BS 5427-2016 Code of practice for the use of profiled sheet for roof and wall cladding on buildings《建筑物屋顶和镶面板用型板惯例》.pdf

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1、BSI Standards PublicationBS 5427:2016Code of practice for the useof profiled sheet for roofand wall cladding onbuildingsPublishing and copyright informationThe BSI copyright notice displayed in this document indicates when the documentwas last issued. The British Standards Institution 2016Published

2、by BSI Standards Limited 2016ISBN 978 0 580 53900 8ICS 91.060.10; 91.060.20The following BSI references relate to the work on this document:Committee reference B/542/6Draft for comment 15/30095322 DCPublication historyFirst published November 1976Second edition (published as BS 5427-1) July 1996Thir

3、d (present) edition April 2016Amendments issued since publicationDate Text affectedBS 5427:2016 BRITISH STANDARDContentsForeword iv1 Scope 12 Normative references 13 Terms and definitions 34 Design 64.1 General 64.2 Weatherproofing properties of profiled sheeting 85 Components 85.1 Profiled sheeting

4、 85.2 Built-up metal 115.3 Sandwich panels 165.4 Rooflights 175.5 Fibre cement 225.6 Bitumen fibre 235.7 Thermal insulation and moisture vapour control 235.8 Spacers 255.9 Fixings and fasteners 275.10 Sealants and profile fillers 335.11 Flashings 345.12 Gutters and rainwater goods 355.13 Roof and wa

5、ll penetrations 375.14 Safety systems 386 Installation and weathertightness laps and seals 416.1 Design detailing 416.2 Profiled metal and sandwich panels 436.3 Fibre cement sheeting 446.4 Rooflight laps 447 Building physics 467.1 Temperature and thermal movement 467.2 Structural loads, spans and st

6、rength 517.3 Safety and non-fragility 547.4 Control of condensation 567.5 Limitation of energy use by control of air leakage and effective thermalinsulation 607.6 Acoustics 617.7 Fire precautions 627.8 Artificial lighting systems 627.9 Durability and coatings 627.10 Compatibility of materials 677.11

7、 Lightning and electrical charges 748 Inspection and maintenance 748.1 General 748.2 Maintenance of profiled sheeting 758.3 Indications of the need for maintenance 768.4 Paint and conversion coatings 768.5 Plain aluminium 768.6 Anodized aluminium 768.7 Metallic coated steel 768.8 Fibre cement 768.9

8、Stainless steel 778.10 Translucent sheets 778.11 GRP 778.12 PVC and polycarbonate 77BRITISH STANDARD BS 5427:2016 The British Standards Institution 2016 iAnnexesAnnex A (normative) Corrosion protection 78Annex B (normative) Impact test for wall cladding 78Annex C (normative) Determination of strengt

9、h and stiffness of profiledsheeting 81Annex D (informative) Types of spacer kits and halters 86Annex E (normative) Determination of the strength of attachment of a claddingsystem 89Annex F (normative) Water permeability of a complete profiled roof system 98Bibliography 100List of figuresFigure 1 Geo

10、metrical definitions of profiles 3Figure 2 Schematic showing cross section of popular roofing and claddingsystems 14Figure 3 Bar and bracket and halter spacer kits 25Figure 4 Examples of fasteners 28Figure 5 Minimum heights for arrest systems 39Figure 6 Supported roof side lap 43Figure 7 Examples of

11、 fixed point and floating point fastener positions for rigidaluminium flashings 50Figure D.1 Bar and bracket spacer kit variants 87Figure E.1 Typical pull-through and pull-out test arrangements 91Figure E.2 Spacer kit in-plane sway stability test set-up 92Figure E.3 Space kit bracket detachment test

12、 set-up 94Figure E.4 Spacer kit bracket compression test set up 95Figure E.5 Spacer kit-bar bending test set-up 97List of tablesTable 1 Harmonized European self-supporting profiled sheet standards 9Table 2 Common insulating materials for use with profiled sheeting 24Table3Typical chemical compositio

13、n of austenitic stainless steel fasteners(based on BS EN 10088-2, BS EN ISO 3506-1 and BS EN ISO 3506-4) 32Table 4 Standards for rainwater goods 36Table 5 Size, shape and position of sealant(s) for typical 150 mm roof end lapdetails (built up systems) 42Table 6 Size, shape and position of sealant(s)

14、 for typical 150 mm roof end lapdetails (sandwich systems) 42Table 7 Accommodation of thermal movement along sheets 47Table8Temperature limitations 48Table 9 Methods of determining strength and rigidity 52Table 10 Normal maximum permissible deflection for profiled sheeting andsandwich panels under d

15、istributed loads 53Table 11 Examples of sound pressure levels in relation to hearing thresholdsand pain thresholds 61Table 12 Test methods for the durability of coatings 63Table 13 Internal humidity classes: building types and limiting relativehumidities 64Table 14 The effect of various exposure con

16、ditions on the durability of profiledmetal sheeting materials 68Table 15 The effect of various exposure conditions on the durability of profilednon-metallic sheeting materials 71Table 16 Checklist inspection of profiled sheet roofs 75Table A.1 Corrosion categories for assessing the expected durabili

17、ty ofprofiles 78BRITISH STANDARDBS 5427:2016ii The British Standards Institution 2016Table B.1 Categories associated with impacts on surfaces of the verticalenclosure to buildings 79Table B.2 Test impacts for retention of performance of exterior wallsurfaces 80Table B.3 Impactors for test purposes 8

18、0Summary of pagesThis document comprises a front cover, an inside front cover, pages i to iv,pages 1 to 102, an inside back cover and a back cover.BRITISH STANDARD BS 5427:2016 The British Standards Institution 2016 iiiForewordPublishing informationThis British Standard is published by BSI Standards

19、 Limited, under licence fromThe British Standards Institution, and came into effect on 30thApril 2016. It wasprepared by Subcommittee B/542/6, Corrugated sheeting materials, under theauthority of Technical Committee B/542, Roofing and cladding products fordiscontinuous laying. A list of organization

20、s represented on this Subcommitteecan be obtained on request to its secretary.SupersessionThis British Standard supersedes BS 5427-1:1996, which is withdrawn.Information about this documentThis is a full revision of the standard. It takes into account recent changes anddevelopments in materials, com

21、ponents, cladding systems and design practice,such as sheeting profiles, surface coatings, fixing systems, thermal insulation, theuse of liners, and alleviation of condensation.Use of this documentAs a code of practice, this British Standard takes the form of guidance andrecommendations. It should n

22、ot be quoted as if it were a specification andparticular care should be taken to ensure that claims of compliance are notmisleading.Any user claiming compliance with this British Standard is expected to be able tojustify any course of action that deviates from its recommendations.It has been assumed

23、 in the preparation of this British Standard that theexecution of its provisions will be entrusted to appropriately qualified andexperienced people, for whose use it has been produced.Presentational conventionsThe provisions of this standard are presented in roman (i.e. upright) type. Itsrecommendat

24、ions are expressed in sentences in which the principal auxiliaryverb is “should”.Commentary, explanation and general informative material is presented insmaller italic type, and does not constitute a normative element.Contractual and legal considerationsThis publication does not purport to include a

25、ll the necessary provisions of acontract. Users are responsible for its correct application.Compliance with a British Standard cannot confer immunity from legalobligations.BRITISH STANDARDBS 5427:2016iv The British Standards Institution 20161 ScopeThis British Standard gives recommendations for the

26、design and construction ofexternal cladding assemblies for roofs and walls of buildings in the UK, usinglongitudinally profiled sheeting as the external surface, including standing seam.It is not applicable to profiled sheeting used as a supporting substrate, decking,structural liner trays, fully su

27、pported profiled sheets, structural compositeformations of profiled metal sheeting and concrete, small element cladding orexceptional applications, such as buildings for cold storage.The principal profiled sheeting materials covered by this British Standard aresteel, aluminium, fibre cement, bitumen

28、 fibre and plastics, including insulatedsandwich panel assemblies of profiled sheeting, thermal insulation and linings.In addition to referencing performance recommendations, materials andcomponents identified by other British Standards, advice on other materialsand components which are in common us

29、e but not covered by other BritishStandards is also given.This British Standard is intended for use by designers, manufacturers andinstallers of the roofing products.This British Standard excludes profiled sheets used for structural purposes.2 Normative referencesThe following documents, in whole or

30、 in part, are normatively referenced in thisdocument and are indispensable for its application. For dated references, onlythe edition cited applies. For undated references, the latest edition of thereferenced document (including any amendments) applies.Standards publicationsBS 476-3, Fire tests on b

31、uilding materials and structures Part 3: Classificationand method of test for external fire exposure to roofsBS 476-6, Fire tests on building materials and structures Part 6: Method of testfor fire propagation for productsBS 476-7, Fire tests on building materials and structures Part 7: Method of te

32、stto determine the classification of the surface spread of flame of productsBS 476-20, Fire tests on building materials and structures Part 20: Method fordetermination of the fire resistance of elements of construction (generalprinciples)BS 476-21, Fire tests on building materials and structures Par

33、t 21: Methods fordetermination of the fire resistance of loadbearing elements of constructionBS 476-22, Fire tests on building materials and structures Part 22: Methods fordetermination of the fire resistance of non-loadbearing elements of constructionBS 476-23, Fire tests on building materials and

34、structures Part 23: Methods fordetermination of the contribution of components to the fire resistance of astructureBS 5250, Code of practice for control of condensation in buildingsBS 5516-1, Patent glazing and sloping glazing for buildings Part 1: Code ofpractice for design and installation of slop

35、ing and vertical patent glazingBS 6100-0, Building and civil engineering Vocabulary Part 0: Introduction andindexBS 6229, Flat roofs with continuously supported coverings Code of practiceBRITISH STANDARD BS 5427:2016 The British Standards Institution 2016 1BS 8219, Installation of sheet roof and wal

36、l coverings Profiled fibre cement Code of practiceBS 8490, Guide to siphonic roof drainage systemsBS 8530, Traditional-style half round, beaded half round, Victorian ogee andmoulded ogee aluminium rainwater systems SpecificationBS EN 494, Fibre-cement profiled sheets and fittings Product specificati

37、on andtest methodsBS EN 506, Roofing products of metal sheet Specification for self-supportingproducts of copper or zinc sheetBS EN 508-1, Roofing and cladding products from metal sheet Specification forself-supporting of steel, aluminium or stainless steel sheet Part 1: SteelBS EN 508-2, Roofing pr

38、oducts from metal sheet Specification for selfsupporting products of steel, aluminium or stainless steel sheet Part 2:AluminiumBS EN 508-3, Roofing products from metal sheet Specification for selfsupporting products of steel, aluminium or stainless steel sheet Part 3: StainlesssteelBS EN 534, Corrug

39、ated bitumen sheets Product specification and test methodsBS EN 544, Bitumen shingles with mineral and/or synthetic reinforcements Product specification and test methodsBS EN 612, Eaves gutters with bead stiffened fronts and rainwater pipes withseamed joints made of metal sheetBS EN 795, Personal fa

40、ll protection equipment Anchor devicesBS EN 1013, Light transmitting single skin profiled plastics sheets for internaland external roofs, walls and ceilings Requirements and test methodsBS EN 1991-1-1, Eurocode 1: Actions on structures Part 1-1: General actions Densities, self-weight, imposed loads

41、for buildingsBS EN 1991-1-3, Eurocode 1 Actions on structures Part 1-3: General actions Snow loadsBS EN 1991-1-4, Eurocode 1: Actions on structures Part 1-4: General actions Wind actionsBS EN 1993-1-3, Eurocode 3 Design of steel structures Part 1-3: General rules Supplementary rules for cold-formed

42、members and sheetingBS EN 10147, Continuously hot-dip zinc coated structural steels strip and sheet Technical delivery conditionsBS EN 12056-3, Gravity drainage systems inside buildings Part 3: Roof drainage,layout and calculationBS EN 12865:2001, Hygrothermal performance of building components andb

43、uilding elements Determination of the resistance of external wall systems todriving rain under pulsating air pressureBS EN 13162, Thermal insulation products for buildings Factory made mineralwool (MW) products SpecificationBS EN 13165, Thermal insulation products for buildings Factory made rigidpol

44、yurethane foam (PU) products SpecificationBS EN 13501-1, Fire classification of construction products and building elements Part 1: Classification using test data from reaction to fire testsBRITISH STANDARDBS 5427:20162 The British Standards Institution 2016BS EN 13501-2, Fire classification of cons

45、truction products and building elements Part 2: Classification using data from fire resistance tests, excluding ventilationservicesBS EN 14509, Self-supporting double skin metal faced insulating panels Factorymade products SpecificationsBS EN 14782, Self-supporting metal sheet for roofing, external

46、cladding andinternal lining Product specification and requirementsBS EN 62305-3, Protection against lightning Part 3: Physical damage tostructures and life hazardBS EN ISO 6946, Building components and building elements Thermalresistance and thermal transmittance Calculation method (ISO 6946:2007)BS

47、 EN ISO 10211, Thermal bridges in building construction Heat flows andsurface temperatures Detailed calculations (ISO 10211:2007)BS EN ISO 11600, Building construction Jointing products Classification andrequirements for sealantsBS EN ISO 12944-2:1998, Paints and varnishes Corrosion protection of st

48、eelstructures by protective paint systems Part 2: Classification of environmentsBS EN ISO 13788, Hygrothermal performance of building components andbuilding elements Internal surface temperature to avoid critical surfacehumidity and interstitial condensation Calculation methods (ISO 13788:2012)PD CE

49、N/TS 16415, Personal fall protection equipment Anchor devices Recommendations for anchor devices for use by more than one personsimultaneouslyOther publicationsN1THE ADVISORY COMMITTEE FOR ROOFSAFETY. ACRM001 Test fornon-fragility of profiled sheeted and large element roofing assemblies.Fourth edition. London, 2011.3 Terms and definitionsFor the purposes of this British Standard, the terms a