CA1040995A - Primer sheet for plastering - Google Patents
Primer sheet for plasteringInfo
- Publication number
- CA1040995A CA1040995A CA200,680A CA200680A CA1040995A CA 1040995 A CA1040995 A CA 1040995A CA 200680 A CA200680 A CA 200680A CA 1040995 A CA1040995 A CA 1040995A
- Authority
- CA
- Canada
- Prior art keywords
- sheet
- primer
- bonding sheet
- woven
- plastering
- 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.)
- Expired
Links
Landscapes
- Laminated Bodies (AREA)
- Finishing Walls (AREA)
Abstract
ABSTRACT OF THE DISCLOSURE
A primer sheet for plastering is formed by fas-tening non-woven sheet made of a pliable and strong non-woven fabric to a bonding sheet made of a water-impermeable, plastic high molecular weight compound having high tackiness.
The primer sheet is mounted to a wall surface by fixing the exposed surface of the bonding sheet to the wall surface and a plastering coating is firmly applied on the exposed surface of the non-woven sheet 80 that a force applied to the resultant coating layer by the aging of the wall, by temperature variation, external force etc. is transmitted to the bonding sheet to cause the latter to be deformed through the absorption of the force, thereby preventing a crack or separation which might otherwise occur in the coating layer.
A primer sheet for plastering is formed by fas-tening non-woven sheet made of a pliable and strong non-woven fabric to a bonding sheet made of a water-impermeable, plastic high molecular weight compound having high tackiness.
The primer sheet is mounted to a wall surface by fixing the exposed surface of the bonding sheet to the wall surface and a plastering coating is firmly applied on the exposed surface of the non-woven sheet 80 that a force applied to the resultant coating layer by the aging of the wall, by temperature variation, external force etc. is transmitted to the bonding sheet to cause the latter to be deformed through the absorption of the force, thereby preventing a crack or separation which might otherwise occur in the coating layer.
Description
la4~ss This invention relates to a primer sheet for plastering, adapted to be mounted between a wall surface and a coating material.
When a wall surface of a house or building is plastered, for example, mortar-plastered, a metal lath, wire lath etc. and a building paper are usually used between the wall surface and mortar to be plastered, so that mortar as a coating material is firmly stuck to the wall surface. The lath is used for firmly holding the mortar on the wall 1~ surface, while the building paper is used to prevent wall corrosion caused by water present in the mortar or water that has reached the wall surface from outside through the mortar layer. Where such lath and building paper are used, the coating material such as mortar etc. is deformed by a lS force resulting from temperature variation and external - force or a force resulting from the aging of the house or building, resulting in the cracking, separation etc. of the coating material as well as the breakage of the building paper. The cracking, separation etc. of the coating materials are caused by a force applied directly to the coating material without being absorbed by members other than the coating material. Since the lath used between the wall I ~ surface and the coating layer is not sufficiently pliable, t `' the above-mentioned force is applied directly to the t . 25 coating layer without being absorbed by a bonding sheet, thereby resulting in damage to the coating layer.
` This invention seeks to provide a primer sheet for pla~tering, adapted to be mounted between a wall surface and a coating material so as to prevent any damage, such as a , :, 1 ., ' ' . ~ .
J'~
.
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10~ 95 crack or separation, which might otherwise occur in the coating layer.
Accordingly the invention is a primer sheet for plastering, formed by fastening a non-woven sheet made of pliable synthetic resin fibers or a paper-like non-woven fiber made of mineral fibers to a bonding sheet made of a water-impermeable, plastic high molecular weight compound having high tackiness through the utilization of the high tackiness of the bonding sheet.
The primer sheet is fixed to the wall surface of a house or building through the utilization of the high tackiness of the bonding sheet and a coating material is ` coated, or sprayed, onto the non-woven sheet side of the primer sheet to permit the coating material to be firmly held through the primer sheet. : -I A force induced in the coating material due to temperature variation and external force or a force trans-mitted to the coating material due to the aging of the house `
` or building is absorbed in the bonding sheet through its ~;
defomation and the force applied to the coating material is `~
decreased, thereby preventing damage to the coating material.
Since the bonding sheet is water-proof in nature, no water ~` reaches the wall surface of the building irrespective of any deformation of the bonding sheet and, consequently, no wall corrosion takes place.
Embedding a wire mesh in the bonding sheet is effective in preventing drooping or sagging which might -~ ?
'~ otherwise occur in the bonding sheet due to the nature, ~ shape etc. of the bonding sheet as well as conditions under ~' 1 '.` `
When a wall surface of a house or building is plastered, for example, mortar-plastered, a metal lath, wire lath etc. and a building paper are usually used between the wall surface and mortar to be plastered, so that mortar as a coating material is firmly stuck to the wall surface. The lath is used for firmly holding the mortar on the wall 1~ surface, while the building paper is used to prevent wall corrosion caused by water present in the mortar or water that has reached the wall surface from outside through the mortar layer. Where such lath and building paper are used, the coating material such as mortar etc. is deformed by a lS force resulting from temperature variation and external - force or a force resulting from the aging of the house or building, resulting in the cracking, separation etc. of the coating material as well as the breakage of the building paper. The cracking, separation etc. of the coating materials are caused by a force applied directly to the coating material without being absorbed by members other than the coating material. Since the lath used between the wall I ~ surface and the coating layer is not sufficiently pliable, t `' the above-mentioned force is applied directly to the t . 25 coating layer without being absorbed by a bonding sheet, thereby resulting in damage to the coating layer.
` This invention seeks to provide a primer sheet for pla~tering, adapted to be mounted between a wall surface and a coating material so as to prevent any damage, such as a , :, 1 ., ' ' . ~ .
J'~
.
,, , . . .. . ~ . , . . :
10~ 95 crack or separation, which might otherwise occur in the coating layer.
Accordingly the invention is a primer sheet for plastering, formed by fastening a non-woven sheet made of pliable synthetic resin fibers or a paper-like non-woven fiber made of mineral fibers to a bonding sheet made of a water-impermeable, plastic high molecular weight compound having high tackiness through the utilization of the high tackiness of the bonding sheet.
The primer sheet is fixed to the wall surface of a house or building through the utilization of the high tackiness of the bonding sheet and a coating material is ` coated, or sprayed, onto the non-woven sheet side of the primer sheet to permit the coating material to be firmly held through the primer sheet. : -I A force induced in the coating material due to temperature variation and external force or a force trans-mitted to the coating material due to the aging of the house `
` or building is absorbed in the bonding sheet through its ~;
defomation and the force applied to the coating material is `~
decreased, thereby preventing damage to the coating material.
Since the bonding sheet is water-proof in nature, no water ~` reaches the wall surface of the building irrespective of any deformation of the bonding sheet and, consequently, no wall corrosion takes place.
Embedding a wire mesh in the bonding sheet is effective in preventing drooping or sagging which might -~ ?
'~ otherwise occur in the bonding sheet due to the nature, ~ shape etc. of the bonding sheet as well as conditions under ~' 1 '.` `
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which the bonding sheet is used.
The primer sheet is simple in construction, and fastening between the bonding sheet and the non-woven sheet and fixing between the bonding sheet and the wall surface are very easily effected through the utilization of the high tackiness of the bonding sheet without using any adhesive.
The primer sheet can be used in applying mortar-plastering, ; scratching finish of stucco, tile facing etc. on the wall surface of a prefabricated house, but is also effective in ~ermitting the application of a coating material, such a mortar, on the ground surface of various structures and ln buildings. Consequently, the primer sheet according to this invention has a very wide application.
This invention can be more fully understood from the following detailed description when taken in conjunction with the accompanying drawings, in which:
Figure 1 is a cross-sectional view of a primer -sheet according to this invention as used between a wall sur~ace and a mortar layer;
~igure 2 is a side, cross-sectional view, partly broken away, showing the primer sheet of Figure 1~ --...
; ; 20 Figure 3 is a perspective, cross-sectional view, `:
partly broken away, showing the primer sheet of Figure 2; ~ -i~ Figure 4 is a cross-sectional view of a wire mesh-r` embedded primer sheet as used between a wall surface and a ~ortar layer;
Figure 5 is a side, cross-sectional view partly ~ . ., broken away, showing the primer sheet of Figure 4; and -~
` Figure 6 is a perspective, cross-sectional view, partly broken away, showing the primer sheet of Figure 5.
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Figure 1 shows a primer sheet 2 bonded to a sur-face 11 of a wall 1 of a prefabricated building, the primer - sheet having mortar layer 5 coated, or sprayed, thereon.
The primer sheet 2 is formed by fastening the bonding sheet to non-woven sheet 4 as shown in Figures 1 and 2.
A bonding sheet 3 is formed of a water-impermeable, plastic high molecular weight compound, such as polvbutadiene, but~,rl rubber etc. having high tackiness, and a non-woven sheet 4 is formed of a non-woven fabric made of pliable and strong synthetic fibers, such as polyester, acetate etc., capable of firmly holding a coating on the surface or a paper-like non-woven fiber made of mineral fibers such as asbestos fiber, rock wool fiber etc. A back surface 41 of the non-woven sheet 4 is fastened to the front surface 32 of the bonding sheet 3 at the factory to obtain a primer sheet ,! 15 2, which is shipped to a building site. An exposed back surface 30 of the bonding sheet 3 is protected by a suitable means to be described later, so that no foreign matter can stick to the exposed back surface 31 of the bonding sheet
.`'~
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which the bonding sheet is used.
The primer sheet is simple in construction, and fastening between the bonding sheet and the non-woven sheet and fixing between the bonding sheet and the wall surface are very easily effected through the utilization of the high tackiness of the bonding sheet without using any adhesive.
The primer sheet can be used in applying mortar-plastering, ; scratching finish of stucco, tile facing etc. on the wall surface of a prefabricated house, but is also effective in ~ermitting the application of a coating material, such a mortar, on the ground surface of various structures and ln buildings. Consequently, the primer sheet according to this invention has a very wide application.
This invention can be more fully understood from the following detailed description when taken in conjunction with the accompanying drawings, in which:
Figure 1 is a cross-sectional view of a primer -sheet according to this invention as used between a wall sur~ace and a mortar layer;
~igure 2 is a side, cross-sectional view, partly broken away, showing the primer sheet of Figure 1~ --...
; ; 20 Figure 3 is a perspective, cross-sectional view, `:
partly broken away, showing the primer sheet of Figure 2; ~ -i~ Figure 4 is a cross-sectional view of a wire mesh-r` embedded primer sheet as used between a wall surface and a ~ortar layer;
Figure 5 is a side, cross-sectional view partly ~ . ., broken away, showing the primer sheet of Figure 4; and -~
` Figure 6 is a perspective, cross-sectional view, partly broken away, showing the primer sheet of Figure 5.
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~.,. ,.. , ,.;., 9.~
lO9~ S
Figure 1 shows a primer sheet 2 bonded to a sur-face 11 of a wall 1 of a prefabricated building, the primer - sheet having mortar layer 5 coated, or sprayed, thereon.
The primer sheet 2 is formed by fastening the bonding sheet to non-woven sheet 4 as shown in Figures 1 and 2.
A bonding sheet 3 is formed of a water-impermeable, plastic high molecular weight compound, such as polvbutadiene, but~,rl rubber etc. having high tackiness, and a non-woven sheet 4 is formed of a non-woven fabric made of pliable and strong synthetic fibers, such as polyester, acetate etc., capable of firmly holding a coating on the surface or a paper-like non-woven fiber made of mineral fibers such as asbestos fiber, rock wool fiber etc. A back surface 41 of the non-woven sheet 4 is fastened to the front surface 32 of the bonding sheet 3 at the factory to obtain a primer sheet ,! 15 2, which is shipped to a building site. An exposed back surface 30 of the bonding sheet 3 is protected by a suitable means to be described later, so that no foreign matter can stick to the exposed back surface 31 of the bonding sheet
3. The bonding sheet is securely fixed to a wall surface 11 through the utilization of the high tackiness after removing the above-mentioned means. Ater completion of this operation, mortar layer 5 is coated, or sprayed, onto an exposed front surface 42 of the non-woven sheet 4.
The non-woven .sheet 4 may be fastened to the bondin~ sheet 3 either at the factory, as mentioned above, or at the building site. In any case, it it necessary that the exposed surface of the bonding sheet 3 be protec~ed during shipment by covering it with, for example thin paper so that no foreign matter is adhered to the exposed surface -, , ,, :
' ~4~
,. ~ . , ,: :' 1~4IJ~3!9!5 of the hondin~ sheet 3.
The ~rimer sheet 2 is fixed to the wall surface 11 and then the mortar layer is coated onto the surface of the non-woven sheet 4. After such mortar-plastering, the resultant mortar layer is subject to temperature variation due to insulation and atmospheric air, and an external force applied to the mortar layer 5 is imparted through the ~liable non-woven sheet 4 to the bonding sheet 3 to cause the latter to be deformed through absorption of the external force. Consequently, any damage, such as a crack, separation etc., to the mortar layer 5 which might otherwise occur is prevented. Where the wall 1 of a house or building is deformed with the lapse of time, a force resulting from the deformation is immediately transmitted to the bonding sheet 3 to cause the latter to be deformed through the absorption of the force. As a result, no deformation reaches the mortar layer 5 and damage to the mortar layer 5 which might otherwise occur is prevented.
As the bonding sheet 3 is water-impermeable, irrespective of the above-mentioned deformation, water in the mortar layer or water that infiltrates through the mortar layer 5 from outside is shut off by the bonding sheet ~.
3 and does not reach the wall 1. Consequently, no corrosion ., .~ : :
occurs in the wall 1.
The mortar layer 5 is forced into the porous , surface of the non-woven sheet 4 formed of a non-woven ;~
fabric made of synthetic or mineral fibers and firmly held in position. Where the non-woven sheet 4 has many downy or fuzzy fibers on the surface 42, the fuzzy fibers formed on 30 the surface of the non-woven sheet 4 are entered into the i .,', ~.
,, p~
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mortar layer 4 and the mortar layer 5 is more firmly held by the napped, non-woven sheet 4.
~ eferring to ~igures 4 and 6 conjointly, there are shown a primer sheet 2 having a bonding sheet 3 in which a mesh 33 is embedded and a mortar-coated primer sheet 2 fixed to the wall. The mesh 33 is made of metal or synthetic resin. With this embodiment the primer sheet 2 is used to prevent drooping or sagging which might occur at a portion close to a front surface 32 of a meshless bonding sheet 3 n dependent upon the shape, nature etc. of the bonding sheet 3 as well as conditions under which the bonding sheet 3 is used. In this case, the primer sheet 2 is more securely mounted to the wall 1 through the utilization of the high ' tackiness of the bonding sheet 3 and by driving nails, through the primer sheet 2 and the mesh 33, into the wall so that part of a load is borne b~ the nails.
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The non-woven .sheet 4 may be fastened to the bondin~ sheet 3 either at the factory, as mentioned above, or at the building site. In any case, it it necessary that the exposed surface of the bonding sheet 3 be protec~ed during shipment by covering it with, for example thin paper so that no foreign matter is adhered to the exposed surface -, , ,, :
' ~4~
,. ~ . , ,: :' 1~4IJ~3!9!5 of the hondin~ sheet 3.
The ~rimer sheet 2 is fixed to the wall surface 11 and then the mortar layer is coated onto the surface of the non-woven sheet 4. After such mortar-plastering, the resultant mortar layer is subject to temperature variation due to insulation and atmospheric air, and an external force applied to the mortar layer 5 is imparted through the ~liable non-woven sheet 4 to the bonding sheet 3 to cause the latter to be deformed through absorption of the external force. Consequently, any damage, such as a crack, separation etc., to the mortar layer 5 which might otherwise occur is prevented. Where the wall 1 of a house or building is deformed with the lapse of time, a force resulting from the deformation is immediately transmitted to the bonding sheet 3 to cause the latter to be deformed through the absorption of the force. As a result, no deformation reaches the mortar layer 5 and damage to the mortar layer 5 which might otherwise occur is prevented.
As the bonding sheet 3 is water-impermeable, irrespective of the above-mentioned deformation, water in the mortar layer or water that infiltrates through the mortar layer 5 from outside is shut off by the bonding sheet ~.
3 and does not reach the wall 1. Consequently, no corrosion ., .~ : :
occurs in the wall 1.
The mortar layer 5 is forced into the porous , surface of the non-woven sheet 4 formed of a non-woven ;~
fabric made of synthetic or mineral fibers and firmly held in position. Where the non-woven sheet 4 has many downy or fuzzy fibers on the surface 42, the fuzzy fibers formed on 30 the surface of the non-woven sheet 4 are entered into the i .,', ~.
,, p~
,' S
mortar layer 4 and the mortar layer 5 is more firmly held by the napped, non-woven sheet 4.
~ eferring to ~igures 4 and 6 conjointly, there are shown a primer sheet 2 having a bonding sheet 3 in which a mesh 33 is embedded and a mortar-coated primer sheet 2 fixed to the wall. The mesh 33 is made of metal or synthetic resin. With this embodiment the primer sheet 2 is used to prevent drooping or sagging which might occur at a portion close to a front surface 32 of a meshless bonding sheet 3 n dependent upon the shape, nature etc. of the bonding sheet 3 as well as conditions under which the bonding sheet 3 is used. In this case, the primer sheet 2 is more securely mounted to the wall 1 through the utilization of the high ' tackiness of the bonding sheet 3 and by driving nails, through the primer sheet 2 and the mesh 33, into the wall so that part of a load is borne b~ the nails.
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Claims (2)
1. A primer sheet for plastering, formed by fastening a non-woven sheet made of pliable synthetic resin fibers or a paper-like non-woven fiber made of mineral fibers to a bonding sheet made of a water-impermeable plastic, high molecular weight compound having high tacki-ness through the utilization of the high tackiness of the bonding sheet.
2. The primer sheet according to claim 1 in which said bonding sheet has a wire mesh embedded therein.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11158973 | 1973-09-25 | ||
| JP48111590A JPS4973311A (en) | 1972-10-05 | 1973-10-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1040995A true CA1040995A (en) | 1978-10-24 |
Family
ID=26450944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA200,680A Expired CA1040995A (en) | 1973-09-25 | 1974-05-23 | Primer sheet for plastering |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA1040995A (en) |
-
1974
- 1974-05-23 CA CA200,680A patent/CA1040995A/en not_active Expired
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