EN 14891:2017
(Main)Liquid applied water impermeable products for use beneath ceramic tiling bonded with adhesives - Requirements, test methods, assessment and verification of constancy of performance, classification and marking
Liquid applied water impermeable products for use beneath ceramic tiling bonded with adhesives - Requirements, test methods, assessment and verification of constancy of performance, classification and marking
This European Standard applies to all liquid-applied water impermeable products, based on polymer modified cementitious mortars, dispersions and reaction resin coatings, used beneath ceramic tiling, for external tile installations on walls and floors and in swimming pools.
This European Standard gives the terminology concerning the products and specifies the test methods and the values of performance requirements for liquid-applied water impermeable products associated with tile adhesives.
This European Standard specifies the evaluation of conformity and the classification and designation of liquid-applied water impermeable products beneath ceramic tiling.
This European Standard does not contain recommendations for the design and installation of ceramic tiles and grouts in combination with water impermeable products.
NOTE 1 Liquid-applied water impermeable products may also be used beneath other types of tiles (natural and agglomerated stones, etc.), where they do not adversely affect these materials.
NOTE 2 The user of this European Standard should be familiar with normal laboratory practice. This European Standard does not purport to address all the safety problems associated with its use. It is the responsibility of the user to establish appropriate health and safety practices and to ensure compliance with any European and national regulatory conditions.
Flüssig zu verarbeitende wasserundurchlässige Produkte im Verbund mit keramischen Fliesen und Plattenbelägen - Anforderungen, Prüfverfahren, Bewertung und Überprüfung der Leistungsbeständigkeit, Klassifizierung und Bezeichnung
Produits d'imperméabilisation appliqués en phase liquide utilisés sous carrelage collé - Spécifications, méthodes d'essai, évaluation et vérification de la constance de performance, classification et marquage
La présente Norme européenne s’applique à tous les produits d’imperméabilisation à base de mortiers de ciment modifiés par des polymères, de résine réactive et de résine en dispersion appliqués en phase liquide et utilisés sous carrelage collé, pour la pose, en extérieur, des carreaux céramiques au sol et mur, et dans les piscines.
La présente Norme européenne donne la terminologie concernant les produits et prescrit les méthodes d’essai ainsi que les exigences de performance des produits d’imperméabilisation appliqués en phase liquide en association avec des colles à carrelage.
La présente Norme européenne spécifie l’évaluation et la vérification de la constance de performance, la classification le marquage des produits d’imperméabilisation appliqués en phase liquide destinés à être utilisés sous du carrelage céramique.
La présente Norme européenne ne contient pas de recommandations relatives à la conception et à la pose de carreaux céramiques ni à la réalisation de joints, en association avec les produits d’imperméabilisation.
NOTE Les produits d’imperméabilisation appliqués en phase liquide peuvent également être utilisés pour la pose d’autres types de carreaux (pierres naturelles ou agglomérées, etc.), s’ils sont compatibles avec ces matériaux.
Tekoče vgrajevani za vodo neprepustni izdelki za uporabo pod keramičnimi ploščicami, lepljenimi z lepili - Zahteve, preskusne metode, ocenjevanje in preverjanje nespremenljivosti lastnosti, razvrščanje in označevanje
Ta evropski standard se uporablja za vse tekoče vgrajevane za vodo neprepustne izdelke na osnovi polimer-cementnih malt, disperzij in malt na osnovi smol, ki se uporabljajo pod keramičnimi ploščicami za namestitev zunanjih ploščic na zidove in tla ter v bazene. Ta evropski standard podaja terminologijo na področju izdelkov in določa preskusne metode in vrednosti zahtev glede zmogljivosti tekoče vgrajevanih za vodo neprepustnih izdelkov, povezanih z lepili za ploščice. Ta evropski standard določa vrednotenje skladnosti ter klasifikacijo in označevanje tekoče vgrajevanih za vodo neprepustnih izdelkov pod keramičnimi ploščicami. Ta evropski standard ne vključuje priporočil za načrtovanje in vgradnjo keramičnih ploščic in lepil v kombinaciji z za vodo neprepustnimi izdelki. OPOMBA 1: Tekoče vgrajevani za vodo neprepustni izdelki se lahko uporabljajo tudi pod ploščicami drugih vrst (iz naravnega in aglomeriranega kamna itd.), če ne vplivajo škodljivo na te materiale. OPOMBA 2: Uporabniki tega evropskega standarda morajo biti seznanjeni z običajno laboratorijsko prakso. Ta evropski standard ne obravnava vseh varnostnih težav, ki se nanašajo na njegovo uporabo. Za vzpostavitev ustreznih varnostnih in zdravstvenih praks ter za zagotovitev skladnosti s katerimi koli evropskimi in nacionalnimi regulativnimi pogoji je odgovoren uporabnik.
General Information
Relations
Overview
EN 14891:2017 is the CEN (European) standard specifying requirements, test methods, assessment and verification of constancy of performance (AVCP), classification and marking for liquid-applied water impermeable products used beneath ceramic tiling. It applies to products based on polymer-modified cementitious mortars, dispersions and reaction resin coatings for external walls, floors and swimming pools. The standard defines terminology, required performance characteristics and how manufacturers and testing bodies demonstrate conformity. It does not provide design or installation instructions for tiles and grouts.
Key topics and technical requirements
EN 14891:2017 covers the following technical areas and requirements:
- Product scope and terminology - definitions for CM (polymer-modified cementitious), DM (dispersions) and RM (reaction resins) and related terms (primer, crack bridging, etc.).
- Performance characteristics - water impermeability, tensile adhesion (initial and after conditioning), crack-bridging ability, durability after heat ageing, freeze–thaw, contact with chlorinated water and lime water, and release of dangerous substances.
- Test methods and sampling - standardized procedures for preparing test specimens, conditioning and reporting results (see Annex A for detailed test method descriptions).
- Assessment & verification of constancy of performance (AVCP) - type testing, Factory Production Control (FPC) requirements and rules for shared results and product modifications.
- Classification, designation, marking and labelling - how waterproofing products must be classified and what information must appear on labels to demonstrate conformity with EN 14891.
- Relationship to the Construction Products Regulation (CPR) - informative Annex ZA connects EN 14891 to Regulation (EU) No. 305/2011.
Practical applications and who uses it
EN 14891:2017 is intended for stakeholders involved with tile installations and waterproofing who require clear, harmonized performance requirements and conformity assessment:
- Manufacturers of liquid-applied waterproofing systems (polymer-modified mortars, dispersions, reaction resin coatings) for certification and CE marking.
- Testing laboratories performing type testing and issuing test reports in line with the standard.
- Specifiers, architects and engineers who need to reference harmonized performance classes when selecting waterproofing beneath ceramic tiles, especially in external applications and swimming pools.
- Contractors and pool builders who require products with demonstrated durability and adhesion properties compatible with tile adhesives.
- Certification bodies and authorities performing AVCP, FPC audits and compliance checks.
Note: EN 14891 may also be used beneath other tile types (natural stone, agglomerates) provided no adverse interactions occur.
Related standards
Relevant referenced documents include (examples): EN 12004-1 / EN 12004-2 (tile adhesives), EN 14411 (ceramic tiles), EN 196-1 / EN 197-1 (cement testing/specifications), and EN ISO 15605 (adhesive sampling). These help ensure coordinated testing and conformity across tile and adhesive systems.
Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.PLþQLPLMHFlüssig zu verarbeitende wasserundurchlässige Produkte im Verbund mit keramischen Fliesen und Plattenbelägen - Anforderungen, Prüfverfahren, Bewertung und Überprüfung der Leistungsbeständigkeit, Klassifizierung und BezeichnungProduits d'imperméabilisation appliqués en phase liquide utilisés sous carrelage collé - Spécifications, méthodes d'essai, évaluation et vérification de la constance de performance, classification et marquageLiquid applied water impermeable products for use beneath ceramic tiling bonded with adhesives - Requirements, test methods, assessment and verification of constancy of performance, classification and marking91.100.50Veziva. Tesnilni materialiBinders. Sealing materials91.100.23Ceramic tilesICS:Ta slovenski standard je istoveten z:EN 14891:2017SIST EN 14891:2017en,fr,de01-maj-2017SIST EN 14891:2017SLOVENSKI
STANDARDSIST EN 14891:2012/AC:2013SIST EN 14891:20121DGRPHãþD
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 14891
February
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s v z { sã t r s tEnglish Version
Liquid applied water impermeable products for use beneath ceramic tiling bonded with adhesives æ Requirementsá test methodsá assessment and verification of constancy of performanceá classification and marking Produits d 5imperméabilisation appliqués en phase liquide utilisés sous carrelage collé æ Spécificationsá méthodes d 5essaiá évaluation et vérification de la constance de performanceá classification et marquage Flüssig zu verarbeitende wasserundurchlässige Produkte im Verbund mit keramischen Fliesen und Plattenbelägen æ Anforderungená Prüfverfahrená Bewertung und Überprüfung der Leistungsbeständigkeitá Klassifizierung und Bezeichnung This European Standard was approved by CEN on
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egulations which stipulate the conditions for giving this European Standard the status of a national standard without any alterationä Upætoædate lists and bibliographical references concerning such national standards may be obtained on application to the CENæCENELEC Management Centre or to any CEN memberä
translation under the responsibility of a CEN member into its own language and notified to the CENæCENELEC Management Centre has the same status as the official versionsä
CEN members are the national standards bodies of Austriaá Belgiumá Bulgariaá Croatiaá Cyprusá Czech Republicá Denmarká Estoniaá Finlandá Former Yugoslav Republic of Macedoniaá Franceá Germanyá Greeceá Hungaryá Icelandá Irelandá Italyá Latviaá Lithuaniaá Luxembourgá Maltaá Netherlandsá Norwayá Polandá Portugalá Romaniaá Serbiaá Slovakiaá Sloveniaá Spainá Swedená Switzerlandá Turkey and United Kingdomä
EUROPEAN COMMITTEE FOR STANDARDIZATION COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre:
Avenue Marnix 17,
B-1000 Brussels
t r s y CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Membersä Refä Noä EN
s v z { sã t r s y ESIST EN 14891:2017
Testing, assessment and sampling methods. 18 A.1 Sampling . 18 A.2 Test conditions . 18 A.3 Test materials . 18 A.3.1 General . 18 A.3.2 Ceramic tiles . 18 A.3.3 Test substrate . 18 A.3.3.1 Concrete slab . 18 A.3.3.2 Other substrates (optional) . 18 A.3.4 Ceramic tile adhesive . 19 A.3.5 Sodium hypochlorite . 19 A.4 Apparatus . 19 A.4.1 Weight (Mass) . 19 SIST EN 14891:2017
Relationship of this European Standard with Regulation (EU) No.305/2011 . 32 ZA.1 Scope and relevant characteristics . 32 ZA.2 System of Assessment and Verification of Constancy of Performance (AVCP) . 33 ZA.3 Assignment of AVCP tasks . 33 Bibliography . 35
· 0,5 N/mm2 A.6.2 Tensile adhesion strength after water contact
· 0,5 N/mm2 A.6.3 or A.6.4 Tensile adhesion strength after heat ageing
· 0,5 N/mm2 A.6.5 Tensile adhesion strength after freeze–thaw cycles
· 0,5 N/mm2 A.6.6 Tensile adhesion strength after contact with lime water
· 0,5 N/mm2 A.6.9 Waterproofing No penetration and
¶ 20 g weight gain A.7 Crack bridging ability under standard conditions
· 0,75 mm A.8.2 1 b OPTIONAL CHARACTERISTICS Characteristic Requirement Test method Tensile adhesion strength after contact with chlorinated water (P)
· 0,5 N/mm2 A.6.7 or A.6.8 Crack bridging ability at low temperature (- 5°C) (O1)
· 0,75 mm A.8.3 Crack bridging ability at very low temperature (- 20°C) (O2)
· 0,75 mm A.8.3 4.2 Release of dangerous substances Materials used in products shall not release any dangerous substances in excess of the maximum permitted levels specified in a relevant European Standard for the material or permitted in the national regulations of the member state of destination. National regulations on dangerous substances may require verification and declaration on release, and sometimes content, when construction products covered by this standard are placed on those markets. In the absence of European harmonized test methods, verification and declaration on release/content should be done taking into account national provisions in the place of use. NOTE An informative database covering European and national provisions on dangerous substances is available at the Construction website on EUROPA accessed through: http://ec.europa.eu/growth/tools-databases/cp-ds/
cementitious liquid-applied water impermeable products; — DM
dispersion liquid-applied water impermeable products; — RM
reaction resin liquid-applied water impermeable products. For each type it is possible to have different classes, related to the different optional characteristics given in Table 1, section 1b. These classes are designated by the following abbreviations: — O1
— O2
with improved crack bridging ability at very
— P
resistant to contact with chlorinated water (i.e. for use in swimming pools). The product is designated by the symbol for the type (CM, DM or RM), followed by the abbreviation of the class or classes it belongs to. Table 4 describes the designation of the products types and classes which shall be used. Table 4 — Classification and designation of liquid-applied water impermeable products SYMBOL DESCRIPTION TYPE CLASS CM
Normal cementitious liquid-applied water impermeable product DM
Normal dispersion liquid-applied water impermeable product RM
Normal reaction resin liquid-applied water impermeable product CM O1 Cementitious liquid-applied water impermeable product with improved crack bridging ability at
CM O2 Cementitious liquid-applied water impermeable product with improved crack bridging ability at very
DM O1 Dispersion liquid-applied water impermeable product with improved crack bridging ability at low
DM O2 Dispersion liquid-applied water impermeable product with improved crack
RM O1 Reaction resin liquid-applied water impermeable product with improved crack bridging ability at low
RM O2 Reaction resin liquid-applied water impermeable product with improved crack bridging ability at very
CM P Cementitious liquid-applied water impermeable product resistant to contact with chlorinated water DM P Dispersion liquid-applied water impermeable product resistant to contact with chlorinated water RM P Reaction resin liquid-applied water impermeable product resistant to contact with chlorinated water SIST EN 14891:2017
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Frequently Asked Questions
EN 14891:2017 is a standard published by the European Committee for Standardization (CEN). Its full title is "Liquid applied water impermeable products for use beneath ceramic tiling bonded with adhesives - Requirements, test methods, assessment and verification of constancy of performance, classification and marking". This standard covers: This European Standard applies to all liquid-applied water impermeable products, based on polymer modified cementitious mortars, dispersions and reaction resin coatings, used beneath ceramic tiling, for external tile installations on walls and floors and in swimming pools. This European Standard gives the terminology concerning the products and specifies the test methods and the values of performance requirements for liquid-applied water impermeable products associated with tile adhesives. This European Standard specifies the evaluation of conformity and the classification and designation of liquid-applied water impermeable products beneath ceramic tiling. This European Standard does not contain recommendations for the design and installation of ceramic tiles and grouts in combination with water impermeable products. NOTE 1 Liquid-applied water impermeable products may also be used beneath other types of tiles (natural and agglomerated stones, etc.), where they do not adversely affect these materials. NOTE 2 The user of this European Standard should be familiar with normal laboratory practice. This European Standard does not purport to address all the safety problems associated with its use. It is the responsibility of the user to establish appropriate health and safety practices and to ensure compliance with any European and national regulatory conditions.
This European Standard applies to all liquid-applied water impermeable products, based on polymer modified cementitious mortars, dispersions and reaction resin coatings, used beneath ceramic tiling, for external tile installations on walls and floors and in swimming pools. This European Standard gives the terminology concerning the products and specifies the test methods and the values of performance requirements for liquid-applied water impermeable products associated with tile adhesives. This European Standard specifies the evaluation of conformity and the classification and designation of liquid-applied water impermeable products beneath ceramic tiling. This European Standard does not contain recommendations for the design and installation of ceramic tiles and grouts in combination with water impermeable products. NOTE 1 Liquid-applied water impermeable products may also be used beneath other types of tiles (natural and agglomerated stones, etc.), where they do not adversely affect these materials. NOTE 2 The user of this European Standard should be familiar with normal laboratory practice. This European Standard does not purport to address all the safety problems associated with its use. It is the responsibility of the user to establish appropriate health and safety practices and to ensure compliance with any European and national regulatory conditions.
EN 14891:2017 is classified under the following ICS (International Classification for Standards) categories: 91.100.23 - Ceramic tiles; 91.100.25 - Terracotta building products; 91.100.50 - Binders. Sealing materials. The ICS classification helps identify the subject area and facilitates finding related standards.
EN 14891:2017 has the following relationships with other standards: It is inter standard links to EN 14891:2012/AC:2012, EN 14891:2012, prEN 14891-2, FprEN 14891-1. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
EN 14891:2017 is associated with the following European legislation: EU Directives/Regulations: 305/2011; Standardization Mandates: M/102. When a standard is cited in the Official Journal of the European Union, products manufactured in conformity with it benefit from a presumption of conformity with the essential requirements of the corresponding EU directive or regulation.
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La norme EN 14891:2017 se distingue par sa portée précise et ses exigences claires concernant les produits imperméables liquides appliqués sous les carreaux céramiques, collés avec des adhésifs. Elle s'applique spécifiquement aux produits basés sur des mortiers à base de ciment modifiés par des polymères, des dispersions et des revêtements à résine réactive, utilisés tant pour les installations en extérieur sur murs et sols que dans les piscines. L'un des points forts de la norme est sa terminologie bien établie. Elle fournit des définitions claires et un cadre commun qui facilitent la compréhension et l'application de la norme à divers produits. En outre, elle spécifie des méthodes d'essai robustes et des valeurs de performance qui garantissent la qualité et l'efficacité des produits imperméables liquides appliqués, ce qui est crucial pour les applications dans des environnements potentiellement humides ou soumis à l'eau. La norme EN 14891:2017 se révèle particulièrement pertinente dans le contexte de l'industrie des bâtiments, car elle assure une évaluation cohérente de la conformité et une classification précise des produits. Cela permet aux consommateurs et aux professionnels de l'industrie de faire des choix éclairés et de sélectionner des solutions qui répondent aux exigences de performance en matière d'imperméabilité. Bien qu'elle ne traite pas directement de la conception et de l'installation des carreaux céramiques, elle reste essentielle pour garantir la durabilité et la fiabilité des systèmes carrelés en fournissant des critères clairs pour les produits imperméables. En outre, il est important de noter que les produits imperméables liquides appliqués peuvent également être utilisés avec d'autres types de carrelage, tels que les pierres naturelles et agglomérées, sans compromettre leur intégrité. La norme souligne aussi la responsabilité des utilisateurs de s'impliquer activement dans la mise en place de pratiques de santé et de sécurité adaptées lors de son application, ce qui témoigne d'un engagement envers une utilisation responsable et sécurisée des produits couverts par la norme. Ainsi, la norme EN 14891:2017 se positionne comme un document fondamental pour tous les acteurs impliqués dans l'application de produits imperméables sous carrelage, favorisant des installations de haute qualité et la satisfaction des normes de performance requises.
Die Norm EN 14891:2017 befasst sich mit flüssig aufgetragenen wasserundurchlässigen Produkten, die unter keramischen Fliesen verwendet werden, die mit Klebstoffen verbunden sind. Diese Norm ist besonders relevant für Anwendungen im Außenbereich von Wänden und Böden sowie in Schwimmbädern. Sie legt die Terminologie der Produkte fest und definiert testmethodische Verfahren sowie Leistungsanforderungen für diese wasserundurchlässigen Produkte. Ein wesentliches Merkmal dieser Norm ist die umfassende Festlegung der Prüfmethoden und der Leistungswerte, die es ermöglichen, die Qualität und Zuverlässigkeit von flüssig aufgetragenen wasserundurchlässigen Produkten zu garantieren. Die Standardisierung sorgt dafür, dass Hersteller, Anwender und Verbraucher über die spezifischen Anforderungen informiert sind, die diese Produkte erfüllen müssen, was die Markttransparenz erheblich erhöht. Ein weiterer starker Punkt der Norm ist die klare Darstellung der Konformitätsbewertung, Klassifizierung und Kennzeichnung dieser Produkte. Diese Aspekte sind entscheidend für die Sicherstellung des Leistungsniveaus und unterstützen die Benutzer dabei, die geeigneten Materialien für ihre spezifischen Anwendungen auszuwählen. Wichtig zu beachten ist, dass die Norm nicht die Empfehlungen für das Design und die Installation von keramischen Fliesen und Mörtel in Kombination mit wasserundurchlässigen Produkten enthält. Dies bedeutet, dass Fachleute, die mit der Installation von Fliesen befasst sind, zusätzliches Wissen über die Anwendung in Verbindung mit diesen Produkten benötigen. Zusammenfassend lässt sich sagen, dass die EN 14891:2017 eine essentielle Grundlage für die Verwendung von flüssig aufgetragenen wasserundurchlässigen Produkten bietet. Ihre umfassenden Anforderungen und Prüfmethoden stellen sicher, dass diese Produkte zuverlässig und effektiv in verschiedenen Anwendungen, einschließlich Außeninstallationen und Schwimmbädern, eingesetzt werden können.
SIST EN 14891:2017 표준 문서는 세라믹 타일 아래에 적용되는 액체 방식의 방수 제품에 대한 요구사항, 시험 방법, 성능 일관성 평가 및 확인, 분류 및 마킹을 다루고 있습니다. 이 표준의 주된 범위는 외부 타일 설치에 필요한 모든 액체 적용 방수 제품에 적용되며, 이는 폴리머로 수정된 시멘트 모르타르, 분산체 및 반응 수지 코팅에 기반합니다. 이 표준의 강점 중 하나는 액체 적용 방수 제품의 용어와 성능 요구 사항에 대한 시험 방법을 명확하게 규정하고 있다는 점입니다. 이를 통해 타일 접착제와 관련된 방수 제품의 성능을 객관적으로 평가할 수 있으며, 이는 건축 및 인테리어 공사에서 매우 중요한 요소입니다. 또한, 표준은 제품의 일관성 평가와 분류 및 지정 방법을 명시하고 있어, 사용자들이 제품의 신뢰성을 쉽게 파악하고 선택할 수 있도록 돕습니다. SIST EN 14891:2017 표준은 세라믹 타일과의 조합에서 방수 제품의 사용에 대한 구체적인 지침을 제공하지 않지만, 이 액체 방식의 방수 제품은 자연석 및 아글로메레이트 스톤과 같은 다른 종류의 타일 아래에서도 사용될 수 있으며, 이는 다양한 활용 가능성을 의미합니다. 사용자는 또한 표준을 적용하기 위해 일반적인 실험실 관행에 익숙해야 하며, 모든 안전 문제를 포괄하지 않기 때문에 적절한 건강 및 안전 관행을 수립할 책임이 있습니다. 결론적으로, SIST EN 14891:2017 표준은 방수 제품의 성능과 신뢰성을 보장하기 위한 효과적인 기준을 제공하며, 외부 타일 설치 및 수영장과 같은 다양한 분야에서 방수 제품의 사용의 중요성을 강조합니다. 이 표준은 업계 종사자들에게 필수적이며, 현대 건축에서 요구되는 안전성과 품질을 충분히 만족시키고 있습니다.
The EN 14891:2017 standard outlines vital specifications and requirements for liquid-applied water impermeable products designed for use beneath ceramic tiling. Its scope is comprehensive, encompassing a wide variety of applications, including external tile installations on walls and floors, as well as usage in swimming pools. This makes the standard highly relevant for manufacturers, contractors, and architects involved in tiling projects where water impermeability is critical. One of the strengths of the standard lies in its clear definition of terminology related to liquid-applied water impermeable products, which enhances communication and understanding among stakeholders. This clarity is crucial, as it ensures that all parties involved can engage effectively in discussions surrounding product selection and usage. The standard employs rigorous test methods to evaluate the performance requirements for these products, providing a framework that manufacturers can utilize to demonstrate compliance with the established criteria. This strengthens market confidence, as products that meet the EN 14891:2017 requirements are validated for their intended applications. Furthermore, the standard addresses the evaluation of conformity, ensuring that liquid-applied water impermeable products are classified and designated appropriately. This classification empowers consumers and professionals to make informed choices based on consistent benchmarks and standards. While it is important to note that the EN 14891:2017 does not encompass the design and installation recommendations for ceramic tiles and grouts in conjunction with these water impermeable products, it effectively delineates the boundaries of its applicability. This focus allows for a more specialized approach, enabling professionals to seek additional guidelines as necessary without confusion. Overall, the EN 14891:2017 standard stands out due to its comprehensive scope, detailed requirements, and emphasis on construction safety and quality assurance, making it a crucial resource for ensuring the durability and effectiveness of liquid-applied water impermeable products beneath ceramic tiling.
SIST EN 14891:2017は、「接着剤で結合されたセラミックタイルの下に使用される液体適用型防水製品」に関する重要な欧州標準です。この標準は、ポリマー修正セメントモルタルや分散系、反応樹脂コーティングに基づく液体適用型防水製品を対象としており、外部の壁や床、さらにはプールのタイル設置において広く利用されます。 このスタンダードの大きな強みは、液体適用型防水製品に関する明確な用語集を提供し、試験方法と性能要件の詳細な値を規定している点です。具体的には、タイル接着剤に関連した液体適用型防水製品の評価に焦点を当てており、利用者が求める耐水性の性能を確認できる良好な基準を確立しています。このような仕様により、製品の適合性評価や分類が一貫して行えるため、製造業者にとっても大きな利点があります。 さらに、この標準は、セラミックタイルと防水製品の組み合わせ設計や施工に関する具体的な推奨は含まれていませんが、他のタイプのタイル（天然石や集合石など）の下でも使用できる柔軟性を持っています。このことは、様々な建築・施工現場における広範な適用を可能にし、多様なニーズに応じた製品使用の幅を広げることに寄与しています。 また、SIST EN 14891:2017は、通常の実験室の実践に慣れた利用者向けに設計されており、ユーザーが適切な健康と安全の実践を確立する責任を持つことを強調しています。このことにより、業界標準としての信頼性がさらに高まります。 総じて、SIST EN 14891:2017は、セラミックタイル下における液体適用型防水製品の評価と性能確認において、極めて重要で関連性の高い標準です。これにより、施工業界における製品の性能の信頼性を確保し、安全で長期的な使用を実現するための基盤を提供します。
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