1、BSI Standards PublicationBS EN 13859-2:2014Flexible sheets forwaterproofing Definitionsand characteristics of underlaysPart 2: Underlays for wallsBS EN 13859-2:2014 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 13859-2:2014.It supersedes BS EN 13859-2:2010 whi
2、ch is withdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee B/546, Flexible sheets for waterproofing and watervapour control.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purport to include a
3、ll the necessaryprovisions of a contract. Users are responsible for its correctapplication. The British Standards Institution 2014. Published by BSI StandardsLimited 2014ISBN 978 0 580 80946 0ICS 91.100.50Compliance with a British Standard cannot confer immunity fromlegal obligations.This British St
4、andard was published under the authority of theStandards Policy and Strategy Committee on 31 May 2014.Amendments issued since publicationDate Text affectedBS EN 13859-2:2014EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 13859-2 April 2014 ICS 91.100.50 Supersedes EN 13859-2:2010English Version
5、 Flexible sheets for waterproofing - Definitions and characteristics of underlays - Part 2: Underlays for walls Feuilles souples dtanchit - Dfinitions et caractristiques des crans souples - Partie 2: crans souples pour murs extrieurs Abdichtungsbahnen - Definitionen und Eigenschaften von Unterdeck-
6、und Unterspannbahnen - Teil 2: Unterdeck- und Unterspannbahnen fr Wnde This European Standard was approved by CEN on 16 February 2014. 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 s
7、tandard 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 CEN member. This European Standard exists in three official versions (English, French, German). A version i
8、n 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 versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech
9、Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EURO
10、PEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2014 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 13859-2:2014 EBS
11、 EN 13859-2:2014EN 13859-2:2014 (E) 2 Contents Page Foreword 4 1 Scope 5 2 Normative references 5 3 Terms and definitions .6 4 Product characteristics .6 4.1 General 6 4.2 Dimensions, straightness and mass per unit area .7 4.3 Application related characteristics 7 4.4 Dangerous substances .8 5 Testi
12、ng 9 5.1 Sampling .9 5.2 Test methods 9 6 Assessment and verification of the constancy of performance AVCP 10 6.1 General . 10 6.2 Type Testing 11 6.3 Factory production control (FPC) . 12 7 Product data sheet 16 8 Marking, labelling and packaging . 16 Annex A (normative) Determination of tensile pr
13、operties 17 A.1 General . 17 A.2 Apparatus 17 A.3 Sampling 17 A.4 Preparation of test specimens 17 A.5 Procedure 17 A.6 Expression and evaluation of results . 18 A.7 Test report . 19 Annex B (normative) Determination of resistance to tearing . 20 B.1 General . 20 B.2 Apparatus 20 B.3 Sampling 20 B.4
14、 Preparation of test specimens 20 B.5 Procedure 20 B.6 Expression and evaluation of results . 21 B.7 Test report . 21 Annex C (normative) Artificial ageing by exposure to UV and heat 22 C.1 General . 22 C.2 Principle . 22 C.3 Apparatus 22 C.4 Preparation of test specimens 22 C.5 Procedure 23 C.6 Exp
15、ression of results . 23 C.7 Test report . 23 Annex D (normative) Product type determination and frequencies of testing for factory production control 25 Annex E (informative) Example of a product data sheet . 26 BS EN 13859-2:2014EN 13859-2:2014 (E) 3 Annex ZA (informative) Clauses of this European
16、Standard addressing provision of the Construction Products Regulation (CPR) . 28 ZA.1 Scope and relevant characteristics . 28 ZA.2 Procedures for AVPC of the flexible sheets for underlays . 29 ZA.3 CE marking and labelling 36 Bibliography 38 BS EN 13859-2:2014EN 13859-2:2014 (E) 4 Foreword This docu
17、ment (EN 13859-2:2014) 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 lates
18、t by October 2014 and conflicting national standards shall be withdrawn at the latest by October 2014. 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 suc
19、h patent rights. This document supersedes EN 13859-2:2010. The main technical changes that have been made in this new edition are as follows: a) application related characteristic emissivity has been added; b) wording and Annex ZA has been adapted to the CPR. EN 13859, Flexible sheets for waterproof
20、ing Definitions and characteristics of underlays, is composed of the following parts: Part 1: Underlays for discontinuous roofing; Part 2: Underlays for walls (the present document). This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade A
21、ssociation, and supports essential requirements of Regulation (EU) No. 305/2011. For relationship with Regulation (EU) No. 305/2011, see informative Annex ZA, which is an integral part of this document. According to the CEN-CENELEC Internal Regulations, the national standards organizations of the fo
22、llowing 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, Luxembourg, Malta, Netherlands
23、, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 13859-2:2014EN 13859-2:2014 (E) 5 1 Scope This European standard specifies the characteristics of flexible sheets for underlays for walls which are to be used in walls behind out
24、side wall coverings in order to avoid penetration of wind and water from outside. It specifies the requirements and test methods and provides for the evaluation of conformity of the products with the requirements of this document. 2 Normative references The following documents, in whole or in part,
25、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 document (including any amendments) applies. EN 1107-1, Flexible sheets for waterproofing - Part 1
26、: Bitumen sheets for roof waterproofing - Determination of dimensional stability EN 1107-2, Flexible sheets for waterproofing - Determination of dimensional stability - Part 2: Plastic and rubber sheets for roof waterproofing EN 1109, Flexible sheets for waterproofing - Bitumen sheets for roof water
27、proofing - Determination of flexibility at low temperature EN 1296, Flexible sheets for waterproofing - Bitumen, plastic and rubber sheets for roofing - Method of artificial ageing by long term exposure to elevated temperature EN 1297, Flexible sheets for waterproofing - Bitumen, plastic and rubber
28、sheets for roof waterproofing - Method of artificial ageing by long term exposure to the combination of UV radiation, elevated temperature and water EN 1848-1, Flexible sheets for waterproofing - Determination of length, width and straightness - Part 1: Bitumen sheets for roof waterproofing EN 1848-
29、2, Flexible sheets for waterproofing - Determination of length, width, straightness and flatness - Part 2: Plastic and rubber sheets for roof waterproofing EN 1849-1, Flexible sheets for waterproofing - Determination of thickness and mass per unit area - Part 1: Bitumen sheets for roof waterproofing
30、 EN 1849-2, Flexible sheets for waterproofing - Determination of thickness and mass per unit area - Part 2: Plastic and rubber sheets EN 1928:2000, Flexible sheets for waterproofing - Bitumen, plastic and rubber sheets for roof waterproofing - Determination of watertightness EN 1931, Flexible sheets
31、 for waterproofing - Bitumen, plastic and rubber sheets for roof waterproofing - Determination of water vapour transmission properties EN 12114, Thermal performance of buildings - Air permeability of building components and building elements - Laboratory test method EN 12310-1:1999, Flexible sheets
32、for waterproofing - Part 1: Bitumen sheets for waterproofing - Determination of resistance to tearing (nail shank) EN 12311-1, Flexible sheets for waterproofing - Part 1: Bitumen sheets for roof waterproofing - Determination of tensile properties BS EN 13859-2:2014EN 13859-2:2014 (E) 6 EN 13111, Fle
33、xible sheets for waterproofing - Underlays for discontinuous roofing and walls - Determination of resistance to water penetration EN 13416:2001, Flexible sheets for waterproofing - Bitumen, plastic and rubber sheets for roof waterproofing - Rules for sampling EN 13501-1:2007+A1:2009, Fire classifica
34、tion of construction products and building elements - Part 1: Classification using data from reaction to fire tests EN 15976, Flexible sheets for waterproofing - Determination of emissivity EN ISO 11925-2, Reaction to fire tests - Ignitability of products subjected to direct impingement of flame - P
35、art 2: Single-flame source test (ISO 11925-2:2010) EN ISO 12572, Hygrothermal performance of building materials and products - Determination of water vapour transmission properties (ISO 12572:2001) 3 Terms and definitions For the purposes of this document, the terms and definitions given in EN 13416
36、:2001 and the following apply. 3.1 manufacturers declared value MDV value declared by the manufacturer accompanied by a declared tolerance 3.2 manufacturers limiting value MLV value that is stated by the manufacturer to be met during testing and that can be a minimum or a maximum value according to
37、statements made under the product characteristics of this document 3.3 sample sheet from which a test piece is taken 3.4 sampling procedure used to select or constitute a sample 3.5 test piece part of the sample from which test specimens are taken 3.6 test specimen piece of precise dimensions taken
38、from the test piece 3.7 underlays for walls factory made flexible sheets of plastics, bitumen, rubber or other suitable materials, which are used behind external wall coverings BS EN 13859-2:2014EN 13859-2:2014 (E) 7 4 Product characteristics 4.1 General The arithmetic mean value calculated from a n
39、umber of test results shall lie within the tolerance declared for the characteristic. 95 % of the individual results shall lie within the declared tolerance unless otherwise specified in this document. When tested for purposes other than initial type testing or factory production control, the tests
40、to determine product characteristics indicated in this document shall be started within 1 month of delivery from the manufacturer. 4.2 Dimensions, straightness and mass per unit area The dimensions, straightness and mass per unit area shall comply with the values declared by the manufacturer (see An
41、nex D) in accordance with 5.2.1. The tolerances required are indicated in Table 1. Table 1 Tolerances on length, width, straightness and mass per unit area Characteristic Tolerance Length 0 % Width 0,5 % to +1,5 % Straightness Maximum deviation from straightness: 30 mm per 10 m length or in proporti
42、on for other lengths (e.g. 15 mm per 5 m length) Mass per unit area Shall lie within the declared tolerance of the MDV 4.3 Application related characteristics 4.3.1 Reaction to fire Where required, the reaction to fire shall be determined in accordance with 5.2.2. 4.3.2 Resistance to water penetrati
43、on 4.3.2.1 Class W1 The product shall be classified as resistant to water penetration Class W1 if it passes the resistance to water penetration test in accordance with 5.2.3. If the product fails the test of resistance to water penetration indicated in 5.2.3, it shall be tested in accordance with 4.
44、3.2.2. 4.3.2.2 Class W2 A product failing to pass the test indicated in 5.2.3 shall be tested in accordance with 5.2.4. If the measured mean volume of water passing through the specimens tested is less than 100 ml, the product shall be classified as resistant to water penetration Class W2. 4.3.2.3 C
45、lass W3 If the product fails the test indicated in 4.3.2.2, e.g. the measured mean volume passing the specimens exceeds 100 ml, it shall be classified as resistant to water penetration Class W3. Untested products shall also be classified as resistant to water penetration Class W3. BS EN 13859-2:2014
46、EN 13859-2:2014 (E) 8 4.3.3 Water vapour transmission properties The product shall be tested in accordance with 5.2.5 and the results shall lie within the declared tolerance of the manufacturers declared value. Other measuring methods shall also be allowed if the correlation with 5.2.5 is proved and
47、 recorded. If the water vapour diffusion-equivalent air layer thickness sdis above or equal to 0,2 m the product shall be tested in accordance with 5.2.5.1. If the sdvalue is below 0,2 m the product shall be tested in accordance with 5.2.5.2. If the sdvalue is below 0,1 m the standard deviation s sh
48、all also be recorded in the test report. 4.3.4 Resistance to penetration of air The product shall be tested in accordance with 5.2.6. The test result shall be given as air permeability, expressed in m3air per m2, hour at 50 Pascals pressure difference (m3/(m2 h 50 Pa). The value of air permeability
49、shall be equal to or lower than the manufacturers limiting value. 4.3.5 Tensile properties The product shall be tested in accordance with 5.2.7 and the results shall lie within the declared tolerance of the manufacturers declared values for tensile strength and the maximum and/or minimum values for elongation for both longitudinal and transverse directions. 4.3.6 Resistance to tearing The resistance to tearing of underlays shall be tested in accordance with 5.2.8 and the results shall lie within the declared tolerance of the manufacturers declared
