JP2020020171A - Construction method of interior finish decorative panel - Google Patents

Construction method of interior finish decorative panel Download PDF

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JP2020020171A
JP2020020171A JP2018145102A JP2018145102A JP2020020171A JP 2020020171 A JP2020020171 A JP 2020020171A JP 2018145102 A JP2018145102 A JP 2018145102A JP 2018145102 A JP2018145102 A JP 2018145102A JP 2020020171 A JP2020020171 A JP 2020020171A
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double
adhesive tape
sensitive adhesive
ceramic
sided
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工藤 誠司
Seiji Kudo
誠司 工藤
久保 剛
Takeshi Kubo
剛 久保
拓 ▲柳▼橋
拓 ▲柳▼橋
Hiroshi Yanagihashi
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A&A Material Corp
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Abstract

To provide a construction method of a decorative panel allowing reliable fixation, simple work, and excellent work efficiency.SOLUTION: A construction method of an interior finish decorative panel is to secure a ceramic decorative wall on a surface of a gypsum wallboard for an underlayer only with a double-sided adhesive tape, wherein the double-sided adhesive is configured by coating acrylic adhesive or polyester adhesive on both sides of an elastic polymer foam base with a thickness from 0.5 to 2.5 mm and a width from 15 to 35 mm, of which at least one side surface of the double-sided adhesive tape is provided with a release liner, and impregnation sealer is coated on a rear surface of the ceramic decorative wall.SELECTED DRAWING: Figure 2

Description

本発明は、化粧板の施工方法、より詳しくは建築物の内装壁面および天井面に対し、仕上材として窯業系化粧板を施工する方法に関する。   The present invention relates to a decorative panel construction method, and more particularly, to a method of constructing a ceramic decorative panel as a finishing material on an interior wall surface and a ceiling surface of a building.

従来から、建築物の内装仕上材として繊維強化セメント板等の窯業系材料を基板とし、その表面に塗膜層を形成し、あるいは化粧フィルムを接着した、不燃性の窯業系化粧板が広く使われている。窯業系化粧板は、工場生産により化粧面の品質が安定しており、施工後の現場塗装も必要無いため工期が短縮できるといったメリットがある。また、建築基準法の内装制限を受けるような大型の建築物に必要な不燃性能を容易に確保出来ることも窯業系化粧板が普及した要因といえる。   Conventionally, non-flammable ceramic decorative panels, which use ceramic materials such as fiber-reinforced cement boards as substrates for interior finishing materials of buildings and form a coating layer on their surface or adhere a decorative film, have been widely used. Have been done. The ceramic decorative panel has the advantage that the quality of the decorative surface is stable due to factory production, and there is no need for on-site painting after construction, so the construction period can be shortened. In addition, the fact that the non-flammable performance required for large buildings that are subject to the interior restrictions of the Building Standards Law can be easily ensured is also a factor in the spread of ceramic decorative panels.

窯業系化粧板の施工方法としては、軽量鉄骨等に、せっこうボードをビス留めした下地を組み、その上に仮止め用の両面粘着テープと弾性接着剤を併用して固定する、いわゆる接着工法が主流となっている(特許文献1)。この接着工法では、施工直後の固定を仮止め用の両面粘着テープが担い、その後に弾性接着剤が硬化することで恒久的に固定される構成となっており、ビス留めに比べて仕上がりがきれいなため広く採用されている。また、こうした従来型の接着工法の改良技術として、弾性接着剤の代わりに硬化性を有する接着剤を塗布した両面接着テープを用い、これを仮止め用の両面粘着テープと併用することによりテープのみで行える施工方法も提案されている(特許文献2)。   The construction method of ceramic decorative panels is a so-called adhesive method, in which a gypsum board is screwed onto a lightweight steel frame, etc., and a double-sided adhesive tape for temporary fixing and an elastic adhesive are used together and fixed. (Patent Document 1). In this bonding method, the double-sided pressure-sensitive adhesive tape for temporary fixing plays the role of fixing immediately after construction, and then the elastic adhesive is cured to be permanently fixed. Because it is widely adopted. In addition, as an improved technique of such a conventional bonding method, instead of using an elastic adhesive, a double-sided adhesive tape coated with a curable adhesive is used, and this is used together with a double-sided adhesive tape for temporary fixing. There is also proposed a construction method that can be performed by using the method (Patent Document 2).

特開平4−312671号公報Japanese Patent Application Laid-Open No. 4-312671 特開平7−18818号公報JP-A-7-18818

しかし、特許文献1のような接着工法では、現場での弾性接着剤の塗布に手間と時間がかかり、また作業者の違いによって弾性接着剤の塗布量にばらつきが生じ易いことから、施工品質の確保という面の不安もある。近年、建築現場においては慢性的な労働力不足と作業者の高齢化が進む傾向にあり、これに対応すべく現状よりも効率が良く、より簡易的な内装材の施工方法に対する要求が高まっている。特許文献2のようにテープのみで行える施工方法は、一見すると簡易で効率が良い施工方法と考えられるが、硬化性を有する両面接着テープは、使用するまでの保存安定性等に問題があり、また併用する仮止め用の両面粘着テープとの使い分けが繁雑となるため、取り違えが生じた場合には脱落等のリスクが生じるといった問題がある。   However, in the bonding method as disclosed in Patent Document 1, it takes time and effort to apply the elastic adhesive on site, and the amount of the elastic adhesive applied tends to vary depending on the operator. There is also anxiety about securing. In recent years, chronic labor shortages and the aging of workers have been on the rise at construction sites, and there has been a growing demand for more efficient and simpler methods of installing interior materials to respond to this. I have. The construction method that can be performed only with tape as in Patent Document 2 is considered to be a simple and efficient construction method at first glance, but a double-sided adhesive tape having curability has a problem in storage stability and the like until use, In addition, since it is complicated to use the double-sided pressure-sensitive adhesive tape for temporary fixing in combination, there is a problem that a risk of falling off occurs if a mistake occurs.

従って、本発明の課題は、化粧板の固定の効率が良好で、操作が簡便かつ品質の安定した施工方法を提供することにある。   Therefore, an object of the present invention is to provide a construction method in which the efficiency of fixing a decorative board is good, the operation is simple, and the quality is stable.

そこで本発明者は、前記の問題点について鋭意検討した結果、下貼りをせっこうボードに、仕上材を窯業系化粧板に限定した上で、双方の被着面に対する接着性が良好な粘着剤層を、長期にわたって安定した弾性を有するポリマーフォーム基材の両面に形成し、かつ片面に剥離ライナーを有する両面粘着テープのみを用いてせっこうボードと窯業系化粧板とを圧着固定すれば、仮止め用両面粘着テープが担う初期接着力と、硬化性の接着剤が担う恒久接着力の両方の機能を、1種類の両面粘着テープのみで担保できる施工方法を見出し、本発明を完成した。   The inventor of the present invention has conducted intensive studies on the above-mentioned problems, and as a result, has set the finishing material to a ceramic veneer, and applied the adhesive to both surfaces to be adhered. If a layer is formed on both sides of a polymer foam substrate having stable elasticity over a long period of time, and the gypsum board and the ceramic decorative board are pressure-fixed using only a double-sided adhesive tape having a release liner on one side, temporary The present inventors have found a construction method in which both functions of the initial adhesive strength of the double-sided pressure-sensitive adhesive tape and the permanent adhesive strength of the curable adhesive can be ensured by only one type of double-sided adhesive tape, and completed the present invention.

すなわち、本発明は、次の〔1〕〜〔8〕を提供するものである。   That is, the present invention provides the following [1] to [8].

〔1〕下貼りであるせっこうボードの表面に窯業系化粧板を両面粘着テープのみで固定する内装仕上化粧板の施工方法であって、
前記両面粘着テープは、厚さ0.5〜2.5mm、幅15〜35mmの弾性ポリマーフォーム基材の両面に、アクリル系粘着剤またはポリエステル系粘着剤を塗布してなるものであり、
少なくとも前記両面粘着テープの片側の面には剥離ライナーを備えており、
前記窯業系化粧板の裏面には含浸シーラーが塗布されていることを特徴とする内装仕上化粧板の施工方法。
〔2〕前記弾性ポリマーフォーム基材が、独立気泡を多量に含むアクリルフォーム、ポリエステルフォームまたはポリエチレンフォームであり、その引張弾性率が10〜20MPaであることを特徴とする〔1〕記載の内装仕上化粧板の施工方法。
〔3〕前記窯業系化粧板が、かさ密度0.6〜1.2g/cmの化粧けい酸カルシウム板であることを特徴とする〔1〕または〔2〕に記載の内装仕上化粧板の施工方法。
〔4〕前記含浸シーラーが、湿気硬化型のポリウレタン樹脂系の無溶剤含浸シーラーであり、塗布量が5〜30g/mであることを特徴とする〔1〕〜〔3〕のいずれかに記載の内装仕上化粧板の施工方法。
〔5〕窯業系化粧板裏面とせっこうボードを前記両面粘着テープで接着したときの平面引張強度が0.2MPa以上であり、かつ前記窯業系化粧板1枚あたりに対する前記両面粘着テープによる接着面積の割合が、8〜20%であることを特徴とする〔1〕〜〔4〕のいずれかに記載の内装仕上化粧板の施工方法。
〔6〕前記窯業系化粧板裏面の外周端部から5〜10mmあけた位置に額縁状に前記両面粘着テープを圧着し、該両面粘着テープで額縁状に囲われた内側の部分に長手方向に平行な向きで間隔をあけて少なくとも2本以上のスジ状に長手方向全長にわたって前記両面粘着テープを配置して圧着し、次いで剥離ライナーを剥がしてから該窯業系化粧板を壁面または天井面に下貼りされたせっこうボードの表面に圧着して固定することを特徴とする〔1〕〜〔5〕のいずれかに記載の内装仕上化粧板の施工方法。
〔7〕窯業系化粧板の製造工場または加工場において、あらかじめ施工する壁面あるいは天井面の割付けに合わせた寸法および数量の窯業系化粧板の裏面に対し、前記両面粘着テープを配置して圧着したものを作成し、当該両面粘着テープ付窯業系化粧板を施工現場に搬入したのち、剥離ライナーを剥がしてから壁面または天井面に下貼りされたせっこうボードの表面に圧着して固定することを特徴とする〔6〕に記載の内装仕上化粧板の施工方法。
〔8〕壁面または天井面に下貼りされたせっこうボードの表面に、仕上施工する窯業系化粧板の割付け位置および寸法に対し、外周端部から5〜10mmあけた位置に額縁状に前記両面粘着テープを圧着し、該両面粘着テープで額縁状に囲われた内側の部分に長手方向に平行な向きで間隔をあけて少なくとも2本以上のスジ状に長手方向全長にわたって前記両面粘着テープを配置して圧着し、次いで剥離ライナーを剥がしてから当該両面粘着テープに窯業系化粧板の裏面を圧着して固定することを特徴とする〔1〕〜〔5〕のいずれかに記載の内装仕上化粧板の施工方法。
[1] A method of constructing an interior decorative veneer in which a ceramic veneer is fixed to the surface of a gypsum board, which is an underlay, with only double-sided adhesive tape,
The double-sided pressure-sensitive adhesive tape is formed by applying an acrylic pressure-sensitive adhesive or a polyester-based pressure-sensitive adhesive to both sides of an elastic polymer foam substrate having a thickness of 0.5 to 2.5 mm and a width of 15 to 35 mm,
At least one side of the double-sided adhesive tape is provided with a release liner,
A method for constructing an interior finish veneer, wherein an impregnated sealer is applied to a back surface of the ceramic veneer.
[2] The interior finish according to [1], wherein the elastic polymer foam substrate is an acrylic foam, a polyester foam or a polyethylene foam containing a large amount of closed cells, and has a tensile modulus of 10 to 20 MPa. Construction method of decorative board.
[3] The interior decorative decorative panel according to [1] or [2], wherein the ceramic decorative panel is a decorative calcium silicate panel having a bulk density of 0.6 to 1.2 g / cm 3 . Construction method.
[4] The method according to any one of [1] to [3], wherein the impregnated sealer is a moisture-curable polyurethane resin-based non-solvent impregnated sealer having an application amount of 5 to 30 g / m 2. Construction method of interior finish decorative board described.
[5] The plane tensile strength when the back side of the ceramic decorative panel and the gypsum board are bonded with the double-sided adhesive tape is 0.2 MPa or more, and the bonding area of the ceramic decorative panel with the double-sided adhesive tape per sheet. The method of constructing an interior finish decorative panel according to any one of [1] to [4], wherein the proportion of the interior finish is 8 to 20%.
[6] The double-sided pressure-sensitive adhesive tape is pressure-bonded in a frame shape at a position 5 to 10 mm apart from the outer peripheral edge of the ceramic decorative panel back surface, and is longitudinally attached to the inner portion surrounded by the double-sided pressure-sensitive adhesive tape in a frame shape. The double-sided pressure-sensitive adhesive tape is arranged in at least two or more stripes at intervals in a parallel direction over the entire length in the longitudinal direction and pressure-bonded, and then the release liner is peeled off, and then the ceramic decorative panel is placed on a wall or ceiling surface. The method for applying an interior finish decorative panel according to any one of [1] to [5], wherein the interior finish decorative panel is fixed by being pressure-bonded to the surface of a stuck gypsum board.
[7] At a manufacturing plant or a processing plant for a ceramic decorative panel, the double-sided adhesive tape was placed and pressed against the rear surface of the ceramic decorative panel in a size and quantity corresponding to the layout of the wall or ceiling surface to be pre-constructed. After making the thing, carrying the ceramic decorative board with double-sided adhesive tape to the construction site, peeling off the release liner, then pressing and fixing it to the surface of the gypsum board attached to the wall or ceiling surface The method for constructing an interior decorative veneer according to [6].
[8] On the surface of the gypsum board stuck below on the wall or ceiling, the two sides are framed at a position 5 to 10 mm apart from the outer peripheral edge with respect to the layout position and dimensions of the ceramic decorative panel to be finished. The pressure-sensitive adhesive tape is pressure-bonded, and the double-sided pressure-sensitive adhesive tape is arranged over at least two or more stripes at intervals in a direction parallel to the longitudinal direction on the inner part surrounded by the double-sided pressure-sensitive adhesive tape in a frame shape. The interior finishing cosmetic according to any one of [1] to [5], wherein the peeling liner is peeled off, and then the back surface of the ceramic decorative panel is pressed and fixed to the double-sided adhesive tape. Construction method of the board.

本発明の内装仕上化粧板の施工方法によれば、せっこうボードの下貼り面に対し、中間層に特定の厚さを有する弾性ポリマーフォーム基材を有する両面粘着テープのみを用いて効率よく窯業系化粧板を固定することが可能であり、建設現場の労働力不足に対応しうる簡易かつ品質の安定した内装材の施工方法を提供することができる。   According to the method for constructing an interior finish decorative sheet of the present invention, a ceramic industry can be efficiently manufactured by using only a double-sided adhesive tape having an elastic polymer foam base material having a specific thickness in an intermediate layer, with respect to a gypsum board underlaying surface. The present invention can provide a simple and stable method for installing interior materials that can fix a decorative panel and can cope with a shortage of labor at a construction site.

本発明に用いる両面粘着テープの基本構造を示す図である。It is a figure showing the basic structure of the double-stick tape used for the present invention. 窯業系化粧板の裏面への両面粘着テープの配置例を示す図である。It is a figure which shows the example of arrangement | positioning of the double-sided adhesive tape on the back surface of a ceramic decorative panel. 両面粘着テープの平面引張試験方法の概要を示す図である。It is a figure which shows the outline | summary of the plane tensile test method of a double-sided adhesive tape. 本発明方法により施工した窯業系化粧板の動的変形能試験方法の概要を示す図である。It is a figure which shows the outline | summary of the dynamic deformability test method of the ceramic-type decorative board constructed by the method of this invention.

本発明の内装仕上化粧板の施工方法は、下貼りがせっこうボードであり、その表面に窯業系化粧板を両面粘着テープのみで固定する施工方法であって、
前記両面粘着テープは、厚さ0.5〜2.5mm、幅15〜35mmの弾性ポリマーフォーム基材の両面に、アクリル系粘着剤またはポリエステル系粘着剤を塗布してなるものであり、
少なくとも前記両面粘着テープの片側の面には剥離ライナーを備えており、
前記窯業系化粧板の裏面には含浸シーラーが塗布されていることを特徴とする。
The construction method of the interior finish decorative board of the present invention is a gypsum board under the paste, a construction method of fixing the ceramic decorative board on the surface with only double-sided adhesive tape,
The double-sided pressure-sensitive adhesive tape is formed by applying an acrylic pressure-sensitive adhesive or a polyester-based pressure-sensitive adhesive to both sides of an elastic polymer foam substrate having a thickness of 0.5 to 2.5 mm and a width of 15 to 35 mm,
At least one side of the double-sided adhesive tape is provided with a release liner,
An impregnated sealer is applied to the back surface of the ceramic decorative panel.

下貼りのせっこうボードとしては、特に限定されるものではなく一般的な建築物の内装の下貼りに用いられるものであり、好ましくはJIS A 6901に準拠したせっこうボード、強化せっこうボード、シージングせっこうボード等が適用できる。
下貼りがせっこうボードであることにより、前記両面粘着テープのみで窯業系化粧板を簡便かつ効率良く固定可能となる。
The gypsum board of the underlay is not particularly limited, and is used for underlay of a general building interior. Preferably, a gypsum board based on JIS A 6901, a reinforced gypsum board, A sheathing gypsum board or the like can be applied.
The gypsum board can be used to fix a ceramic decorative panel simply and efficiently with only the double-sided adhesive tape.

本発明に用いる窯業系化粧板は、基板となる窯業系ボードの片側の面に、塗装、印刷、シート貼り等により化粧層を形成させた建築材料であり、建築物の内装仕上材として広く用いられているものである。基板となる窯業系ボードとしては、特に限定されるものではないが、繊維強化セメント板、繊維強化せっこう板等が挙げられ、なかでもJIS A 5430に規定された繊維強化セメント板の一種であるけい酸カルシウム板は、かさ密度が0.6〜1.2g/cm3と軽量であり、かつ適度な柔軟性と強度を持つことから、本発明施工方法の適用に特に適している。窯業系化粧板の化粧層を形成した側と反対側の面(裏面)は、前記両面粘着テープを用いた圧着による施工に適するよう含浸シーラーを塗布しておくことが好ましい。含浸シーラーは、特に、VOC(揮発性有機化合物)の放散源とならないよう湿気硬化型のポリウレタン樹脂系シーラー等の無溶剤含浸シーラーであることが好ましい。 The ceramic decorative board used in the present invention is a building material in which a decorative layer is formed on one side of a ceramic board serving as a substrate by coating, printing, sheet pasting, etc., and is widely used as an interior finishing material for buildings. It is what is being done. The ceramic board serving as a substrate is not particularly limited, and examples thereof include a fiber-reinforced cement board and a fiber-reinforced gypsum board, and among them, a type of fiber-reinforced cement board specified in JIS A 5430. The calcium silicate plate is particularly suitable for the application of the construction method of the present invention because it is lightweight, having a bulk density of 0.6 to 1.2 g / cm 3 , and has appropriate flexibility and strength. It is preferable to apply an impregnated sealer to the surface (rear surface) of the ceramic decorative panel opposite to the side on which the decorative layer is formed, so as to be suitable for application by pressure bonding using the double-sided adhesive tape. The impregnated sealer is particularly preferably a solvent-free impregnated sealer such as a moisture-curable polyurethane resin-based sealer so as not to be a source of VOCs (volatile organic compounds).

本発明に用いる両面粘着テープの基本構成を図1に示す。弾性ポリマーフォームで形成された基材の両面に粘着剤が塗布されており、少なくともその片側の面には剥離ライナーを備えている。これを紙管に巻き取るなどにより、1巻あたり10〜15m程度のテープとするのが施工現場での使用に適している。また、必要に応じて基材表面をプライマー処理することにより基材と粘着剤をより強固に接着しておくこともできる。窯業系化粧板を固定するために必要な両面粘着テープの使用量の増加を防止し、施工効率および、コストを上昇させない点から、せっこうボードとシーラー処理してある窯業系化粧板の裏面を両面粘着テープで接着し、接着面に対して垂直方向に引張って接着力を測定したときの平面引張強度が0.2MPa以上であることが好ましく、0.3MPa以上であることがより好ましい。   FIG. 1 shows the basic configuration of the double-sided pressure-sensitive adhesive tape used in the present invention. A pressure-sensitive adhesive is applied to both sides of a substrate formed of an elastic polymer foam, and at least one surface thereof has a release liner. It is suitable for use at a construction site to form a tape of about 10 to 15 m per roll by winding this around a paper tube. In addition, by subjecting the surface of the base material to a primer treatment as required, the base material and the adhesive can be more firmly bonded. In order to prevent the increase in the amount of double-sided adhesive tape required to fix the ceramic decorative panel, and to increase the construction efficiency and cost, the gypsum board and the back side of the ceramic decorative panel treated with a sealer are used. The two-sided pressure-sensitive adhesive tape is used for bonding, and the tensile strength in a plane measured by pulling in the direction perpendicular to the bonding surface and measuring the bonding strength is preferably 0.2 MPa or more, more preferably 0.3 MPa or more.

両面粘着テープに用いる基材としては、窯業系化粧板の裏面にある凹凸や、せっこうボードの下貼り表面の不陸を吸収し、施工時に均一な圧着力で貼り付けられるようにある程度の厚さと弾性を持つ弾性ポリマーフォームが適用される。好ましい材質としてはアクリルフォーム、ポリエステルフォーム、ポリエチレンフォームなどの弾性ポリマーフォームが挙げられるが、なかでもポリエチレンフォームは加工がしやすく安価なことから使いやすい素材といえる。ただし、通常の低密度ポリエチレン(LDPE)では、発泡剤を添加してシート状のポリマーフォームとした場合にやわらかすぎて弾性の足りないシートとなってしまう。このため、適度な弾性を持たせるためにエチレン・アクリル酸エチル共重合体などの別のエチレン系樹脂をブレンドして用いるのが好ましい。   The base material used for the double-sided adhesive tape has a certain thickness so that it can absorb irregularities on the back of the ceramic decorative panel and unevenness of the gypsum board underlay surface, and can be applied with a uniform pressing force during construction. An elastic polymer foam having high elasticity is applied. Preferred materials include elastic polymer foams such as acrylic foams, polyester foams, and polyethylene foams. Among them, polyethylene foams are easy to use because they are easy to process and inexpensive. However, in the case of ordinary low-density polyethylene (LDPE), when a foaming agent is added to form a sheet-like polymer foam, the sheet becomes too soft and lacks elasticity. For this reason, it is preferable to blend and use another ethylene-based resin such as an ethylene-ethyl acrylate copolymer in order to impart appropriate elasticity.

また、当該弾性ポリマーフォーム基材は、厚さ0.5〜2.5mm、幅15〜35mmであることが、少ない使用量で確実な固定を実現する点で好ましい。より好ましくは、1.0〜2.0mm、幅20〜30mmである。さらに、独立気泡を多く含む成形体とすることにより、適度な弾性を安定して維持することができる。基材である弾性ポリマーフォームの特性としては、厚さ方向の発泡倍率が2.5〜5倍の範囲であるのが好ましい。また、厚さ1mmの基材(または両面粘着テープ)を、幅20mm、長さ150mmの試験片(JIS A 712 6.1.1試験片タイプ2)とし、チャックスパン100mm、引張速度300mm/minで長さ方向に引張ったときの引張弾性率(応力−ひずみ曲線における弾性域の回帰直線の傾き)が10〜20MPaであることが好ましく、10〜15MPaであることがより好ましい。引張弾性率が小さすぎると、軟らかすぎて窯業系化粧板を長期にわたって固定する場合に基材のひずみによるズレや浮きが発生しやすくなるため好ましくなく、大きすぎると硬すぎて下貼りの不陸を吸収できないため仕上がりの平面性に劣り、また窯業系化粧板裏面の凹凸とのなじみが悪くなるため十分な接着力を得ることができない。本来の使用目的からすると圧縮弾性率で評価するのが適当と考えられるが、厚さ1mm程度のシート状では圧縮試験が困難なため、代用特性として引張弾性率の値で評価した。   The elastic polymer foam substrate preferably has a thickness of 0.5 to 2.5 mm and a width of 15 to 35 mm from the viewpoint of realizing secure fixing with a small amount of use. More preferably, it is 1.0 to 2.0 mm and width is 20 to 30 mm. Furthermore, by forming a molded body containing many closed cells, appropriate elasticity can be stably maintained. As the characteristics of the elastic polymer foam as the base material, the expansion ratio in the thickness direction is preferably in the range of 2.5 to 5 times. A 1 mm thick substrate (or double-sided adhesive tape) was used as a test piece (JIS A 712 6.1.1 test piece type 2) having a width of 20 mm and a length of 150 mm, a chuck span of 100 mm, and a pulling speed of 300 mm / min. Is preferably 10 to 20 MPa, more preferably 10 to 15 MPa, when the film is stretched in the length direction in the above manner (the slope of the regression line of the elastic region in the stress-strain curve). If the tensile modulus is too small, it is too soft, and when fixing the ceramic decorative panel for a long period of time, it is not preferable because it tends to cause displacement and floating due to distortion of the base material. Cannot be absorbed, so that the finished flatness is inferior, and the adhesion to the irregularities on the back of the ceramic decorative board is poor, so that sufficient adhesive strength cannot be obtained. It is considered appropriate to evaluate the compression elastic modulus from the original purpose of use. However, it is difficult to perform a compression test with a sheet having a thickness of about 1 mm.

両面粘着テープに用いる粘着剤としては、長期にわたり強い粘着力を安定して維持できることが必要であり、アクリル系粘着剤やポリエステル系粘着剤などが有用である。特にアクリル系粘着剤は粘着力が強く、無溶剤での加工が容易であるため適している。建築物の内装材の施工に使われるものとしては、VOC(揮発性有機加工物)を発散しないものが好ましく、この点からも無溶剤アクリル系粘着剤が好適である。また、粘着剤は、アクリル樹脂等のベース材料に対し、粘着付与剤、架橋剤、老化防止剤等の各種添加剤を加えたものを使用することもできる。添加剤を加えることにより、強力な粘着力を長期間維持できるよう改良できると共に、本発明で用いる粘着剤においては、被着体であるせっこうボードの表面材(板紙)およびシーラー処理された窯業系化粧板の裏面の双方に対する接着性が良好な粘着剤となるよう添加剤を調整して用いるのが好ましい。また、粘着剤の塗布量は、両面粘着テープの片面あたり80〜150μmが好ましい。塗布量が少なすぎると窯業系化粧板の裏面の凹凸に入り込んで密着するのに不十分であり、多すぎると施工後に粘着剤層でズレを生じやすくなり、長期的な保持特性が低下する可能性がある。   As the pressure-sensitive adhesive used for the double-sided pressure-sensitive adhesive tape, it is necessary to stably maintain a strong pressure-sensitive adhesive force over a long period of time, and an acrylic pressure-sensitive adhesive or a polyester-based pressure-sensitive adhesive is useful. In particular, acrylic pressure-sensitive adhesives are suitable because they have strong adhesiveness and can be easily processed without solvent. As a material used for building interior materials, a material that does not emit VOC (volatile organic processed material) is preferable, and a solvent-free acrylic pressure-sensitive adhesive is also preferable in this regard. Further, as the pressure-sensitive adhesive, a material obtained by adding various additives such as a tackifier, a cross-linking agent, and an antioxidant to a base material such as an acrylic resin can be used. By adding an additive, the adhesive can be improved so that a strong adhesive strength can be maintained for a long period of time. In addition, in the adhesive used in the present invention, a surface material (paperboard) of a gypsum board as an adherend and a ceramic treated with a sealer are used. It is preferable to use additives after adjusting the additives so that the adhesive has good adhesiveness to both of the back surface of the decorative panel. The amount of the adhesive applied is preferably 80 to 150 μm per one side of the double-sided adhesive tape. If the coating amount is too small, it will be insufficient to penetrate into the irregularities on the back of the ceramic decorative panel and adhere to it.If it is too large, the pressure-sensitive adhesive layer will tend to shift after construction, and the long-term holding properties may be reduced. There is.

本発明で用いられる両面粘着テープは、少なくともその片側の面に剥離ライナーを備えている。剥離ライナーは、紙またはプラスチックフィルムの表面に、長鎖アルキル系またはシリコーン系の剥離剤を薄く塗布したものであり、使用する粘着剤の性質に合わせたものを適宜用いることができる。   The double-sided pressure-sensitive adhesive tape used in the present invention has a release liner on at least one side thereof. The release liner is formed by thinly coating a long-chain alkyl-based or silicone-based release agent on the surface of paper or a plastic film, and a release liner suitable for the properties of the adhesive to be used can be used as appropriate.

本発明の施工方法の手順としては、まず仕上材として用いる窯業系化粧板の裏面(せっこうボードと固定する面)の外周端部から5〜10mmあけた位置に額縁状に前記両面粘着テープを圧着し、該両面粘着テープで額縁状に囲われた内側の部分に長手方向に平行な向きで間隔をあけて少なくとも2本以上のスジ状に長手方向全長にわたって前記両面粘着テープを配置して圧着し(図2参照)、次いで剥離ライナーを剥がしてから該窯業系化粧板を壁面または天井面に下貼りされたせっこうボードの表面に圧着して固定する方法がある。この手順は、段取りが容易であり、両面粘着テープの配置、圧着が済んだ窯業系化粧板を1枚ずつ位置合わせをしながら施工できるため比較的経験の浅い施工員であっても容易にきれいな仕上がりとすることができる。また、施工現場での作業負担をさらに軽減できる方法として、窯業系化粧板の製造工場または加工場において、あらかじめ施工する壁面あるいは天井面の割付けに合わせた寸法および数量の窯業系化粧板の裏面に対し、前記両面粘着テープを配置して圧着したものを作成し、当該両面粘着テープ付窯業系化粧板を施工現場に搬入したのち、剥離ライナーを剥がしてから壁面または天井面に下貼りされたせっこうボードの表面に圧着して固定することもできる。こうすることで、施工現場での作業効率は飛躍的に向上することが期待できる。   As a procedure of the construction method of the present invention, first, the double-sided adhesive tape is framed at a position 5 to 10 mm apart from the outer peripheral edge of the back surface of the ceramic decorative board used as a finishing material (the surface to be fixed to the gypsum board). The double-sided pressure-sensitive adhesive tape is placed on the inner part surrounded by the double-sided pressure-sensitive adhesive tape in a frame shape at intervals in a direction parallel to the longitudinal direction, and the double-sided pressure-sensitive adhesive tape is arranged in at least two or more stripes over the entire length in the longitudinal direction. Then, there is a method in which the release liner is peeled off, and then the ceramic decorative panel is pressure-bonded to the surface of a gypsum board which is attached to a wall surface or a ceiling surface, and fixed. This procedure is easy to set up, and it is possible to arrange the double-sided adhesive tape and align the pressure-bonded ceramic decorative panels one by one, so that even relatively inexperienced installers can easily clean the decorative panels. It can be finished. In addition, as a method that can further reduce the work load at the construction site, at the manufacturing plant or processing plant of ceramic decorative veneers, on the back side of the ceramic decorative veneer of dimensions and quantity according to the allocation of the wall or ceiling surface to be pre-constructed On the other hand, the double-sided pressure-sensitive adhesive tape was placed and pressure-bonded was prepared, the ceramic decorative panel with the double-sided pressure-sensitive adhesive tape was carried into the construction site, and then the release liner was peeled off and the lower surface was adhered to the wall or ceiling surface. It can also be fixed by crimping on the surface of the board. By doing so, it can be expected that work efficiency at the construction site will be dramatically improved.

もう一つの手順としては、壁面または天井面に下貼りされたせっこうボードの表面に、仕上施工する窯業系化粧板の割付け位置および寸法に合わせ、施工する窯業系化粧板と対向する位置の外周端部から5〜10mmあけた位置に額縁状に前記両面粘着テープを圧着し、該両面粘着テープで額縁状に囲われた内側の部分に長手方向に平行な向きで間隔をあけて少なくとも2本以上のスジ状に長手方向全長にわたって前記両面粘着テープを配置して圧着し、次いで剥離ライナーを剥がしてから当該両面粘着テープに窯業系化粧板の裏面を圧着して固定する方法がある。この手順では、壁面または天井面に下貼りされたせっこうボード表面に対し先に両面粘着テープを配置、圧着しておくことで、段取りには手間がかかるものの、仕上材の貼付けを一気に進めることができる。また、複数人の施工員で作業する場合には、先行して段取り作業を進めておくことで全体の施工効率を上げることが可能と考えられる。さらに、この手順で施工する場合、下貼りのせっこうボードの目地位置を避けて両面粘着テープを配置することが容易であるため、意図しない接着面積の減少を回避して、より安全な仕上がりとすることができる。   Another procedure is to fit the layout and size of the ceramic veneer to be finished on the surface of the gypsum board attached to the wall or ceiling, and the outer periphery of the position facing the ceramic veneer to be constructed The double-sided pressure-sensitive adhesive tape is pressed in a frame shape at a position spaced from the end by 5 to 10 mm, and at least two tapes are spaced apart in a direction parallel to the longitudinal direction on an inner portion surrounded by the double-sided pressure-sensitive adhesive tape in a frame shape. There is a method in which the double-sided pressure-sensitive adhesive tape is arranged in the above-mentioned streak shape over the entire length in the longitudinal direction and pressure-bonded, then the release liner is peeled off, and then the back surface of the ceramic decorative board is pressed and fixed to the double-sided pressure-sensitive adhesive tape. In this procedure, the double-sided adhesive tape is first placed on the surface of the gypsum board attached to the wall or ceiling, and then pressure-bonded. Can be. In the case where a plurality of construction workers work, it is considered that the overall construction efficiency can be improved by performing the setup work in advance. In addition, when installing by this procedure, it is easy to place the double-sided adhesive tape avoiding the joint position of the gypsum board of the lower paste, avoiding unintentional reduction of the adhesive area, providing a safer finish can do.

本発明の施工方法における両面粘着テープは、図2に示すように、仕上材として用いる窯業系化粧板の裏面の外周端部から5〜10mmあけた位置における額縁状および該額縁状に囲われた内側の部分に長手方向に平行な向きで間隔をあけて少なくとも2本以上のスジ状に長手方向全長にわたって前記両面粘着テープを配置することを基本とするのが好ましい。この際、配置した両面粘着テープの総面積が、該窯業系化粧板の面積に対して8〜20%、より好ましくは10〜20%の範囲とするのが適切である。配置した両面粘着テープの総面積が該窯業系化粧板の面積に対して小さすぎると窯業系化粧板を固定して支えるための接着力が不十分となり、脱落の危険性があるほか、窯業系化粧板の吸放湿による反りで端部が剥がれたりするおそれがあるため好ましくなく、大きすぎると過剰に両面粘着テープのコストが膨らんで経済性が著しく低下するため好ましくない。   As shown in FIG. 2, the double-sided adhesive tape in the construction method of the present invention was surrounded by a frame shape and a frame shape at a position 5 to 10 mm apart from the outer peripheral edge of the back surface of the ceramic decorative board used as a finishing material. It is preferable to basically arrange the double-sided pressure-sensitive adhesive tape in at least two or more stripes over the entire length in the longitudinal direction at intervals in the direction parallel to the longitudinal direction on the inner part. At this time, it is appropriate that the total area of the arranged double-sided adhesive tape is in the range of 8 to 20%, more preferably 10 to 20% with respect to the area of the ceramic decorative board. If the total area of the placed double-sided adhesive tape is too small with respect to the area of the ceramic decorative panel, the adhesive strength for fixing and supporting the ceramic decorative panel becomes insufficient, and there is a risk of falling off. It is not preferable because the end portion may be peeled off due to warping due to moisture absorption and release of the decorative board. If it is too large, the cost of the double-sided pressure-sensitive adhesive tape is excessively increased and economic efficiency is remarkably reduced, which is not preferable.

次に実施例を挙げて本発明をさらに詳細に説明する。   Next, the present invention will be described in more detail with reference to examples.

実施例1
まず平面引張試験により、両面粘着テープの接着強度を測定した。試験方法の概要を図3に示す。厚さ1mm、幅20mmの弾性ポリマーフォーム基材(ポリエチレン系樹脂フォーム:引張弾性率約12.3MPa)の両面にアクリル系無溶剤粘着剤(主成分:ポリ2−エチルヘキシルアクリレート)を片面あたり約100μmの厚さで塗布して片側の面に紙製の剥離ライナーを付けた両面粘着テープを用意し、厚さ6mm×20mm角の化粧けい酸カルシウム板(ステンド#400:(株)エーアンドエーマテリアル製)の含浸シーラー処理された裏面に圧着し、さらに剥離ライナーを剥がした面を厚さ12.5mm×50mm角のせっこうボード(タイガーボード:吉野石膏(株)製)の表面中央部にあてがい、荷重5kgで10秒間圧着して試験体を作成し、これを室温で7日間養生した。養生後の試験体の化粧けい酸カルシウム板の化粧面をエポキシ接着剤で引張試験用治具に接着し、せっこうボードを固定治具に引っかけた状態で50mm/minの試験速度で引張試験を行って平面引張強度を測定した。その結果、平面引張強度は0.35MPaであった。
Example 1
First, the adhesive strength of the double-sided pressure-sensitive adhesive tape was measured by a plane tensile test. An outline of the test method is shown in FIG. Acrylic solvent-free adhesive (main component: poly 2-ethylhexyl acrylate) on both sides of an elastic polymer foam base material (polyethylene resin foam: tensile modulus of about 12.3 MPa) having a thickness of 1 mm and a width of 20 mm is about 100 μm per side. A double-sided adhesive tape having a thickness of 6 mm and a paper release liner on one side is prepared, and a decorative calcium silicate plate having a thickness of 6 mm × 20 mm square (stained # 400: manufactured by A & A Material Co., Ltd.) Is applied to the center of the surface of a gypsum board (Tiger board: manufactured by Yoshino Gypsum Co., Ltd.) having a thickness of 12.5 mm × 50 mm square. A test specimen was prepared by pressure bonding at 5 kg for 10 seconds, and this was cured at room temperature for 7 days. The decorative surface of the cured calcium silicate plate of the test specimen after curing is bonded to a tensile test jig with an epoxy adhesive, and a tensile test is performed at a test speed of 50 mm / min while the gypsum board is hooked on the fixing jig. Performed to measure the plane tensile strength. As a result, the plane tensile strength was 0.35 MPa.

比較例1
既存の弾性接着剤と両面粘着テープの併用工法で用いる厚さ1mm、20mm幅の仮止め用両面粘着テープ(ボンドTMテープW1−20:コニシ(株)製)を用いた以外は実施例1と同様の方法で平面引張強度を測定した。その結果、平面引張強度は0.10MPaであった。
また、比較例1で用いた仮止め用両面粘着テープの引張弾性率は約3.7MPaであった。
Comparative Example 1
Example 1 was the same as Example 1 except that a 1 mm-thick and 20 mm-wide double-sided adhesive tape for temporary fixing (Bond TM tape W1-20: manufactured by Konishi Co., Ltd.) used in the existing method of using the elastic adhesive and the double-sided adhesive tape together was used. The plane tensile strength was measured in the same manner. As a result, the plane tensile strength was 0.10 MPa.
The tensile modulus of the double-sided pressure-sensitive adhesive tape for temporary fixing used in Comparative Example 1 was about 3.7 MPa.

実施例2
次に、実施例1と同じ材料の組み合わせで、間仕切り壁における動的変形能試験を行った。試験に用いた装置と試験体の概要を図4に示す。試験装置は、油圧シリンダーを接続して上側長辺を平行方向に変形可能となるよう四隅を軸受で接合した矩形フレームで構成されており、当該フレームの内側上下に固定したランナーに455mmピッチでスタッドを立てて下地を組み、この下地組の両面に下貼りとして厚さ12.5mmのせっこうボード(タイガーボード:吉野石膏(株)製)をφ3.5×25mmのタッピンネジで固定して下貼り面を作成した。仕上材の窯業系化粧板としては、厚さ6mmの化粧けい酸カルシウム板(ステンド#400:(株)エーアンドエーマテリアル製)を使用し、裏面に図2と同様の配置で実施例1と同じ両面粘着テープを配置して圧着し、剥離ライナーを剥がして下貼りのせっこうボードの表面に圧着して図4に示した構成の試験体となる間仕切り壁の施工を行った。試験体はそのまま2週間の養生期間を置いたのち、動的変形能試験を実施した。
一般財団法人建材試験センター規格JSTM J 2001:1998「非耐力壁の面内せん断曲げによる動的変形能試験方法」に準拠し、加振枠上部水平材に正弦波による動的水平変形を強制的に加え、試験体の破損程度、脱落の有無を目視観察で評価した。大地震動を想定して振動加速度を400gal(気象庁震度階級6弱)に設定し、振動加速度と層間変形角より振動数を算出し、所定の層間変形角に相当する加振振幅まで約10秒かけて増大させ、その加振振幅を40秒保持したのち、約10秒かけて加振振幅を減少・停止させて目視観察する方法で試験を行った。層間変形角はJSTM規格の1/200、1/150、1/120、1/100とし、この4条件を1セットとして3回繰り返した。その結果、試験終了までに仕上材である化粧けい酸カルシウム板に脱落や亀裂の発生等は認められず、面内変位に対して十分な耐力を持つ施工方法であることが確認された。
Example 2
Next, a dynamic deformability test was performed on the partition wall using the same combination of materials as in Example 1. FIG. 4 shows the outline of the apparatus and the specimen used for the test. The test device is composed of a rectangular frame with four corners joined by bearings so that the upper long side can be deformed in a parallel direction by connecting a hydraulic cylinder, and studs at 455 mm pitch are attached to runners fixed vertically inside the frame. The base is set up, and a gypsum board (Tiger board: manufactured by Yoshino Gypsum Co., Ltd.) with a thickness of 12.5 mm is fixed to both sides of the set with a φ3.5 × 25 mm tapping screw and the base is stuck. Created a surface. As a ceramic decorative panel as a finishing material, a 6 mm thick decorative calcium silicate panel (stained # 400: manufactured by A & A Materials Co., Ltd.) was used, and on the back side, the same arrangement as in Example 1 with the same arrangement as in FIG. A pressure-sensitive adhesive tape was placed and pressure-bonded, the release liner was peeled off, and pressure-bonded to the surface of a gypsum board to be applied underneath, thereby forming a partition wall to be a test body having the configuration shown in FIG. The test specimen was subjected to a dynamic deformability test after a two-week curing period.
In compliance with JSTM J 2001: 1998 "Dynamic Deformability Test Method for In-plane Shear Bending of Non-bearing Walls", dynamic horizontal deformation due to sine wave is forcibly applied to the upper horizontal frame of the excitation frame. In addition to the above, the degree of breakage of the test piece and the presence or absence of dropout were evaluated by visual observation. Assuming a large earthquake motion, the vibration acceleration is set to 400 gal (Meteorological Agency seismic intensity class 6 weak), the vibration frequency is calculated from the vibration acceleration and the story deformation angle, and it takes about 10 seconds to reach the excitation amplitude corresponding to the predetermined story deformation angle. After increasing the vibration amplitude for 40 seconds, the test was conducted by a method of visually observing the vibration amplitude by reducing and stopping it for about 10 seconds. The interlayer deformation angle was set to 1/200, 1/150, 1/120, and 1/100 of the JSTM standard, and these four conditions were set as one set and repeated three times. As a result, by the end of the test, no dropout or cracks were observed in the decorative calcium silicate plate as a finishing material, and it was confirmed that the construction method had sufficient strength against in-plane displacement.

本発明の内装仕上化粧板の施工方法によれば、せっこうボードの下貼り面に対し、両面粘着テープのみを用いて効率よく窯業系化粧板を固定することが可能であり、建設現場の労働力不足に対応しうる簡易かつ品質の安定した内装材の施工方法を提供することができる。   ADVANTAGE OF THE INVENTION According to the construction method of the interior finish decorative board of this invention, it is possible to fix a ceramic decorative board efficiently to only the underside surface of a gypsum board using only a double-sided adhesive tape. It is possible to provide a simple and stable construction method of interior materials capable of coping with insufficient power.

Claims (8)

下貼りであるせっこうボードの表面に窯業系化粧板を両面粘着テープのみで固定する内装仕上化粧板の施工方法であって、
前記両面粘着テープは、厚さ0.5〜2.5mm、幅15〜35mmの弾性ポリマーフォーム基材の両面に、アクリル系粘着剤またはポリエステル系粘着剤を塗布してなるものであり、
少なくとも前記両面粘着テープの片側の面には剥離ライナーを備えており、
前記窯業系化粧板の裏面には含浸シーラーが塗布されていることを特徴とする内装仕上化粧板の施工方法。
It is a construction method of an interior finish veneer that fixes a ceramic decorative veneer to the surface of a gypsum board, which is an underlay, with only double-sided adhesive tape,
The double-sided pressure-sensitive adhesive tape is formed by applying an acrylic pressure-sensitive adhesive or a polyester-based pressure-sensitive adhesive to both sides of an elastic polymer foam substrate having a thickness of 0.5 to 2.5 mm and a width of 15 to 35 mm,
At least one side of the double-sided adhesive tape is provided with a release liner,
A method for constructing an interior finish veneer, wherein an impregnated sealer is applied to a back surface of the ceramic veneer.
前記弾性ポリマーフォーム基材が、独立気泡を多量に含むアクリルフォーム、ポリエステルフォームまたはポリエチレンフォームであり、その引張弾性率が10〜20MPaであることを特徴とする請求項1に記載の内装仕上化粧板の施工方法。   2. The decorative veneer according to claim 1, wherein the elastic polymer foam substrate is an acrylic foam, a polyester foam or a polyethylene foam containing a large amount of closed cells, and has a tensile modulus of 10 to 20 MPa. Construction method. 前記窯業系化粧板が、かさ密度0.6〜1.2g/cmの化粧けい酸カルシウム板であることを特徴とする請求項1または2に記載の内装仕上化粧板の施工方法。 3. The method according to claim 1, wherein the ceramic decorative panel is a decorative calcium silicate panel having a bulk density of 0.6 to 1.2 g / cm 3. 4 . 前記含浸シーラーが、湿気硬化型のポリウレタン樹脂系の無溶剤含浸シーラーであり、塗布量が5〜30g/mであることを特徴とする請求項1〜3のいずれかに記載の内装仕上化粧板の施工方法。 The impregnation sealer, moisture is curable solventless impregnation sealer polyurethane resin system, finishing interior according to claim 1, wherein the amount of coating is 5 to 30 g / m 2 Cosmetic Construction method of the board. 窯業系化粧板裏面とせっこうボードを前記両面粘着テープで接着したときの平面引張強度が0.2MPa以上であり、かつ前記窯業系化粧板1枚あたりに対する前記両面粘着テープによる接着面積の割合が、8〜20%であることを特徴とする請求項1〜4のいずれかに記載の内装仕上化粧板の施工方法。   The planar tensile strength when the ceramic-based decorative board back surface and the gypsum board are bonded with the double-sided adhesive tape is 0.2 MPa or more, and the ratio of the area of the double-sided adhesive tape to the ceramic-based decorative board per sheet is as follows: The method according to any one of claims 1 to 4, wherein the interior finish is 8 to 20%. 前記窯業系化粧板裏面の外周端部から5〜10mmあけた位置に額縁状に前記両面粘着テープを圧着し、該両面粘着テープで額縁状に囲われた内側の部分に長手方向に平行な向きで間隔をあけて少なくとも2本以上のスジ状に長手方向全長にわたって前記両面粘着テープを配置して圧着し、次いで剥離ライナーを剥がしてから該窯業系化粧板を壁面または天井面に下貼りされたせっこうボードの表面に圧着して固定することを特徴とする請求項1〜5のいずれかに記載の内装仕上化粧板の施工方法。   The double-sided pressure-sensitive adhesive tape is pressure-bonded in a picture frame shape at a position 5 to 10 mm apart from the outer peripheral edge of the back of the ceramic decorative panel, and the direction parallel to the longitudinal direction on the inner portion surrounded by the double-sided pressure-sensitive adhesive tape in a picture frame shape The double-sided pressure-sensitive adhesive tape was arranged over at least two or more stripes in the longitudinal direction at an interval in the longitudinal direction and pressure-bonded, and then the peeling liner was peeled off, and then the ceramic decorative panel was attached to a wall surface or a ceiling surface. The method according to any one of claims 1 to 5, wherein the veneer is fixed to the surface of a gypsum board by pressing. 窯業系化粧板の製造工場または加工場において、あらかじめ施工する壁面あるいは天井面の割付けに合わせた寸法および数量の窯業系化粧板の裏面に対し、前記両面粘着テープを配置して圧着したものを作成し、当該両面粘着テープ付窯業系化粧板を施工現場に搬入したのち、剥離ライナーを剥がしてから壁面または天井面に下貼りされたせっこうボードの表面に圧着して固定することを特徴とする請求項6に記載の内装仕上化粧板の施工方法。   In a ceramic decorative panel manufacturing factory or processing plant, create a double-sided pressure-sensitive adhesive tape that is placed and crimped on the back of the ceramic decorative panel with dimensions and quantity according to the layout of the wall or ceiling to be pre-constructed Then, after carrying the ceramic decorative panel with the double-sided adhesive tape to the construction site, peeling off the release liner, and then pressing and fixing to the surface of the gypsum board attached to the wall surface or the ceiling surface. An installation method for the interior finish decorative panel according to claim 6. 壁面または天井面に下貼りされたせっこうボードの表面に、仕上施工する窯業系化粧板の割付け位置および寸法に対し、外周端部から5〜10mmあけた位置に額縁状に前記両面粘着テープを圧着し、該両面粘着テープで額縁状に囲われた内側の部分に長手方向に平行な向きで間隔をあけて少なくとも2本以上のスジ状に長手方向全長にわたって前記両面粘着テープを配置して圧着し、次いで剥離ライナーを剥がしてから当該両面粘着テープに窯業系化粧板の裏面を圧着して固定することを特徴とする請求項1〜5のいずれかに記載の内装仕上化粧板の施工方法。   On the surface of the gypsum board attached to the wall or ceiling surface, for the layout position and dimensions of the ceramic decorative panel to be finished and finished, the double-sided adhesive tape in a frame shape at a position 5 to 10 mm apart from the outer peripheral end. The double-sided pressure-sensitive adhesive tape is placed on the inner part surrounded by the double-sided pressure-sensitive adhesive tape in a frame shape at intervals in a direction parallel to the longitudinal direction, and the double-sided pressure-sensitive adhesive tape is arranged in at least two or more stripes over the entire length in the longitudinal direction. The method according to any one of claims 1 to 5, wherein the peeling liner is peeled off, and the back surface of the ceramic decorative panel is pressed and fixed to the double-sided adhesive tape.
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JP7366828B2 (en) 2020-04-03 2023-10-23 株式会社エーアンドエーマテリアル Supply construction system for decorative board sets for finishing construction
JP7494540B2 (en) 2020-04-08 2024-06-04 Toppanホールディングス株式会社 Construction structure of decorative board, decorative board and its construction method

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JP7366828B2 (en) 2020-04-03 2023-10-23 株式会社エーアンドエーマテリアル Supply construction system for decorative board sets for finishing construction
JP7494540B2 (en) 2020-04-08 2024-06-04 Toppanホールディングス株式会社 Construction structure of decorative board, decorative board and its construction method

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