WO2018061049A1 - Building system for internal insulating counter-walls of buildings - Google Patents

Building system for internal insulating counter-walls of buildings Download PDF

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Publication number
WO2018061049A1
WO2018061049A1 PCT/IT2017/000211 IT2017000211W WO2018061049A1 WO 2018061049 A1 WO2018061049 A1 WO 2018061049A1 IT 2017000211 W IT2017000211 W IT 2017000211W WO 2018061049 A1 WO2018061049 A1 WO 2018061049A1
Authority
WO
WIPO (PCT)
Prior art keywords
panel
building system
thermo
insulating layer
operatively connected
Prior art date
Application number
PCT/IT2017/000211
Other languages
French (fr)
Inventor
Luca GENTILCORE
Original Assignee
Testa, Stefano
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 Testa, Stefano filed Critical Testa, Stefano
Publication of WO2018061049A1 publication Critical patent/WO2018061049A1/en

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • E04B1/7675—Insulating linings for the interior face of exterior walls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B13/00—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B13/00—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material
    • B32B13/04—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such water setting substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B13/08—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such water setting substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of paper or cardboard
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B13/00—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material
    • B32B13/04—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such water setting substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B13/10—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such water setting substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of wood; of wood particle board
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/02—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board the layer being formed of fibres, chips, or particles, e.g. MDF, HDF, OSB, chipboard, particle board, hardboard
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/04—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/04—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B21/042—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material of wood
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    • B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/04—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B21/06—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material of paper or cardboard
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    • B32B29/00—Layered products comprising a layer of paper or cardboard
    • B32B29/002—Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
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    • B32B3/10—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material
    • B32B3/12—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material characterised by a layer of regularly- arranged cells, e.g. a honeycomb structure
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    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/266—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
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    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
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    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/08—Interconnection of layers by mechanical means
    • B32B7/09—Interconnection of layers by mechanical means by stitching, needling or sewing
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    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • 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
    • 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
    • E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
    • E04C2/34—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure composed of two or more spaced sheet-like parts
    • E04C2/36—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure composed of two or more spaced sheet-like parts spaced apart by transversely-placed strip material, e.g. honeycomb panels
    • E04C2/365—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure composed of two or more spaced sheet-like parts spaced apart by transversely-placed strip material, e.g. honeycomb panels by honeycomb structures
    • E—FIXED CONSTRUCTIONS
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    • E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
    • E04C2/38—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure with attached ribs, flanges, or the like, e.g. framed panels
    • E04C2/386—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure with attached ribs, flanges, or the like, e.g. framed panels with a frame of unreconstituted or laminated wood
    • E—FIXED CONSTRUCTIONS
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    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
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    • E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
    • E04C2/38—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure with attached ribs, flanges, or the like, e.g. framed panels
    • E04C2/388—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure with attached ribs, flanges, or the like, e.g. framed panels with a frame of other materials, e.g. fibres, plastics
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • E04B2001/7691—Heat reflecting layers or coatings

Definitions

  • the present invention refers to a building system for internal insulating counter-walls of buildings, composed of prefabricated panels containing a thermo-reflecting multi-layer thin insulating layer.
  • thermo-reflecting multi-layer thin insulating materials are also included.
  • the insulating power of such materials is very high.
  • its textile nature makes its installation very complex, needing a very accurate positioning adapted to create interstitial air chambers of accurate contour sizes.
  • Object of the present invention is solving the above problem of a difficult correct installation of thermos-reflecting thin insulating materials, providing a building system for internal insulating counter-walls of buildings composed of industrially pre- fabricated panels, of a small thickness and high performances, and an easy installation.
  • the further advantage is having available a wholly correct positioning of the insulating layer, which is placed between air chambers having a constant thickness and lacking irregular compression points, which would limit its efficiency (typical irregularities of conventional installation systems) .
  • FIG. 1 is an exploded perspective view of a first preferred embodiment of the building system of the invention
  • FIG. 1A is a side sectional view of the detail of one of the panels of the building system of the invention.
  • FIG. 1 is an assembled side sectional view of the building system of Figure 1;
  • FIG. 3 is an exploded perspective view of a second preferred embodiment of the building system of the invention.
  • FIG. 4 is an assembled side sectional view of the building system of Figure 3.
  • the designed solution deals with a building system of panels for making internal insulating counter-walls, adapted to improve the energy performances of external walls of buildings with any use destination.
  • the objective is making panels with high thermal insulation, having a small thickness (anyway lower than that of existing panels with the same performances) , with an easy installation. Strong advantages in terms of performances, economy and ecology are obtained.
  • Such panels are conceived to be used in energy re- qualification of existing buildings, but can found application also in new constructions.
  • thermo-reflecting thin insulating mattress inside an industrially pre-fabricated composite rigid panel, adapted to be quickly and easily installed in adherence or next to an existing wall of a building.
  • a building system P of the invention for internal insulating counter-walls of buildings according to a first preferred, but not limiting, embodiment, composed of a composite multi-layer panel, which comprises:
  • At least one first buffer panel 1 composed of a rigid slab made of fiber cement or plaster fiber or recycled wood or other material, with variable thickness
  • first macro-porous, spacer panel 2 of the honeycomb type or other geometry composed of a honeycomb panel made of cardboard or wood or other material, whose thickness is included between 10 and 20 mm; the first spacer panel 2 is made integral with the buffer panel 1 through gluing;
  • thermo-reflecting multi-layer thin insulating layer 3 preferably composed of multiple layers of which: two metal - coated coating films 3a, 3b with reinforcing grid 3c, layers of foam 3d alternated with reflecting films 3e, layers of natural insulating material 3f (lambs-wool or the like) , all suitably assembled through thermal gluing or wire stitching;
  • At least one second macro-porous spacer panel 4 composed of a honeycomb panel or other geometry made of cardboard or wood or other material, whose thickness is included between 10 and 20 mm; the second spacer panel 4 is made integral with a second buffer panel 5 through gluing;
  • At least one second buffer panel 5 composed of a rigid slab made of fiber cement or plaster fiber or recycled wood or other material, with variable thickness
  • thermo-reflecting multi-layer thin insulating mattress being capable of being compressed, has an optimum insulating power when it is freely arranged at a certain known thickness
  • Figures 3 and 4 show the building system of the invention in a second embodiment thereof, different from the first due to the presence of only one between the first and the second spacer panel 2 and 4.
  • the insulating layer 3 is therefore in contact with the second buffer panel 5.
  • the composite counter-wall panel described so far allows obtaining a small value of final thermal transmittance , above all due to the integration of the thermo-reflecting layer inside the panel itself.
  • the thermo-reflecting material has very small thicknesses, low values of thermal conductivity and is characterized by its reflecting and low emissive operation. These latter ones are major aspects, which allow increasing the energy performances of the whole system, both during winter, and during summer, and ensure its application in the different climatic areas and the reduction of the energy demand for heating and for cooling.
  • the global stratigraphy of the panel has high thermal hygrometric characteristics without interstitial or surface condensate phenomena
  • the high mechanical resistance of the composite structure confers to the panel optimum strength characteristics as compared with its own weight, much bigger than those for known panels for counter-walls;
  • the panel can be pre-fabricated industrially, allowing the optimum placement of the thermo-reflecting multi-layer thin insulating layer (which determines its optimum performances) , which cannot be obtained with an artisan in a yard; due to its small weight and thickness, its planarity, it can be easily stored, transported, moved (even manually) , and quickly assembled, needing only the on-site installation of its surface finishing.

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  • Architecture (AREA)
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  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
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Abstract

A building system (P) for internal insulating counter-walls of buildings is described, comprising: a first buffer panel (1); a first macro-porous spacer panel (2) operatively connected to the first buffer panel (1); a thermo-reflecting multi-layer thin insulating layer (3) operatively connected to the first macro-porous spacer panel (2), the thermo-reflecting multi-layer thin insulating layer (3) being composed of the following layers: two metal-coated coating films (3a, 3b) with reinforcing grid (3c), and layers of foam (3d) alternated with reflecting films (3e), all suitably assembled through thermal gluing or wire stitching; a second buffer panel (5) operatively connected to the thermo-reflecting multi-layer thin insulating layer (3); and a supporting structure (6) placed on a perimeter of the building system (P).

Description

BUILDING SYSTEM FOR INTERNAL INSULATING COUNTER-WALLS OF BUILDINGS
The present invention refers to a building system for internal insulating counter-walls of buildings, composed of prefabricated panels containing a thermo-reflecting multi-layer thin insulating layer.
The need of making integrative interventions on existing buildings to obtain an improvement of the thermal insulation performances, in terms of protection of the internal living space both in winter, from the cold, and in summer, from heat, has become a priority and is often required by legal standards in force. The increase of the efficiency of the building envelope determines a high reduction of the energy demand for air conditioning, and an improvement of the comfort.
Many techniques and materials are known, to increase the insulating capabilities of the external wall of existing buildings. Such possibilities can be classified into three categories: 1) placing an insulating material outside the existing wall (external coat) ; 2) placing an insulating material in the interstitial recesses of the existing wall; 3) placing an insulating material inside the existing wall (internal coat) . The third, above-described category, the "internal coat", is in many cases the only feasible one (for example when the architectural features of existing facades must not be altered, when one operates only on portions of the building, etc.) .
When an "internal coat" is made, the physical space occupied by the new insulating material decreases the working space of preexisting rooms. For this reason, the relationship between the insulating power of the "internal coat" and its thickness is fundamentally important.
Between the thermal insulating materials used in buildings, thermo-reflecting multi-layer thin insulating materials are also included. The insulating power of such materials is very high. However, its textile nature makes its installation very complex, needing a very accurate positioning adapted to create interstitial air chambers of accurate contour sizes.
This difficulty in installation and the consequent cost increase actually limits a widespread use of these particular thermal insulating materials, which have the best ratio between overall sizes and performances among insulating materials known in buildings .
Object of the present invention is solving the above problem of a difficult correct installation of thermos-reflecting thin insulating materials, providing a building system for internal insulating counter-walls of buildings composed of industrially pre- fabricated panels, of a small thickness and high performances, and an easy installation. The further advantage is having available a wholly correct positioning of the insulating layer, which is placed between air chambers having a constant thickness and lacking irregular compression points, which would limit its efficiency (typical irregularities of conventional installation systems) .
The above and other objects and advantages of the invention, as will result from the following description, are obtained with a building system as claimed in Claim 1. Preferred embodiments and variations of the present invention are the subject matter of the dependent claims.
It is intended that the enclosed claims are an integral part of the present description.
The present invention will be better described by some preferred embodiments thereof, provided as a non-limiting example, with reference to the enclosed drawings, in which:
- Figure 1 is an exploded perspective view of a first preferred embodiment of the building system of the invention;
- Figure 1A is a side sectional view of the detail of one of the panels of the building system of the invention;
- Figure 2 is an assembled side sectional view of the building system of Figure 1;
- Figure 3 is an exploded perspective view of a second preferred embodiment of the building system of the invention; and
- Figure 4 is an assembled side sectional view of the building system of Figure 3.
With reference to the Figures, a preferred embodiment of the building system of the present invention is shown and described.
It will be immediately obvious that numerous variations and modifications (for example related to shape, sizes, arrangements, materials and parts with equivalent functionality) can be made to what is described, without departing from the scope of the present invention, as described in the enclosed claims.
The designed solution deals with a building system of panels for making internal insulating counter-walls, adapted to improve the energy performances of external walls of buildings with any use destination.
The objective is making panels with high thermal insulation, having a small thickness (anyway lower than that of existing panels with the same performances) , with an easy installation. Strong advantages in terms of performances, economy and ecology are obtained.
High insulation and small thickness generate a high energy efficiency of the building envelope with optimum living comfort, associated with a limited reduction of the useful space of preexisting rooms .
Such panels are conceived to be used in energy re- qualification of existing buildings, but can found application also in new constructions.
The requirements of high insulating performances and small thickness are satisfied through the correct positioning from the physical-technical point of view of a thermo-reflecting thin insulating mattress, inside an industrially pre-fabricated composite rigid panel, adapted to be quickly and easily installed in adherence or next to an existing wall of a building.
With reference to Figures 1, 1A and 2, herein below the main components are synthetically described, with their features, for making a building system P of the invention for internal insulating counter-walls of buildings, according to a first preferred, but not limiting, embodiment, composed of a composite multi-layer panel, which comprises:
• at least one first buffer panel 1, composed of a rigid slab made of fiber cement or plaster fiber or recycled wood or other material, with variable thickness;
• at least one first macro-porous, spacer panel 2 of the honeycomb type or other geometry, composed of a honeycomb panel made of cardboard or wood or other material, whose thickness is included between 10 and 20 mm; the first spacer panel 2 is made integral with the buffer panel 1 through gluing;
• at least one thermo-reflecting multi-layer thin insulating layer 3, preferably composed of multiple layers of which: two metal - coated coating films 3a, 3b with reinforcing grid 3c, layers of foam 3d alternated with reflecting films 3e, layers of natural insulating material 3f (lambs-wool or the like) , all suitably assembled through thermal gluing or wire stitching;
• at least one second macro-porous spacer panel 4, composed of a honeycomb panel or other geometry made of cardboard or wood or other material, whose thickness is included between 10 and 20 mm; the second spacer panel 4 is made integral with a second buffer panel 5 through gluing;
• at least one second buffer panel 5, composed of a rigid slab made of fiber cement or plaster fiber or recycled wood or other material, with variable thickness;
• at least one supporting structure 6 placed on a perimeter of the panel, with possible intermediate cross-members 6a, composed of a framework in wooden listels or in synthetic foam or in other materials with a suitable mechanical strength - with thickness useful to create an interstitial space with optimum size depending on the thickness of the insulating layer (the thermo-reflecting multi-layer thin insulating mattress, being capable of being compressed, has an optimum insulating power when it is freely arranged at a certain known thickness) .
Figures 3 and 4 show the building system of the invention in a second embodiment thereof, different from the first due to the presence of only one between the first and the second spacer panel 2 and 4. The insulating layer 3 is therefore in contact with the second buffer panel 5.
As regards the technical features of the building system P of the invention, the composite counter-wall panel described so far allows obtaining a small value of final thermal transmittance , above all due to the integration of the thermo-reflecting layer inside the panel itself. The thermo-reflecting material has very small thicknesses, low values of thermal conductivity and is characterized by its reflecting and low emissive operation. These latter ones are major aspects, which allow increasing the energy performances of the whole system, both during winter, and during summer, and ensure its application in the different climatic areas and the reduction of the energy demand for heating and for cooling.
Moreover, in the described system:
- the global stratigraphy of the panel has high thermal hygrometric characteristics without interstitial or surface condensate phenomena;
- the high mechanical resistance of the composite structure confers to the panel optimum strength characteristics as compared with its own weight, much bigger than those for known panels for counter-walls;
- the panel can be pre-fabricated industrially, allowing the optimum placement of the thermo-reflecting multi-layer thin insulating layer (which determines its optimum performances) , which cannot be obtained with an artisan in a yard; due to its small weight and thickness, its planarity, it can be easily stored, transported, moved (even manually) , and quickly assembled, needing only the on-site installation of its surface finishing.

Claims

1. Building system (P) for internal insulating counter-walls of buildings, characterized in that it comprises:
• at least one first buffer panel (1) ;
• at least one first macro-porous spacer panel (2), operatively connected to said at least one first buffer panel (1) ;
• at least one thermo-reflecting multi-layer thin insulating layer (3) , operatively connected to said at least one first macro-porous spacer panel (2) , said at least one thermo-reflecting multi-layer thin insulating layer (3) being composed of the following layers: two metal-coated coating films (3a, 3b) with reinforcing grid (3c) , and layers of foam (3d) alternated to reflecting films (3e) , all suitably assembled through thermal gluing or wire stitching;
• at least one second buffer panel (5) , operatively connected to said at least one thermo-reflecting multi -layer thin insulating layer (3 ) ; and
• at least one supporting structure (6) , placed on a perimeter of the building system (P) .
2. Building system (P) according to claim 1, characterized in that it further comprises:
• at least one second macro-porous spacer panel (4) , placed between said thermo-reflecting multi-layer thin insulating layer (3) and said at least one buffer panel (5) .
3. Building system (P) according to claim 1 or 2 , characterized in that said at least one first buffer panel (1) is composed of a rigid slab made of fiber cement or plaster fiber or recycled wood, with variable thickness.
Building system (P) according to any one of the previous claims, characterized in that said first spacer panel (2) and said second spacer panel (4) are each composed of a honeycomb panel, preferably made of cardboard or wood, and preferably with a thickness included between 10 and 20 mm.
Building system (P) according to claim 4, characterized in that said first spacer panel (2) is operatively connected to said first buffer panel (1) through gluing and said second spacer panel (4) is operatively connected to said second buffer panel (5) through gluing.
Building system (P) according to claim 1, characterized in that said at least one thermo-reflecting multi-layer thin insulating layer (3) further comprises layers of natural insulating material (3f) of the lambs-wool type.
Building system (P) according to any one of the previous claims, characterized in that said second buffer panel (5) is composed of a rigid slab made of fiber cement or plaster fiber or recycled wood, with variable thickness.
Building system (P) according to any one of the previous claims, characterized in that said supporting structure (6) is further equipped with intermediate cross-members (6a) .
Building system (P) according to claim 8, characterized in that said supporting structure (6) is composed of a framework with wooden listels or in synthetic foam, with thicknesses useful to create an interstitial space with optimum size depending on the thickness of the insulating layer.
PCT/IT2017/000211 2016-09-30 2017-10-02 Building system for internal insulating counter-walls of buildings WO2018061049A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT102016000097524 2016-09-30
IT102016000097524A IT201600097524A1 (en) 2016-09-30 2016-09-30 Construction system for insulating internal counter-walls of buildings

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3616139A (en) * 1969-01-21 1971-10-26 Peter Jones Multilayered thermal insulators
US3994105A (en) * 1972-03-20 1976-11-30 Hughes Aircraft Company Shelter construction
FR2792667A1 (en) * 1999-04-21 2000-10-27 Paul Riedel Multi-layer insulation material, especially for habitable loft rooms, has different layers to prevent transmission of heat, noise and damp

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3616139A (en) * 1969-01-21 1971-10-26 Peter Jones Multilayered thermal insulators
US3994105A (en) * 1972-03-20 1976-11-30 Hughes Aircraft Company Shelter construction
FR2792667A1 (en) * 1999-04-21 2000-10-27 Paul Riedel Multi-layer insulation material, especially for habitable loft rooms, has different layers to prevent transmission of heat, noise and damp

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