WO2004053250A1 - Insulating panel for thermal expansion compensation - Google Patents

Insulating panel for thermal expansion compensation Download PDF

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Publication number
WO2004053250A1
WO2004053250A1 PCT/IT2002/000782 IT0200782W WO2004053250A1 WO 2004053250 A1 WO2004053250 A1 WO 2004053250A1 IT 0200782 W IT0200782 W IT 0200782W WO 2004053250 A1 WO2004053250 A1 WO 2004053250A1
Authority
WO
WIPO (PCT)
Prior art keywords
panel
cushion
mineral wool
insulating core
panel according
Prior art date
Application number
PCT/IT2002/000782
Other languages
French (fr)
Inventor
Maurizio Morandi
Original Assignee
Metecno Spa
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 Metecno Spa filed Critical Metecno Spa
Priority to PCT/IT2002/000782 priority Critical patent/WO2004053250A1/en
Priority to AU2002368440A priority patent/AU2002368440A1/en
Priority to AU2003229669A priority patent/AU2003229669A1/en
Priority to US10/538,255 priority patent/US20060174586A1/en
Priority to ZA200504763A priority patent/ZA200504763B/en
Priority to PCT/EP2003/003878 priority patent/WO2004053249A1/en
Priority to PL03375729A priority patent/PL375729A1/en
Priority to EP03722476A priority patent/EP1570140A1/en
Priority to CNB038256045A priority patent/CN100402776C/en
Priority to MXPA05006268A priority patent/MXPA05006268A/en
Publication of WO2004053250A1 publication Critical patent/WO2004053250A1/en
Priority to CO05056500A priority patent/CO5650181A2/en

Links

Classifications

    • 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
    • E04D3/352—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 at least one insulating layer being located between non-insulating layers, e.g. double skin slabs or sheets
    • 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
    • E04C2/292—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 sheet metal
    • 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
    • E04D3/358—Roofing slabs or stiff sheets comprising two or more layers, e.g. for insulation with at least one of the layers being offset with respect to another layer

Definitions

  • the present invention relates to an insulating panel of the "sandwich" type, in which a core of insulating material, generally a synthetic foam, is interposed between two outer faces made of metallic sheet.
  • a core of insulating material generally a synthetic foam
  • These panels are commonly used in the construction of roofing and walls of buildings, prefabricated structures, industrial sheds and the like.
  • WO/9921712 in the name of Process Plastics Limited a composite panel is known in which the outer faces are made of thermoplastic material based on flame- resistant polyester or polycarbonate; between these faces is inte ⁇ osed an insulating core made of phenolic resin foam.
  • this panel In order to increase the flame penetration barrier, in this panel a vitreous layer is applied between the outer faces and the insulating foam.
  • This panel is capable of remedying the drawbacks considered previously in relation to the deformation of the panels having faces made of metallic sheet; however, it is clear that having the faces made of plastics, it cannot have the same mechanical properties such as rigidity or others, as a metallic panel (obviously with equal dimensions).
  • the technical problem which the present invention aims to solve is therefore that of producing a sandwich type panel having outer faces made of metallic sheet and which is capable of remedying the drawbacks described above with reference to the current state of the art.
  • the idea for solving this problem is that of producing a panel able to compensate the thermal effects which occur when its faces are subjected to great differences in temperature, thereby increasing the resistance in the case of fire.
  • Such a panel is characterised in that between at least one of the metallic faces and the core of insulating material, a cushion of mineral wool is applied: this cushion in fact constitutes a fibrous layer, capable of absorbing the slippage which occur between the insulating core and the metallic faces in the plane of the latter, and of thermally protecting the core itself.
  • a panel structure of this type makes it possible to use for the insulating core both a synthetic foam, i.e. a deformable and combustible material which under normal conditions has a good capacity of adhesion and adaptation to the faces of the panel, and rigid slabs of perlite or another material which have a behaviour rather different from that of the faces.
  • a synthetic foam i.e. a deformable and combustible material which under normal conditions has a good capacity of adhesion and adaptation to the faces of the panel, and rigid slabs of perlite or another material which have a behaviour rather different from that of the faces.
  • the mineral wool has a density of between 40 and 200 kg/m 3 and a thickness of between 10% and 50% of that of the insulating core; this thickness will depend on various factors, such as the type of insulating material selected, the dimensions of the panel, the presence of the mineral wool at one or both faces, the conditions of use of the panel, the degree of fire resistance required and the like.
  • Fig. 1 is an axonometric view of a first panel according to the invention
  • Fig. 2 shows the cross-section of the panel of Fig. 1;
  • Fig. 3 shows the cross-section of a second panel of the invention.
  • a whole sandwich type insulating panel is indicated by 1, having two visible faces 2 and 3 made of sheet metal; the metal of such sheets may be steel, copper or aluminium.
  • the face 2 which is the upper face with reference to the figures, has higher trapezoidal stiffening ribs 5 alternating with other, lower ribs indicated by 6, while the face 3, which is the lower face in the figures, has only lighter ribs 7; ribs of this type are however well known in the art and do not therefore require more detailed explanation.
  • insulating material Adjacent to the upper face 2 of the panel there is a core 10 of insulating material, typically an expanded synthetic resin which may be polyurethane, phenolic or some other resin; this material indeed permits complete filling also of the internal space of the deep ribs 5.
  • the insulating core 10 may also be constituted by a rigid slab of perlite or other similar material having good thermal insulation properties.
  • a cushion 12 of mineral wool Between the core 10 and the lower face 3 of the panel 1, however, there is disposed a cushion 12 of mineral wool; the latter preferably has a density of between 40 and 200 kg/m 3 while the thickness S c of the cushion is between 10% and 50%) of the maximum thickness S p of the panel 1.
  • the latter is produced by fixing the cushion 12 of mineral wool to the lower face 3 with a suitable adhesive, of a type which is known per se, and then causing the synthetic foam 10 to expand, as normally occurs in conventional panels.
  • the cushion 12 is locked between the foam insulating core 10 and the lower face 3 of the panel: however, owing to its characteristics, the cushion 12 compensates for the thermal effects acting on the sheet metal with which the lower face 3 is formed.
  • the fibres of the mineral wool are predominantly orientated parallel to the faces of the panel; alternatively, the fibres are orientated in a direction partially transverse thereto, that is to say, in a direction substantially pe ⁇ endicular to the lower face 3. From what has been stated hitherto, it is thus possible to understand how the panel 1 solves the problem underlying the invention.
  • the principal one is that of creating a thermal barrier in the case of fire, protecting the insulating core 10 made of synthetic foam, which has a low fire 105 resistance.
  • the second is that it absorbs the differential thermal actions between the lower face 3 and the insulating core 10 because, as stated above, it does not transmit stresses in the plane of the panel; indeed the relative slippage due to the expansion of the metal is dispersed in the mass of the mineral wool fibres, without
  • the third is that it can absorb the deformation deflection of the lower face 3, when the latter bows as a result of its thermal expansion.
  • the cushion 12 is in fact, within certain limits, compressible so that when the sheet metal forming the lower face 3 of the panel bows (upwards with 115 reference to Figures 1 and 2), the cushion absorbs its deformation without inducing significant stresses in the remainder of the panel: obviously this effect will depend on the thickness of the cushion 12 and on the density of the mineral wool with which it is formed.
  • the latter occupies only a part of the thickness of the entire panel (from 10 to 50%), so as to avoid the problems of condensation within the latter which can be observed in panels whose insulation is made entirely of mineral wool.
  • the panel thus produced has insulating characteristics superior to those of the panels of equal thickness, but having an insulating core formed 125 entirely of mineral wool.
  • Fig. 3 illustrates the cross-section of a second example of a panel according to the invention.
  • this second panel is symmetrical with respect to its median plane and is equipped with two cushions 32 of mineral wool adjacent to its faces 22 and 23, made according to the same criteria explained above. 145 It needs only to be stated that in this case it will be the overall thickness of the two cushions 32 which is between 10 and 50% of the total thickness of the panel.
  • the insulating core 30 may be made of polyurethane or phenolic foam, for which the same considerations stated previously apply; however, as an alternative 150 thereto, the symmetrical form and the substantially plane faces of the panel make it possible to apply a slab of perlite or of extruded or expanded polystyrene.
  • the slab will substitute, wholly or in part, the synthetic foam as insulating material, while the cushions 32 will be fixed to the slab by means of adhesive, likewise it occurs for the outer faces 22 and 23.
  • the panel makes it possible to obtain the same advantageous effects as the first embodiment, although it is heavier when the slab is made of perlite.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Building Environments (AREA)
  • Laminated Bodies (AREA)
  • Panels For Use In Building Construction (AREA)

Abstract

The invention consists of a panel comprising an insulating core (10) and two outer faces (2, 3) made of metallic sheet and disposed on opposite sides with respect thereto, wherein a cushion (12) of mineral wool is arranged between one of the outer faces and the insulating core. In this way a panel is obtained which is capable of compensating for the thermal expansion of the sheet metal, especially in the case of fire.

Description

"Insulating panel for thermal expansion compensation "
The present invention relates to an insulating panel of the "sandwich" type, in which a core of insulating material, generally a synthetic foam, is interposed between two outer faces made of metallic sheet. These panels are commonly used in the construction of roofing and walls of buildings, prefabricated structures, industrial sheds and the like.
A problem which affects insulating panels made of synthetic foam lies in the fact that they have a low fire resistance, since the high temperatures associated with fire lead to detachment of the insulating foam from the metallic faces of the panel, with somewhat negative consequences.
In fact, under these conditions the mechanical properties of the panel are drastically reduced, since the latter no longer behaves as a single body: as a consequence its faces made of sheet metal, customarily ribbed or fretted, which contribute substantially to its flexional rigidity, do not co-operate with the intermediate core of insulating foam, so that there may be collapses in the buildings structures constructed with this type of panels.
In order to remedy this situation, from International Patent Application
WO/9921712 in the name of Process Plastics Limited a composite panel is known in which the outer faces are made of thermoplastic material based on flame- resistant polyester or polycarbonate; between these faces is inteφosed an insulating core made of phenolic resin foam.
In order to increase the flame penetration barrier, in this panel a vitreous layer is applied between the outer faces and the insulating foam.
This panel is capable of remedying the drawbacks considered previously in relation to the deformation of the panels having faces made of metallic sheet; however, it is clear that having the faces made of plastics, it cannot have the same mechanical properties such as rigidity or others, as a metallic panel (obviously with equal dimensions).
The technical problem which the present invention aims to solve, is therefore that of producing a sandwich type panel having outer faces made of metallic sheet and which is capable of remedying the drawbacks described above with reference to the current state of the art.
The idea for solving this problem is that of producing a panel able to compensate the thermal effects which occur when its faces are subjected to great differences in temperature, thereby increasing the resistance in the case of fire.
Such a panel is characterised in that between at least one of the metallic faces and the core of insulating material, a cushion of mineral wool is applied: this cushion in fact constitutes a fibrous layer, capable of absorbing the slippage which occur between the insulating core and the metallic faces in the plane of the latter, and of thermally protecting the core itself.
A panel structure of this type makes it possible to use for the insulating core both a synthetic foam, i.e. a deformable and combustible material which under normal conditions has a good capacity of adhesion and adaptation to the faces of the panel, and rigid slabs of perlite or another material which have a behaviour rather different from that of the faces.
According to a preferred embodiment of the invention, the mineral wool has a density of between 40 and 200 kg/m3 and a thickness of between 10% and 50% of that of the insulating core; this thickness will depend on various factors, such as the type of insulating material selected, the dimensions of the panel, the presence of the mineral wool at one or both faces, the conditions of use of the panel, the degree of fire resistance required and the like.
Further features and advantages of the invention will become clear from the following description, relating to a pair of non- limiting embodiments thereof, shown in the appended drawings, wherein: Fig. 1 is an axonometric view of a first panel according to the invention;
Fig. 2 shows the cross-section of the panel of Fig. 1;
Fig. 3 shows the cross-section of a second panel of the invention.
As can be seen from the drawings, therein a whole sandwich type insulating panel is indicated by 1, having two visible faces 2 and 3 made of sheet metal; the metal of such sheets may be steel, copper or aluminium. In this case the face 2, which is the upper face with reference to the figures, has higher trapezoidal stiffening ribs 5 alternating with other, lower ribs indicated by 6, while the face 3, which is the lower face in the figures, has only lighter ribs 7; ribs of this type are however well known in the art and do not therefore require more detailed explanation.
Adjacent to the upper face 2 of the panel there is a core 10 of insulating material, typically an expanded synthetic resin which may be polyurethane, phenolic or some other resin; this material indeed permits complete filling also of the internal space of the deep ribs 5. However, as will become clearer hereinafter, the insulating core 10 may also be constituted by a rigid slab of perlite or other similar material having good thermal insulation properties.
Between the core 10 and the lower face 3 of the panel 1, however, there is disposed a cushion 12 of mineral wool; the latter preferably has a density of between 40 and 200 kg/m3 while the thickness Sc of the cushion is between 10% and 50%) of the maximum thickness Sp of the panel 1.
The latter is produced by fixing the cushion 12 of mineral wool to the lower face 3 with a suitable adhesive, of a type which is known per se, and then causing the synthetic foam 10 to expand, as normally occurs in conventional panels.
In this way the cushion 12 is locked between the foam insulating core 10 and the lower face 3 of the panel: however, owing to its characteristics, the cushion 12 compensates for the thermal effects acting on the sheet metal with which the lower face 3 is formed. In order to increase this result, according to a preferred embodiment of the invention the fibres of the mineral wool are predominantly orientated parallel to the faces of the panel; alternatively, the fibres are orientated in a direction partially transverse thereto, that is to say, in a direction substantially peφendicular to the lower face 3. From what has been stated hitherto, it is thus possible to understand how the panel 1 solves the problem underlying the invention. This is due to the presence of the cushion of mineral wool 12, which makes it possible to absorb the thermal effects acting on the lower face 3 even in the presence of a high temperature gradient between it and the other face 2, for 95 example owing to solar irradiation or to a fire as explained farther above.
It therefore follows that under such conditions the tensions induced in the panel do not bring about detachment of its components as occurs on the contrary in the prior art, so that it substantially retains its initial mechanical and physical properties; obviously in the case of fire these properties will remain unchanged
100 for a time which will depend on the period of exposure to the flames.
In this context it should be observed that the cushion 12 of mineral wool fulfils various tasks.
The principal one is that of creating a thermal barrier in the case of fire, protecting the insulating core 10 made of synthetic foam, which has a low fire 105 resistance.
The second is that it absorbs the differential thermal actions between the lower face 3 and the insulating core 10 because, as stated above, it does not transmit stresses in the plane of the panel; indeed the relative slippage due to the expansion of the metal is dispersed in the mass of the mineral wool fibres, without
110 reaching the insulating core.
The third is that it can absorb the deformation deflection of the lower face 3, when the latter bows as a result of its thermal expansion.
The cushion 12 is in fact, within certain limits, compressible so that when the sheet metal forming the lower face 3 of the panel bows (upwards with 115 reference to Figures 1 and 2), the cushion absorbs its deformation without inducing significant stresses in the remainder of the panel: obviously this effect will depend on the thickness of the cushion 12 and on the density of the mineral wool with which it is formed.
In this circumstance it should be emphasized that the latter, as can be seen, 120 occupies only a part of the thickness of the entire panel (from 10 to 50%), so as to avoid the problems of condensation within the latter which can be observed in panels whose insulation is made entirely of mineral wool. Moreover, the panel thus produced has insulating characteristics superior to those of the panels of equal thickness, but having an insulating core formed 125 entirely of mineral wool.
Variants of the invention with respect to what has been disclosed hitherto are of course possible.
Mention has already been made above of the various materials usable for the insulating core 10, to which reference will be made again hereinafter. 130 It should then be pointed out that although in the panel of Figures 1 and 2 the cushion 12 is adjacent to the lower face 3, because this solution is without doubt the simplest, it could however be applied on the upper face 2 as well, inserting the mineral wool also into the ribs 5.
Moreover, it is also possible to have panels with two cushions of mineral 135 wool, respectively adjacent to the faces of the panel; this solution is shown in Fig. 3 which illustrates the cross-section of a second example of a panel according to the invention.
In this figure the same reference numbers have been used to indicate the elements structurally or functionally equivalent to those of the first embodiment, 140 adding 20 to each of the numbers; thus, the panel as a whole is indicated by 21, its upper face by 22, the lower by 23, the insulating core by 30, and so on.
As can be seen, this second panel is symmetrical with respect to its median plane and is equipped with two cushions 32 of mineral wool adjacent to its faces 22 and 23, made according to the same criteria explained above. 145 It needs only to be stated that in this case it will be the overall thickness of the two cushions 32 which is between 10 and 50% of the total thickness of the panel.
The insulating core 30 may be made of polyurethane or phenolic foam, for which the same considerations stated previously apply; however, as an alternative 150 thereto, the symmetrical form and the substantially plane faces of the panel make it possible to apply a slab of perlite or of extruded or expanded polystyrene. In a similar variant the slab will substitute, wholly or in part, the synthetic foam as insulating material, while the cushions 32 will be fixed to the slab by means of adhesive, likewise it occurs for the outer faces 22 and 23. 155 It is not difficult to understand that in this case too the panel makes it possible to obtain the same advantageous effects as the first embodiment, although it is heavier when the slab is made of perlite.
As a further variant it should be pointed out that the invention applies also to curved panels, i.e., not flat like those shown in the drawings; this is an
160 important result deriving from the fact of using a cushion of material such as mineral wool, which fits well with the various configurations possible for the panels.
All the variants referred to above, however, come within the scope of the following claims.

Claims

C L A I M S
1. A panel comprising an insulating core (10; 30), two outer faces (2,3; 22, 23) made of metallic sheet disposed on opposite sides with respect to
170 said core, characterised in that it comprises a cushion (12, 32) of mineral wool inteφosed between at least one of said outer faces and the insulating core.
2. A panel according to claim 1, wherein the cushion (10) of mineral wool is fixed to the adjacent face (2, 3; 22, 23) of the panel.
3. A panel according to claim 2, wherein the cushion is fixed to the 175 face (2, 3 ; 22, 23) of the panel by means of adhesive.
4. A panel according to the preceding claims, wherein the thickness of the cushion (12, 32) of mineral wool is between 10 and 50% of the thickness of the panel.
5. A panel according to claim 4, wherein the density of the mineral 180 wool is between 40 and 200 kg/m3.
6. A panel according to the preceding claims, wherein the fibres of the cushion (12, 32) are orientated predominantly in a direction parallel to the ribs of the outer faces (2, 3; 22, 23) or in a direction substantially peφendicular to the latter.
185 7. A panel according to the preceding claims, wherein the insulating core (10, 30) is obtained with a polyurethane or phenolic foam.
8. A panel according to the preceding claims, wherein the insulating core (10, 30) comprises a slab of one of the following materials: perlite, extruded polystyrene or expanded polystyrene.
190
PCT/IT2002/000782 2002-12-11 2002-12-11 Insulating panel for thermal expansion compensation WO2004053250A1 (en)

Priority Applications (11)

Application Number Priority Date Filing Date Title
PCT/IT2002/000782 WO2004053250A1 (en) 2002-12-11 2002-12-11 Insulating panel for thermal expansion compensation
AU2002368440A AU2002368440A1 (en) 2002-12-11 2002-12-11 Insulating panel for thermal expansion compensation
PCT/EP2003/003878 WO2004053249A1 (en) 2002-12-11 2003-04-11 Insulating panel for thermal expansion compensation
US10/538,255 US20060174586A1 (en) 2002-12-11 2003-04-11 Insulating panel for thermal expansion compensation
ZA200504763A ZA200504763B (en) 2002-12-11 2003-04-11 Insulating panel for thermal expansion compensation
AU2003229669A AU2003229669A1 (en) 2002-12-11 2003-04-11 Insulating panel for thermal expansion compensation
PL03375729A PL375729A1 (en) 2002-12-11 2003-04-11 Insulating panel for thermal expansion compensation
EP03722476A EP1570140A1 (en) 2002-12-11 2003-04-11 Insulating panel for thermal expansion compensation
CNB038256045A CN100402776C (en) 2002-12-11 2003-04-11 Insulating panel for thermal expansion compensation
MXPA05006268A MXPA05006268A (en) 2002-12-11 2003-04-11 Insulating panel for thermal expansion compensation.
CO05056500A CO5650181A2 (en) 2002-12-11 2005-06-10 INSULATION PANEL FOR THERMAL EXPANSION COMPENSATION

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IT2002/000782 WO2004053250A1 (en) 2002-12-11 2002-12-11 Insulating panel for thermal expansion compensation

Publications (1)

Publication Number Publication Date
WO2004053250A1 true WO2004053250A1 (en) 2004-06-24

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ID=32500476

Family Applications (2)

Application Number Title Priority Date Filing Date
PCT/IT2002/000782 WO2004053250A1 (en) 2002-12-11 2002-12-11 Insulating panel for thermal expansion compensation
PCT/EP2003/003878 WO2004053249A1 (en) 2002-12-11 2003-04-11 Insulating panel for thermal expansion compensation

Family Applications After (1)

Application Number Title Priority Date Filing Date
PCT/EP2003/003878 WO2004053249A1 (en) 2002-12-11 2003-04-11 Insulating panel for thermal expansion compensation

Country Status (9)

Country Link
US (1) US20060174586A1 (en)
EP (1) EP1570140A1 (en)
CN (1) CN100402776C (en)
AU (2) AU2002368440A1 (en)
CO (1) CO5650181A2 (en)
MX (1) MXPA05006268A (en)
PL (1) PL375729A1 (en)
WO (2) WO2004053250A1 (en)
ZA (1) ZA200504763B (en)

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RU2485259C2 (en) * 2008-10-10 2013-06-20 Арселормитталь Констрюксьон Франс Laminated panel for wall and method of its manufacturing
US8833023B2 (en) 2008-10-10 2014-09-16 Arcelormittal Construction France Composite panel for a wall and method for making same
FR2973819A1 (en) * 2011-04-11 2012-10-12 Advantop Sandwich surfacing panel for manufacturing e.g. suspended ceiling element of room of building, has compensation layer whose thickness is lower than or equal to specific percent of thickness of surfacing layer
WO2012156765A1 (en) * 2011-05-18 2012-11-22 Benko Damir Facade insulation block

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US20060174586A1 (en) 2006-08-10
AU2002368440A1 (en) 2004-06-30
CO5650181A2 (en) 2006-06-30
PL375729A1 (en) 2005-12-12
CN1714210A (en) 2005-12-28
EP1570140A1 (en) 2005-09-07
ZA200504763B (en) 2006-09-27
CN100402776C (en) 2008-07-16
WO2004053249A1 (en) 2004-06-24
MXPA05006268A (en) 2006-04-28
AU2003229669A1 (en) 2004-06-30

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