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FI126566B - Mineraalivillaa oleva ohut eristyslevy kattorakenteita varten ja menetelmä eristyslevyn valmistamiseksi - Google Patents

Mineraalivillaa oleva ohut eristyslevy kattorakenteita varten ja menetelmä eristyslevyn valmistamiseksi Download PDF

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Publication number
FI126566B
FI126566B FI20146038A FI20146038A FI126566B FI 126566 B FI126566 B FI 126566B FI 20146038 A FI20146038 A FI 20146038A FI 20146038 A FI20146038 A FI 20146038A FI 126566 B FI126566 B FI 126566B
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Prior art keywords
mineral wool
sheet
core layer
insulating sheet
coating
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FI20146038A
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English (en)
Swedish (sv)
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FI20146038A7 (fi
Inventor
Mikko Rantala
Mats Walli
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Paroc Group Oy
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Priority to FI20146038A priority Critical patent/FI126566B/fi
Priority to EP15191445.4A priority patent/EP3026163A1/en
Publication of FI20146038A7 publication Critical patent/FI20146038A7/fi
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Publication of FI126566B publication Critical patent/FI126566B/fi

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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
    • 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
    • E04B1/7608—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 a prefabricated insulating layer, disposed between two other layers or panels
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
    • D04H1/74—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being orientated, e.g. in parallel (anisotropic fleeces)
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4209—Inorganic fibres
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4374—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece using different kinds of webs, e.g. by layering webs
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/58—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives
    • D04H1/593—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives to layered webs
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
    • D04H1/76—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres otherwise than in a plane, e.g. in a tubular way
    • 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
    • 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
    • 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
    • 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
    • E04B1/92—Protection against other undesired influences or dangers
    • E04B1/94—Protection against other undesired influences or dangers against fire
    • E04B1/941—Building elements specially adapted therefor
    • E04B1/943—Building elements specially adapted therefor elongated
    • E04B1/944—Building elements specially adapted therefor elongated covered with fire-proofing 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Structural Engineering (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Textile Engineering (AREA)
  • Acoustics & Sound (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Laminated Bodies (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
  • Building Environments (AREA)

Description

Mineraalivillaa oleva ohut eristyslevy kattorakenteita varten ja menetelmä eristyslevyn valmistamiseksi
Esillä olevan keksinnön kohteena on mineraalivillaa oleva ohut eristyslevy kattorakenteita varten, jossa levyssä on mineraalivillaa oleva ydinkerros ja ainakin sen yhdelle puolelle järjestetty taipuisa pinnoite.
Erityisesti loivilla profiilipeltikatoilla käytettävien, mineraalivillaa olevien höyrynsulku-jen alustana toimivien levyjen eräänä ongelma on tullut esiin se, että nykyiset levyt voivat rikkoutua astuttaessa niiden päälle profiilipellin aukon kohdalla. Tämä aiheuttaa korjaustoimenpiteitä ja hidastaa asennustyötä. Rikkoutumisien välttämiseksi joudutaan käyttämään suhteellisen tiheitä ja paksuja ja siten painavia levyjä, jotka osaltaan hidastavat asennustyötä.
Esillä olevan keksinnön päämääränä on aikaansaada parannettu ohut eristyslevy, jonka puristuslujuus- ja taivutuslujuusominaisuudet ovat huomattavasti paremmat kuin perinteisillä levyillä mahdollistaen aiempaa ohuemmat ja kevyemmät rakenteet. Tämän päämäärän saavuttamiseksi keksinnön mukaiselle ohuelle eristyslevylle on tunnusomaista se, että ydinkerros käsittää tyssäämällä muodostetun mineraalivilla-levyn, jossa kuidut pyrkivät tyssäyksen aikana suuntautumaan kohti levyn pääpinto-jen määrittämää tasoa, jonka ydinkerroksen kummallekin puolelle on järjestetty normin EN 13501-1 mukaisen paloluokan AI täyttävä taipuisa pinnoite, joka on kiinnitetty ydinkerrokseen mineraalivillalevyn omalla sideaineella ennen mineraalivillale-vyn karkaisua.
Keksinnön mukaisella sandvvich-rakenteella on huomattavasti parantunut askelkes-tävyys yläpuolen pinnoitteen ottaessa vastaan puristusjännitystä ja alapuolen pinnoitteen ottaessa vastaan vetojännitystä. Tämä mahdollistaa nopeamman asennuksen, kun katolla ei tarvitse asennusvaiheessa varoa askeliaan kuten perinteisiä levyjä käytettäessä. Lisäksi kevyempi rakenne mahdollistaa useamman levyn kantamisen kerrallaan, nopeuttaen osaltaan asennustyötä.
Seuraavassa keksintöä selostetaan lähemmin oheiseen piirustukseen viitaten, jossa: kuvio 1 esittää keksinnön mukaisen ohuen mineraalivillaa olevan eristyslevyn alkutilannetta, ja kuvio 2 kuvion 1 mukaista levyä kaaviollisena periaatekuvana valmiiksi muodostetussa tilassa.
Kuviossa 1 on esitetty mineraalivillalevy 1, jossa kuidut 2 ovat levyn pääpintojen 3, 4 suuntaisissa tasoissa eli kuvan esittämässä tilanteessa olennaisesti vaakasuuntaisissa tasoissa. Levyä tyssätään puristamalla sitä vastakkaisista päistä voimalla F, jolloin kuidut 2 pyrkivät suuntautumaan kohti levyn pääpintoja. Kuviossa 2 on esitetty kaaviollisena periaatekuvana kuitujen suuntaus levyn tyssätyssä tilassa. Kuitujen suuntaus voi todellisessa tilanteessa poiketa huomattavastikin kuvion 2 esittämästä tilanteesta mutta pyrkimyksenä on saada kuidut suunnattua mahdollisimman pystyyn eli kohti levyn pääpintoja. Tyssäyksen jälkeen levyn kummallekin puolelle asetetaan pinnoite 5, 6, esim. lasikuituhuopaa, joka täyttää normin EN 13501-1 mukaisen paloluokan AI vaatimukset. Pinnoite kiinnitetään mineraalivillan omalla sideaineella, jonka jälkeen näin muodostettu molemmin puolin pinnoitettu levyl'viedään karkaistavaksi, jolloin pinnoite kiinnittyy lujasti mineraalivillaa olevaan ydinkerrok-seen. Yläpuolen pinnoite 5 toimii puristusjännityksiä vastaanottavana rakenteena ja alapuolen pinnoite 6 toimii puolestaan vetojännityksiä vastaanottavana rakenteena, esim. astuttaessa levyn päälle profiilipellin aukkokohdassa. Perinteisten levyjen ongelmana on ollut askel kestävyyden puutteiden lisäksi myös niiden riski katketa nostettaessa ja kannettaessa niitä katolla johtuen niiden alhaisemmasta taivutuslujuudesta. Keksinnön mukaisen sandwich-rakenteen ansiosta levyjen kestävyys nostettaessa ja kannettaessa niitä on aiempaa parempi.
Levyn 1' paksuus on edullisesti n. 30 mm ja ytimen muodostavan mineraalivillan tiheys on sopivimmin alueessa n. 120kg/m3-140 kg/m3. Levyn 1' pituus on edullisesti 1800 mm ja leveys 1200 mm. Nämä mitat ovat vain esimerkkejä edullisista arvoista ja keksintöä ei ole tarkoitettu rajoittumaan vain niihin.

Claims (5)

1. Mineraalivillaa oleva ohut eristyslevy kattorakenteita varten, jossa levyssä on mineraalivillaa oleva ydinkerros ja ainakin sen yhdelle puolelle järjestetty taipuisa pinnoite, tunnettu siitä, että ydinkerros käsittää tyssäämällä muodostetun mineraa-livillalevyn (l7), jossa kuidut (2) pyrkivät tyssäyksen aikana suuntautumaan kohti levyn pääpintojen (3, 4) määrittämää tasoa, jonka ydinkerroksen kummallekin puolelle on järjestetty standardin EN 13501-1 mukaisen paloluokan AI täyttävä taipuisa pinnoite (5, 6), joka on kiinnitetty ydin kerrokseen mineraalivillalevyn omalla sideaineella ennen mineraalivillalevyn karkaisua.
2. Patenttivaatimuksen 1 mukainen ohut eristyslevy, tunnettu siitä, että levyn (1') paksuus on n. 30 mm ja tiheys n. 120kg/m3-140 kg/m3.
3. Patenttivaatimuksen 1 tai 2 mukainen ohut eristyslevy, tunnettu siitä, että pinnoite (5, 6) on lasikuituhuopaa.
4.
Menetelmä mineraalivillaa olevan ohuen eristyslevyn valmistamiseksi käytettäväksi kattorakenteissa, jossa levyssä on mineraalivillaa oleva ydinkerros ja ainakin sen yhdelle puolelle järjestetty taipuisa pinnoite, tunnettu siitä, että ydinkerros muodostetaan tyssäämällä mineraalivillalevyä, jossa kuidut (2) ovat olennaisesti levyn pääpintojen (3, 4) suuntaisissa tasoissa, jolloin tyssäyksen aikana kuidut (2) pyrkivät suuntautumaan kohti levyn pääpintojen (3, 4) määrittämää tasoa, jonka mineraali-villaa olevan ydinkerroksen kummallekin puolelle liitetään standardin EN 13501-1 mukaisen paloluokan AI täyttävä taipuisa pinnoite (5, 6) mineraalivillalevyn omalla sideaineella, jonka jälkeen mineraalivillalevy viedään karkaistavaksi. Patentkrav
FI20146038A 2014-11-27 2014-11-27 Mineraalivillaa oleva ohut eristyslevy kattorakenteita varten ja menetelmä eristyslevyn valmistamiseksi FI126566B (fi)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FI20146038A FI126566B (fi) 2014-11-27 2014-11-27 Mineraalivillaa oleva ohut eristyslevy kattorakenteita varten ja menetelmä eristyslevyn valmistamiseksi
EP15191445.4A EP3026163A1 (en) 2014-11-27 2015-10-26 Thin insulation panel of mineral wool for roof structures and method of manufacturing the insulation panel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20146038A FI126566B (fi) 2014-11-27 2014-11-27 Mineraalivillaa oleva ohut eristyslevy kattorakenteita varten ja menetelmä eristyslevyn valmistamiseksi

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FI20146038A7 FI20146038A7 (fi) 2016-05-28
FI126566B true FI126566B (fi) 2017-02-15

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Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3922425A (en) * 1970-09-14 1975-11-25 Owens Corning Fiberglass Corp Roofing board for integration in a built-up roofing structure
IT1011852B (it) * 1973-05-23 1977-02-10 Grunzweig Hartmann U Glasfaser Elemento di costruzione a forma di lastra
US5981024A (en) * 1994-01-28 1999-11-09 Rockwool International A/S Insulating element and method and plant for producing and packaging
DE502005000880D1 (de) * 2004-01-31 2007-08-02 Rockwool Mineralwolle Dämmstoffelement und Wärmedämmverbundsystem

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FI20146038A7 (fi) 2016-05-28

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