SIST EN 1848-2:2001

Flexible sheets for waterproofing - Determination of length, width, straightness and flatness - Part 2: Plastic and rubber sheets for roof waterproofing

This European Standard specifies methods for the determination of length, width, straightness and flatness of thermoplastic and elastomeric sheets for roof waterproofing.

Abdichtungsbahnen - Bestimmung der Länge, Breite, Geradheit und Planlage - Teil 2: Kunststoff- und Elastomerbahnen für Dachabdichtungen

Diese Europäische Norm legt Verfahren zur Bestimmung von Länge, Breite, Geradheit und Planlage von Kunststoff- und Kautschukbahnen für Dachabdichtungen fest, die in Rollen geliefert werden.

Feuilles souples d'étanchéité - Détermination de la longueur, de la largeur, de la rectitude et de la planéité - Partie 2: Feuilles d'étanchéité de toiture plastiques et élastomeres

La présente Norme européenne spécifie des méthodes permettant de déterminer la longueur, la largeur, la rectitude et la planéité de feuilles plastiques ou élastomères pour étanchéité de toiture, fournies sous forme de rouleaux.

Hidroizolacijski trakovi - Določevanje dolžine, širine in ravnosti - 2. del: Polimerni in elastomerni trakovi za tesnjenje streh

General Information

• Status: Published
• Publication Date: 30-Nov-2001
• ICS: 91.060.20 - Roofs
• ICS: 91.100.50 - Binders. Sealing materials
• Technical Committee: VLA - Water proofing
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 01-Dec-2001
• Due Date: 01-Dec-2001
• Completion Date: 01-Dec-2001
• Directive: Harmonized Standard305/2011 - Regulation (eu) No 305/2011 of the European Parliament and of the Council of 9 march 2011 laying down harmonised conditions for the marketing of construction products and repealing council directive 89/106/eec
• Directive:

  ---

  Not Harmonized89/106/EEC - Construction products
• Ref Project: EN 1848-2:2001 - Flexible sheets for waterproofing - Determination of length, width, straightness and flatness - Part 2: Plastic and rubber sheets for roof waterproofing

Relations

• Refers: SIST EN 13416:2024 - Flexible sheets for waterproofing - Bitumen, plastic and rubber sheets for roof waterproofing - Rules for sampling
• Effective Date: 28-Jan-2026
• Referred By: SIST EN 13984:2013 - Flexible sheets for waterproofing - Plastic and rubber vapour control layers - Definitions and characteristics
• Effective Date: 28-Jan-2026
• Referred By: SIST EN ISO 81714-1:2010 - Design of graphical symbols for use in the technical documentation of products - Part 1: Basic rules (ISO 81714- 1:2010)
• Effective Date: 28-Jan-2026
• Referred By: SIST-TS CEN/TS 17048:2024 - Flexible sheets for waterproofing - Plastic and rubber sheets for waterproofing of concrete bridge decks and other trafficked areas of concrete - Definitions and characteristics
• Effective Date: 28-Jan-2026
• Referred By: SIST EN 13859-1:2014 - Flexible sheets for waterproofing - Definitions and characteristics of underlays - Part 1: Underlays for discontinuous roofing
• Effective Date: 28-Jan-2026
• Referred By: SIST EN 13967:2012+A1:2017 - Flexible sheets for waterproofing - Plastic and rubber damp proof sheets including plastic and rubber basement tanking sheet - Definitions and characteristics
• Effective Date: 28-Jan-2026
• Referred By: SIST EN 14909:2012 - Flexible sheets for waterproofing - Plastic and rubber damp proof courses - Definitions and characteristics
• Effective Date: 28-Jan-2026
• Referred By: SIST EN 13967:2012 - Flexible sheets for waterproofing - Plastic and rubber damp proof sheets including plastic and rubber basement tanking sheet - Definitions and characteristics
• Effective Date: 28-Jan-2026
• Referred By: SIST EN 13859-2:2014 - Flexible sheets for waterproofing - Definitions and characteristics of underlays - Part 2: Underlays for walls
• Effective Date: 28-Jan-2026
• Referred By: SIST EN ISO 128-2:2020 - Technical product documentation - General principles of representation - Part 2: Basic conventions for lines (ISO 128-2:2020)
• Effective Date: 28-Jan-2026
• Referred By: SIST EN ISO 128-3:2020 - Technical product documentation - General principles of representation - Part 3: Views, sections and cuts (ISO 128-3:2020)
• Effective Date: 28-Jan-2026
• Referred By: SIST EN ISO 128-3:2022 - Technical product documentation (TPD) - General principles of representation - Part 3: Views, sections and cuts (ISO 128-3:2022)
• Effective Date: 28-Jan-2026
• Referred By: SIST EN ISO 6412-1:2018 - Technical product documentation - Simplified representation of pipelines - Part 1: General rules and orthogonal representation (ISO 6412-1:2017)
• Effective Date: 28-Jan-2026
• Referred By: SIST EN 15836-2:2010 - Plastics - Plasticized poly(vinyl chloride) (PVC-P) membranes for inground swimming pools - Part 2: Reinforced membranes of nominal thickness equal to or greater than 1,5 mm
• Effective Date: 28-Jan-2026
• Referred By: SIST EN 13984:2005 - Flexible sheets for waterproofing - Plastic and rubber vapour control layers - Definitions and characteristics
• Effective Date: 28-Jan-2026

Overview

SIST EN 1848-2:2001 is a European Standard developed by CEN that outlines standardized test methods for determining key physical dimensions of flexible sheets used for roof waterproofing. Focusing specifically on plastic and rubber (thermoplastic and elastomeric) sheets supplied in rolls, this standard addresses the accurate measurement of length, width, straightness, and flatness. SIST EN 1848-2:2001 ensures consistency in product properties, which is critical for quality assurance, specification compliance, and reliable waterproofing performance in roofing applications.

Key Topics

• Length Measurement: Procedures for measuring the roll’s length along the manufacturing direction, ensuring products meet manufacturer specifications.
• Width Measurement: Methods for determining the width at intervals along the roll, recording both average and minimum widths.
• Straightness: Assessment of deviations of the sheet’s longitudinal edge from a perfect straight line, which is crucial for correct installation and structural fit.
• Flatness: Evaluation of undulations or waviness by measuring deviation from a flat surface when the sheet is unrolled-important for ensuring proper adhesion and performance.
• Sampling Procedures: Requirements for test sample collection according to EN 13416, ensuring representative and reliable measurements.
• Reporting Standards: Specifications for documenting test conditions, results, and product identification, supporting traceability and quality control.

Applications

The standard is widely applicable in industries involved with roof waterproofing systems, particularly:

• Manufacturers of roofing membranes: Ensures production output adheres to dimensional requirements for plastic and rubber waterproofing sheets.
• Quality control laboratories: Provides unified procedures for testing supplied rolls, verifying they match product standards before installation or distribution.
• Construction and roofing contractors: Allows for pre-installation verification, ensuring sheets will fit as designed and perform reliably over the lifespan of the roof.
• Regulatory and specification bodies: Used in the setting of technical specifications, procurement requirements, and compliance checks for building and construction projects.

By adhering to SIST EN 1848-2:2001, organizations contribute to the durability, integrity, and performance of waterproof roofing solutions, minimizing risks of water ingress due to material defects or dimensional inconsistencies.

Related Standards

• EN 13416: Flexible sheets for waterproofing – Bitumen, plastic, and rubber sheets for roof waterproofing – Rules for sampling. Provides guidelines for proper test sample selection referenced in EN 1848-2.
• EN 1848-1: Flexible sheets for waterproofing – Determination of length, width, straightness, and flatness – Part 1: Bitumen sheets for roof waterproofing. Focuses on bitumen-based materials with similar measurement principles.
• Roofing Application Standards (ICS 91.060.20): Broader category including standards for roofing systems, materials, and performance requirements.
• Sealing Materials and Adhesives Standards (ICS 91.100.50): Covers related materials important for waterproofing applications.

Practical Value

The implementation of SIST EN 1848-2:2001 supports the consistency and reliability of flexible roof waterproofing membranes, reducing project delays related to material non-conformance. Its standardized methods serve as a common language for manufacturers, distributors, and contractors, driving improved material quality, regulatory compliance, and end-user satisfaction in both residential and commercial roofing projects.

By standardizing essential dimensional checks, SIST EN 1848-2:2001 helps ensure that flexible plastic and rubber sheets for roof waterproofing consistently meet rigorous industry benchmarks, bolstering overall waterproofing system performance and building protection.

Standards Content (Sample)

SLOVENSKI STANDARD
01-december-2001
+LGURL]RODFLMVNLWUDNRYL'RORþHYDQMHGROåLQHãLULQHLQUDYQRVWLGHO3ROLPHUQL
LQHODVWRPHUQLWUDNRYL]DWHVQMHQMHVWUHK
Flexible sheets for waterproofing - Determination of length, width, straightness and
flatness - Part 2: Plastic and rubber sheets for roof waterproofing
Abdichtungsbahnen - Bestimmung der Länge, Breite, Geradheit und Planlage - Teil 2:
Kunststoff- und Elastomerbahnen für Dachabdichtungen
Feuilles souples d'étanchéité - Détermination de la longueur, de la largeur, de la
rectitude et de la planéité - Partie 2: Feuilles d'étanchéité de toiture plastiques et
élastomeres
Ta slovenski standard je istoveten z: EN 1848-2:2001
ICS:
91.060.20 Strehe Roofs
91.100.50 Veziva. Tesnilni materiali Binders. Sealing materials
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD
EN 1848-2
NORME EUROPÉENNE
EUROPÄISCHE NORM
May 2001
ICS 91.100.50
English version
Flexible sheets for waterproofing - Determination of length,
width, straightness and flatness - Part 2: Plastic and rubber
sheets for roof waterproofing
Feuilles souples d'étanchéité - Détermination de la Abdichtungsbahnen - Bestimmung der Länge, Breite,
longueur, de la largeur, de la rectitude et de la planéité - Geradheit und Planlage - Teil 2: Kunststoff- und
Partie 2: Feuilles d'étanchéité de toiture plastiques et Elastomerbahnen für Dachabdichtungen
élastomères
This European Standard was approved by CEN on 2 June 2000.
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European
Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national
standards may be obtained on application to the 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 translation
under the responsibility of a CEN member into its own language and notified to the Management Centre has the same status as the official
versions.
CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece,
Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre: rue de Stassart, 36  B-1050 Brussels
© 2001 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 1848-2:2001 E
worldwide for CEN national Members.

Page 2
Contents
Page
Foreword. 3
Introduction . 3
1 Scope . 3
2 Normative references. 3
3 Definitions . 3
4 Sampling . 4
5 Determination of length. 4
6 Determination of width . 4
7 Determination of straightness and flatness.5
8 Precision of the test methods. 5
9 Test report. 6

Page 3
Foreword
This European Standard has been prepared by Technical Committee CEN/TC 254 " Flexible sheets for
waterproofing", the secretariat of which is held by BSI.
This European Standard shall be given the status of a national standard, either by publication of an identical text
or by endorsement, at the latest by November 2001, and conflicting national standards shall be withdrawn at the
latest by July 2002.
According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following
countries are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland,
France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden,
Switzerland and the United Kingdom.
Introduction
This European Standard is intended for characterisation of plastic and rubber sheets as manufactured or
supplied before use. This test method relates exclusively to products or to their components where
appropriate, and not to waterproofing membrane systems composed of such products and installed in the
works.
This test is intended to be used in conjunction with European Standard "Definition and Characteristics" for
plastic and rubber sheets for roof waterproofing.
1 Scope
This Euro
...