1、BRITISH STANDARDBS EN 13914-2:2005Design, preparation and application of external rendering and internal plastering Part 2: Design considerations and essential principles for internal plasteringThe European Standard EN 13914-2:2005 has the status of a British StandardICS 91.100.10g49g50g3g38g50g51g6
2、0g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58Licensed Copy: Wang Bin, na, Thu Sep 01 07:30:01 BST 2005, Uncontrolled Copy, (c) BSIBS EN 13914-2:2005This British Sta
3、ndard was published under the authority of the Standards Policy and Strategy Committee on 20 June 2005 BSI 20 June 2005ISBN 0 580 46087 8National forewordThis British Standard is the official English language version of EN 13914-2:2005.The UK participation in its preparation was entrusted by Technic
4、al Committee B/544, Plastering, Rendering, Dry Lining, to Subcommittee B/544/4, Plastering, which has the responsibility to:A list of organizations represented on this subcommittee can be obtained on request to its secretary.Cross-referencesThe British Standards which implement international or Euro
5、pean publications referred to in this document may be found in the BSI Catalogueunder the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online.This publication does not purport to include all
6、 the necessary provisions of a contract. Users are responsible for its correct application.Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on
7、the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK.Summary of pagesThis document comprises a front cover, an inside front cover, the EN title page, pages 2 to 21 and a back cover.The B
8、SI copyright notice displayed in this document indicates when the document was last issued.Amendments issued since publicationAmd. No. Date CommentsLicensed Copy: Wang Bin, na, Thu Sep 01 07:30:01 BST 2005, Uncontrolled Copy, (c) BSIEUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 13914-2May 2005IC
9、S 91.100.10English versionDesign, preparation and application of external rendering andinternal plastering - Part 2: Design considerations and essentialprinciples for internal plasteringConception, prparation et mise en oeuvre des enduitsintrieurs et extrieurs - Partie 2: enduits intrieursPlanung, Z
10、ubereitung und Ausfhrung von Innen- undAuenputzen - Teil 2: Planung und wesentliche Grundstzefr InnenputzThis European Standard was approved by CEN on 3 March 2005.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandar
11、d the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the Central Secretariat or to any CEN member.This European Standard exists in three official versions (English, French, Germ
12、an). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmar
13、k, Estonia, Finland, France,Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia,Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES
14、 KOMITEE FR NORMUNGManagement Centre: rue de Stassart, 36 B-1050 Brussels 2005 CEN All rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 13914-2:2005: ELicensed Copy: Wang Bin, na, Thu Sep 01 07:30:01 BST 2005, Uncontrolled Copy, (c) BSIEN 139
15、14-2:2005 (E) 2Contents pageForeword. 31 Scope 42 Terms and definitions. 43 Essential principles and building programme. 64 Design 7Table 1 Classification of flatness of plastered finish 13Table 2 Recommended limits for angularity. 13Figure 1 Example of measurement of angularity of plastered reveal
16、showing length ,for less than 0,25 m. 145 Preparation and application of plasters . 146 Restoration of plasters on old and historic buildings 16Annex A (normative) Design considerations for work and acceptance of smooth plaster finishes. 18Annex B (informative) Methods of minimising the occurrence o
17、f cracks . 20Bibliography . 21Licensed Copy: Wang Bin, na, Thu Sep 01 07:30:01 BST 2005, Uncontrolled Copy, (c) BSIEN 13914-2:2005 (E) 3Foreword This document (EN 13914-2:2005) has been prepared by Technical Committee CEN/TC 125 “Masonry”, the secretariat of which is held by BSI. This European Stand
18、ard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by October 2005, and conflicting national standards shall be withdrawn at the latest by October 2005. The initial draft of this document was prepared by the European sect
19、ion of International Union of Contractors of Plastering, Dry Lining, Stucco and Related Activities (UIEP) at the request of the CEN Technical Sector Board (Resolution No.BTS1/56/1991). It has been revised by CEN/TC125/JWG5 in conjunction with CEN/TC 241. Relevant data are summarized in a series of t
20、ables. This part of EN 13914 applies to design for plaster made of mortars containing inorganic and organic binders and mineral aggregate1), applied on internal vertical and soffit surfaces of structures. Aspects of this document where basic recommendations may need to be complemented by additional
21、recommendations are indicated by a footnote referencing the Foreword. Because this standard is a code-like document as opposed to the more conventional EN product standard, it is appropriate to mention that, as with product standards, the use of the verbal form shall denotes a requirement for which
22、verification of compliance has to be able to be demonstrated. Recommendations are denoted by the verbal form should and should be followed unless there is a justifiable reason for not doing so. It is not the function of this standard to assign responsibility for the design and application of any wor
23、k or actions mentioned within to any specific party. Such responsibility is a matter for other documentation associated with the work, e.g. the contract. It has been assumed in the drafting of this document that the application of its provisions is entrusted to appropriately qualified and experience
24、d people, for whose guidance it has been prepared. Separate CEN Technical Reports containing guidance relating to the design, preparation and application of plaster and plastering systems for gypsum, cement and/or lime (CEN/TR 15125) and polymer plasters (CEN/TR 15123) are available. According to th
25、e CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxemb
26、ourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. 1)The aggregate can be omitted from mortars made from gypsum plaster or anhydrite binders.Licensed Copy: Wang Bin, na, Thu Sep 01 07:30:01 BST 2005, Uncontrolled Copy, (c) BSIEN 139
27、14-2:2005 (E) 41 Scope This standard concerns the design considerations and essential principles for internal plastering systems and application of plastering systems. The standard gives in different parts requirements and recommendations for building details, design and materials considerations, th
28、e selection of mixes and the application of gypsum plasters; gypsum/lime plasters; premixed lightweight plasters; anhydrite plasters; lime/gypsum; cement and cement/lime based plasters; lime based plasters, silicate plasters, polymer plasters and polymer modified plasters. This standard does not dea
29、l with the following: external finishes; painting and or preparation; impregnations; structural repair of concrete; fibrous plasterwork Because of the many and varied materials and practices in Europe it is not possible for certain aspects of the standard to enter into sufficient detail to be fully
30、usable to practitioners in each country. Such guidance to complement, but not alter any basic European recommendations are given in documentation prepared by each country. Aspects of this European Standard whose basic recommendations may need to be complemented are indicated where they occur by a fo
31、otnote referencing this clause. Further information is given in Technical Reports as follows: CEN/TR 15124 Design, preparation and application of internal gypsum plastering systems; CEN/TR 15125 Design, preparation and application of internal cement and/or lime plastering systems; CEN/TR 15123 Desig
32、n, preparation and application of internal polymer plastering systems. 2 Terms and definitions For the purposes of this document, the following terms and definitions apply. 2.1plaster mixture based on one or more binders, that is applied while plastic and that hardens after application, used to obta
33、in an internal surface finish. It does not acquire its final characteristics until it has set and/or hardened on the building component 2.2plastering the application of plaster 2.3plaster coat obtained by application of one or more layers with one or more mixes of the same product Licensed Copy: Wan
34、g Bin, na, Thu Sep 01 07:30:01 BST 2005, Uncontrolled Copy, (c) BSIEN 13914-2:2005 (E) 52.4plaster layer plaster applied wet on wet to obtain the final thickness with one or more mixes of the same product, when all operations are completed before the plaster has set 2.5plastering system plaster coat
35、 or sequence of plaster coats applied to a background, including the possible use of a support and/or reinforcement and/or pre-treatment 2.6undercoat lower plaster coat or plaster coats of a plastering system 2.7final coat last plaster coat of a multicoat plastering system 2.8one coat plaster plaste
36、r applied to a non-plastered background in one coat which fulfils all the functions of an undercoat and a final coat 2.9skim coat thin (e.g. 2 mm or 3 mm) plaster coat applied to a non-plastered background 2.10backgroundsurface of a construction element to which a plastering system is to be applied
37、2.11reinforcement material incorporated within a plaster coat to improve resistance to cracking (e.g. mesh) 2.12support product attached to the background to which a plaster is applied so that the plastering system is largely independent of the background (e.g. lathing) 2.13liningtrue representation
38、 of a frame which was to be plastered up to 2.14depth gauge a band of plaster or bead used in setting for a required thickness or evenness 2.15bonding agent proprietary material used to improve adhesion of the plastering system to the background where necessary 2.16primer to reduce suction material
39、for pretreatment, to reduce the suction of the background where necessary Licensed Copy: Wang Bin, na, Thu Sep 01 07:30:01 BST 2005, Uncontrolled Copy, (c) BSIEN 13914-2:2005 (E) 62.17spatterdash or stipple pretreatments to prepare a background for plastering. They do not form a coat in the plasteri
40、ng system 2.18crazing network of short, irregular and very fine cracks 2.19efflorescence formation of crystals on a surface during drying caused by the presence of soluble salts 3 Essential principles and building programme 3.1 Essential principles The design shall include drawings and specification
41、s, e.g. quantities, prepared in detail to afford proper guidance in the preparation of estimates and the execution of the work. Prior to the commencement of the contract there should be an exchange of information between all parties concerned. When preparing plastering details the design shall take
42、into account the following points: a) nature and condition of the background, including any necessary pretreatment; b) functional requirements; c) type of plaster and other materials to be used in the plastering system. It is recommended that these materials should conform to appropriate documents w
43、here available and where not available should conform to standards accepted in the place of use. See also prCEN/ TRs for gypsum; cement and/or lime and polymer plasters; d) type of finish/appearance; e) thickness required including: 1) the finished sizes and heights of rooms or other spaces; 2) deta
44、ils of the nature of the junctions with door frames, ceilings, linings etc; 3) the positioning of installations and fittings; 4) any other situations which may affect the plaster thicknesses. f) preparation of the different building surfaces to receive the various types of cornices, arrises, corner
45、treatments, metal accessories (such as angles and beads), expansion joints, etc.; g) work of other trades, particularly in connection with service pipes, conduits, wiring and so forth, that are to be covered by or buried in the plaster; h) compatibility of the plaster with adjacent materials. A reco
46、rd should be kept of the dates of completion of each area in larger projects by the plastering contractor. Licensed Copy: Wang Bin, na, Thu Sep 01 07:30:01 BST 2005, Uncontrolled Copy, (c) BSIEN 13914-2:2005 (E) 7Adequate lighting shall be provided during the plastering work. See Annex A. 3.2 Buildi
47、ng programme In preparing a time schedule for the work involved in a building, each operation should be considered in relation to the others. Agreement shall be obtained between all the various parties on the programme times for all the necessary operations and the correct sequence for carrying out
48、these operations. The programme should be kept up-to-date as the project proceeds and damage by subsequent trades should be avoided. The following items shall be considered by those involved in planning the programme. a) plastering should only commence in those parts of the building which are weathe
49、r tight; b) time for the background to be completed and for all the preceding trades to be complete; c) time for the background to be investigated and to dry out; d) time to allow for any periods when the background and air temperatures fall below 5 C. (Alternatively heating may be provided to keep the temperatures above 5 C); e) sufficient area of background to be available at any one time for plastering; f) time for the preparation of the background, application and drying out of each coat of plaster; g) time for inspection and repair,
