EP3666989A1 - Isolation en laine minérale - Google Patents

Isolation en laine minérale Download PDF

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Publication number
EP3666989A1
EP3666989A1 EP19216433.3A EP19216433A EP3666989A1 EP 3666989 A1 EP3666989 A1 EP 3666989A1 EP 19216433 A EP19216433 A EP 19216433A EP 3666989 A1 EP3666989 A1 EP 3666989A1
Authority
EP
European Patent Office
Prior art keywords
mineral wool
hook
insulating
loop fastening
flat roof
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.)
Pending
Application number
EP19216433.3A
Other languages
German (de)
English (en)
Inventor
Markus Mente
Metod BONCA
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.)
Knauf Insulation doo
Original Assignee
Knauf Insulation doo
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 Knauf Insulation doo filed Critical Knauf Insulation doo
Publication of EP3666989A1 publication Critical patent/EP3666989A1/fr
Pending legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D5/00—Roof covering by making use of flexible material, e.g. supplied in roll form
    • E04D5/14—Fastening means therefor
    • E04D5/144—Mechanical fastening means
    • E04D5/147—Mechanical fastening means not perforating the flexible material
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D11/00—Roof covering, as far as not restricted to features covered by only one of groups E04D1/00 - E04D9/00; Roof covering in ways not provided for by groups E04D1/00 - E04D9/00, e.g. built-up roofs, elevated load-supporting roof coverings
    • E04D11/02—Build-up roofs, i.e. consisting of two or more layers bonded together in situ, at least one of the layers being of watertight composition
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D3/00—Roof covering by making use of flat or curved slabs or stiff sheets
    • E04D3/35—Roofing slabs or stiff sheets comprising two or more layers, e.g. for insulation
    • E04D3/351—Roofing slabs or stiff sheets comprising two or more layers, e.g. for insulation at least one of the layers being composed of insulating material, e.g. fibre or foam material
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D5/00—Roof covering by making use of flexible material, e.g. supplied in roll form
    • E04D5/14—Fastening means therefor
    • E04D5/141—Fastening means therefor characterised by the location of the fastening means
    • E04D5/143—Fastening means therefor characterised by the location of the fastening means in the field of the flexible material
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D5/00—Roof covering by making use of flexible material, e.g. supplied in roll form
    • E04D5/14—Fastening means therefor
    • E04D5/144—Mechanical fastening means

Definitions

  • This invention relates to a system for insulating a flat roof.
  • One aim of the present invention is to provide a flat roof insulating system which provides an advantageous combination of ease of manufacturing, suitability for use in a flat roof system and good thermal and fire resistance properties.
  • the present invention provides a roof system as defined in claim 1. Additional aspects of the invention are defined in independent claims. The dependent claims define preferred and/or alternative embodiments.
  • the present invention provides a flat roof insulating system comprising a weatherproof membrane secured to a mineral wool insulating panel, characterised in that:
  • Flat roofs are roofs which are substantially horizontal. Flat roofs may have a slight slope, notably arranged to evacuate water, notably from rainfall; the slope may be less than 10°, less than 5° or less than 2°.
  • the flat roof system may be a warm roof, for example, a warm roof with a built-up felt or asphalt roof covering, a warm roof with a single ply membrane or an inverted/protected membrane/green roof.
  • a vapour control layer for example a polymer sheet, polyethylene sheet, reinforced polyethylene sheet, bitumen layer or bitumen bonded felt, may be provided between the upper surface of the roof and the mineral wool insulation panel.
  • the mineral wool insulation panel may comprise ⁇ 80%wt, preferably ⁇ 90%wt, more preferably ⁇ 95%wt of mineral wool fibres.
  • the mineral wool fibres may comprise glass wool fibres and/or stone wool fibres (also called rock wool fibres).
  • the mineral wool preferably comprises stone wool fibres.
  • the stone wool mineral fibres may comprise: between 30 and 55 wt-% SiO2 and/or between 10 and 30 wt-% Al2O3; and/or an alkali/alkaline-earth ratio of their composition which is ⁇ 1; and/or a combined quantity of CaO and MgO ranging from 20 to 35 wt-%; and/or a combined quantity of Na2O and K2O ⁇ 8 wt%; and/or a total iron content expressed as Fe2O3 of between 4 and 10 wt-%.
  • the stone wool fibres may have a softening point in the range 900-1200°C, notably in the range 1000-1100°C.
  • the amount of shots (or beads) in the mineral wool blanket may be ⁇ 1%wt, a shot being defined as a particle having a largest apparent diameter of less than 60 ⁇ m.
  • the glass mineral wool fibres may comprise: > 55 wt-% silicon oxide (SiO2) and/or ⁇ 10 wt-% aluminium oxide (Al2O3); and/or an alkali/alkaline-earth ratio of their composition which is > 1; and/or a combined quantity of CaO and MgO ⁇ 20 wt-%; and/or a combined quantity of Na2O and K2O > 8%wt.
  • the glass wool fibres may have a softening point in the range 600-750°C, notably in the range 650-700°C.
  • the mineral wool insulating panel may have:
  • the mineral wool insulation panel may comprise a dual density mineral panel, that is to say a mineral wool panel comprising a high density surface layer of mineral wool fibres (notably having i) a thickness which is ⁇ 5mm and/or ⁇ 40 mm and/or ii) a density which is ⁇ 130 kg/m 3 and/or ⁇ 250 Kg/m 3 ) and a lower density underlying layer of mineral wool fibres (notably having i) a thickness which is ⁇ 45mm and/or ⁇ 400 mm and/or ii) a density which is ⁇ 100 kg/m 3 and/or ⁇ 185 kg/m 3 ).
  • the flat roof system may comprise a single layer of mineral wool insulation panels or a plurality of layers comprising a stack of individual mineral wool panels.
  • the mineral wool insulation panel may comprise a mineral wool binder which serves to hold its individual fibres together, notably an organic, thermoset binder.
  • the mineral wool binder may make up ⁇ 2 wt%, ⁇ 2.5 wt% or ⁇ 3 wt% and/or ⁇ 7 wt% or ⁇ 6 wt% or ⁇ 5 wt% of the mineral wool insulation panel.
  • the binder content may be determined by LOI (loss on ignition).
  • the mineral wool binder and the mineral wool insulation panel are formaldehyde free.
  • the mineral wool binder is preferably not a phenol formaldehyde binder.
  • the mineral wool insulation panel (comprising the mineral wool binder) preferably comprises less than 5 ppm or less than detectable limits of free formaldehyde and/or consist of materials which together comprise less than these amounts of free formaldehyde and/or releases levels of formaldehyde in standardised tests adapted to simulate ordinary use which allows it to be classified as having no or undetectable levels of formaldehyde release.
  • such products release less than 10 ⁇ g/m 3 , more preferably less than 5 ⁇ g/m 3 of formaldehyde during the period of 24-48 hours from the start of testing in accordance with ISO 16000.
  • the mineral wool binder may be a sugar based binder, that is to say a binder which is the reaction product(s) of a binder solution whose solid content comprises at least 50 wt% sugar(s).
  • the mineral wool binder may be the reaction product(s) of a binder solution whose solid content comprises at least 70 wt% reducing sugar(s), preferably in combination with a source of nitrogen to form a Maillard reaction product, notably in combination with preferably at least 10 wt% of i) amine(s) and/or ii) carboxylic acid(s).
  • the fibres of the mineral wool insulation panel may be orientated substantially perpendicular to the panel's major surfaces; they may be crimped. Particularly when the mineral wool insulating panel comprises glass wool fibres, the glass wool fibres may be crimped.
  • the mineral wool insulation panel may have a crimp factor which is ⁇ 1.1, ⁇ 1.2, ⁇ 1.3 ⁇ 1.5 or ⁇ 2 and/or ⁇ 4 or ⁇ 3.5.
  • the crimp factor provides an indication of the degree of crimping and thus of fibre re-orientation; it may be assessed by comparing i) the manufacturing line speed of the mineral wool prior to crimping, notably the line speed of the secondary blanket in the case of stone wool insulation with ii) the manufacturing line speed of the mineral wool panel after crimping, notably the line speed of the mineral wool blanket through the curing oven.
  • a crimp factor of 3 indicates a line speed after curing of 1/3 of the line speed prior to crimping.
  • the mineral wool insulation panel preferably has a compressive strength which is ⁇ 30 kPa, ⁇ 40 kPa or ⁇ 55 kPa, notably ⁇ 58 kPa and/or ⁇ 120 kPa, or ⁇ 100 kPa. Compression strength and other properties of the mineral wool insulation panel should be measured in accordance with EN13162 and the specific standards referred to therein.
  • the mineral wool insulation panel preferably has a tensile resistance which is ⁇ 5 kPa, ⁇ 10 kPa and/or ⁇ 40 kPa, or ⁇ 30 kPa. Tensile resistance and other properties of the mineral wool insulation panel should be measured in accordance with EN13162:2012:A1+2015 and the specific standards referred to therein.
  • the mineral wool insulation panel preferably has a fire classification of at least Euroclass A2, preferably of at least A1 as determined under EN 13501-1.
  • the facing may be a veil, for example a woven veil or a non-woven veil.
  • the facing is a non-woven veil.
  • the facing may cover at least 80%, at least 85%, at least 90%, at least 95%, at least 99% or all of the upper surface of the mineral wool insulating panel. Such covering facilitates the manufacturing process of the mineral wool insulating panel.
  • the facing is secured to the upper surface of the mineral wool insulation panel by the same binder as that present in the mineral wool insulation panel.
  • the facing is applied to the upper surface of a mineral wool batt as the batt moves along a manufacturing line, preferably without applying additional binder, and binder present in the batt secures the facing and the batt together during passage through a curing oven to cure the binder.
  • the facing is preferably provided with openings; such openings facilitate curing of the batt in such a method by facilitating passage of heated air though the facing covered batt.
  • the facing may not be passed through a curing oven; it may be secured to the upper surface of the mineral wool insulation panel after the mineral wool has passed through a curing oven.
  • the binder by which the facing is secured to the upper surface of the mineral wool insulation panel may be a hot melt binder, a thermoset binder, an organic binder, an inorganic binder, a poly(vinyl acetate) binder, a polyurethane binder or a water glass binder. It may be a binder as described above in relation to mineral wool binders, notably a binder that is formaldehyde free and which is not a phenol formaldehyde binder.
  • the binder by which the facing is secured to the upper surface of the mineral wool insulation panel may be present in an amount which is ⁇ 5 g/m 2 , ⁇ 10 g/m 2 , ⁇ 15 g/m 2 , ⁇ 30 g/m 2 , ⁇ 40 g/m 2 , ⁇ 50 g/m 2 or 75g/m 2 and/or ⁇ 300 g/m 2 , ⁇ 200g/m 2 , ⁇ 150g/m 2 .
  • the presence of the facing facilitates and improves the adhesion of the one part of the hook and loop fastening system to the mineral wool insulation panel.
  • the openings in the facing when present, may make up a portion of the surface area of the facing which is ⁇ 5%, ⁇ 10%, ⁇ 15%, ⁇ 20%, ⁇ 25%, ⁇ 30%, ⁇ 35%, ⁇ 40% or ⁇ 45% and/or ⁇ 95%, ⁇ 90%, ⁇ 85%, ⁇ 80%, ⁇ 75% or ⁇ 70%.
  • the facing is a veil
  • the fibres of the veil are held together by a veil binder; this may be a thermoset binder.
  • the veil binder may comprise a PVC binder or a PVC based binder.
  • the veil binder may be a binder as described above in relation to mineral wool binders; it may comprise ⁇ 5 wt% or ⁇ 8 wt% and/or ⁇ 30 wt% or ⁇ 28 wt% of the non-woven veil.
  • the facing may comprise a flame retardant, for example comprising a phosphate, borate, hydroxide or aluminium hydroxide.
  • the facing notably when this is a veil, preferably comprises a filler, notably an inorganic filler, for example comprising calcium oxide, calcium hydroxide, aluminium hydroxide, clay, talc, magnesium silicate, hydrated magnesium silicate or mixtures thereof.
  • the filler, or the combination of filler and flame retardant may comprise ⁇ 10 wt%, or ⁇ 15 wt% or ⁇ 20 wt% or ⁇ 25 wt% and/or ⁇ 80 wt%, or ⁇ 70 wt%, or ⁇ 60 wt% of the veil.
  • the veil may be formed by applying the filler to a veil having a weight which is ⁇ 30 g/m 2 or ⁇ 40 g/m 2 or ⁇ 45 g/m 2 and/or ⁇ 100g/m 2 , or ⁇ 80g/m 2 , or ⁇ 70g/m 2 .
  • the veil, including the filler may have a weight which is ⁇ 100 g/m 2 or ⁇ 150 g/m 2 or ⁇ 200 g/m 2 or ⁇ 250 g/m 2 or ⁇ 300 g/m 2 and/or ⁇ 500 g/m 2 , or ⁇ 450 g/m 2 or ⁇ 400 g/m 2 .
  • the veil may have a weight which is ⁇ 200 g/m 2 or ⁇ 250 g/m 2 and/or ⁇ 350 g/m 2 or ⁇ 400 g/m 2 .
  • the veil may comprise a water repellent or hydrophobic agent, for example a fluorocarbon, which may comprise ⁇ 0.5 wt% or ⁇ 1 wt% and/or ⁇ 2 wt% or ⁇ 1.5 wt% of the veil; this may form part of the veil binder.
  • the filler comprises talc
  • this may provide hydrophobic characteristics to the veil.
  • the filler comprises Al 2 O 3 , this may provide fire resistant characteristics to the veil.
  • the veil may be coated on only one of its major surfaces or it may be coated on each of its two major surfaces; the coating may comprise a filler and/or a flame retardant and/or a water repellent or hydrophobic agent, notably as described above.
  • the fibres of the veil may be selected such that at least 80% of the fibres by weight have a diameter which is: AA 0.8-1-2 ⁇ m; A 1.2-2.5 ⁇ m; B 2.5-3.8 ⁇ m; C3.8-5.0 ⁇ m; D 5.0-6.4 ⁇ m; E6.4-7.6 ⁇ m; F 7.6-9.0 ⁇ m; G 9.0-10.2 ⁇ m; H 10.2-11.4 ⁇ m or J 11.4-12.7 ⁇ m.
  • the veil may have a width which is ⁇ 1.5 m or ⁇ 1.8 m and/or ⁇ 2.6 m or ⁇ 2.4 m.
  • the veil may be supplied in the form or a roll; this facilitates application to the mineral wool insulation panel.
  • Such a roll may have: an external diameter which is ⁇ 0.5 m or ⁇ 0.8m and/or ⁇ 1.6 m or ⁇ 1.4 m; it may comprise a continuous length of veil which is ⁇ 800 m or ⁇ 1000 and/or ⁇ 2000 m or ⁇ 1800 m.
  • a preferred facing is a veil having at least the following features:
  • the weatherproof membrane may comprise a single ply membrane. It may be selected from a bitumen membrane, a fully bonded built-up bitumen membrane, mastic asphalt, a polymer membrane, a PVC membrane; an EPDM (ethylene propylene diene terpolymer) membrane.
  • the surface of the mineral wool insulation panel to which the facing is secured may have a point load resistance (measured in accordance with EN12430) which is ⁇ 300 N, ⁇ 450, ⁇ 650 N, ⁇ 750 N, ⁇ 800 N or ⁇ 900 N.
  • the flat roof system may comprise anchors, notably mechanical fixations, for example plastic or metallic anchors, to secure the flat roof insulating system, particularly the mineral wool insulating panel, to the flat roof, particularly a bearing constructions (for example concrete, steel or wood) of the flat roof.
  • anchors notably mechanical fixations, for example plastic or metallic anchors
  • the weight of the mineral wool insulating panel notably in combination with the weight of the membrane, renders additional anchoring of the mineral wool panels to the roof structure unnecessary.
  • attachment of the weatherproof membrane to the mineral wool panels consists of attachment by the hook and loop fastening system; this attachment between the weatherproof membrane and the mineral wool insulation panel preferably provides sufficient peel strength, notably sufficient peel strength to avoid undesired displacement of the weatherproof membrane, for example by wind.
  • the flat roof system notably the mineral wool insulating panel
  • the tensile resistance between the mineral wool insulating panel and the flat roof and/or the bearing construction may be at least 5kPa as determined by EN1607.
  • between one and four anchors are used per mineral wool insulation panel; common know comparable roof systems require a greater number of anchors; preferably at least two anchors are used.
  • the force required to pull through an anchor out of the bearing construction may be at least 200N, preferably at least 400N, as determined by ETAG 004.
  • Facings used in accordance with the present invention provide a valuable combination of advantages, notably:
  • the one part of the hook and loop fastening system, secured to the mineral wool insulating panel may be provided in the form of strips, patches or a layer covering substantially at least 80%, at least 90% or the whole upper surface of the mineral wool insulating panel.
  • part of the hook and loop fastening system is discontinuous, for example when provided in the form of patches or strips, the discontinuous part of the hook and loop fastening system makes up between 20% and 80% of the surface area of the upper surface of the insulating panel to which it is attached.
  • the one part of a hook and loop fastening system is provided in the form of strips, for example provided on the upper major surface of the mineral wool insulating panel, there may be at least two, three or four strips, preferably equally spaced apart from each other.
  • the upper major surface of the mineral wool insulating panel is substantially rectangular and the strips are provided parallel to the shorter sides of the mineral wool insulating panel.
  • the weatherproof membrane is in the form of a roll which is unrolled in the length direction of the mineral wool insulating panel, ie unrolled in the direction parallel to the longer sides.
  • the strips may be provided parallel to the longer sides of the mineral wool insulating panel.
  • the strips may have a width of at least 20 mm , at least 30 mm and/or less than 100 or less than 80mm.
  • the distance separating two adjacent strips at their closest points may be at least 100mm, at least 150mm, or at least 300mm and/or less than 2000mm, less than 1000mm or less than 700mm.
  • the distance between two adjacent strips may be in the range 150-1000. This provides an efficient ratio between the amount of hook and loop fastening system used and the desired peel strength for securing the weatherproof membrane to the mineral wool insulating panel.
  • the shortest distance from an edge of the first and last strips to each of their respective spaced side edges of the mineral wool insulating panel is at least 40mm or at least 50mm. This facilitates manufacturing of the mineral wool panel by avoiding cutting of the mineral wool insulating panel at a position where one part of the hook or loop fastening system is provided in the form of the a strip secured to the upper surface of the mineral wool insulating panel.
  • each strip extends between and up to the edge of opposed sides of the upper major surface of the mineral wool insulating panel.
  • the other part of a hook and loop fastening system, secured to the weatherproof membrane may be provided in the form of strips, patches or a layer covering substantially at least 80%, at least 90% or the whole lower surface of the weatherproof membrane.
  • part of the hook and loop fastening system is discontinuous, for example when provided in the form of patches or strips, the discontinuous part of the hook and loop fastening system makes up between 20% and 80% of the surface area of the lower surface of the weatherproof membrane to which it is attached.
  • part of a hook and loop fastening system is provided in the form of a layer covering at least 80%, at least 90% or preferably the whole lower surface of the weatherproof membrane.
  • the fastened contact surface between the hooks and the loops may be at least 20%, with respect to the total contact surface between the weatherproof membrane and the mineral wool insulating panel.
  • the fastened contact surface is homogeneous over the whole contact surface between the weatherproof membrane and the mineral wool insulating panel, which means that the variation of fastened contact surface is ⁇ 20%, ⁇ 15% or ⁇ 10% when analysing 0.1m 2 of contact surface at two locations spaced apart by at least 60cm or at least 1m. This provides a homogeneous peel strength over the whole contact surface between the weatherproof membrane and the mineral wool insulating panel.
  • the hook and loop fastening system may be secured to the mineral wool insulating panel and/or to the weatherproof membrane by an adhesive.
  • the adhesive may comprise EVA, PU, copolymer, copolyesters and combination thereof.
  • the adhesive may be a hot melt adhesive. The peel strength at 90° between :
  • the hook part of the hook and loop fastening system is provided on the upper surface of the mineral wool insulating panel, notably in the form of strips, and the loop part of the hook and loop fastening system is provided on the lower surface of the weatherproof membrane, notably in the form of a layer covering substantially at least 80% of its lower surface.
  • This configuration facilitates handling of the weatherproof membrane, particularly when the weatherproof is in the form of a roll having its part of the hook and loop fastening system arranged at its externally rolled surface.
  • the loop part of the hook and loop fastening system may be provided on the upper surface of the mineral wool insulating panel, notably in the form of strips, and hook part of the hook and loop fastening system may be provided on the lower surface of the weatherproof membrane, notably in the form of a layer covering substantially at least 80% of its lower surface.
  • the manufacturing process of part of the flat roof insulating system comprises, notably in this order:
  • the part of the hook and loop fastening system secured to the facing of the mineral wool is secured in continuous lengths, notably by being unwound on to the facing of the mineral wool blanket as the mineral wool blanket advances along the manufacturing line, in particular by being unwound in the direction of travel of the mineral wool blanket.
  • the ability to apply the part of the hook and loop fastening system secured to the facing in a continuous on-line process facilitates manufacturing.
  • the part of the hook and loop fastening system secured to the facing may be secured to the facing on mineral wool insulating panels subsequent to the mineral wool blanket having been cut to form the mineral wool insulating panels; this may be used for off-line attachment of the part of the hook and loop fastening system secured to the facing, for example for speciality products.
  • the weatherproof membrane is provided in the form of a roll having its part of the hook and loop fastening system arranged at its externally rolled surface.
  • the part of the hook and loop fastening system is directly arranged towards the lower surface of the weatherproof membrane when unrolling the roll of weatherproof on the upper surface of the mineral wool insulating panel, thus facilitating its installation.
  • the warm deck, single ply roof system 10 of Fig 1 comprises (in sequence from the interior to the exterior of a building) a support structure 11 provided by a metal deck, an optional vapour control layer 12, a mineral wool insulation panel comprising a mineral wool core 22 and a non-woven veil 23, a plurality of spaced hook strips 15 secured to the veil by an adhesive (not shown) and an overlying weatherproof membrane 14 comprising a polymer layer 14a and a loop layer 14b.
  • the single ply membrane 14 is secured to the mineral wool panel 13 by the hooks 15 and loops 14b which form a hook and loop fastening system.
  • the distance d1 which separates two adjacent hook strips is about 60mm and the width w of each hook strips is about 40mm.
  • the flat roof insulation system 13 comprises a core 22 of mineral wool fibres provided on its upper surface with a non-woven veil 23.
  • the non-woven veil 23 is manufactured by applying an inorganic filler comprising talc to a glass veil having a weight of about 50 g/m 2 and comprising glass fibres (diameter AA: 0.8 to 1.2 ⁇ m) retained together by a veil binder.
  • the veil is applied to the mineral wool insulation blanket prior to passage through a curing oven so that binder present in the mineral wool panel secures the facing 23 to the mineral wool insulation blanket upon curing.
  • strips 15 forming the hook part of the hook and loop fastening system are secured to the veil 23 and the blanket is cut into mineral wool insulating panels.
  • weatherproof membrane 14 is secured to the mineral wool insulating panel, the loop part of the hook and loop fastening system (not shown) covering the whole lower major surface of the weatherproof membrane.
  • the strips 15 forming the hook part of the hook and loop fastening system secured to the veil 23 run parallel to the long sides of the rectangular upper major surface of the mineral wool insulating panel.
  • a peel strength test at 90° of a substrate 42 with respect of a coating 43 is illustrated.
  • An adhesive tape 41 secured the coating and the substrate on the coating to a pull-off table 44.
  • the adhesive tape shall have a peel strength greater than the peel strength of the substrate.
  • the substrate and coating have both a width of, for example, about 2 cm. If the minimum force for removing the substrate from the coating is about 100 daN, the peel strength is thus about 50 daN/cm. Similarly, if the width of the substrate/coating would have been about 4 cm and the minimum force still 100 daN, the peel strength would be about 25 daN/cm.
EP19216433.3A 2018-12-14 2019-12-16 Isolation en laine minérale Pending EP3666989A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB1820462.8A GB201820462D0 (en) 2018-12-14 2018-12-14 Mineral wool insulation

Publications (1)

Publication Number Publication Date
EP3666989A1 true EP3666989A1 (fr) 2020-06-17

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP19216433.3A Pending EP3666989A1 (fr) 2018-12-14 2019-12-16 Isolation en laine minérale

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EP (1) EP3666989A1 (fr)
GB (1) GB201820462D0 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4239251A1 (fr) * 2022-02-09 2023-09-06 Knauf Insulation srl Système de chauffage au sol

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19752819A1 (de) * 1997-11-28 1999-06-10 Rockwool Mineralwolle Wärmedämmelement
WO2001081771A2 (fr) * 2000-04-26 2001-11-01 Velcro Industries B.V. Fixation a large membrane de fixation
WO2013098866A1 (fr) * 2011-12-27 2013-07-04 General Membrane S.P.A. Dispositif de fixation permettant de fixer des couches imperméables au moyen d'un système d'attache velcro ou à boucles et crochets sur un toit
GB2552985A (en) * 2016-08-17 2018-02-21 Knauf Insulation Sprl Mineral wool insulation

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19752819A1 (de) * 1997-11-28 1999-06-10 Rockwool Mineralwolle Wärmedämmelement
WO2001081771A2 (fr) * 2000-04-26 2001-11-01 Velcro Industries B.V. Fixation a large membrane de fixation
WO2013098866A1 (fr) * 2011-12-27 2013-07-04 General Membrane S.P.A. Dispositif de fixation permettant de fixer des couches imperméables au moyen d'un système d'attache velcro ou à boucles et crochets sur un toit
GB2552985A (en) * 2016-08-17 2018-02-21 Knauf Insulation Sprl Mineral wool insulation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4239251A1 (fr) * 2022-02-09 2023-09-06 Knauf Insulation srl Système de chauffage au sol

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Publication number Publication date
GB201820462D0 (en) 2019-01-30

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