SIST EN 1925:2000
(Main)Natural stone test methods - Determination of water absorption coefficient by capillarity
Natural stone test methods - Determination of water absorption coefficient by capillarity
This European standard specifies a method for determining the water absorption coefficient of natural stone by capillarily. Note: This method is not suitable for stones with an open porosity less than 1% when determined in accordance with prEN 1936.
Prüfverfahren für Naturstein - Bestimmung des Wasseraufnahmekoeffizienten infolge Kapillarwirkung
Diese Europäische Norm legt ein Verfahren zur Bestimmung des Wasseraufnahmekoeffizienten von Naturstein infolge Kapillarwirkung fest. Anmerkung: Dieses Verfahren ist nicht für Naturstein mit einer offenen Porosität < 1 % nach prEN 1936 geeignet.
Méthodes d'essai pour pierres naturelles - Détermination du coefficient d'absorption d'eau par capillarité
La présente norme européenne spécifie une méthode de détermination du coefficient d'absorption d'eau par capillarité de la pierre naturelle. Note: Cette méthode ne convient pas pour les pierres dont la porosité ouverte déterminée conformément au prEN 1936, est inférieure à 1 %.
Preskušanje naravnega kamna - Ugotavljanje vpijanja vode zaradi kapilarnega dviga
General Information
Overview
EN 1925:1999 is a European Standard (CEN) titled Natural stone test methods - Determination of water absorption coefficient by capillarity. The standard defines a laboratory method to assess how quickly and how much water a natural stone absorbs through capillary action. It is intended for use in evaluating stone behaviour in building and conservation contexts. Note: the method is not suitable for stones with an open porosity less than 1% when determined in accordance with prEN 1936.
Key topics and requirements
EN 1925 focuses on reproducible determination of the water absorption coefficient by capillarity for natural stone. Key technical topics typically addressed in the standard include:
- Scope and applicability - defining which stone types and porosity ranges are appropriate (exclusion for open porosity < 1%).
- Definitions and principles - describing the physical concept of capillary water uptake and the meaning of the absorption coefficient.
- Test specimens and conditioning - requirements for sampling, preparation and pre-conditioning of specimens to standard states.
- Apparatus and measurement - general requirements for equipment used to expose a specimen to water and to record mass or moisture uptake over time.
- Test procedure and data acquisition - a controlled procedure to measure capillary rise and to determine the absorption coefficient from observed water uptake.
- Expression of results and reporting - how to present results, test conditions and any deviations to ensure comparability. Because the standard is a formal CEN document, it emphasizes repeatability, traceability and clear reporting to support quality control and specification compliance.
Applications and users
EN 1925 is useful wherever the capillary moisture behaviour of natural stone matters:
- Testing laboratories performing material characterization and compliance testing.
- Stone producers and suppliers conducting quality control on blocks, slabs and finished products.
- Architects, engineers and specifiers assessing suitability of stone for façades, floors, paving, cladding and wet environments.
- Conservators and heritage professionals evaluating moisture risks to historic masonry and monuments.
- Building owners and contractors selecting materials and specifying durability/performance criteria.
Related standards
- prEN 1936 - referenced for open porosity determination (stones with open porosity < 1% are excluded from EN 1925).
- Other CEN natural stone test methods covering mechanical, frost and freeze–thaw, and durability tests.
Keywords: EN 1925, water absorption coefficient, capillarity, natural stone, test method, porosity, CEN.
Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Preskušanje naravnega kamna - Ugotavljanje vpijanja vode zaradi kapilarnega dvigaPrüfverfahren für Naturstein - Bestimmung des Wasseraufnahmekoeffizienten infolge KapillarwirkungMéthodes d'essai pour pierres naturelles - Détermination du coefficient d'absorption d'eau par capillaritéNatural stone test methods - Determination of water absorption coefficient by capillarity
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Frequently Asked Questions
SIST EN 1925:2000 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "Natural stone test methods - Determination of water absorption coefficient by capillarity". This standard covers: This European standard specifies a method for determining the water absorption coefficient of natural stone by capillarily. Note: This method is not suitable for stones with an open porosity less than 1% when determined in accordance with prEN 1936.
This European standard specifies a method for determining the water absorption coefficient of natural stone by capillarily. Note: This method is not suitable for stones with an open porosity less than 1% when determined in accordance with prEN 1936.
SIST EN 1925:2000 is classified under the following ICS (International Classification for Standards) categories: 73.020 - Mining and quarrying; 91.100.15 - Mineral materials and products. The ICS classification helps identify the subject area and facilitates finding related standards.
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