EN 1849-1:1999
(Main)Flexible sheets for waterproofing - Determination of thickness and mass per unit area - Part 1: Bitumen sheets for roof waterproofing
Flexible sheets for waterproofing - Determination of thickness and mass per unit area - Part 1: Bitumen sheets for roof waterproofing
This European Standard specifies a methods for the determination of "overall thickness" (method A) and "overall or component thickness" (method B) and "mass per unit area" of bitumen sheets for roofing. The determination of overall thickness by method A is only applicable to unembossed sheets. The determination of overall thickness by method B is applicable to embossed and unembossed sheets and can also be used for composite thickness measurements.
Abdichtungsbahnen - Bestimmung der Dicke und der flächenbezogenen Masse - Teil 1: Bitumenbahnen für Dachabdichtungen
Diese Europäische Norm legt ein Verfahren zur Bestimmung der Dicke und der flächenbezogenen Masse von Bitumenbahnen zur Abdichtung von Dächern fest. Die Messung der Dicke gilt für die meisten Bitumenbahnen, einschließlich solcher mit werkmäßig aufgebrachter Bestreuung. Die Dickbestimmung gilt nicht für Bahnen mit ausgeprägter Texturierung der Oberfläche oder für Bahnen mit starker Fasserkaschierung. Wo erforderlich, ist statt dessen zur Charakterisierung die flächenbezogene Masse heranzuziehen.
Feuilles souples d'étanchéité - Détermination de l'épaisseur et de la masse surfacique - Partie 1: Feuilles d'étanchéité de toiture bitumineuses
Cette norme européenne décrit une méthode de détermination de l'épaisseur et de la masse surfacique des feuilles d'étanchéité de toiture bitumineuses. La détermination de l'épaisseur est applicable à la plupart des feuilles bitumineuses y compris celles qui comportent une protection de surface en granulats minéraux appliqués en usine. La détermination de l'épaisseur n'est pas applicable aux feuilles comportant une texture de surface prononcée ni aux feuilles avec une sous-face fibreuse épaisse. Lorsqu'il est nécessaire de caractériser ces produits, on peut utiliser la masse surfacique.
Hidroizolacijski trakovi - Določevanje debeline in mase na enoto površine - 1. del: Bitumenski trakovi za tesnjenje streh
General Information
Overview
EN 1849-1:1999 (CEN) is a European standard for flexible sheets for waterproofing, specifically defining test methods for determining thickness and mass per unit area of bitumen sheets for roof waterproofing. The standard sets out measurement procedures for overall thickness and for component or composite thicknesses, and specifies how to determine mass per unit area - essential properties for quality control, product labelling and compliance with roofing specifications.
Key Topics and Requirements
- Scope: Measurement methods for bitumen-based roofing sheets (roof waterproofing materials).
- Thickness determination:
- Method A - determination of overall thickness, applicable only to unembossed sheets.
- Method B - determination of overall or component thickness, applicable to both embossed and unembossed sheets and suitable for composite thickness measurements.
- Mass per unit area: Standardized procedure to measure the weight per unit area of bitumen roofing sheets.
- Material focus: Bitumen sheets used in roofing and related waterproofing applications.
- Classification and codes: Relevant ICS classifications include 91.100.50 (Binders, sealing materials) and 91.060.20 (Roofs).
Practical Applications
EN 1849-1:1999 is used wherever consistent measurement of bitumen roofing sheets is required:
- Manufacturers: for product development, production control, and to certify that roll goods meet declared thickness and mass per unit area.
- Laboratories and testing houses: to perform repeatable, standardized tests for clients and certification bodies.
- Architects and specifiers: to write clear performance and dimensional requirements into project specifications.
- Contractors and roofers: to verify supplied materials match specified thickness and mass, ensuring correct installation and expected durability.
- Procurement and quality assurance teams: for acceptance testing and to reduce disputes over material conformity.
Practical benefits include improved quality control, consistent product labelling, easier compliance with contractual requirements, and supported interoperability across European markets.
Related Standards
- EN 1849-1 is part of the broader series of standards covering flexible sheets for waterproofing. Other parts in the EN 1849 family address different materials, tests or performance characteristics (consult CEN or national standards bodies for the complete series and any updates).
- National adoptions (e.g., SIST EN 1849-1) reflect the European text implemented by member bodies.
Keywords: EN 1849-1:1999, bitumen sheets, roof waterproofing, thickness determination, mass per unit area, flexible sheets for waterproofing, waterproofing standards.
Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Abdichtungsbahnen - Bestimmung der Dicke und der flächenbezogenen Masse - Teil 1: Bitumenbahnen für DachabdichtungenFeuilles souples d'étanchéité - Détermination de l'épaisseur et de la masse surfacique - Partie 1: Feuilles d'étanchéité de toiture bitumineusesFlexible sheets for waterproofing - Determination of thickness and
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Frequently Asked Questions
EN 1849-1:1999 is a standard published by the European Committee for Standardization (CEN). Its full title is "Flexible sheets for waterproofing - Determination of thickness and mass per unit area - Part 1: Bitumen sheets for roof waterproofing". This standard covers: This European Standard specifies a methods for the determination of "overall thickness" (method A) and "overall or component thickness" (method B) and "mass per unit area" of bitumen sheets for roofing. The determination of overall thickness by method A is only applicable to unembossed sheets. The determination of overall thickness by method B is applicable to embossed and unembossed sheets and can also be used for composite thickness measurements.
This European Standard specifies a methods for the determination of "overall thickness" (method A) and "overall or component thickness" (method B) and "mass per unit area" of bitumen sheets for roofing. The determination of overall thickness by method A is only applicable to unembossed sheets. The determination of overall thickness by method B is applicable to embossed and unembossed sheets and can also be used for composite thickness measurements.
EN 1849-1:1999 is classified under the following ICS (International Classification for Standards) categories: 91.100.50 - Binders. Sealing materials. The ICS classification helps identify the subject area and facilitates finding related standards.
EN 1849-1:1999 is associated with the following European legislation: EU Directives/Regulations: 305/2011, 89/106/EEC. 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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