EP0962604B1 - Toiture thermiquement isolante et acoustiquement absorbante - Google Patents

Toiture thermiquement isolante et acoustiquement absorbante Download PDF

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Publication number
EP0962604B1
EP0962604B1 EP99400859A EP99400859A EP0962604B1 EP 0962604 B1 EP0962604 B1 EP 0962604B1 EP 99400859 A EP99400859 A EP 99400859A EP 99400859 A EP99400859 A EP 99400859A EP 0962604 B1 EP0962604 B1 EP 0962604B1
Authority
EP
European Patent Office
Prior art keywords
layer
porous layer
vapour
shield
vapor barrier
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
EP99400859A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0962604A1 (fr
Inventor
Marc Mullier
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.)
Rockwool Isolation SA
Original Assignee
Rockwool Isolation SA
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9526764&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0962604(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Rockwool Isolation SA filed Critical Rockwool Isolation SA
Priority to DK99400859T priority Critical patent/DK0962604T3/da
Publication of EP0962604A1 publication Critical patent/EP0962604A1/fr
Application granted granted Critical
Publication of EP0962604B1 publication Critical patent/EP0962604B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
    • E04D13/16—Insulating devices or arrangements in so far as the roof covering is concerned, e.g. characterised by the material or composition of the roof insulating material or its integration in the roof structure
    • E04D13/1606—Insulation of the roof covering characterised by its integration in the roof structure
    • E04D13/1643—Insulation of the roof covering characterised by its integration in the roof structure the roof structure being formed by load bearing corrugated sheets, e.g. profiled sheet metal roofs
    • 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
    • E04B1/88—Insulating elements for both heat and sound
    • 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
    • E04B1/82—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 sound only
    • E04B1/84—Sound-absorbing elements
    • E04B2001/8423—Tray or frame type panels or blocks, with or without acoustical filling
    • E04B2001/8433—Tray or frame type panels or blocks, with or without acoustical filling with holes in their face

Definitions

  • the invention relates to a building cover device comprising a ribbed sheet metal support, a vapor barrier having a layer impervious to water vapor, a thermally insulating mat and a waterproofing membrane, mutually superimposed in that order, the waterproofing membrane covering the upper ends of organs assembly which pass through the other constituents mentioned above of the device.
  • Such devices are well known (see for example FR 2 635 603 A) and are defined for example in the French standard NF P 84-206.
  • the impervious layer of the vapor barrier is a thin sheet of aluminum, which is glued, to ensure its mechanical strength and allow its handling, on a glass veil with a mass per unit area of 40 g / m 2 .
  • the vapor barrier does not give the device any sound absorption property.
  • the vapor barrier comprises a thick porous layer conferring acoustic absorption properties. This thick porous layer tends to crash when a person walks on the device, especially when setting it, which causes the following disadvantage.
  • the constituents of the device are generally assembled together by means of screws passing through them.
  • at least a portion of the thickness of the membrane covers the head of the screw. If a person walks in the vicinity of a screw and the porous layer of the vapor barrier crushes at this point, the overlying layers collapse and the screw passes through the second layer of the waterproofing membrane, destroying the waterproofing of the roof.
  • the invention aims in particular at a device of the type defined in the introduction, and provides that the vapor barrier further comprises an open porosity layer with a mass per unit area of at least 240 g / m 2 , giving the device properties of sound absorption and hardly crashing when someone walks on it.
  • vapor barrier refers here to all the layers interposed between the ribbed support and the heat mattress insulator, which is preferably a preconstituted subset, but which can if necessary be composed of layers applied independently.
  • Figures 1 and 2 show the known structure of a device of building cover.
  • This device includes a support 1 perforated ribbed steel sheet, forming gutters 2 trapezoidal profile, open up, extending parallel to each other. The edges of two adjacent gutters are connected to each other by a band of material 3, the different strips 3 extending in a same plan.
  • the support 1 is pierced with a multitude of holes 4 with a radius of 5 mm arranged with a mutual spacing of 12.5 mm.
  • the perforation rate of the support is 22%.
  • Each gutter 2 is filled with a profiled block 5 having a corresponding trapezoidal cross-section, for example formed of mineral wool and surrounded by an impermeable sheet.
  • the latter can be made of high density polyethylene and serves to prevent the emission of dust.
  • Blocks 5 play the role of heat absorbent and / or acoustic.
  • a vapor barrier 6 which will be described later, on which rests a thermal insulation mat 7 for example based of mineral wool.
  • Figure 1 also shows two layers 8 and 9 of a membrane, glued together, as well as the flat head 10 of a screw serving for the mutual assembly of constituents of the device.
  • the lower layer 8 can be crossed by the rod of the screw, the head 10 thereof applying it on the upper face of the insulation blanket 7.
  • the continuity of the waterproofness of the membrane is then ensured by way of the layer 9.
  • the layer 8 may cover the head of the screw and be glued on the mattress 7.
  • the vapor barrier 6 comprises a waterproof upper layer 6a (FIG. an aluminum foil.
  • the sheet 6a is bonded to a porous layer 6b constituted by a fiberglass web having a basis weight of at least 240 g / m 2 .
  • the layer 6b can be obtained by superimposing several layers totaling a mass per unit area of at least 240 g / m 2 .
  • FIG. 3 shows the variation of the acoustic absorption coefficient ⁇ S , measured according to the French standard NF EN 20354, as a function of the median frequency f in hertz.
  • the measurements were carried out on a device according to FIGS. 1 and 2, the insulation blanket being made of rock wool and having a thickness of 60 mm and a density of 160 kg / m 3 , and the sealing membrane being composed of two layers of bitumen each having a thickness of 3.5 mm and a basis weight of 8.8 kg / m 2 .
  • FIG. 4 is similar to FIG. 3, and relating to a cover device in which the blocks 5 have been omitted.
  • the coefficient ⁇ W has also been determined according to draft international standard ISO / DIS 11654. This coefficient is equal to 0.85 with blocks 5 and 0.70 in the absence of these.
  • the invention provides good characteristics sound absorption, especially when the blocks 5 are present, but also when they are omitted.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Electromagnetism (AREA)
  • Building Environments (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
  • Laminated Bodies (AREA)
EP99400859A 1998-05-27 1999-04-08 Toiture thermiquement isolante et acoustiquement absorbante Expired - Lifetime EP0962604B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DK99400859T DK0962604T3 (da) 1998-05-27 1999-04-08 Varmeisolerende og akustisk absorberende tagdækning

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9806676 1998-05-27
FR9806676A FR2779166B1 (fr) 1998-05-27 1998-05-27 Toiture thermiquement isolante et acoustiquement absorbante

Publications (2)

Publication Number Publication Date
EP0962604A1 EP0962604A1 (fr) 1999-12-08
EP0962604B1 true EP0962604B1 (fr) 2004-06-16

Family

ID=9526764

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99400859A Expired - Lifetime EP0962604B1 (fr) 1998-05-27 1999-04-08 Toiture thermiquement isolante et acoustiquement absorbante

Country Status (6)

Country Link
EP (1) EP0962604B1 (da)
AT (1) ATE269460T1 (da)
DE (1) DE69917992T2 (da)
DK (1) DK0962604T3 (da)
ES (1) ES2224567T3 (da)
FR (1) FR2779166B1 (da)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EE01641U1 (et) * 2021-11-11 2024-08-15 Rautaruukki Oyj Akustiline profiil

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1314275B1 (it) * 1999-12-13 2002-12-06 Flii Re S R L Struttura di pannello monolitico arcuato e termicamente edacusticamente isolato, particolarmente adatto per la copertura
FR2827889B1 (fr) * 2001-07-27 2004-10-01 Saint Gobain Isover Systeme d'isolation a fixer ayant une feuille d'etancheite
WO2013093057A1 (en) * 2011-12-22 2013-06-27 Rockwool International A/S Insulating element for the insulation of flat roofs
EP3467230B1 (de) * 2017-10-06 2020-08-12 HILTI Aktiengesellschaft Baugruppe mit profilblech und brandschutz- und oder schallschutzelement sowie brandschutz- und /oder schallschutzelement zur bildung einer baugruppe
US20240426098A1 (en) * 2023-06-22 2024-12-26 CRC Innovation LLC Construction management services, emergency stages and shelters

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2635603B1 (fr) * 1988-08-22 1992-08-14 Smac Acieroid Paroi interieure d'absorption acoustique
GB9125205D0 (en) * 1991-11-27 1992-01-29 Salex Acoustic Materials Limit Improvements in acoustic materials

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EE01641U1 (et) * 2021-11-11 2024-08-15 Rautaruukki Oyj Akustiline profiil

Also Published As

Publication number Publication date
DK0962604T3 (da) 2004-11-01
DE69917992T2 (de) 2005-07-07
ATE269460T1 (de) 2004-07-15
ES2224567T3 (es) 2005-03-01
EP0962604A1 (fr) 1999-12-08
DE69917992D1 (de) 2004-07-22
FR2779166A1 (fr) 1999-12-03
FR2779166B1 (fr) 2000-07-21

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