EP1926863A1 - An insulation element for fitting between elongated members in a framework of a building structure - Google Patents

An insulation element for fitting between elongated members in a framework of a building structure

Info

Publication number
EP1926863A1
EP1926863A1 EP06792136A EP06792136A EP1926863A1 EP 1926863 A1 EP1926863 A1 EP 1926863A1 EP 06792136 A EP06792136 A EP 06792136A EP 06792136 A EP06792136 A EP 06792136A EP 1926863 A1 EP1926863 A1 EP 1926863A1
Authority
EP
European Patent Office
Prior art keywords
insulation element
insulation
trim
element according
flexible
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.)
Granted
Application number
EP06792136A
Other languages
German (de)
French (fr)
Other versions
EP1926863B1 (en
Inventor
Flemming Jepsen
Kenn Christensen
Gorm Rosenberg
Gerhard Kallweit
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rockwool AS
Original Assignee
Rockwool International AS
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 Rockwool International AS filed Critical Rockwool International AS
Priority to PL06792136T priority Critical patent/PL1926863T3/en
Priority to EP06792136.1A priority patent/EP1926863B1/en
Publication of EP1926863A1 publication Critical patent/EP1926863A1/en
Application granted granted Critical
Publication of EP1926863B1 publication Critical patent/EP1926863B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
    • E04D13/16—Insulating devices or arrangements in so far as the roof covering is concerned, e.g. characterised by the material or composition of the roof insulating material or its integration in the roof structure
    • E04D13/1606—Insulation of the roof covering characterised by its integration in the roof structure
    • E04D13/1612—Insulation of the roof covering characterised by its integration in the roof structure the roof structure comprising a supporting framework of roof purlins or rafters
    • E04D13/1625—Insulation of the roof covering characterised by its integration in the roof structure the roof structure comprising a supporting framework of roof purlins or rafters with means for supporting the insulating material between the purlins or rafters
    • E04D13/1631—Insulation of the roof covering characterised by its integration in the roof structure the roof structure comprising a supporting framework of roof purlins or rafters with means for supporting the insulating material between the purlins or rafters the means deriving from the nature or the shape of the insulating material itself
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • E04B1/7654—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only comprising an insulating layer, disposed between two longitudinal supporting elements, e.g. to insulate ceilings
    • E04B1/7658—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only comprising an insulating layer, disposed between two longitudinal supporting elements, e.g. to insulate ceilings comprising fiber insulation, e.g. as panels or loose filled fibres
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • E04B2001/7695—Panels with adjustable width

Definitions

  • the present invention relates to an insulation element for fitting between elongated members in a framework of a building structure, such as between rafters, beams or the like, said insulation element having substantially parallel first and second sides and substantially parallel third and fourth sides, exhibiting a first side portion and a substantially parallel opposing second side portion.
  • Building structures typically comprise a framework with a number of elongated members, such as rafters, joists etc, defining a number of cavities with the elongated members of the framework as cavity walls.
  • a roof structure comprises a number of rafters with a certain distance apart. It is typically required that a roof or a floor structure must be insulated and therefore insulation panels are fitted in these cavities.
  • fibrous insulation material is often used. Such fibrous insulation materials, such as glass wool, stone wool or other fibrous material panels, may be provided in rectangular building elements or as a roll.
  • the distance between the elongated members of the framework in a building structure may vary from one structure to another or even within the same building structure. In roof structures the distance may vary from e.g. 550-950 mm.
  • the insulation material is somewhat flexible there are limitations as to how compressible the insulation elements can be subjected to before the compressed element may bend out of the cavity if the insulation element is too compressed when fitted between the rafters and beams. Therefore, insulation elements of the initially mentioned kind must be manufactured in many different sizes in order to ensure a correct fit.
  • An advantage with this kind of fibrous insulation slab product is that it can be cut into an appropriate size and is easy install and easy for the inexperienced builder, such as the DIY builder, to understand and makes it easy to fit a suitable insulation to a building structure, such as a roof a wall or a floor structure.
  • a building structure such as a roof a wall or a floor structure.
  • In order to fit the insulation slabs they must be cut into size. This results in a high amount of waste material which is inconvenient for many reasons, such as costs and environmental concerns.
  • DIY do-it- yourself
  • an object of the present invention is to provide an insulation element that allows for a broader range of use making it more attractive to building material retailers as well as their customers.
  • an insulation element of the initially mentioned kind wherein at least said first side portion is provided as a trim portion, which is provided with a cutting marking substantially parallel with the first side thereby defining a elongated trim section along the first side, said trim section having a predetermined width; and at least said second side portion is provided as a flexible zone extending along the second side and comprising a flexible section of the insulation element, which is substantially less rigid and which has a predetermined width.
  • the insulation element according to the invention may be made of any insulating material. Often a fibrous insulation material is preferred. Especially mineral wool, such as stone wool or glass wool is preferred.
  • An insulation element according to the invention is suitable for fitting within a wide range in the distance between elongated members in a building framework.
  • the advantage of an insulation element according to the invention is this combination of a trim portion and a soft flexible portion on the opposite side of the trim portion. This makes the fitting of the insulation element easier and contributes to achieving a good insulation result, so that the insulation is not too compressed or is too loosely fitted.
  • An insulation element according to the invention is cost effective in production, whereby a low-priced fibrous insulation element for a wide range of use in building structures may be achieved.
  • the flexible zone along the section side is made less rigid during the manufacture, e.g. by pressing rollers into the zone and moving them along the edge.
  • This has the advantage that this zone is compressible and may be compressed in order to fit between the rafters and beams of the building structure, e.g. two rafters or the like. If the compression of the second side is not sufficient for obtaining a good fitting of the insulation element, i.e. if the distance between the cavity walls is smaller, the trim portion on the side opposite the flexible portion of the rectangular insulation slab may be cut off whereby the width of the insulation element is reduced.
  • the need for trimming the insulation element by cutting off the trim section becomes easily visible.
  • trim zone extends beyond the second rafter, i.e. the transition between the trim zone and the rest of the insulation element is positioned above the rafter.
  • This transition may be marked with a cutting line marking the trim portion and making it easy for the builder to cut away the trim portion and fit the insulation slab. With the pre-cut cutting line, the trim portion will have a regular shape when cut away which makes it suitable for reuse e.g. to fit into small cavities the building structure.
  • the advantage of an insulation element according to the invention the need for different formats is significantly reduced in order to cover the varying framework distances involved in building insulation.
  • the third side of the insulation element may be provided with a trim portion extending along the third side and the fourth side of the rectangular insulation element may be provided with a flexible zone comprising a flexible section extending along the fourth side.
  • the insulation element is provided with flex/trim capability in both orientations. This means that the range of use is doubled for one format.
  • trim section width is substantially equal to the flexible section width and wherein the first and second sides are provided with a length substantially equal to the sum of the width of the flexible zone, the width of the trim zone and the length of the third and fourth sides.
  • the at least one flexible zone is provided by softening the respective side by compressing the edge during manufacture and thereby reducing the fibre bonding in the flexible section.
  • the fibre bondings are broken making the fibrous insulation element for flexible without reducing the density and without significantly influencing the thermal insulation properties.
  • the at least one trim portion is provided by a cutting line parallel to the trim side, i.e. the first - respectively third - side.
  • this cutting line may be a visual line marker.
  • said cutting line is a pre-cut slit having a depth less than the thickness of the panel, preferably at least 50 mm and wherein said slit being substantially parallel to the trim side, i.e. the first - respectively third - side.
  • the insulation element is a mineral fibre batt.
  • the present invention also relates to other types of fibrous insulation materials.
  • the insulation element is provided with a density of 25-45 kg/m 2 , preferably 28-35 kg/m 2 .
  • the insulation element is provided with a thickness between 100 and 400 mm, more preferably approx. 140 mm, 160 mm, 180 mm or 200 mm.
  • the insulation element is provided with a first top layer having a first density and a second layer having a second density, said first density preferably being larger than the second density.
  • first density preferably being larger than the second density.
  • the insulation element according to the invention has a substantially rectangular shape, but it is realised that other forms could be provided without departing from the invention.
  • Fig. 1 is a schematic top view of an insulation element according to a first embodiment of the invention
  • Fig. 2 is a schematic top view of an insulation element according to a second embodiment of the invention
  • Fig. 3 is a perspective view of the insulation element in fig. 2; Figs. 4 and 5 are schematic views illustrating the use of an insulation element according to the invention; Fig. 6 shows an example of a series variation of distances between building structure members for receiving insulation elements; and Figs. 7 and 8 show examples of insulation elements according to some preferred embodiments of the invention fit to the series of distances shown in fig.
  • Figure 1 shows a first embodiment of an insulation element 1 is having a rectangular shape with first and second sides having a length / and third and fourth sides with a width d.
  • the opposing first and second sides are provided with a trim portion 3 and a flexible portion 4, respectively.
  • the trim portion 3 is separated from the rest of the insulation element 1 by a cutting line 7.
  • the width of the trim portion is d t and the width of the flexible portion is d f .
  • FIG 1 the most basic embodiment of an insulation element according to the invention is shown.
  • a second embodiment is shown, where a second trim portion 5 is also provided along the third side and a flexible portion 6 is also provided along the fourth side.
  • the cutting lines 7, 8 may be printed lines on the top surface of the insulation panel 1 or - as shown in fig. 3 - pre-cuts 7, 8 partially separating the trim portions 3, 5 from the rest of insulation panel 1.
  • These pre-cuts have a depth, which is less than the thickness t of the insulation panel 1 , varies depending on the thickness t of the insulation slab, but is preferably at least 50 mm and more preferably 50 mm less than the thickness t. Often the depth of the pre-cut will be in the range from one third to two thirds of the total thickness t.
  • the thickness t may be within the range of 100 - 400 mm.
  • the insulation elements 1 are manufactured in standard sizes and thicknesses, e.g. with a thickness of 140 mm, 160 mm, 180 mm or 200 mm.
  • the insulation slab 1 is to be fitted between two rafters or similar elongated framework members 2 in a building structure with a mutual distance D between them. This may be rafters in a roof structure, a wall structure or a floor structure where thermal and/or acoustic insulation is required.
  • the insulation slab 1 is placed with the flex zone 4 abutting one or the rafters 2 so that the flexible zone is not compressed but merely positioned abutting the first rafter 2.
  • the width d (see fig.
  • the trim portion 3 is to be cut off and the worker can easily cut along the cutting line 7 with the rafter 2 serving as a backing board for the cutting action in the insulation slab 1.
  • the resulting insulation element 1 may then be fitted by compressing the flexible portion without providing too much compression causing the insulation element to buckle or bend out of the cavity between the two rafters.
  • the insulation element 1 may be fitted in the same manner without having to trim the width first.
  • the distances D between the elongated members 2 in the frameworks is determining which insulation element width is to be used.
  • In fig. 6 are shown eight typical distance ranges that must be covered in order to provide an insulation element product range that covers the insulation needs for small building projects, such as DIY projects, comprehensively.
  • the insulation element shown in fig. 7 is provided with trim portions 3, 5 along its first and third sides and flexible portions 4, 6 along its second and fourth sides.
  • this format is adapted to fit four different distances D 1 - D 4 covering the lower part of the range. If the distance D between the rafters is between 550 - 650 mm, i.e. D 1 or D 2 , the insulation element is fitted with its longitudinal orientation parallel to the rafters. If the rafter distance is within the D 1 range, the trim portion 3 along the first side is cut off and thereby reducing the width to 610 mm and then compressing in particular the flexible zone for fitting the insulation between the rafters. If the distance is within the D 2 range, the trim portion should not be cut off, as the insulation element fits between the rafters with its longitudinal orientation substantially parallel to the rafters.
  • the distance between the rafters is within the range of D 3 or D 4 , i.e. between 650- 750 mm
  • the advantage with an insulation element according to the preferred embodiment of the invention as shown in fig. 2 and fig. 3 becomes apparent.
  • the insulation element 1 is oriented with its longitudinal orientation substantially perpendicular to the rafters and the second trim portion 5 may be cut off if the distance is within the D 3 range.
  • a second "large” format is shown which similarly covers the rafter distance range of 750-950 mm, i.e. D 5 to D 8 .
  • This "large” format insulation panel is provided with a length / of 960 mm and a width d of 860 mm. Again this insulation element may be oriented with its longitudinal orientation parallel to the rafters or perpendicular to the rafters depending on the distance D.
  • the trim portions and the flexible portions are provided with the widths c ⁇ and d t of approx. 50 mm.
  • This system in use is easy to illustrate and to instruct a user of how to trim and install.
  • Information about rafter distances could advantageously be printed on the top of insulation element so that the user can easily find instructions on the product during the insulation fitting operation.
  • the fibrous insulation panels are produced by cutting up a fibrous material web of e.g. stone wool. This web is often produced with a width of 2000 mm and by providing the "small" format with a width of 660 mm, three adjacent lines of insulation panels may be cut from this material web leaving a minimum amount of fibrous waste material.
  • the "large” format may be produced in two adjacent lines each with a width of 960 mm, which is the length of the longitudinal direction of the "large” format panel. This also minimises the amount of waste material.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Electromagnetism (AREA)
  • Building Environments (AREA)
  • Thermal Insulation (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Rod-Shaped Construction Members (AREA)

Abstract

The present invention concerns an insulation element (1) for fitting between elongated members (2) in a framework of a building structure, such as between rafters, beams or the like, said insulation element (1) having a substantially rectangular shape with substantially parallel first and second sides and substantially parallel third and fourth sides, exhibiting a first side portion and a substantially parallel opposing second side portion, wherein at least said first side portion is provided with a trim portion (3) with a elongated trim section along the first side, said trim section having a predetermined width; and at least said second side portion is provided with a flexible zone (4) extending along the second side comprising a flexible section with a predetermined width in the insulation element (1). Hereby, an insulation element is provided which is suitable for fitting within a wide range in the distance between elongated members in a building framework.

Description

An insulation element for fitting between elongated members in a framework of a building structure
The present invention relates to an insulation element for fitting between elongated members in a framework of a building structure, such as between rafters, beams or the like, said insulation element having substantially parallel first and second sides and substantially parallel third and fourth sides, exhibiting a first side portion and a substantially parallel opposing second side portion.
Building structures typically comprise a framework with a number of elongated members, such as rafters, joists etc,, defining a number of cavities with the elongated members of the framework as cavity walls. In particular a roof structure comprises a number of rafters with a certain distance apart. It is typically required that a roof or a floor structure must be insulated and therefore insulation panels are fitted in these cavities. In order to meet the thermal insulation requirements fibrous insulation material is often used. Such fibrous insulation materials, such as glass wool, stone wool or other fibrous material panels, may be provided in rectangular building elements or as a roll.
The distance between the elongated members of the framework in a building structure, such as rafters, joists, beams or the like, may vary from one structure to another or even within the same building structure. In roof structures the distance may vary from e.g. 550-950 mm. Although the insulation material is somewhat flexible there are limitations as to how compressible the insulation elements can be subjected to before the compressed element may bend out of the cavity if the insulation element is too compressed when fitted between the rafters and beams. Therefore, insulation elements of the initially mentioned kind must be manufactured in many different sizes in order to ensure a correct fit.
An advantage with this kind of fibrous insulation slab product is that it can be cut into an appropriate size and is easy install and easy for the inexperienced builder, such as the DIY builder, to understand and makes it easy to fit a suitable insulation to a building structure, such as a roof a wall or a floor structure. In order to fit the insulation slabs, they must be cut into size. This results in a high amount of waste material which is inconvenient for many reasons, such as costs and environmental concerns. For the building material retailers, in particular do-it- yourself (DIY) stores, this insulation product requires an unacceptable amount of storage space as fibrous insulation slabs of many different sizes must be offered for sale. For instance in order to be able to supply customers with insulation slabs for rafter distances in the range of 550-950 mm, eight different sizes must be kept on store. This storage must be repeated for each thickness of insulation that the store intends to sell. This is considered too space consuming for most retailers and therefore the availability of such insulation slab products is rather limited in most retail stores (DIY stores) that are selling building materials and accessories.
On this background, an object of the present invention is to provide an insulation element that allows for a broader range of use making it more attractive to building material retailers as well as their customers.
This object is achieved by an insulation element of the initially mentioned kind wherein at least said first side portion is provided as a trim portion, which is provided with a cutting marking substantially parallel with the first side thereby defining a elongated trim section along the first side, said trim section having a predetermined width; and at least said second side portion is provided as a flexible zone extending along the second side and comprising a flexible section of the insulation element, which is substantially less rigid and which has a predetermined width.
The insulation element according to the invention may be made of any insulating material. Often a fibrous insulation material is preferred. Especially mineral wool, such as stone wool or glass wool is preferred.
An insulation element according to the invention is suitable for fitting within a wide range in the distance between elongated members in a building framework. The advantage of an insulation element according to the invention is this combination of a trim portion and a soft flexible portion on the opposite side of the trim portion. This makes the fitting of the insulation element easier and contributes to achieving a good insulation result, so that the insulation is not too compressed or is too loosely fitted. An insulation element according to the invention is cost effective in production, whereby a low-priced fibrous insulation element for a wide range of use in building structures may be achieved.
The flexible zone along the section side is made less rigid during the manufacture, e.g. by pressing rollers into the zone and moving them along the edge. This has the advantage that this zone is compressible and may be compressed in order to fit between the rafters and beams of the building structure, e.g. two rafters or the like. If the compression of the second side is not sufficient for obtaining a good fitting of the insulation element, i.e. if the distance between the cavity walls is smaller, the trim portion on the side opposite the flexible portion of the rectangular insulation slab may be cut off whereby the width of the insulation element is reduced. By having dimensioned the flexible portion and the trim portion suitably, the need for trimming the insulation element by cutting off the trim section becomes easily visible. When the insulation element is placed with the flexible zone abutting a first rafter, it becomes apparent that trimming is needed if the trim zone extends beyond the second rafter, i.e. the transition between the trim zone and the rest of the insulation element is positioned above the rafter. This transition may be marked with a cutting line marking the trim portion and making it easy for the builder to cut away the trim portion and fit the insulation slab. With the pre-cut cutting line, the trim portion will have a regular shape when cut away which makes it suitable for reuse e.g. to fit into small cavities the building structure.
By this wide range in use, the advantage of an insulation element according to the invention, the need for different formats is significantly reduced in order to cover the varying framework distances involved in building insulation. To reduce this need even further the third side of the insulation element may be provided with a trim portion extending along the third side and the fourth side of the rectangular insulation element may be provided with a flexible zone comprising a flexible section extending along the fourth side. Hereby, the insulation element is provided with flex/trim capability in both orientations. This means that the range of use is doubled for one format. This is in particular the case in a preferred embodiment, wherein the trim section width is substantially equal to the flexible section width and wherein the first and second sides are provided with a length substantially equal to the sum of the width of the flexible zone, the width of the trim zone and the length of the third and fourth sides.
Preferably, the at least one flexible zone is provided by softening the respective side by compressing the edge during manufacture and thereby reducing the fibre bonding in the flexible section. Hereby, the fibre bondings are broken making the fibrous insulation element for flexible without reducing the density and without significantly influencing the thermal insulation properties.
The at least one trim portion is provided by a cutting line parallel to the trim side, i.e. the first - respectively third - side. In a first embodiment, this cutting line may be a visual line marker. In a second embodiment, said cutting line is a pre-cut slit having a depth less than the thickness of the panel, preferably at least 50 mm and wherein said slit being substantially parallel to the trim side, i.e. the first - respectively third - side. By having provided a pre-cut, the cutting action is made easier as the pre-cut acts as a guide rail for the cutting tool. Moreover, the amount of fibrous dust produced by the cutting is reduced.
In one embodiment of the invention, the insulation element is a mineral fibre batt. However it is realised that the present invention also relates to other types of fibrous insulation materials. In a preferred embodiment, the insulation element is provided with a density of 25-45 kg/m2, preferably 28-35 kg/m2. Preferably, the insulation element is provided with a thickness between 100 and 400 mm, more preferably approx. 140 mm, 160 mm, 180 mm or 200 mm.
In an embodiment, the insulation element is provided with a first top layer having a first density and a second layer having a second density, said first density preferably being larger than the second density. Hereby, particular bending and rigidity characteristics may be achieved by a dual density an insulation element according to the invention. Preferably, the insulation element according to the invention has a substantially rectangular shape, but it is realised that other forms could be provided without departing from the invention.
The invention is described in the following with reference to the accompanying drawings, in which:
Fig. 1 is a schematic top view of an insulation element according to a first embodiment of the invention; Fig. 2 is a schematic top view of an insulation element according to a second embodiment of the invention;
Fig. 3 is a perspective view of the insulation element in fig. 2; Figs. 4 and 5 are schematic views illustrating the use of an insulation element according to the invention; Fig. 6 shows an example of a series variation of distances between building structure members for receiving insulation elements; and Figs. 7 and 8 show examples of insulation elements according to some preferred embodiments of the invention fit to the series of distances shown in fig.
6.
Figure 1 shows a first embodiment of an insulation element 1 is having a rectangular shape with first and second sides having a length / and third and fourth sides with a width d. The opposing first and second sides are provided with a trim portion 3 and a flexible portion 4, respectively. The trim portion 3 is separated from the rest of the insulation element 1 by a cutting line 7. The width of the trim portion is dt and the width of the flexible portion is df. In figure 1 the most basic embodiment of an insulation element according to the invention is shown.
With reference to figure 2 and 3, a second embodiment is shown, where a second trim portion 5 is also provided along the third side and a flexible portion 6 is also provided along the fourth side. The cutting lines 7, 8 may be printed lines on the top surface of the insulation panel 1 or - as shown in fig. 3 - pre-cuts 7, 8 partially separating the trim portions 3, 5 from the rest of insulation panel 1. These pre-cuts have a depth, which is less than the thickness t of the insulation panel 1 , varies depending on the thickness t of the insulation slab, but is preferably at least 50 mm and more preferably 50 mm less than the thickness t. Often the depth of the pre-cut will be in the range from one third to two thirds of the total thickness t. The thickness t may be within the range of 100 - 400 mm. Preferably, the insulation elements 1 are manufactured in standard sizes and thicknesses, e.g. with a thickness of 140 mm, 160 mm, 180 mm or 200 mm.
Referring to figures 4 and 5, it becomes readily apparent how easy an insulation element 1 according to the invention is to understand for an inexperienced worker, e.g. a DIY person. The insulation slab 1 is to be fitted between two rafters or similar elongated framework members 2 in a building structure with a mutual distance D between them. This may be rafters in a roof structure, a wall structure or a floor structure where thermal and/or acoustic insulation is required. The insulation slab 1 is placed with the flex zone 4 abutting one or the rafters 2 so that the flexible zone is not compressed but merely positioned abutting the first rafter 2. The width d (see fig.
1 or 3) of the insulation slab 1 is larger than the distance D between the rafters 2.
If the insulation panel width of is such that the cutting line 7 is placed above the rafter
2 as it is the case in fig. 4, the trim portion 3 is to be cut off and the worker can easily cut along the cutting line 7 with the rafter 2 serving as a backing board for the cutting action in the insulation slab 1. The resulting insulation element 1 may then be fitted by compressing the flexible portion without providing too much compression causing the insulation element to buckle or bend out of the cavity between the two rafters.
If the distance D is not so much smaller than the width oOf the insulation element 1, as it is the case in fig. 5, the insulation element 1 may be fitted in the same manner without having to trim the width first.
This means that there is no measuring with measuring sticks or tapes needed, but simply if the rafter is under the cutting line when the insulation panel 1 is positioned, then cutting is needed to fit the insulation element, but if the cutting line is free of the rafter, no cutting should be performed before fitting the insulation element between the rafters. Thus by the invention it is ensured that a small oversize in width is maintained also if trimming is needed, and that consequently a satisfactory amount of compression of the insulation element is done so that the spring effect of the insulation material expands the insulation panel between the rafters and keeps it in place.
The distances D between the elongated members 2 in the frameworks is determining which insulation element width is to be used. In fig. 6 are shown eight typical distance ranges that must be covered in order to provide an insulation element product range that covers the insulation needs for small building projects, such as DIY projects, comprehensively. As it can be seen in the figure, there are eight distance ranges D1 to D8 which together are covering a range in the rafter distance D from 550 mm to 950 mm in incremental steps of 50 mm.
Whereas previously this would require eight different formats of insulation slabs, it is realised by the invention that by sizing the insulation slabs according to the invention correctly, this required amount of formats can be reduced to only two formats, as shown in the figures 7 and 8.
In relation to the range in the distances D between the framework members in a building structure shown in fig. 6, the insulation element shown in fig. 7 is provided with trim portions 3, 5 along its first and third sides and flexible portions 4, 6 along its second and fourth sides. This "small" format insulation element according to the invention is provided with the following dimensions: The widths df and dt are both approx. 50 mm and the insulation element width of is 660 mm and the length / is 760 mm, i.e. I = d + df + dt . The dimensions ensure that a certain compression will always take place when fitting the insulation panel.
As illustrated in the lower part of fig. 7, this format is adapted to fit four different distances D1 - D4 covering the lower part of the range. If the distance D between the rafters is between 550 - 650 mm, i.e. D1 or D2, the insulation element is fitted with its longitudinal orientation parallel to the rafters. If the rafter distance is within the D1 range, the trim portion 3 along the first side is cut off and thereby reducing the width to 610 mm and then compressing in particular the flexible zone for fitting the insulation between the rafters. If the distance is within the D2 range, the trim portion should not be cut off, as the insulation element fits between the rafters with its longitudinal orientation substantially parallel to the rafters.
If the distance between the rafters is within the range of D3 or D4, i.e. between 650- 750 mm, the advantage with an insulation element according to the preferred embodiment of the invention as shown in fig. 2 and fig. 3 becomes apparent. In this situation, the insulation element 1 is oriented with its longitudinal orientation substantially perpendicular to the rafters and the second trim portion 5 may be cut off if the distance is within the D3 range.
In figure 8, a second "large" format is shown which similarly covers the rafter distance range of 750-950 mm, i.e. D5 to D8. This "large" format insulation panel is provided with a length / of 960 mm and a width d of 860 mm. Again this insulation element may be oriented with its longitudinal orientation parallel to the rafters or perpendicular to the rafters depending on the distance D. The trim portions and the flexible portions are provided with the widths c^and dt of approx. 50 mm.
This system in use is easy to illustrate and to instruct a user of how to trim and install. Information about rafter distances could advantageously be printed on the top of insulation element so that the user can easily find instructions on the product during the insulation fitting operation.
A technical advantage of the dimensions of the two formats may be found in the production of the fibrous insulation panels. The fibrous insulation panels are produced by cutting up a fibrous material web of e.g. stone wool. This web is often produced with a width of 2000 mm and by providing the "small" format with a width of 660 mm, three adjacent lines of insulation panels may be cut from this material web leaving a minimum amount of fibrous waste material. The "large" format may be produced in two adjacent lines each with a width of 960 mm, which is the length of the longitudinal direction of the "large" format panel. This also minimises the amount of waste material.
It should be emphasised that the dimensions of the insulation element and the distances between the framework structures are explanatory and could be varied within the scope of the invention which is defined in the accompanying claims. Other embodiment of a fibrous insulation panel than the ones described above may be provided without departing from the scope of the invention.

Claims

Claims:
1. An insulation element (1 ) for fitting between elongated members (2) in a framework of a building structure, such as between rafters, beams or the like, said insulation element (1 ) having substantially parallel first and second sides and substantially parallel third and fourth sides, exhibiting a first side portion and a substantially parallel opposing second side portion, characterised in that at least said first side portion is provided as a trim portion (3) which is provided with a cutting marking (7, 8) substantially parallel with the first side thereby defining a elongated trim section (3, 5) along the first side, said trim section (3, 5) having a predetermined width (dt); and at least said second side portion is provided as a flexible zone (4) extending along the second side and comprising a flexible section (4, 6) of the insulation element (1 ) which is substantially less rigid and which has a predetermined width (df).
2. An insulation element according to claim 1 , wherein the third side is provided with a trim portion (5) extending along the third side and the fourth side is provided with a flexible zone (6) comprising a flexible section extending along the fourth side.
3. An insulation element according to claim 1 or 2, wherein the at least one flexible zone (4, 6) is provided by softening the respective side by compressing the edge region during manufacture and thereby reducing the fibre bonding in the flexible section.
4. An insulation element according to any of the preceding claims, wherein the at least one trim portion (3, 5) is provided by a cutting line (7, 8) parallel to the trim side, i.e. the first - respectively third - side.
5. An insulation element according to claim 4, wherein said cutting line (7, 8) is a visual line marker.
6. An insulation element according to claim 4, wherein said cutting line (7, 8) is a pre-cut slit having a depth less than the thickness of the panel, preferably at least 50 mm and wherein said slit being substantially parallel to the trim side, i.e. the first - respectively third - side.
7. An insulation element according to any of the preceding claims, wherein the trim section width (dt) is substantially equal to the flexible section width (df).
8. An insulation element according to any of the preceding claims, wherein the first and second sides are provided with a length (/) substantially equal to the sum of the width of the flexible zone (df), the width of the trim zone (of,) and the length of the third and fourth sides (of).
9. An insulation element according to any of the preceding claims, wherein the insulation element (1) is a fibrous insulation element, preferably a mineral wool batt.
10. An insulation element according to any of the preceding claims, wherein the insulation element (1) is provided with a density of 25-45 kg/m2, preferably 28-35 kg/m2.
1 1. An insulation element according to any of the preceding claims, wherein the insulation element (1 ) is provided with a first top layer having a first density and a second layer having a second density, said first density preferably being larger than the second density.
12. An insulation element according to any of the preceding claims, wherein the insulation element is provided with a thickness (f) between 100 and 400 mm.
EP06792136.1A 2005-09-20 2006-09-19 An insulation element for fitting between elongated members in a framework of a building structure Active EP1926863B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PL06792136T PL1926863T3 (en) 2005-09-20 2006-09-19 An insulation element for fitting between elongated members in a framework of a building structure
EP06792136.1A EP1926863B1 (en) 2005-09-20 2006-09-19 An insulation element for fitting between elongated members in a framework of a building structure

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP05077138A EP1764449A1 (en) 2005-09-20 2005-09-20 An insulation element for fitting between elongated members in a framework of a building structure
PCT/EP2006/009089 WO2007039092A1 (en) 2005-09-20 2006-09-19 An insulation element for fitting between elongated members in a framework of a building structure
EP06792136.1A EP1926863B1 (en) 2005-09-20 2006-09-19 An insulation element for fitting between elongated members in a framework of a building structure

Publications (2)

Publication Number Publication Date
EP1926863A1 true EP1926863A1 (en) 2008-06-04
EP1926863B1 EP1926863B1 (en) 2015-10-21

Family

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EP05077138A Withdrawn EP1764449A1 (en) 2005-09-20 2005-09-20 An insulation element for fitting between elongated members in a framework of a building structure
EP06792136.1A Active EP1926863B1 (en) 2005-09-20 2006-09-19 An insulation element for fitting between elongated members in a framework of a building structure

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Application Number Title Priority Date Filing Date
EP05077138A Withdrawn EP1764449A1 (en) 2005-09-20 2005-09-20 An insulation element for fitting between elongated members in a framework of a building structure

Country Status (8)

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EP (2) EP1764449A1 (en)
DK (1) DK1926863T3 (en)
EA (1) EA012321B1 (en)
ES (1) ES2558983T3 (en)
NO (1) NO20081855L (en)
PL (1) PL1926863T3 (en)
UA (1) UA94720C2 (en)
WO (1) WO2007039092A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008061542A1 (en) * 2008-12-02 2010-06-10 Eugen Gonon Building board, in particular facade panel as heat / sound insulation for external facades, and method for laying such building panels
EP2712971A1 (en) * 2012-09-27 2014-04-02 HOMATHERM GmbH Fibre insulation element

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3203622A1 (en) * 1981-09-17 1983-04-07 Deutsche Rockwool Mineralwoll-GmbH, 4390 Gladbeck Method and apparatus for manufacturing a sound- and/or heat-insulating mineral fibre slab or web
DE3229601C2 (en) * 1982-08-09 1984-12-06 Grünzweig + Hartmann und Glasfaser AG, 6700 Ludwigshafen Insulating material web, consisting of an insulating material layer, in particular of mineral fiber felt, and a glued-on lamination web, as well as a process for its production and a process for its installation
DE8311026U1 (en) * 1983-04-14 1983-07-21 Rheinhold & Mahla Gmbh, 6800 Mannheim SELF-SUPPORTING INSULATION PLATE
DE4435317A1 (en) * 1994-10-01 1996-04-11 Alfred Kropf Insulating panel with given length and width format and thickness
WO1998042930A1 (en) * 1997-03-21 1998-10-01 Isover Saint-Gobain Insulating board
DE19826137A1 (en) * 1998-06-12 1999-12-16 Rockwool Mineralwolle Insulating element for thermal and / or acoustic insulation of a building roof construction
ATE283946T1 (en) * 2001-09-14 2004-12-15 Saint Gobain Isover METHOD FOR PRODUCING A MINERAL WOOL PRODUCT AND MINERAL WOOL PRODUCT

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2007039092A1 *

Also Published As

Publication number Publication date
DK1926863T3 (en) 2016-02-01
EA200800843A1 (en) 2008-08-29
UA94720C2 (en) 2011-06-10
WO2007039092A1 (en) 2007-04-12
EP1926863B1 (en) 2015-10-21
ES2558983T3 (en) 2016-02-09
EP1764449A1 (en) 2007-03-21
EA012321B1 (en) 2009-08-28
NO20081855L (en) 2008-04-17
PL1926863T3 (en) 2016-05-31

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