1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN 13956:2012Flexible sheets forwaterproofing Plasticand rubber sheets for roofwaterproofing Definitionsand characteristicsBS EN 13956:2012 BRITISH STANDARDNational forewordTh
2、is British Standard is the UK implementation of EN 13956:2012. It supersedes BS EN 13956:2005 which is withdrawn.The UK participation in its preparation was entrusted to Technical Committee B/546, Flexible sheets for waterproofing and water vapour control.A list of organizations represented on this
3、committee can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2013. Published by BSI Standards Limited 2013ISBN 978 0 580 78073 8 ICS
4、01.040.91; 91.100.50 Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 January 2013.Amendments issued since publicationDate T e x t a f f e c t e dBS EN 13956:2
5、012EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 13956 December 2012 ICS 01.040.91; 91.100.50 Supersedes EN 13956:2005English Version Flexible sheets for waterproofing - Plastic and rubber sheets for roof waterproofing - Definitions and characteristics Feuilles souples dtanchit - Feuilles dta
6、nchit de toiture plastiques et lastomres - Dfinitions et caractristiques Abdichtungsbahnen - Kunststoff- und Elastomerbahnen fr Dachabdichtungen - Definitionen und Eigenschaften This European Standard was approved by CEN on 27 October 2012. CEN members are bound to comply with the CEN/CENELEC Intern
7、al 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 CEN-CENELEC Management Centre or to any C
8、EN 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 CEN-CENELEC Management Centre has the same status as the official vers
9、ions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
10、Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2012 CEN All rights of exploitation in any f
11、orm and by any means reserved worldwide for CEN national Members. Ref. No. EN 13956:2012: EBS EN 13956:2012EN 13956:2012 (E) 2 Contents Page Foreword 31 Scope 42 Normative references 43 Terms and definitions .54 Roofing system related characteristics 75 Product characteristics .75.1 General 75.2 Gen
12、eral characteristics .75.2.1 Visible defects 75.2.2 Dimensions, tolerances and mass per unit area 75.2.3 Watertightness .85.2.4 Effects of liquid chemicals including water 85.2.5 Fire performance85.2.6 Hail resistance 95.2.7 Joint strength .95.2.8 Water vapour properties .95.2.9 Tensile properties (
13、strength and elongation) .95.2.10 Resistance to impact .95.2.11 Resistance to static loading .95.2.12 Tear resistance 105.2.13 Resistance to root penetration 105.2.14 Dimensional stability 105.2.15 Foldability at low temperature . 105.2.16 Behaviour following exposure to UV radiation, elevated tempe
14、rature and water . 105.2.17 Resistance to ozone . 105.2.18 Exposure to contact with bitumen 105.3 Dangerous substances 116 Evaluation of conformity 116.1 General . 116.2 Type testing . 116.3 Factory production control (FPC) . 116.3.1 General . 116.3.2 Frequency of testing 127 Product data sheet 128
15、Marking, labelling and packaging . 12Annex A (normative) Applicability of characteristics 14Annex B (normative) Initial type test and frequencies of testing for factory production control. 16Annex C (informative) Information about chemical resistance . 17Annex D (informative) Example of a product da
16、ta sheet. 19Annex E (informative) Typical materials, structure of sheets and roofing systems 21Annex ZA (informative) Clauses of this European Standard addressing the provisions of the EU Construction Products Directive . 25Bibliography . 38BS EN 13956:2012EN 13956:2012 (E) 3 Foreword This document
17、(EN 13956:2012) has been prepared by Technical Committee CEN/TC 254 “Flexible sheets for waterproofing”, the secretariat of which is held by NEN. 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 Ju
18、ne 2012, and conflicting national standards shall be withdrawn at the latest by June 2012. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rig
19、hts. This document supersedes EN 13956:2005. This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association, and supports essential requirements of EU Directive(s). For relationship with EU Directive(s), see informative Annex ZA, which
20、 is an integral part of this document. The main technical changes are: limitation of external fire performance to Class F; new extended mounting and fixing rules; introduction of indirect testing for factory production control. According to the CEN/CENELEC Internal Regulations, the national standard
21、s organisations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxem
22、bourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 13956:2012EN 13956:2012 (E) 4 1 Scope This European Standard specifies the definitions and characteristics of plastic and rubber sheets including sheets
23、made out of their blends and alloys (thermoplastic rubber) for which the intended use is roof waterproofing. It specifies the requirements and test methods and provides for the evaluation of conformity of the products with the requirements of this European Standard. NOTE For typical materials and ap
24、plications, see Annex E. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced docu
25、ment (including any amendments) applies. EN 495-5, Flexible sheets for waterproofing Determination of foldability at low temperature Part 5: Plastic and rubber sheets for roof waterproofing EN 1107-2, Flexible sheets for waterproofing Determination of dimensional stability Part 2: Plastic and rubber
26、 sheets for roof waterproofing CEN/TS 1187, Test methods for external fire exposure to roofs EN 1297:2004, Flexible sheets for waterproofing Bitumen, plastic and rubber sheets for roof waterproofing Method of artificial ageing by long term exposure to the combination of UV radiation, elevated temper
27、ature and water EN 1548, Flexible sheets for waterproofing Plastic and rubber sheets for roof waterproofing Method for exposure to bitumen EN 1844, Flexible sheets for waterproofing Determination of resistance to ozone Plastic and rubber sheets for roof waterproofing EN 1847, Flexible sheets for wat
28、erproofing Plastic and rubber sheets for roof waterproofing Methods for exposure to liquid chemicals, including water EN 1848-2, Flexible sheets for waterproofing Determination of length, width, straightness and flatness Part 2: Plastic and rubber sheets for roof waterproofing EN 1849-2, Flexible sh
29、eets for waterproofing Determination of thickness and mass per unit area Part 2: Plastic and rubber sheets EN 1850-2, Flexible sheets for waterproofing Determination of visible defects Part 2: Plastic and rubber sheets for roof waterproofing EN 1928, Flexible sheets for waterproofing Bitumen, plasti
30、c and rubber sheets for roof waterproofing Determination of watertightness EN 1931, Flexible sheets for waterproofing Bitumen, plastic and rubber sheets for roof waterproofing Determination of water vapour transmission properties EN 12310-2, Flexible sheets for waterproofing Determination of resista
31、nce to tearing 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 BS EN 13956:2012EN 13956:2012 (E) 5 EN 12316-2, Flexible sheets for waterproofing Determi
32、nation of peel resistance of joints Part 2: Plastic and rubber sheets for roof waterproofing EN 12317-2, Flexible sheets for waterproofing Determination of the shear resistance of joints Part 2: Plastic and rubber sheets for roof waterproofing EN 12691 Flexible sheets for waterproofing Bitumen, plas
33、tic and rubber sheets for roof waterproofing Determination of resistance to impact EN 12730, Flexible sheets for waterproofing Bitumen, plastic and rubber sheets for roof waterproofing Determination of resistance to static loading EN 13416, Flexible sheets for waterproofing Bitumen, plastic and rubb
34、er sheets for roof waterproofing Rules for sampling EN 13501-1, Fire classification of construction products and building elements Part 1: Classification using data from reaction to fire tests EN 13501-5, Fire classification of construction products and building elements Part 5: Classification using
35、 data from external fire exposure to roof tests EN 13583, Flexible sheets for waterproofing Bitumen, plastic and rubber sheets for roof waterproofing Determination of hail resistance EN 13948, Flexible sheets for waterproofing Bitumen, plastic and rubber sheets for roof waterproofing Determination o
36、f resistance to root penetration EN ISO 11925-2, Reaction to fire tests Ignitability of products subjected to direct impingement of flame Part 2: Single-flame source test (ISO 11925-2) 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 waterproo
37、fing action to prevent the passage of water from one plane to another 3.2 roof waterproofing system assembly of roof waterproofing components in its applied and jointed form, which has certain performance characteristics, to be assessed as a whole 3.3 roofing waterproofing used in the roof of a buil
38、ding including roofs used for parking of vehicles and for roof gardens 3.4 flexible sheet for roof waterproofing factory made waterproofing sheet, which can be rolled up or folded for easy transport to the site 3.5 sampling procedure used to select or constitute a sample BS EN 13956:2012EN 13956:201
39、2 (E) 6 3.6 sample sheet from which a test piece is taken 3.7 test piece part of the sample from which test specimens are taken 3.8 test specimen piece of precise dimensions taken from the test piece 3.9 surface texture textured pattern on one or both surfaces of the sheet creating a difference betw
40、een the effective and overall thickness not exceeding 0,1 mm 3.10 surface profile (surface structure) raised area on the surface of the sheet creating a difference between the effective and overall thickness exceeding 0,1 mm or a backing exceeding 80 g/m23.11 internal fabric layer of woven or non-wo
41、ven fabric of synthetic or mineral fibres incorporated in the sheet Note 1 to entry: This layer may or may not constitute reinforcement. 3.12 backing layer of woven or non-woven fabric of synthetic or mineral fibres or other material fixed to the bottom of the sheet Note 1 to entry: This layer may o
42、r may not constitute reinforcement. 3.13 overall thickness d thickness of the sheet excluding any surface profile 3.14 effective thickness deffthickness of the sheet providing the waterproofing function including any surface texture or backing equal to or less than 80 g/m2but excluding any surface p
43、rofile and backing greater than 80g/m23.15 welding process of jointing by softening the surfaces to be united, either by heat or with the aid of a solvent (solvent welding, solvent bonding), and then pressing the softened surfaces together 3.16 adhesive bonding process of jointing by applying adhesi
44、ves to the surfaces to be united or by applying an adhesive tape, and then applying pressure BS EN 13956:2012EN 13956:2012 (E) 7 3.17 hot bonding process of bonding by vulcanising a non vulcanised rubber tape between the two sheets to be jointed by means of heat and pressure 3.18 manufacturers limit
45、ing value MLV value stated by the manufacturer to be met during testing Note 1 to entry: The MLV can be a minimum or a maximum value according to statements made under product characteristics of this European Standard. 3.19 manufacturers declared value MDV value declared by the manufacturer accompan
46、ied by a declared tolerance 3.20 batch amount of product continuously manufactured to the same specification 4 Roofing system related characteristics Testing shall be carried out according to Table A.1. 5 Product characteristics 5.1 General 5.1.1 Where a tolerance is limited by this European Standar
47、d it does not have to be declared by the manufacturer. 5.1.2 When tested for purposes other than initial type testing or factory production control, the tests to determine product characteristics indicated in this European Standard shall be started within 1 month of delivery from the manufacturer. 5
48、.2 General characteristics 5.2.1 Visible defects The product shall be free of visible defects in accordance with EN 1850-2. 5.2.2 Dimensions, tolerances and mass per unit area The length, width, straightness and flatness shall be determined in accordance with EN 1848-2 and shall meet the requirement
49、s given in Table 1. The values for straightness and flatness only apply to sheets supplied in the form of rolls. The values for straightness and flatness do not apply to folded sheets. BS EN 13956:2012EN 13956:2012 (E) 8 Table 1 Length, width, straightness and flatness requirements Length: The measured length shall
