SIST EN 1548:2008
Flexible sheets for waterproofing - Plastic and rubber sheets for roof waterproofing - Method for exposure to bitumen
Flexible sheets for waterproofing - Plastic and rubber sheets for roof waterproofing - Method for exposure to bitumen
This European Standard specifies a method of exposing test specimens of plastic and rubber sheets for roofing free from all external restraint, to contact with bitumen at an elevated temperature and methods for determining the changes in properties resulting from such exposure.
The methods for determination of changes in properties are specified as follows:
a) changes in mass directly after contact with bitumen;
b) changes in physical properties after contact with bitumen.
Abdichtungsbahnen - Kunststoff- und Elastomerbahnen für Dachabdichtungen - Verhalten nach Lagerung auf Bitumen
Feuilles souples d'étanchéité - Feuilles d'étanchéité de toiture plastiques et élastomeres - Méthode d'exposition au bitume
La présente Norme européenne spécifie une méthode d’exposition d’éprouvettes de feuilles d'étanchéité de toiture plastiques et élastomères en contact avec du bitume à une température élevée, libres de toute contrainte extérieure, et des méthodes pour déterminer les changements de propriétés résultant de cette exposition.
Les méthodes de détermination des changements de propriétés spécifiées portent sur les aspects suivants :
a) les changements de masse directement après contact avec le bitume ;
b) les changements de propriétés physiques après contact avec le bitume.
Hidroizolacijski trakovi - Polimerni in elastomerni trakovi za tesnjenje streh - Metoda izpostave bitumnu
General Information
Overview
EN 1548:2007 - Flexible sheets for waterproofing - Plastic and rubber sheets for roof waterproofing - Method for exposure to bitumen - specifies a laboratory method to assess the behaviour of plastic and rubber roofing sheets when in contact with bitumen. The standard defines a controlled exposure of test specimens to bitumen at elevated temperature and prescribes measurements to determine resulting changes in mass and changes in physical properties (notably Young’s Modulus). It is intended for characterization of sheets as manufactured or supplied (not for installed membrane systems).
Key Topics and Requirements
- Scope and purpose: Determines bitumen compatibility of roofing sheets (underside in installed orientation) by standardised exposure and post‑exposure testing.
- Test principle: One‑face contact with bitumen at (50 ± 2) °C for a minimum of 28 days; properties measured before and after exposure.
- Specimen preparation: Six specimens (210 × 90 mm) - three exposed to bitumen and three reference specimens aged under the same heat without bitumen contact.
- Measured parameters:
- Change in mass: Used for sheets with inner layers and EPDM-type products; mass measured to high precision (balance to 0.001 g).
- Change in Young’s Modulus: Used for homogeneous sheets without inner reinforcement; tensile testing performed per EN 12311-2.
- Apparatus and materials: Metal plate and mask, glass plate, separation means (e.g. silicon paper), ventilated oven (maintain ≥50 °C), standard bitumen (commonly 85/25 grade recommended), calibrated thermometers and micrometers.
- Procedure notes: Bitumen casting temperature guidance, cooling/delamination methods to remove bitumen, reconditioning in standard atmosphere before final measurements.
- Reporting: Record exposure temperature, duration, masses (Mx, Mr), Young’s Modulus (Ex, Er), and percentage/area changes.
Applications and Who Uses It
EN 1548:2007 is used for:
- Manufacturers - product development, quality control, and declarations of bitumen compatibility.
- Testing laboratories - standardized bitumen‑compatibility testing and certification.
- Specifiers, architects and consultants - verifying material suitability for roof assemblies that contact bitumen.
- Contractors and purchasers - comparing products and ensuring compliance with project requirements. Practical decisions supported include selection of membranes for hot bitumen roofs, compatibility statements on datasheets, and design choices where bitumen contact may occur.
Related Standards
- EN 1849‑2 - determination of mass and thickness
- EN 12311‑2 - tensile properties and Young’s Modulus (Method A)
- EN 13416 - sampling rules for bitumen/plastic/rubber sheets
- EN 13956 - definitions and characteristics of plastic and rubber roofing sheets
Keywords: EN 1548:2007, flexible sheets for waterproofing, roof waterproofing, exposure to bitumen, bitumen compatibility, changes in mass, Young’s Modulus, roofing membrane testing.
Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Hidroizolacijski trakovi - Polimerni in elastomerni trakovi za tesnjenje streh - Metoda izpostave bitumnuAbdichtungsbahnen - Kunststoff- und Elastomerbahnen für Dachabdichtungen - Verhalten nach Lagerung auf BitumenFeuilles souples d'étanchéité - Feuilles d'étanchéité de toiture plastiques et élastomeres - Méthode d'exposition au bitumeFlexible sheets for waterproofing - Plastic and rubber sheets for roof waterproofing - Method for exposure to bitumen91.100.50Veziva. Tesnilni materialiBinders. Sealing materials91.060.20StreheRoofsICS:Ta slovenski standard je istoveten z:EN 1548:2007SIST EN 1548:2008en,fr,de01-februar-2008SIST EN 1548:2008SLOVENSKI
STANDARD
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 1548September 2007ICS 91.100.50 English VersionFlexible sheets for waterproofing - Plastic and rubber sheets forroof waterproofing - Method for exposure to bitumenFeuilles souples d'étanchéité - Feuilles d'étanchéité detoiture plastiques et élastomères - Méthode d'exposition aubitumeAbdichtungsbahnen - Kunststoff- und Elastomerbahnen fürDachabdichtungen - Verhalten nach Lagerung auf BitumenThis European Standard was approved by CEN on 27 July 2007.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the CEN Management Centre or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as theofficial versions.CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland,France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2007 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 1548:2007: ESIST EN 1548:2008
Additional information.12 Annex B (informative)
Calibration of apparatus.13 SIST EN 1548:2008
1 Scope This European Standard specifies a method of exposing test specimens of plastic and rubber sheets for roofing free from all external restraint, to contact with bitumen at an elevated temperature and methods for determining the changes in properties resulting from such exposure. The methods for determination of changes in properties are specified as follows: a) changes in mass directly after contact with bitumen; b) changes in physical properties after contact with bitumen. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 1849-2, Flexible sheets for waterproofing – Determination of thickness and mass per unit area – Part 2: Plastic and rubber sheets for roof waterproofing EN 12311-2, Flexible sheets for waterproofing – Determination of tensile properties – Part 2: Plastic and rubber sheets for roof waterproofing EN 13416, Flexible sheets for waterproofing – Bitumen, plastic and rubber sheets for roof waterproofing – Rules
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Frequently Asked Questions
SIST EN 1548:2008 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "Flexible sheets for waterproofing - Plastic and rubber sheets for roof waterproofing - Method for exposure to bitumen". This standard covers: This European Standard specifies a method of exposing test specimens of plastic and rubber sheets for roofing free from all external restraint, to contact with bitumen at an elevated temperature and methods for determining the changes in properties resulting from such exposure. The methods for determination of changes in properties are specified as follows: a) changes in mass directly after contact with bitumen; b) changes in physical properties after contact with bitumen.
This European Standard specifies a method of exposing test specimens of plastic and rubber sheets for roofing free from all external restraint, to contact with bitumen at an elevated temperature and methods for determining the changes in properties resulting from such exposure. The methods for determination of changes in properties are specified as follows: a) changes in mass directly after contact with bitumen; b) changes in physical properties after contact with bitumen.
SIST EN 1548:2008 is classified under the following ICS (International Classification for Standards) categories: 91.060.20 - Roofs; 91.100.50 - Binders. Sealing materials. The ICS classification helps identify the subject area and facilitates finding related standards.
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