EP0959190A2 - Elément d'isolation thermique - Google Patents

Elément d'isolation thermique Download PDF

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Publication number
EP0959190A2
EP0959190A2 EP99108797A EP99108797A EP0959190A2 EP 0959190 A2 EP0959190 A2 EP 0959190A2 EP 99108797 A EP99108797 A EP 99108797A EP 99108797 A EP99108797 A EP 99108797A EP 0959190 A2 EP0959190 A2 EP 0959190A2
Authority
EP
European Patent Office
Prior art keywords
thermal insulation
cover layers
core plate
insulation element
element according
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.)
Granted
Application number
EP99108797A
Other languages
German (de)
English (en)
Other versions
EP0959190B1 (fr
EP0959190A3 (fr
Inventor
Gerd-Rüdiger Dr.-Ing. Klose
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.)
Deutsche Rockwool Mineralwoll GmbH and Co OHG
Original Assignee
Deutsche Rockwool Mineralwoll GmbH and Co OHG
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 Deutsche Rockwool Mineralwoll GmbH and Co OHG filed Critical Deutsche Rockwool Mineralwoll GmbH and Co OHG
Publication of EP0959190A2 publication Critical patent/EP0959190A2/fr
Publication of EP0959190A3 publication Critical patent/EP0959190A3/fr
Application granted granted Critical
Publication of EP0959190B1 publication Critical patent/EP0959190B1/fr
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
    • E04B1/78—Heat insulating elements
    • E04B1/80—Heat insulating elements slab-shaped
    • 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
    • E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
    • E04C2/284—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating
    • E04C2/296—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating composed of insulating material and non-metallic or unspecified sheet-material
    • 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
    • E04B2001/7683—Fibrous blankets or panels characterised by the orientation of the fibres

Definitions

  • the invention relates to a thermal insulation element for the insulation of Flat roofs and pitched roofs.
  • Thermal insulation elements are laid on flat roofs and sloping roofs.
  • the material thicknesses of the thermal insulation elements laid on flat roofs and sloping roofs have increased continuously as a result of legal requirements. These requirements serve to save heating energy.
  • the current level of the required thermal insulation is defined by a heat transmission coefficient k D ⁇ 0.30 W / m 2 K.
  • mineral wool insulation materials are predominantly installed on flat or sloping roofs. These mineral wool insulation materials are mainly applied to load-bearing roof shells, which mostly consist of profiled sheets for cost reasons.
  • the insulation materials must have sufficient flexural tensile strength so that they can bridge the clear widths between the upper chords of the profiled sheets or are sufficiently load-bearing when cantilevered over an upper chord.
  • the mineral wool insulation materials have bulk densities of more than 120 kg / m 3 , with an average of approx. 145 kg / m 3 being achieved.
  • the basis weight is therefore more than 18.9 kg / m 2 .
  • the use of large format elements with dimensions of 2 mx 1.2 m thus leads to a weight of more than 45 kg per element. Due to their weight, such elements lead to considerable loads on the craftsmen carrying out the laying.
  • rigid foam panels made of expanded or extruded polystyrene, polyurethane or phenolic resin foam instead of the relatively heavy mineral wool insulation panels.
  • these rigid foam panels only have bulk densities of 15 to 20 kg / m 3 , these panels are combustible and, under the influence of high temperatures in the component, tend to change shape, such as irreversible shrinkage or bowls.
  • the invention has for its object to provide a sufficiently stable, in particular tread-resistant thermal insulation element for the insulation of flat roofs and flat-pitched roofs, which is easy to handle due to a low bulk density even with large-sized elements and the requirements in terms of Non-flammability met.
  • a thermal insulation element which consists of a core plate with two large surfaces and top layers of mineral wool fibers arranged on the large surfaces, the core plate consisting of a material whose bulk density is lower than the bulk density of each top layer and the top layers are pressure-resistant in the direction of the surface normal of the large surfaces.
  • thermal insulation element has the advantage that Use a relatively light core plate in combination with two pressure-resistant and fire-resistant cover layers elements with relatively low Weight are created, which is therefore easy to handle are, so that the laying of several layers can be dispensed with.
  • the thermal insulation element according to the invention is therefore suitable for a Covering a flat roof or a flat-pitched roof with sufficiently large elements that allow rapid covering, i.e. in short Periods allowed, so that the requirements in terms of Bridging the top chords is fulfilled.
  • the core plate consists of a rigid foam, such as expanded or extruded polystyrene, polyurethane or phenolic resin foam. These materials have a bulk density between 10 and 30 kg / m 3 , preferably between 15 and 20 kg / m 3.
  • An 8 cm thick core plate with the dimensions 2 mx 1.2 m and a bulk density of 30 kg / m 3 then weighs accordingly 5.76 kg and is easy to handle, even with applied top layers, the top layers providing the necessary pressure resistance and fire resistance of the thermal insulation element.
  • the cover layers are preferably non-positively with the core plate connected, whereby the gluing of the cover layers to the core plate as has proven advantageous.
  • cover layers have fibers that predominantly at right angles to the large surfaces of the core plate are aligned.
  • the hard foam core plate prevents the Sheets over the cavity between the upper chords of the profile sheets when Commit or other stresses are punched.
  • the invention Arrangement of the fibers in the cover layers leads to a higher one Compressive strength or allows the bulk density for a given compressive strength of the mineral wool insulation boards as top layers, thereby reducing considerable cost reductions in the production of corresponding Have thermal insulation elements implemented.
  • the Cover layers are at least 2 cm, preferably 3 cm thick, so that a effective protection against fire from above - flying flames and radiant heat - as is achieved in the event of a fire attack from below.
  • cover layers can be both immediate Inflammation as well as the start of fire prevented or significantly delayed become.
  • thermal decoupling of the cover layers made of mineral wool fibers from the core plate made of rigid foam which is thermal conditional irreversible change in shape of the rigid foam from expanded Polystyrene can be significantly reduced or prevented.
  • the cover layers are preferably slightly laterally above the core plate forth.
  • the supernatant of the Form cover layers in a range between 2 and 5 mm.
  • the cover layers is relatively compressible, a joint-tight To allow laying of the thermal insulation elements.
  • the drawing shows a thermal insulation element 1 for the insulation of Flat roofs and pitched roofs.
  • the thermal insulation element 1 consists of a core plate 2, which has two large surfaces 3 and 4. The large surfaces 3 and 4 run parallel to one another.
  • a covering layer 5 is arranged on each large surface 3 and 4.
  • the Cover layers 5 consist of mineral wool insulation panels, which individual fibers are produced in a manner known per se.
  • the fibers are in the drawing indicated by the reference number 6 and run in substantially perpendicular to the large surfaces 3, 4 of the core plate 2.
  • the core plate 2 consists of a rigid foam, such as expanded or extruded polystyrene, polyurethane or Phenolic resin foam.
  • the large surfaces 3, 4 of the core plate 2 are with the Cover layers 5 glued.
  • cover layers 5 laterally slightly over the The core plate 2 protrude, with the fibers aligned in parallel Flexibility of the cover layers 5 parallel to the large surfaces 3, 4 of the Allow core plate 2, whereas the cover layers 5 parallel to Surface normals of the surfaces 3, 4 have a high compressive strength.
  • a thermal insulation element 1 described above can consist, for example, of a polystyrene rigid foam plate as the core plate 2 with a material thickness of 8 cm and a bulk density of 20 kg / m 3 .
  • On this core plate 2 two cover layers of 3 cm material thickness are applied from mineral wool insulation boards, which have a bulk density of 150 kg / m 3 .
  • the cover layers 5 are glued to the core plate 2 with an adhesive which has a weight of 1 kg / m 2 .
  • Such a thermal insulation element 1 has a weight per unit area of 11.6 kg / m 2 .
  • Compared to a conventional mineral wool insulation board with a normal basis weight of 20.6 kg / m 2 there is a 43% weight reduction, which means a significant simplification of handling.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Acoustics & Sound (AREA)
  • Electromagnetism (AREA)
  • Thermistors And Varistors (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Cable Accessories (AREA)
  • Building Environments (AREA)
  • Laminated Bodies (AREA)
EP99108797A 1998-05-16 1999-05-03 Elément d'isolation thermique Expired - Lifetime EP0959190B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29808924U DE29808924U1 (de) 1998-05-16 1998-05-16 Wärmedämmelement
DE29808924U 1998-05-16

Publications (3)

Publication Number Publication Date
EP0959190A2 true EP0959190A2 (fr) 1999-11-24
EP0959190A3 EP0959190A3 (fr) 2000-02-23
EP0959190B1 EP0959190B1 (fr) 2005-09-07

Family

ID=8057304

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99108797A Expired - Lifetime EP0959190B1 (fr) 1998-05-16 1999-05-03 Elément d'isolation thermique

Country Status (4)

Country Link
EP (1) EP0959190B1 (fr)
AT (1) ATE304091T1 (fr)
DE (2) DE29808924U1 (fr)
DK (1) DK0959190T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014102713A1 (fr) * 2012-12-31 2014-07-03 Rockwool International A/S Panneau isolant rigide

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10104737A1 (de) * 2001-02-02 2002-09-12 Rommersbach Carmen Bauplatte
WO2002099220A1 (fr) † 2001-06-02 2002-12-12 Deutsche Rockwool Mineralwoll Gmbh & Co. Ohg Construction de toit de conception plate et/ou plate inclinee, et element d'isolation associe
DE10261988B4 (de) * 2002-07-19 2007-01-25 Deutsche Rockwool Mineralwoll Gmbh + Co Ohg Dämmschicht aus Mineralfasern
EP2136010A1 (fr) * 2008-06-17 2009-12-23 Rockwool International A/S Système de construction pour structure de construction

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE755178A (fr) * 1969-09-04 1971-02-01 Weinsheim Gmbh Chem Werke Element de couverture prefabrique pour toitures plates
DK3693D0 (da) * 1993-01-14 1993-01-14 Rockwool Int A method of producing a mineral fiber-insulating web, a plant for producing a mineral fiber web, and a mineral fiber-insulated plate
BE1009158A6 (nl) * 1995-02-24 1996-12-03 Cospi Naamloze Vennootschap Verbindingselement voor isolerende panelen.
NL1002686C2 (nl) * 1996-03-22 1997-09-23 Isobouw Systems Bv Samenstel voor het vormen van een dak alsmede dakelement voor een dergelijk samenstel.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014102713A1 (fr) * 2012-12-31 2014-07-03 Rockwool International A/S Panneau isolant rigide

Also Published As

Publication number Publication date
EP0959190B1 (fr) 2005-09-07
DK0959190T3 (da) 2006-01-16
DE59912514D1 (de) 2005-10-13
DE29808924U1 (de) 1998-09-03
EP0959190A3 (fr) 2000-02-23
ATE304091T1 (de) 2005-09-15

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