GB2209773A - Insulated-wall building method and insulation-retaining device - Google Patents
Insulated-wall building method and insulation-retaining device Download PDFInfo
- Publication number
- GB2209773A GB2209773A GB8721511A GB8721511A GB2209773A GB 2209773 A GB2209773 A GB 2209773A GB 8721511 A GB8721511 A GB 8721511A GB 8721511 A GB8721511 A GB 8721511A GB 2209773 A GB2209773 A GB 2209773A
- Authority
- GB
- United Kingdom
- Prior art keywords
- mortar
- insulation
- wall
- tube
- courses
- 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.)
- Withdrawn
Links
- 238000000034 method Methods 0.000 title claims description 23
- 239000004570 mortar (masonry) Substances 0.000 claims abstract description 31
- 239000012774 insulation material Substances 0.000 claims abstract description 15
- 238000009413 insulation Methods 0.000 claims description 21
- 239000000203 mixture Substances 0.000 claims description 8
- 239000011810 insulating material Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 abstract description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 238000009414 blockwork Methods 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004794 expanded polystyrene Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
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
- E04B1/762—Exterior insulation of exterior walls
- E04B1/7629—Details of the mechanical connection of the insulation to the wall
- E04B1/7633—Dowels with enlarged insulation retaining head
-
- 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
- E04B1/762—Exterior insulation of exterior walls
- E04B1/7629—Details of the mechanical connection of the insulation to the wall
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F13/00—Coverings or linings, e.g. for walls or ceilings
- E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
- E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
- E04F13/0801—Separate fastening elements
- E04F13/0832—Separate fastening elements without load-supporting elongated furring elements between wall and covering elements
- E04F13/0833—Separate fastening elements without load-supporting elongated furring elements between wall and covering elements not adjustable
- E04F13/0835—Separate fastening elements without load-supporting elongated furring elements between wall and covering elements not adjustable the fastening elements extending into the back side of the covering elements
Abstract
Blocks 20 are bonded to one another in courses by the use of mortar 21 and, at substantially the same time, at least one vertical face of the courses of blocks is covered with wall insulation material 23. This is achieved by placing insulation- retaining devices in such a manner that a portion of each device becomes embedded in the mortar and that another portion or other portions of each device is/are in contact with the insulation material and hold said material against said face. The insulation-retaining device comprises a tube 11 which has at one end thereof means 12 for engaging the wall insulation material and at the other end thereof members 13 adapted to become embedded in and keyed to the mortar. Each device serves the further purpose of facilitating the fixing of mesh, carrier or lathing to said face by ring-shank nails or hammer screws hammered into the tube. <IMAGE>
Description
INSULATED-WALL BUILDING METHOD AND
INSULATION-RETAINING DEVICE.
This invention relates to a building method, to a structure built by said method and to an insulation-retaining device used in carrying said method into effect.
Existing building regulations require a minimum U value of 0.6W/m2 deg.C. This is easily obtained by using a standard brick/block construction with insulation placed in the cavity between the outer and inner components of the wall. It is anticipated that, during 1988, an improvement of the
U value will be forced upon the building industry by amendment of the building regulations; it is expected that the U value will then need to be 0.45W/m2 deg.C.
Such improvement can be obtained quite easily but only at considerably increased cost; the increased thickness of insulation material in a cavity wall construction will necessarily mean wider foundations, stronger wall ties, more roofing materials, and so on.
The principal object of the present invention is a completely new and previously unused building technique. A subsidiary object of the present invention is to create a device which will enable the new and previously unused building technique to be employed.
According to a first aspect, the present invention consists in a wall-building method which includes the erection of courses of blocks using a standard mortar mix and, substantially simultaneously therewith, applying wall insulation material to at least one face of said courses by means of tubular insulation-retaining devices each of which has one end which is provided with first means which engage a part of the exposed vertical face of said wall insulation material and another end which is provided with mortar - engaging element(s) which is/are disposed in the mortar at appropriate intervals.
In a preferred form, said method includes the placement of a panel of said wall insulation material against said face of said courses in such a manner that the upper edge thereof is in horizontal alignment with the upwardly directed faces of the lastlaid course of blocks; thereafter so placing at least one of said insulation-retaining devices that it lies partly on said upper edge of the panel and partly on the upwardly directed face of one of said blocks and with said first means in contact with the exposed vertical face of the panel and with the mortarengaging element(s) lying on the upwardly directed face of said one block; and thereafter so applying the mortar to said upwardly directed face of the block as to cover said element(s).
In the method as described in either of the two preceding paragraphs, a sheet of mesh, carrier or lathing may be mounted on the wall, after the mortar has cured, by placing said sheet against said exposed vertical face of the panel and fixing said sheet in position by hammering a nail or screw through said sheet into the tubular insulation-retaining device, the shank of said nail or screw extending through a washer which is forced into contact with said sheet by the head of the hammered-in nail or screw.
According to a second aspect, the present invention consists in a method of building a wall, said method comprising the following steps, namely,
(1) constructing the wall in courses in the conventional manner using concrete blocks and a standard mortar mix;
(2) supporting boards or panels, which are made of a foamed heat-insulating material and which are of appropriate thickness and other dimensions, on the concrete blocks by insulation-retaining devices each of which includes a hollow portion and each of which extends into the mortar between a respective pair of said courses, said boards or panels when so supported covering a vertical surface of said wall; and
(3) when said mortar has cured, securing mesh, carrier or lathing to the supported boards or panels by hammering a screw or nail, complete with a fixing washer, into said hollow portion of each insulationretaining device in order to bring said fixing washer into contact with the outer surface of said mesh, carrier or lathing.
The building method described in any one of the four preceding paragraphs obviates the need to secure the external wall insulation to the block wall
(a) by adhesive, and/or
(b) by mechanical fixing means.
The use of an adhesive would obviously require the step of applying the adhesive to one or both of the surfaces which are to be brought into contact with one another. The use of mechanical fixing means (e.g.
a HILTI HPS fixing) would necessitate drilling all of the required holes in the concrete blocks. Each of these steps is time-consuming and, therefore, expensive. Also, either or both of steps (a) and (b) is/are carried out when the block wall has been built and when the mortar has cured. By contrast, the building method described in any one of the four preceding paragraphs facilitates the erection of a block wall and the application of the external wall insula tion substantially simultaneously.
According to a third aspect, the present invention consists in an insulation retaining device for use in the wall-building method in which courses of blocks are erected using a standard mortar mix and in which, substantially simultaneously with said erection, insulation material is applied to at least one face of said courses by insulation retaining devices of which parts are disposed in the mortar mix at appropriate intervals, said insulation retaining device comprising a tube of which one end is provided with first means adapted to engage a part of the exposed vertical face of the wall insulation material and of which the other end is provided with an element or elements adapted to engage the mortar between two of said courses of blocks.
In a device as described in the preceding paragraph, the first means may take the form of a flat annulus which is integral with said one end of the tube and which extends radially outwardly from said one end of the tube, the annulus lying on a plane which is normal to each of the planes which contain the longitudinal axis of the tube. Alternatively, the first means may be formed by one or more tags each of which is integral with said one end of the tube and each of which projects radially outwardly of said tube.
In a device as described in either of the two preceding paragraphs, the mortar-engaging element(s) may take the form of two wings each of which is attached by one end thereof to the tube at or in the vicinity of said other end of the tube and each of which extends away from said tube. In a generally preferred embodiment of said insulation retaining device, said wings are so disposed that their median lines make an angle of 900 and that said angle is bisected by the longitudinal axis of the tube.
The present invention further consists in (a) a method of building a wall substantially as hereinafter described with reference to the accompanying diagrammatic drawings, and (b) an insulation retaining device constructed, arranged and adapted to operate substantially as hereinafter described with reference to and as illustrated in the accompanying diagrammatic drawings.
Referring to the drawings, there is illustrated therein an insulation retaining device 10 which consists of a tube 11 at one end of which there is a flat annulus 12 which lies on a plane which is normal to the longitudinal axis of the tube. At the end of the tube which is remote from the annulus 12 there are two wings 13 which make an angle of 900 with one another, said angle being bisected by the longitudinal axis of the tube. It will be seen that the flat annulus 12 is integral with the tube but it may be replaced by any other suitable means such for example as two tags which lie on the same plane and which extend away from one another in substantially radial directions, the plane on which the tags lie being normal to the longitudinal axis of the tube.
Each wing 13 is provided with thickened portions 14 which are provided for the purpose of creating a more efficient key with mortar.
Associated with the insulation retaining device is a stainless steel washer and either a ring-shank nail or a hammer screw.
The drawings further illustrate the manner in which the insulation retaining device is used in order to create a wall which is provided with insulation. Two concrete blocks 20 are illustrated, said blocks being joined to one another by mortar 21. In order to mount a panel of insulating material 22 on a wall which is being built from concrete blocks,the panel 22 is placed against one face (for example the front face) of the wall with the upper edge 23 of the panel being in horizontal alignment with the upwardly directed face 24 of the block or blocks.
Thereafter a number of the insulation retaining devices 10 are laid across the two faces 23, 24 with the flat annulus 12 in contact with the exposed vertical face 25 of the panel 22 and with the wings 13 in contact or almost in contact with the face 24 of the relevant block. Thereafter, mortar is laid on top of the course of blocks and in such a way as to cover the wings 13 and part of the tube 11, and one or more additional courses of blocks are added
When the mortar has cured, the wings 13 of the various insulation retaining devices will be firmly held and the annulus 12 of each device 10 will be in contact with the respective surfaces 25 of the panels 22, and the various annuli 12 hold the various panels firmly in position.It will be appreciated that, in the drawings, another panel 26 of insulating material has been cut away in order to expose to view the two devices 10 which are illustrated.
In order to mount mesh, carrier or lathing on the panels of insulating material, the user will place such mesh, carrier or lathing against the exposed vertical surfaces of the various panels and will fix it in position by hammering ring-shank nails or hammer screws, already equipped with washers, into the tubes 11 of the various devices 10.
As is well known, the mesh, carrier or lathing is used for the purpose of providing a key for render made from sand and concrete.
The insulation retaining device 10 need not, of course, be provided with the wings 13; any other suitable configuration may be given to that end of the device in order to provide a satisfactory key with the cured mortar (e.g. a closed figure in the form of a triangle or two flat tags which extend outwards from the tube 11 at 900 in order to lie substantially parallel to the front and rear faces of the wall).
The insulation retaining device 10 will preferably be made of a plastics material by injection moulding. The ring shank nail/hammer screw and the incillary washer (which is perforated as shown in the drawing) will preferably be made of stainless steel; also, the mesh will preferably be made of stainless steel.
Making a wall in accordance with the first and second aspects of the present invention means that
(a) the conventional cavity is omitted together with the wall ties which are necessary to tie the two skins of such a wall to one another;
(b) the overall wall thickness can be reduced without sacrificing strength; indeed a better structure is obtained by the use of a monolithic blockwork structure;
(c) the required level of heat insulation is provided by the panels which may be made, for example, of expanded polystyrene, glass fibre or mineral fibre (rockwool), to mention a few;
(d) supporting the panels of insulation material does not bring in any structural considerations;
(e) because wall thickness need not be increased from the present respective thickness used in the particular building concerned, the foundation widths do not have to be increased; this means that other sections of the building will not need additional materials (if foundation widths are increased to accommodate increased wall thicknesses, the roof will need to cover a greater area and this will mean, for example, larger trusses and more roofing tiles).
Claims (12)
1. A wall-building method which includes the erection of courses of blocks using a standard mortar mix and, substantially simultaneously therewith, applying wall insulation material to at least one face of said courses by means of tubular insulation-retaining devices each of which has one end which is provided with first means which engage a part of the exposed vertical face of said wall insulation material and another end which is provided with mortar - engaging element(s) which is/are disposed in the mortar at appropriate intervals.
2. A method as claimed in Claim 1, which further includes the placenlent of a panel of said wall insulation material against said face of said courses in such a manner that the upper edge thereof is in horizontal alignment with the upwardly directed faces of the last-laid course of blocks; thereafter so placing at least one of said insulation-retaining devices that it lies partly on said upper edge of the panel and partly on the upwardly directed face of one of said blocks and with said first means in contact with the exposed vertical face of the panel and with the mortar-engaging element(s) lying on the upwardly directed face of said one block; and thereafter so applying the mortar to said upwardly directed face of the block as to cover said element(s).
3. A method as claimed in Claim 1 or Claim 2, wherein a sheet of mesh, carrier or lathing is mounted on the wall, after the mortar has cured,by placing said sheet against said exposed vertical face of the panel and fixing said sheet in position by hammering a nail or screw through said sheet into the tubular insulation-retaining device, the shank of said nail or screw extending through a washer which is forced into contact with said sheet by the head of the hammered-in nail or screw.
4. A method of building a wall, said method comprising the following steps, namely,
(1) constructing the wall in courses in the conventional manner using concrete blocks and a standard mortar mix;
(2) supporting boards or panels, which are made of a foamed heat-insulating material and which are of appropriate thickness and other dimensions, on the concrete blocks by insulation-retaining devices each of which includes a hollow portion and each of which extends into the mortar between a respective pair of said courses, said boards or panels when so supported covering a vertical surface of said wall; and
(3) when said mortar has cured, securing mesh, carrier or lathing to the supported boards or panels by hammering a screw or nail, complete with a fixing washer, into said hollow portion of each insulation-retaining device in order to bring said.
fixing washer into contact with the outer surface of said mesh, carrier or lathing.
5. An insulation retaining device for use in the wall-building method in which courses of blocks are erected using a standard mortar mix and in which, substantially simultaneously with said erection, insulation material is applied to at least one face of said courses by insulation retaining devices of which parts are disposed in the mortar mix at appropriate intervals, said insulation retaining device comprising a tube of which one end is provided with first means adapted to engage a part of the exposed vertical face of the wall insulation material and of which the other end is provided with an element or elements adapted to engage the mortar between two of said courses of blocks.
6. A device as claimed in Claim 5, wherein the first means has the form of a flat annulus which is integral with said one end of the tube and which extends radially outwardly from said one end of the tube, the annulus lying on a plane which is normal to each of the planes which contain the longitudinal axis of the tube.
7. A device as claimed in Claim 5, wherein the first means comprises one or more tags each of which is integral with said one end of the tube and each of which projects radially outwardly of said tube.
8. A device as claimed in Claim 6 or Claim 7, wherein the mortar-engaging element(s) take(s) the form of two wings each of which is attached by one end thereof to the tube at or in the vicinity of said other end of the tube and each of which extends away from said tube.
9. A device as claimed in Claim 8, wherein said wings are so disposed that their median lines make an angle of 900 and that said. angle is bisected by the longitudinal axis of the tube.
10. A method of building a wall substantially as hereinbefore described with reference to the accompanying diagrammatic drawings.
11. An insulation retaining device constructed, arranged and adapted to operate substantially as hereinbefore described with reference to and as illustrated in the accompanying diagrammatic drawings.
12. Any features of novelty, taken singly o in combination, of the embodiments of the invention hereinbefore described with reference to the accompanying drawings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8721511A GB2209773A (en) | 1987-09-12 | 1987-09-12 | Insulated-wall building method and insulation-retaining device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8721511A GB2209773A (en) | 1987-09-12 | 1987-09-12 | Insulated-wall building method and insulation-retaining device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| GB8721511D0 GB8721511D0 (en) | 1987-10-21 |
| GB2209773A true GB2209773A (en) | 1989-05-24 |
Family
ID=10623708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB8721511A Withdrawn GB2209773A (en) | 1987-09-12 | 1987-09-12 | Insulated-wall building method and insulation-retaining device |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB2209773A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2220429A (en) * | 1988-07-08 | 1990-01-10 | Anthony Arthur Nicholson | Securing of insulating panels in cavity walls |
| GB2241971A (en) * | 1990-02-12 | 1991-09-18 | Moulton Grove Limited | Fixing device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3803791A (en) * | 1972-12-18 | 1974-04-16 | W Turnbull | Device for and method of mounting wall facings |
| EP0039251A2 (en) * | 1980-04-30 | 1981-11-04 | Robert T. Long | Composite insulated wall |
| EP0073553A2 (en) * | 1981-04-30 | 1983-03-09 | International Housing Limited | Insulated wall construction apparatus |
-
1987
- 1987-09-12 GB GB8721511A patent/GB2209773A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3803791A (en) * | 1972-12-18 | 1974-04-16 | W Turnbull | Device for and method of mounting wall facings |
| EP0039251A2 (en) * | 1980-04-30 | 1981-11-04 | Robert T. Long | Composite insulated wall |
| EP0073553A2 (en) * | 1981-04-30 | 1983-03-09 | International Housing Limited | Insulated wall construction apparatus |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2220429A (en) * | 1988-07-08 | 1990-01-10 | Anthony Arthur Nicholson | Securing of insulating panels in cavity walls |
| GB2241971A (en) * | 1990-02-12 | 1991-09-18 | Moulton Grove Limited | Fixing device |
Also Published As
| Publication number | Publication date |
|---|---|
| GB8721511D0 (en) | 1987-10-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |