfaser AG, 6700 Ludwigshafen Waermedaemmbahn zur waermedaemmung eines steildaches im raum zwischen den dachsparren, sowie hiermit gedaemmtes steildach
DE3238861A1 (de) * 1982-10-20 1984-05-03 Franz Josef 7940 Riedlingen Linzmeier Schraegdachkonstruktion
DE3343535A1 (de) * 1983-12-01 1985-08-14 Bayer Ag, 5090 Leverkusen Waermegedaemmtes, hinterlueftetes dach
DE3612858C1 (de) * 1986-04-16 1987-10-01 Gruenzweig Hartmann Glasfaser Verfahren zum Einbau von in Rollenform vorliegendem Mineralfasermaterial in einen von seitlichen Stuetzen begrenzten langgestreckten Einbauraum sowie zur Durchfuehrung des Verfahrens geeignete Mineralfaserbahn und Verfahren zu deren Herstellung
DE3615109C2 (de) * 1986-05-03 1996-06-13 Gruenzweig & Hartmann Unterdach für mit Dacheindeckungsplatten eingedeckte Sparrendächer

Also Published As

Publication number Publication date
DD297479A5 (de) 1992-01-09
DE3928741A1 (de) 1991-03-07
ATE156553T1 (de) 1997-08-15
EP0415825A1 (de) 1991-03-06
HU905680D0 (en) 1991-03-28
HUT61364A (en) 1992-12-28
YU164390A (sh) 1994-06-24
YU48168B (sh) 1997-07-31

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