1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN 14909:2012Flexible sheets forwaterproofing Plasticand rubber damp proof courses Definitions and characteristicsBS EN 14909:2012 BRITISH STANDARDNational forewordThis Britis
2、h Standard is the UK implementation of EN 14909:2012. It supersedes BS EN 14909:2006 which is withdrawn.The UK participation in its preparation was entrusted to Technical Committee B/546, Flexible sheets for waterproofing and water vapour control.A list of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 committee
3、 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 2012.Published by BSI Standards Limited 2012ISBN 978 0 580 75819 5 ICS 01.040.91;
4、 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 May 2012.Amendments issued since publicationDate T e x t a f f e c t e dBS EN 14909:2012EUROPEAN ST
5、ANDARD NORME EUROPENNE EUROPISCHE NORM EN 14909 May 2012 ICS 01.040.91; 91.100.50 Supersedes EN 14909:2006English Version Flexible sheets for waterproofing - Plastic and rubber damp proof courses - Definitions and characteristics Feuilles souples dtanchit - Barrires dtanchit plastiques et lastomres
6、contre les remontes capillaires dans les murs - Dfinitions et caractristiques Abdichtungsbahnen - Kunststoff- und Elastomer-Mauersperrbahnen - Definitionen und Eigenschaften This European Standard was approved by CEN on 30 March 2012. CEN members are bound to comply with the CEN/CENELEC Internal Reg
7、ulations 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 CEN mem
8、ber. 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 versions.
9、CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia
10、, 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 form and by any means reserved worldwide for C
11、EN national Members. Ref. No. EN 14909:2012: EBS EN 14909:2012EN 14909:2012 (E) 2 Contents Page Foreword 4Introduction .51 Scope 62 Normative references 63 Terms and definitions .74 Product designation 85 Product characteristics .85.1 General 85.2 Deviation from test sample dimensions 85.3 Visible d
12、efects 85.4 Dimensions and tolerances 85.5 Thickness and mass per unit area .85.6 Watertightness .85.7 Resistance to impact .95.8 Durability 95.8.1 Against ageing/degradation .95.8.2 Against alkali 95.9 Resistance to low temperature .95.10 Resistance to tearing (nail shank) .95.11 Joint strength .95
13、.12 Water vapour transmission properties 95.13 Resistance to static loading .95.14 Resistance to deformation under load for type V 95.15 Reaction to fire 105.16 Dangerous substances 106 Evaluation of conformity 106.1 General . 106.2 Initial type testing . 106.2.1 General . 106.2.2 Sampling 126.3 Fac
14、tory production control (FPC) . 126.3.1 General . 126.3.2 Frequency of testing 127 Product data sheet 128 Marking, labelling and packaging . 13Annex A (informative) Product designation code . 14Annex B (normative) Method of testing the resistance of flexible ventilating damp proof membranes to defor
15、mation under load 15B.1 Principle . 15B.2 Apparatus 16B.3 Preparation of test samples and test specimens 17B.4 Procedure 17B.5 Expression of results . 18B.6 Test report . 18Annex C (informative) Example of product data sheet . 19BS EN 14909:2012EN 14909:2012 (E) 3 Annex ZA (informative) Clauses of t
16、his European Standard addressing the provisions of the EU Construction Products Directive . 21ZA.1 Scope and relevant characteristics . 21ZA.2 Procedures for attestation of conformity 22ZA.3 CE marking and labelling 27Bibliography 29BS EN 14909:2012EN 14909:2012 (E) 4 Foreword This document (EN 1490
17、9:2012) 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 November 2
18、012, and conflicting national standards shall be withdrawn at the latest by November 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 14909:2006. 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: the resistance to low temperature is only tested with the upper side in tension; the minimum tolerance for the water vapour transmission is fixed; the rules for mounting and fixing for reaction of fire testing are improved and th
21、e variation of products where a result apply are fixed; for FPC the indirect testing as in other TC 254 standards is introduced. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria,
22、Belgium, Bulgaria, Croatia, 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, Turkey and the United Kingdo
23、m. BS EN 14909:2012EN 14909:2012 (E) 5 Introduction The purpose of damp proof courses is to prevent water rising up a wall from the ground, water moving from one part of a wall to another and to deflect water from an inner wall of a cavity wall construction to the exterior of the building. Damp proo
24、f courses may also be used in masonry chimneys and parapet walls to protect the inside of the building from water moving down from above. They should be designed in conjunction with flashings and sheets for waterproofing, including roofing sheets and damp proof sheets, to ensure a continuous barrier
25、 and should deflect water to the exterior of a building so that it can drain away safely. BS EN 14909:2012EN 14909:2012 (E) 6 1 Scope This European Standard specifies the characteristics of flexible sheets of plastics and rubber intended for use as damp proof courses for buildings. It specifies the
26、requirements and test methods and provides for the evaluation of conformity of the products with the requirements of this European Standard. This European Standard does not cover related products such as preformed cavity trays, coping and flashings. 2 Normative references The following documents, in
27、 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 document (including any amendments) applies. EN 495-5, Flexible sheets for wate
28、rproofing Determination of foldability at low temperature Part 5: Plastic and rubber sheets for roof waterproofing 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 1847, Flexible she
29、ets for waterproofing Plastics 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,
30、 Flexible sheets 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 1928:2000, Flexible sheets for waterproofin
31、g Bitumen, plastic 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 12310-1, Flexible sheets for waterproofing Part 1:
32、 Bitumen sheets for waterproofing Determination of resistance to tearing (nail shank) EN 12317-2, Flexible sheets for waterproofing Determination of shear resistance of joints Part 2: Plastic and rubber sheets for roof waterproofing EN 12691, Flexible sheets for waterproofing Bitumen, plastic and ru
33、bber 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 13416:2001, Flexible sheets for waterproofing Bitumen, plastic and rubber sh
34、eets for roof waterproofing Rules for sampling EN 13501-1:2007+A1:2009, Fire classification of construction products and building elements Part 1: Classification using data from reaction to fire tests BS EN 14909:2012EN 14909:2012 (E) 7 EN ISO 11925-2, Reaction to fire tests Ignitability of products
35、 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 terms and definitions given in EN 13416:2001 and the following apply. 3.1 waterproofing action to prevent the passage of water from one plane to ano
36、ther 3.2 plastics and rubber damp proof course flexible sheets of plastics or rubbers or composites based on these materials whose function is to prevent liquid water passing from one part of the wall to another (see Introduction) 3.3 ventilating or draining damp proof course flexible sheets conform
37、ing to the definition in 3.2 but with the ability to provide a continuous void or structure to allow free movement of water vapour or liquid water between the underside of the damp proof course and any further construction 3.4 manufacturers limiting value MLV value that is stated by the manufacturer
38、 to be met during testing and that can be a minimum or a maximum value according to statements made under product characteristics of this standard 3.5 manufacturers declared value MDV value declared by the manufacturer accompanied by a declared tolerance 3.6 plastic or rubber sheet factory-made flex
39、ible membrane made from a plastic or rubber which may include composites with other materials 3.7 sampling procedure used to select or constitute a sample 3.8 sample sheet from which a test piece is taken 3.9 test piece part of the sample from which test specimens are taken 3.10 test specimen piece
40、of precise dimensions taken from the test piece 3.11 batch amount of product continuously manufactured to the same specification BS EN 14909:2012EN 14909:2012 (E) 8 4 Product designation The types of damp proof sheets covered by this European Standard are designated as follows: TYPE A damp proof cou
41、rse; TYPE V damp proof course ventilating or draining. 5 Product characteristics 5.1 General 5.1.1 Where a tolerance is limited by this European Standard 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,
42、 the tests to determine product characteristics indicated in this standard shall be started within one month of delivery of the product from the manufacturer. 5.2 Deviation from test sample dimensions Where the contours of the product make it impossible to obtain a test sample of the required dimens
43、ions, or otherwise render the test impracticable, testing may be carried out either on samples of different dimensions or if still impracticable on the equivalent flat sheet of the same thickness as the finished product. Any such deviations from the test method shall be recorded on the test report a
44、nd the product data sheet. 5.3 Visible defects The product shall be free of visible defects determined in accordance with EN 1850-2. 5.4 Dimensions and tolerances The length, width and straightness shall be determined in accordance with EN 1848-2. The length and width shall lie within the declared t
45、olerance of the manufacturers declared value. The maximum deviation from straightness shall not exceed 75 mm per 10 m length or in proportion for other lengths (e.g. 37,5 mm per 5 m length). 5.5 Thickness and mass per unit area The thickness and mass per unit area shall be determined in accordance w
46、ith EN 1849-2. Where a product is specified by mass per unit area, the mass shall lie within the declared tolerance of the manufacturers declared value. Where it is not practicable to obtain a sample (see 5.2), a larger sample area shall be used and the deviation from the test method noted. Where a
47、product is specified by thickness, the thickness shall lie within the declared tolerance of the manufacturers declared value. No single measurement shall lie outside the declared tolerance of the manufacturers declared value. 5.6 Watertightness The product shall be watertight as determined by EN 192
48、8:2000 Method A with a pressure of 2 kPa and shall give a pass result. BS EN 14909:2012EN 14909:2012 (E) 9 5.7 Resistance to impact Where required resistance to impact shall be determined in accordance with EN 12691 and shall be greater than or equal to the manufacturers limiting value. 5.8 Durabili
49、ty 5.8.1 Against ageing/degradation In order to verify the artificial ageing behaviour of the product, watertightness shall be determined after exposure in accordance with EN 1296 for a period of 12 weeks. The watertightness shall be determined in accordance with EN 1928:2000 Method A at a pressure of 2 kPa
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