EN 12664:2001
(Main)Thermal performance of building materials and products - Determination of thermal resistance by means of guarded hot plate and heat flow meter methods - Dry and moist products of medium and low thermal resistance
Thermal performance of building materials and products - Determination of thermal resistance by means of guarded hot plate and heat flow meter methods - Dry and moist products of medium and low thermal resistance
This standard specifies principles and testing procedures for determining, by means of the guarded hot plate or heat flow meter methods, the thermal resistance of test specimens either in the dry state or conditioned to equilibrium with moist air, having a thermal resistance of not less than 0,1 m2.K/W and a (hygro)thermal transmissivity or thermal conductivity up to 2,0 W/(m.K). (It is expected that the thermal resistance of most masonry specimen will be less than 0,5 m2.K/W).
Wärmetechnisches Verhalten von Baustoffen und Bauprodukten - Bestimmung des Wärmedurchlasswiderstandes nach dem Verfahren mit dem Plattengerät und dem Wärmestrommessplatten-Gerät - Trockene und feuchte Produkte mit mittlerem und niedrigem Wärmedurchlasswiderstand
Diese Norm spezifiziert die Grundlagen und Prüfverfahren zur Bestimmung des Wärmedurchlaßwiderstandes von Probekörpern, die entweder in trockenem Zustand sind oder auf einen Gleichgewichtßustand zu feuchter Luft eingestellt wurden und einen Wärmedurchlaßwiderstand von mindestens 0,02 m2.K/W und eine (feuchtebezogene) spezifische Wärmedurchlässigkeit oder eine Wärmeleitfähigkeit bis zu 2,0 W/(m.K) besitzen. Der Wärmedurchlaßwiderstand der meisten Probekörper aus Mauerwerk wird voraussichtlich weniger als 0,5 m2.K/W betragen.
Performance thermique des matériaux et produits pour le bâtiment - Détermination de la résistance thermique par la méthode de la plaque chaude gardée et la méthode fluxmétrique - Produits secs et humides de moyenne et basse résistance thermique
La présente norme spécifie les principes et les modes opératoires d'essai relatifs à la détermination, par les méthodes de la plaque chaude gardée ou fluxmétrique, de la résistance thermique des éprouvettes d'essai à l'état sec ou conditionnées à l'équilibre en atmosphère humide, et ayant une résistance thermique d'au moins 0,1 m2.K/W ainsi qu'une transmissivité (hygro)thermique ou une conductivité thermique ne dépassant pas 2,0 W/(m.K). (On peut considérer que la résistance thermique de la plupart des éprouvettes de maçonnerie est inférieure à 0,5 m2.K/W).
Toplotne karakteristike gradbenih materialov in proizvodov - Ugotavljanje toplotne upornosti z zaščiteno vročo ploščo in/ali merilniki toplotnih tokov – Suhi ali vlažni proizvodi s srednjo ali nizko toplotno upornostjo
General Information
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EN 12664:2001 - Overview
EN 12664:2001 (CEN) defines principles and testing procedures to determine the thermal resistance of building materials and products using the guarded hot plate and heat flow meter methods. The standard covers test specimens in the dry state or conditioned to equilibrium with moist air, targeting materials of medium and low thermal resistance. It applies to specimens with a thermal resistance of ≥ 0.1 m²·K/W and a (hygro)thermal transmissivity or thermal conductivity up to 2.0 W/(m·K). The document notes that many masonry specimens will usually have thermal resistance < 0.5 m²·K/W.
Key Topics and Requirements
- Measurement methods: Use of guarded hot plate and heat flow meter techniques to obtain reliable thermal resistance (R-value) data.
- Specimen conditions: Tests may be performed on dry specimens or those conditioned to moist-air equilibrium to reflect realistic hygrothermal behavior.
- Scope limits: Applies to products with R ≥ 0.1 m²·K/W and thermal conductivity ≤ 2.0 W/(m·K).
- Principles and procedures: Standard specifies fundamental measurement principles, required test arrangements, specimen handling and preparation, and how to determine thermal resistance from measured data.
- Reporting: Test results and conditions must be clearly documented to support product characterization and comparison.
Applications and Who Uses EN 12664
- Testing laboratories - perform standardized thermal resistance measurements for product certification and R-value verification.
- Material and insulation manufacturers - validate thermal performance of boards, mortars, plasters, masonry units and other building products in both dry and moisture-conditioned states.
- Product certification bodies and regulators - assess compliance with thermal performance requirements for building codes and labels.
- Building designers and energy modelers - use measured thermal resistance values to improve energy simulations and specify materials with reliable hygrothermal data.
- Research institutions - study material behavior under varying moisture conditions and compare measurement techniques (guarded hot plate vs. heat flow meter).
Related Standards and Notes
- EN 12664 is part of the family of CEN standards addressing thermal performance of building materials and complements other test methods for thermal conductivity and hygrothermal properties.
- When specifying tests or interpreting results, ensure the chosen method (guarded hot plate or heat flow meter) and specimen conditioning match the intended application (dry vs. moisture-equilibrated performance).
Keywords: EN 12664, thermal resistance, guarded hot plate, heat flow meter, thermal conductivity, building materials, thermal performance, dry and moist products, CEN, masonry, R-value.
Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Wärmetechnisches Verhalten von Baustoffen und Bauprodukten - Bestimmung des Wärmedurchlasswiderstandes nach dem Verfahren mit dem Plattengerät und dem Wärmestrommessplatten-Gerät - Trockene und feuchte Produkte mit mittlerem und niedrigem WärmedurchlasswiderstandPerformance thermique des matériaux et produits pour le bâtiment - Détermination de la résistance thermique par la méthode de la plaque chaude gardée et la méthode fluxmétrique - Produits secs et humides de moyenne et basse résistance thermiqueThermal performance of building materials and products - Determination of thermal resistance by means of guarded hot plate and heat flow meter methods - Dry and moist products of medium and low thermal resistance91.120.10Toplotna izolacija stavbThermal insulation91.100.60Thermal and sound insulating materialsICS:Ta slovenski standard je istoveten z:EN 12664:2001SIST EN 12664:2002en01-marec-2002SIST EN 12664:2002SLOVENSKI
STANDARD
SIST EN 126
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Frequently Asked Questions
EN 12664:2001 is a standard published by the European Committee for Standardization (CEN). Its full title is "Thermal performance of building materials and products - Determination of thermal resistance by means of guarded hot plate and heat flow meter methods - Dry and moist products of medium and low thermal resistance". This standard covers: This standard specifies principles and testing procedures for determining, by means of the guarded hot plate or heat flow meter methods, the thermal resistance of test specimens either in the dry state or conditioned to equilibrium with moist air, having a thermal resistance of not less than 0,1 m2.K/W and a (hygro)thermal transmissivity or thermal conductivity up to 2,0 W/(m.K). (It is expected that the thermal resistance of most masonry specimen will be less than 0,5 m2.K/W).
This standard specifies principles and testing procedures for determining, by means of the guarded hot plate or heat flow meter methods, the thermal resistance of test specimens either in the dry state or conditioned to equilibrium with moist air, having a thermal resistance of not less than 0,1 m2.K/W and a (hygro)thermal transmissivity or thermal conductivity up to 2,0 W/(m.K). (It is expected that the thermal resistance of most masonry specimen will be less than 0,5 m2.K/W).
EN 12664:2001 is classified under the following ICS (International Classification for Standards) categories: 91.100.01 - Construction materials in general; 91.120.10 - Thermal insulation of buildings. The ICS classification helps identify the subject area and facilitates finding related standards.
EN 12664:2001 has the following relationships with other standards: It is inter standard links to prEN 12664. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
EN 12664:2001 is associated with the following European legislation: EU Directives/Regulations: 305/2011, 89/106/EEC; Standardization Mandates: M/106, M/116. 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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