JP4149478B2 - How to repair wall splicing removal traces - Google Patents
How to repair wall splicing removal traces Download PDFInfo
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- JP4149478B2 JP4149478B2 JP2005329865A JP2005329865A JP4149478B2 JP 4149478 B2 JP4149478 B2 JP 4149478B2 JP 2005329865 A JP2005329865 A JP 2005329865A JP 2005329865 A JP2005329865 A JP 2005329865A JP 4149478 B2 JP4149478 B2 JP 4149478B2
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- wall
- layer
- polyethylene sheet
- scaffold
- building
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- 239000011248 coating agent Substances 0.000 claims description 24
- 238000000576 coating method Methods 0.000 claims description 24
- 239000003566 sealing material Substances 0.000 claims description 16
- 239000003973 paint Substances 0.000 claims description 15
- 239000004698 Polyethylene Substances 0.000 claims description 12
- -1 polyethylene Polymers 0.000 claims description 12
- 229920000573 polyethylene Polymers 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 8
- 239000000945 filler Substances 0.000 claims description 5
- 239000004925 Acrylic resin Substances 0.000 claims description 2
- 229920000178 Acrylic resin Polymers 0.000 claims description 2
- 229920002050 silicone resin Polymers 0.000 claims description 2
- 229920002803 thermoplastic polyurethane Polymers 0.000 claims description 2
- 238000010422 painting Methods 0.000 description 10
- 239000004014 plasticizer Substances 0.000 description 9
- 239000000565 sealant Substances 0.000 description 7
- 238000011109 contamination Methods 0.000 description 4
- 230000000740 bleeding effect Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005304 joining Methods 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 229920005749 polyurethane resin Polymers 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Landscapes
- Sealing Material Composition (AREA)
- Paints Or Removers (AREA)
- Working Measures On Existing Buildindgs (AREA)
Description
本発明は、壁つなぎ除去跡の補修方法に関し、より詳しくは集合住宅やビルなどの建築物の外壁塗装における壁つなぎ除去跡の補修方法に関する。 The present invention relates to a method for repairing a wall joint removal trace, and more particularly to a method for repairing a wall joint removal trace in exterior wall painting of a building such as an apartment house or a building.
従来、各種建築物の外壁塗装においては、その外壁への塗料塗装後、目地部や足場の壁つなぎ跡にシーリング材を施工することで補修することが行われている。
図１は、集合住宅、あるいはビルその他の建築物の外壁に対する“壁つなぎ”部分を説明する図である。図１（ａ）は“壁つなぎ”を配した足場の断面図、図１（ｂ）は“壁つなぎ”の断面図、図１（ｃ）は“壁つなぎ”を配した足場の平面図である。図１中の各数値は各部のｍｍ単位の寸法例である。
Conventionally, in the exterior wall painting of various buildings, after painting the exterior wall, it is repaired by applying a sealing material to the joint between the joints and the wall of the scaffolding.
FIG. 1 is a diagram for explaining a “wall connection” portion for an outer wall of an apartment house or a building or other building. Fig. 1 (a) is a cross-sectional view of a scaffold with a "wall connection", Fig. 1 (b) is a cross-sectional view of a "wall connection", and Fig. 1 (c) is a plan view of a scaffold with a "wall connection". is there. Each numerical value in FIG. 1 is a dimension example in mm units of each part.
図１中、１は建築物、２は建築物に設けられたアンカー、３は壁つなぎである。壁つなぎ３は、アンカー２に対するボルト４と下記建枠７に対する係止部分５を備えている。６は足場、すなわち作業者用の外部足場であり、外壁に対して間隔を置いて仮設される。 In FIG. 1, 1 is a building, 2 is an anchor provided in the building, and 3 is a wall connection. The wall tether 3 includes a bolt 4 for the anchor 2 and a locking portion 5 for the building frame 7 described below. Reference numeral 6 denotes a scaffold, that is, an external scaffold for an operator, which is temporarily installed with an interval from the outer wall.
７は足場６を構成する建枠であり、通常鋼管により構成される。壁つなぎ３は、そのボルト４をアンカー２に対してねじ込むとともに、その係止部分５により足場６の建枠７に対して固定する。これにより、足場６が建築物１に対して間隔を置いて固定され、これにより塗装作業の準備段階が終了する。この状態で、塗装作業者は建築物１の外壁に対して塗装作業をする。 7 is a building frame which comprises the scaffold 6, and is normally comprised with a steel pipe. The wall tether 3 is screwed with the bolt 4 to the anchor 2 and fixed to the building frame 7 of the scaffold 6 by the locking portion 5. Thereby, the scaffold 6 is fixed at an interval to the building 1, thereby completing the preparation stage of the painting work. In this state, the painting worker performs painting work on the outer wall of the building 1.
こうして、塗装作業が終わると、足場の解体段階となる。壁つなぎ３のボルト４をアンカー２から外すとともに、壁つなぎ３の係止部分５による足場６の建枠７に対する固定を解く。このとき、アンカー２から壁つなぎ３のボルト４が抜かれることになるので、そのアンカー２の開孔にシーリング材を施すことで補修する。そして、建枠７を解体することで、準備段階、塗装段階、壁つなぎ３の取外し段階、シーリング材の施工段階、足場解体段階までの一連の塗装作業が終了する。 Thus, when the painting work is finished, the scaffold is dismantled. The bolt 4 of the wall tether 3 is removed from the anchor 2 and the fixing of the scaffold 6 to the building frame 7 by the locking portion 5 of the wall tether 3 is released. At this time, since the bolt 4 of the wall joint 3 is pulled out from the anchor 2, it is repaired by applying a sealing material to the opening of the anchor 2. Then, by disassembling the building frame 7, a series of painting operations from the preparation stage, the painting stage, the removal stage of the wall joint 3, the sealing material construction stage, and the scaffold dismantling stage are completed.
ところで、従来、建築物の外壁塗装において、目地部及び上記のような足場の壁つなぎ跡の塗膜汚染がしばしば問題になっている。その塗膜汚染は、目地部及び壁つなぎ跡の補修に使用したシーリング材に含まれる可塑剤が時間の経過（通常、１年から２年程度）とともに塗膜表面に滲み出て、すなわち塗膜表面に可塑剤がブリードして、空気中の塵埃を吸着することによって生じる。 By the way, conventionally, in the exterior wall coating of a building, the coating film contamination of the joint portion and the above-mentioned scaffolding wall joint has often been a problem. As for the contamination of the coating film, the plasticizer contained in the sealing material used for repairing joints and joints on the wall oozes out over the surface of the coating film over time (usually about 1 to 2 years). This occurs when the plasticizer bleeds on the surface and adsorbs dust in the air.
そして、シーリング材中の可塑剤移行による塗膜表面の汚染の問題は、時代の要求に応じて水系塗料の使用が溶剤系塗料に比べて多くなるにつれて顕在化してきた。水系塗料は、溶剤系塗料に比べて塗膜の緻密性がなく、可塑剤がブリードし易いからである。 The problem of contamination of the coating film surface due to plasticizer migration in the sealant has become apparent as the use of water-based paints increases in comparison with solvent-based paints according to the needs of the times. This is because the water-based paint does not have a dense coating film as compared with the solvent-based paint, and the plasticizer tends to bleed.
このような事情から、シーリング材のメーカー各社は、ノンブリードタイプのシーリング材の開発に着手し、これは５年程度前から使われはじめ、実用化されている。このタイプのシーリング材は、コーキングガンを使って施工する２液型ポリウレタン樹脂系であり、ホットライフに制約があるため、壁つなぎ除去跡の処理には作業性の面から使用できない。 Under these circumstances, manufacturers of sealing materials have begun development of non-bleed type sealing materials, which have been used for about five years and have been put into practical use. This type of sealing material is a two-component polyurethane resin system that is constructed using a caulking gun and has a limited hot life, so it cannot be used from the standpoint of workability for the treatment of the removal of wall-bonding.
このため、その後、おおよそ２年ほど前に、壁つなぎ除去跡へのシーリング材として、カートリッジを用いた１液型のノンブリードポリウレタン樹脂系のシーリング材が開発され、現在ではこのタイプのシーリング材が使用されている。ただ、現在、「ノンブリードシーリング材」として市販されている製品も、ブリードしにくい可塑剤を使っているだけであり、そのノンブリード効果も、メーカーによってかなりバラツキがあり、また、使い方によっては、本来の性能が発揮されないこともある。 For this reason, approximately one year later, a one-pack type non-bleed polyurethane resin-based sealant using a cartridge was developed as a sealant for the removal of wall joints, and now this type of sealant is used. in use. However, the products currently marketed as “Non-Bleed Sealing Materials” also use plasticizers that are difficult to bleed, and the non-bleed effect varies considerably depending on the manufacturer. The original performance may not be demonstrated.
壁つなぎ跡の処理の場合は、前述のとおり、作業時間に制約があるため、未硬化のシーリング材の上に上塗塗料の１回塗りのみで補修することになる。しかし、未硬化のシーリング材は、補修塗りした上塗塗料の乾燥、硬化を阻害し、塗膜の造膜を妨げる。その結果、正常塗膜であれば防止できたはずである、シーリング材に含まれる可塑剤のブリードをもたらす可能性が出てくる。補修塗りが終わった後に降雨、結露等があれば更に造膜性が悪くなる。 In the case of the process of connecting the wall, as described above, since the working time is limited, the repair is performed only by applying the top coating on the uncured sealing material. However, the uncured sealant hinders the drying and curing of the repaired top coat and hinders the film formation of the coating film. As a result, there is a possibility of causing bleeding of the plasticizer contained in the sealing material, which should have been prevented with a normal coating film. If there is rainfall, condensation, etc. after the repair coating is completed, the film-forming property is further deteriorated.
一方、塗料メーカーも前述のような可塑剤移行を防止するため、未硬化のシーリング材の上に塗るプライマー（ブリードオフプライマー、バリアプライマーなどと称されている。）を開発し、この問題に対処してきた。しかしながら、これらのプライマーは、目地部には有効であっても、前述のように作業時間に制約がある壁つなぎ処理には適していない。 On the other hand, paint manufacturers have developed primers (called bleed-off primers, barrier primers, etc.) to apply on uncured sealants to prevent the plasticizer migration as described above, and addressed this problem. I have done it. However, even though these primers are effective at the joints, they are not suitable for the wall joining process, which is limited in working time as described above.
このように、壁つなぎ部の塗装は、作業時間に制約があるため、上塗塗料の１回塗りのみであり、厳密に言えば、仕様書通り施工されなかったことになる。 In this way, since the wall connecting portion is limited in work time, it is applied only once with the top coating, and strictly speaking, it was not applied according to the specifications.
本発明は、壁つなぎ除去跡の補修に使用したシーリング材に含まれる可塑剤のブリードに起因する塗膜汚染や造膜性の問題を解決し、壁つなぎ部の周辺の塗膜外観との完全な均一化を可能にする、新規且つ有用な壁つなぎ除去跡の補修方法を提供することを目的とするものである。 The present invention solves the problems of coating film contamination and film forming caused by bleeding of the plasticizer contained in the sealing material used for repairing the removal of wall joints, and completes the coating film appearance around the wall joints. It is an object of the present invention to provide a novel and useful method for repairing a wall-joining removal trace that enables uniformization.
本発明は、ポリエチレンシート上に微弾性フィラーを塗付し、その上に下塗塗料の１層目と上塗塗料の２層目を塗付し、塗膜が乾燥した時点で、ポリエチレンシートから塗膜を剥がして壁つなぎの径のサイズに合わせて切断し、足場解体と並行してポリエチレンシートから剥がしたフリーフィルムをシーリング材面へ貼付することを特徴とする壁つなぎ除去跡の補修方法である。 In the present invention, a microelastic filler is applied onto a polyethylene sheet, a first layer of an undercoat paint and a second layer of an overcoat paint are applied thereon, and when the paint film is dried, the paint film is coated from the polyethylene sheet. This is a method for repairing a wall joint removal mark, characterized in that a free film peeled off from a polyethylene sheet is attached to the surface of a sealing material in parallel with the scaffold dismantling.
本発明は、予め塗膜すなわちフリーフィルムを作っておくことに着目し、下記の工程で補修することにより、壁つなぎ除去跡補修に係る前記問題点の解決を図ったものである。 The present invention pays attention to preparing a coating film, that is, a free film in advance, and is intended to solve the above-described problems associated with repairing a wall joint removal trace by repairing in the following steps.
〈（１）ポリエチレンシートによるフリーフィルムの作製〉
上塗塗料の１層目と上塗塗料の２層目を、微弾性フィラーを介して、ポリエチレンシートの上に塗る。図２は、本発明を説明する図で、その状態を示している。図２中、１１はポリエチレンシート、１２は微弾性フィラー（下塗）、１３は上塗塗料の１層目、１４は上塗塗料の２層目である。上塗塗料としては、１層目、２層目とも、アクリル樹脂系塗料、ウレタン樹脂系塗料またはシリコーン樹脂系塗料が用いられる。
<(1) Production of free film with polyethylene sheet>
The first layer of the top coat and the second layer of the top coat are applied on the polyethylene sheet via a fine elastic filler. FIG. 2 is a diagram for explaining the present invention and shows the state. In FIG. 2, 11 is a polyethylene sheet, 12 is a slightly elastic filler (undercoat), 13 is the first layer of the top coat, and 14 is the second layer of the top coat. As the top coating, acrylic resin-based paint, urethane resin-based paint or silicone resin-based paint is used for both the first and second layers.
〈（２）フリーフィルムを所定サイズに切断〉
塗膜が乾燥したら、ポリエチレンシートから塗膜を剥がし、その塗膜すなわちフリーフィルムを壁つなぎ部の広さサイズに合わせて切断する。
<(2) Cutting a free film into a predetermined size>
When the coating film is dried, the coating film is peeled off from the polyethylene sheet, and the coating film, that is, the free film, is cut according to the size of the wall joint.
〈（３）フリーフィルム片のシーリング材面への貼付〉
足場解体と並行してポリエチレンシートから剥がし、壁つなぎ部の広さサイズに合わせて切断たフリーフィルムを、壁つなぎ部周辺のシーリング材面へ貼付する。未硬化のシーリング材の粘着は、塗装する際にはマイナスになるが、この場合は、フリーフィルムの接着剤としてプラスに作用する。
<(3) Adhesion of free film piece to sealing material surface>
Along with the dismantling of the scaffold, the free film is peeled off from the polyethylene sheet and cut according to the size of the wall joints, and is applied to the surface of the sealing material around the wall joints. The adhesion of the uncured sealant becomes negative when painting, but in this case, it acts positively as an adhesive for the free film.
このように、本発明によれば、シーリング材面の上に正常な塗膜が形成されることになり、可塑剤のブリードが防止できる。また、従来の上塗塗料の１回塗りしかできなかった場合と異なり、仕様書通りの施工がされることになり、壁つなぎ部の周辺の塗膜外観との、完全な均一化が可能となる。 Thus, according to the present invention, a normal coating film is formed on the surface of the sealing material, and bleeding of the plasticizer can be prevented. In addition, unlike the case where the conventional top coat can only be applied once, the construction will be performed according to the specifications, and the coating film appearance around the wall joint will be completely uniform. .
１ 建築物
２ 建築物に設けられたアンカー
３ 壁つなぎ
４ アンカー２に対するボルト
５ 建枠７に対する係止部分
６ 足場
７ 建枠
１１ ポリエチレンシート
１２ 微弾性フィラー（下塗）
１３ 上塗塗料の１層目
１４ 上塗塗料の２層目
DESCRIPTION OF SYMBOLS 1 Building 2 Anchor provided in building 3 Wall connection 4 Bolt to anchor 2 5 Locking part to building frame 6 Scaffold 7 Building frame 11
13 First layer of
Claims (2)
2. The method for repairing a wall joint removal trace according to claim 1, wherein the first layer of the top coating and the second layer of the top coating are acrylic resin-based paint, urethane resin-based paint, or silicone resin-based paint. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005329865A JP4149478B2 (en) | 2005-11-15 | 2005-11-15 | How to repair wall splicing removal traces |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005329865A JP4149478B2 (en) | 2005-11-15 | 2005-11-15 | How to repair wall splicing removal traces |
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| Publication Number | Publication Date |
|---|---|
| JP2007138410A JP2007138410A (en) | 2007-06-07 |
| JP4149478B2 true JP4149478B2 (en) | 2008-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2005329865A Expired - Fee Related JP4149478B2 (en) | 2005-11-15 | 2005-11-15 | How to repair wall splicing removal traces |
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| Country | Link |
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| JP (1) | JP4149478B2 (en) |
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| Publication number | Publication date |
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| JP2007138410A (en) | 2007-06-07 |
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