Eurobrick Building Systems Ltd EUROBRICK CLADDING
Contents
1. Page 4 of 15 2 4 The management system of Eurobrick Systems Limited has been assessed and registered as meeting the requirements ot BS EN ISO 9001 2008 by CGS Certificate No GB2003636 3 Delivery and site handling 3 1 The Panels are stacked on timber pallets Each pack contains a label incorporating the manufacturer s name product name edge type thickness width length number of panels per pallet pallet weight recommended storage handling method appropriate classification to BS EN 15283 1 2008 A1 2009 and the CE marking 3 2 During transportation an impermeable cover should be used to protect the panels 3 3 Panels must be stored flat level clear of the ground on pallets out of direct sunlight and in dry conditions Panels should ideally be stored indoors however should shorHerm storage outdoors be necessary they must be covered with tarpaulin Panels must not be exposed to volatile organic solvents When moving manually individual panels should be maintained in a vertical position 3 4 Clay brick slips are delivered to site in shrink wrapped bundles on pallets They must be stored covered and on dry level ground 3 5 Containers of adhesive mortar sealants and expanding foam should be stored in dry conditions and protected against frost and excessive heat Adhesive and mortar must be used within the date indicated on the packaging or the supplier s guidelines Assessment and Technical Investigations The2. In the opinion of the BBA the X Clad External Cladding System if installed used and maintained in accordance with the provisions of this Certificate will meet or contribute to meeting the relevant requirements of the following Building Regulations the presence of a UK map indicates that the subject is related to the Building Regulations in the region or regions of the UK depicted The Building Regulations 2010 England and Wales as amended az i 5 Requirement Al Loading Comment The system can sustain and transmit wind loads to the substrate as set out in sections 4 4 4 5 4 7 and 6 2 of this Certificate Requirement B4 1 External fire spread Comment The system meets Class O requirement See sections 7 1 to 7 4 7 6 and 7 7 of this Certificate Requirement C2 b Resistance to moisture Comment The system will resist the passage of rainwater to the supporting structure See sections 11 1 to 11 5 of this Certificate Requirement C2 c Resistance to moisture Comment The system contributes to minimising the risk of surface and interstitial condensation See sections 10 1 to 10 2 of this Certiticate Requirement L1 a i Conservation of fuel and power Comment The system can contribute to meeting this Requirement See sections 9 1 to 9 4 of this Certificate Regulation 7 Materials and workmanship Comment The system is acceptable see section 13 and the Installation part of this Certificate Requirement 26 CO emiss
3. 2009 Gypsum boards with fibrous reinforcement Definitions requirements and test methods Gypsum boards with mat reintorcement BS EN ISO 6946 2007 Building components and building elements Thermal resistance and thermal transmittance Calculation method BS EN ISO 9001 2008 Quality management systems Requirements BS EN ISO 11600 2003 Al 2011 Building construction Jointing products Classification and requirements for sealants DD CEN TS 772 22 2006 Methods of test for masonry units Determination of freeze thaw resistance of clay masonry units ETAG 004 2013 Guidelines for European Technical Approval of External thermal insulation composite systems ETICS with rendering Conditions of Certification 18 Conditions 18 1 This Certificate e relates only to the product system that is named and described on the front page e is issued only to the company firm organisation or person named on the front page no other company firm organisation or person may hold or claim that this Certiticate has been issued to them e is valid only within the UK e has to be read considered and used as a whole document it may be misleading and will be incomplete to be selective e is copyright of the BBA e is subject to English Law 18 2 Publications documents specifications legislation regulations standards and the like referenced in this Certificate are those that were current and or deemed rele
4. 4 5 New buildings subject to national Building Regulations should be constructed in accordance with the relevant recommendations of e BSEN 1996 1 1 2005 A 2012 BSEN 1996 1 2 2005 BS EN 1996 2 2006 and BS EN 1996 3 2006 2 Ss GOs ZO AS Existing buildings subject to national Building Regulations should have wall surtaces in accordance with 4 6 Other buildings not subject to any of the previous requirements should also be built in accordance with requirements given in section 4 5 f 4 7 The wall and support frame to which the cladding is to be fixed should be structurally sound and constructed in accordance with the requirements of the relevant national Building Regulations and national standards e timber stud walls and timber battens must be structurally sound designed and constructed in accordance with BS EN 1995 1 1 2004 Al 2008 and preservative treated in accordance with BS EN 351 1 2007 e galvanized steel framework must be structurally sound designed and constructed in accordance with 3S EN 1909 5 20S eine BS IEN JO9G 1 3 Zoe e new masonry buildings subject to national Building Regulations should be constructed in accordance with the relevant recommendations of BS EN 1996 1 1 2005 Al 2012 BS EN 1996 1 2 2005 BS EN 19962 2006 and BS EN 1996 3 2006 Page 5 of 15 Figure 2 Typical X Clad External Cladding System insulated backerboard panel backerboard panel fasten
5. following is a summary of the assessment and technical investigations carried out on the X Clad External Cladding System 4 General 4 1 The X Clad External Cladding System is suitable for use as a non structural weather resistant thermally insulating external wall fa ade panel system to provide a protective and decorative cladding finish for new or refurbished buildings less than 18 m in storey height of solid and cavity masonry dense or nofines concrete timbertrame or lightgauge steeltrame construction with or without a cavity behind the system see Figure 2 The system is restricted to sheltered areas on timber steel frame walls and moderate areas on masonry walls where used without a cavity behind the system see section 10 2 4 2 The system can be used above and below the damp proof course see Figure 5 However when used below the dpc suitable brick slips and mortars must be specified in accordance with the Certificate holder s advice to resist the higher moisture levels 4 3 The system will improve the weather resistance and reduce thermal transmission of a wall and provide a decorative finish However it may only be installed where other routes for moisture penetration have been dealt with separately and where dampness other than that caused solely by condensation is not evident on the inner surface of the wall The system can contribute to minimising condensation on internal wall surtaces 55 section 4 7 of this Certificate
6. 8 Eurocode 5 Design of timber structures General Common rules and rules for buildings BS EN 1996 1 1 2005 Al 2012 Eurocode 6 Design of masonry structures General rules for reinforced and unreintorced masonry structures BS EN 1996 1 2 2005 Eurocode 6 Design of masonry structures General rules Structural fire design BS EN 1996 2 2006 Eurocode 6 Design of masonry structures Design considerations selection of materials and execution of masonry BS EN 1996 3 2006 Eurocode 6 Design of masonry structures Simplified calculation methods for unreintorced masonry structures BS EN 12086 1997 Thermal insulating products for building applications Determination of water vapour transmission properties BS EN 12152 2002 Curtain walling Air permeability Performance requirements and classification BS EN 13164 2012 Thermal insulation products for buildings Factory made products of extruded polystyrene foam XPS Specification BS EN 13501 1 2007 Al 2009 Fire classification of construction products and building elements Classification using data trom reaction to fire tests BS EN 13914 1 2005 Design preparation and application of external rendering and internal plastering External rendering Page 14 of 15 BS EN 15026 2007 Hygrothermal performance of building components and building elements Assessment of moisture transter by numerical simulation BS EN 15283 1 2008 Al
7. Eurobrick Building Systems Ltd APPROVAL Unit 7 INSPECTION Wilverley Trading Estate BBA CERTIFICATION Bath Road TECHNICAL APPROVALS FOR CONSTRUCTION Brislington a aan OZ ZII7Z F AA O 117 971 7217 eorement Certificate el ax e mail info eurobrick co uk 13 5079 website www eurobrick co uk Product Sheet 1 EUROBRICK CLADDING SYSTEMS X CLAD EXTERNAL CLADDING SYSTEM This Agr ment Certificate Product Sheet relates to the X Clad External Cladding System an insulated clay brick slip system for use as protective decorative cladding with or without a cavity over solid masonry timber and steelframe external walls in new and existing domestic and non domestic buildings 1 Hereinafter referred to as Certificate CERTIFICATION INCLUDES e factors relating to compliance with Building Regulations where applicable e factors relating to additional non regulatory information where applicable e independently verified technical specification e assessment criteria and technical investigations e design considerations e installation guidance e regular surveillance of production e formal three yearly review KEY FACTORS ASSESSED Strength and stability the system can adequately resist wind loads and impact damage see section 6 Behaviour in relation to fire the system is classified Class O or low risk surface spread of flame see section 7 Thermal properties the system contributes to th
8. See sections 10 1 and 10 2 ot this Certiticate Standard 6 1 b Carbon dioxide emission Standard eZ Building insulation envelope Comment The system will enable or contribute to enabling a wall to meet these Standards with reference to clauses 6 1 12 6 1 AM 6 1 50 6 2 12 6 2 3 6 2 AM 6 2 5012 6 2 62 and 6 2 712 See sections 9 1 to 9 4 of this Certificate Standard 7 a b Statement of sustainability Comment The system can contribute to meeting the relevant Requirements of Regulation 9 Standards 1 to 6 and therefore will contribute to a construction meeting a bronze level of sustainability as defined in this Standard In addition the system can contribute fo a construction meeting a higher level of sustainability as defined in this Standard with reference to clauses 7 1 42 Aspects 1012 and 20 7 1 6012 Aspects 12 and 210 and 7 1 7013 Aspect 1112 See section 9 1 to 9 4 of this Certificate Regulation 12 Building standards applicable to conversions Comment All comments given for this system under Regulation 9 also apply to this Regulation with reference to clause O 12 1021 such standards to be applied as defined by Schedule 6a 1 Technical Handbook Domestic 2 Technical Handbook Non Domestic Page 2 of 15 5 fA The Building Regulations Northern Ireland 2012 Regulation 23 Fitness of materials and workmanship Comment This system is acceptable See section 13 and the Installation part of this C
9. act and is therefore suitable for use in external walls in category to category IIII2 1 These tests 450 mm stud centres were conducted in accordance with BS 8200 1985 2 The use categories are defined in ETAG O04 as e Use category a zone readily accessible at ground level to the public and vulnerable to hard body impacts but not subjected to abnormally rough use e Use category Il a zone liable to impacts from thrown or kicked objects but in public locations where the height of the system will limit the size of the impact or at lower levels where access to the building is primarily to those with some incentive to exercise care e Use category Ill a zone not likely to be damaged by normal impacts caused by people or by thrown or kicked objects 6 11 For cavity installations impact tests must be conducted to ETAG 004 or other similar current Standards to verity suitability for use 7 Behaviour in relation to fire 4 7 2 The XPS insulation material has reaction to fire classification of F in accordance with BS EN 13501 1 2007 7 3 The system is restricted for use in buildings less than 18 m in height 7 The surface spread of flame classification for the system is Class O or low risk as defined in the Building Regulations 7 4 For houses in Scotland and for all buildings in England and Wales and Northern Ireland the system is suitable for use on or at any distance trom the boundary 1 house
10. anel is fixed to the substrate with mechanical fixings Care must be taken to ensure the fixing holes are drilled perpendicular to the surtace of the panel 16 5 At corners the panels must overlap to prevent creating a void behind the brick slips Page 10 of 15 Figure 5 Installation detail X Clad timber steel frame masonry 215 mm thick interior lining sheathing floor finish screed brick trim sealed to dpc surface dpc with adhesive oversite slab dom blinding hardcore fill concrete strip foundation masonry substrate framed wall substrate without cavity breather membrane timber steel frame cement particle board snierior finish inner sheathing e S2 S 5 floor finish screed 4 KS ras lS 25 x ox 35 0 Ox 5 av SOR gt ras gt SSS er S82 XO S ras Q 0 ras gt Q e xX 2 2 S RSC wena XI concrete oversite slab dpm to below oversite 0560500202 SKS x RAKAAAM OOO RNS binding framed wall substrate with cavity Page 11 of 15 16 6 When installing onto timbertrame substrates horizontal movement joints in accordance with BS EN 13914 1 2005 must be provided at every floor to accommodate vertical shrinkage of up to 6 mm in the timber frame and to follow movement joints in the substructure VVith steeltrame substrates the details for deflect
11. d be carried out to ensure that the ingress of water does not occur 12 2 The brick finish may become soiled over time For normal soiling the surface may be cleaned using a hot water household detergent mix applied with a suitable cleaning pad or sponge For more difficult chemical soiling the advice of the Certiticate holder should be sought 13 Durability 4 durability and service life of the cladding panels will depend upon the building location and height intended use of the building and the immediate environmental conditions to which it is exposed Providing regular maintenance is carried out as described in section 12 and in accordance with the Certificate holder s instructions the system should have an ultimate service lite of over 25 years 14 Approved installers Application of the system within the context of this Certiticate is carried out by approved installers recommended or recognised by the Certiticate holder Such an installer is a company e employing operatives who have been trained and approved by the Certificate holder to install the system e which has undertaken to comply with the Certificate holder s application procedure containing the requirement for each application team to include at least one member operative trained by the Certiticate holder e subject to at least one inspection per annum by the Certificate holder to ensure suitable site practices are being employed This may include unannounced site insp
12. dhesive Korapur 126 is a one part polyurethane construction adhesive specified in accordance with BS 6213 2000 Al 2010 and used to attach the brick slips to the panel pointing grout mortar joints between brick slips are tilled with proprietary cementitious mortar mix Joints below damp proof course level may require a higher strength mortar to protect against potential degradation from frost attack Mortar mixes must be selected in accordance with class 12 6 or 4 BS EN 998 2 2010 Page 3 of 15 Figure 1 X Clad External Cladding System polystyrene HIPS carrier sheet 9 5 mm mortar joint profile 65 5 mm width brick slip carrier sheet To clay brick slip mortar joint _ e 1 2 Ancillary components for use with the system but outside the scope of the Certificate include Backerboard panel fasteners steel fixings suitable for the substrate incorporating a 45 mm diameter plastic nylon retaining washer used to attach the panel Base angle polymer coated aluminium base angle with size chosen to suite thickness of panel used This is supplied in 2500 mm lengths for cutting on site to provide a fixed datum for setting out panels Urethane based sealant for use around openings and penetrations in accordance with BS EN ISO 11600 2003 Al 2011 and BS 6213 2000 A1 2010 Breather membrane for use on the external side of tramed substrate applications Damp pr
13. duct system including its manufacture supply installation use maintenance and removal e any claims by the manufacturer relating to CE marking 18 6 Any intormation relating to the manutacture supply installation use maintenance and removal of this product system which is contained or referred to in this Certificate is the minimum required to be met when the product system is manufactured supplied installed used maintained and removed It does not purport in any way to restate the requirements of the Health and Satety at Work etc Act 1974 or of any other statutory common law or other duty which may exist at the date of issue or reissue of this Certificate nor is conformity with such information to be taken as satistying the requirements of the 1974 Act or of any statutory common law or other duty of care British Board of Agr ment tel 01923 665300 Bucknalls Lane tax 019235605201 Watford email mail bba star co uk Herts VVD25 RA website www bbacerts co uk Page 15 of 15
14. ducts BS 476 7 1997 Fire tests on building materials and structures Method of test to determine the classification of the surface spread of flame of products BS 5250 2011 Code of practice for control of condensation in buildings BS 6213 2000 Al 2010 Selection of construction sealants Guide BS 8000 3 2001 Workmanship on building sites Code of practice for masonry BS 8104 1992 Code of practice for assessing exposure of walls to wind driven rain BS 8200 1985 Code of practice for design of non loadbearing external vertical enclosures of buildings BS EN 351 1 2007 Durability of wood and wood based products Preservative treated solid wood Classitication of preservative penetration and retention BS EN 771 1 2011 Specification for masonry units Clay masonry units BS EN 826 2013 Thermal insulating products for building applications Determination of compression behaviour BS EN 998 2 2010 Specification for mortar for masonry Masonry mortar BS EN 1990 2002 Eurocode Basis of structural design BS EN 1991 1 4 2005 Al 2010 Eurocode l Actions on structures General actions Wind actions BS EN 1993 1 1 2005 Eurocode 3 Design of steel structures General rules and rules for buildings BS EN 1993 1 3 2006 UK National Annex to Eurocode 3 Design of steel structures General rules Supplementary rules for cold tormed members and sheeting BS EN 1995 1 1 2004 Al 200
15. e overall thermal performance of the wall construction see section 9 Condensation risk the system can contribute to limiting the risk of interstitial and surface condensation see section 10 Weathertightness the system resists water penetration and the risk of damage to the inner wall see section 1 Durability with appropriate maintenance the system will remain effective for at least 25 years see section 1 3 The BBA has awarded this Certificate to the company named above for the system described herein This system has been assessed by the BBA as being fit for its intended use provided it is installed used and maintained as set out in this Certificate On behalf of the British Board of Agr ment l CP SL Le B a IO 1S ee Date of First issue 6 January 2014 Brian Chamberlain Claire Curtis Thomas Head of Approvals Engineering Chief Executive The BBA is a UKAS accredited certification body Number 113 The schedule of the current scope of accreditation for product certification is available in pdf format via the UKAS link on the BBA website at www bbacerts co uk Readers are advised to check the validity and latest issue number of this Agr ment Certificate by either referring to the BBA website or contacting the BBA direct British Board of Agr ment tel 01923 665300 Bucknalls Lane tax 01923 665301 Watford email mail bba star co uk Herts VVD25 RA website www bbacerts co uk Page 1 of 15 Regulations
16. e reduced to 150 mm centres Figure 3 Typical fixing layout maximum 400 mm E e e 300 mm every four courses 6 7 When installed in accordance with the requirements of this Certificate and the Certificate holder s instructions systems incorporating the panels will withstand without damage or permanent deformation wind pressure or suction not exceeding 2 kKN m 6 8 The studs and support rails the supporting framework should be designed to limit the deflection to the lesser of 1 350 of its soan or 15 mm 6 9 The designer must ensure the following e the substrate wall has adequate strength to resist additional loads that may be applied as a result of installing the system ignoring any contribution trom the cladding system itself e the proposed system and associated fixings see section 1 2 and fixing pattern see section 6 6 provide adequate resistance to negative wind loads e the design pullout values based on site tests provides adequate pull out capacity of the fixings not covered by this Certificate The maximum allowable pull out value of the fixing to be used for securing the panel to the structural substrate should be determined by tests using a minimum satety factor of 3 on the characteristic failure load or by a method agreed by the engineer responsible Page 7 of 15 Impact resistance 6 10 When tested for hard body and soft body impact without a cavity the system achieved adequate resistance to imp
17. e system resists the passage of moisture trom the ground and from weather Any water collecting in the cavity due to rain or condensation will be drained through openings at the base of each closed section of cavity Page 9 of 15 11 2 The brick slips are classified as being F2 for resistance to freeze thaw in accordance with DD CEN TS 772 22 2006 and therefore is suitable for conditions of severe exposure 11 3 For the cavity installation on timbertrame and steeltrame constructions the cavity should be at least 15 mm wide The cavity must be drained and vented incorporating perpend weep vents at 1 5 m centres as defined in BS EN ISO 6946 2007 Ventilation and drainage openings should be suitably protected or battled to prevent the ingress of birds vermin and rain 11 4 At the top of walls the system should be protected by an adequate overhang or other detail designed for use with this type of system see sections 16 1 2 11 5 Designers and installers should take particular care in detailing around openings penetrations and movement joints to minimise the risk of rain ingress 12 Maintenance Necessary repairs must be effected immediately Annual inspections should be carried out to ensure the condition of sealants is satistactory Sealant should be reapplied where necessary Damaged brick slips should be replaced in accordance with Certificate holder s installation instructions A 12 1 Regular maintenance inspections shoul
18. ections 15 General 15 1 The X Clad External Cladding System must be installed in accordance with the Certificate holder s recommendations the requirements of this Certificate and the specification laid down by the consulting engineer 15 2 A dpc must be provided through the thickness of the system In new constructions the dpc in the substrate should be carried through the system In existing buildings an appropriate doc must be fitted in line with the existing dpc 15 3 When fixed to a framed substrate a suitable breather vapour permeable membrane must be applied to the sheathing board 15 4 The panels can be handled on site and can be cut or trimmed using a sharp knife or fine toothed saw Reasonable precautions must be taken to ensure panels are not damaged during and subsequent to installation Protective glasses and masks must be worn when cutting the panels 16 Procedure 16 1 Typical installation of the systems on timber frame and blockwork are given in Figure 5 16 2 Before installation commences the substrate to receive the panels must be flat and stable Typically installation starts from the outside corner working along the wall A base channel is set at the appropriate height and fastened to the wall to provide a protective edge for the panels 16 3 The panel with preformed brick slip carrier sheet is aligned with a spirit level against the substrate and fixing positions are marked see section 6 6 and Figure 3 16 4 The p
19. en frame subframe and edge of brick facing fo reveal cill sealant to underside of all sections N framed wall substrate with cavity 16 12 At the top of walls the system must be protected by an adequate overhang or by an adequately sealed purpose made flashing 16 13 Care must be taken in the detailing the system around openings and projections to ensure adequate protection against water ingress and to limit the risk of water penetrating the system 16 14 All movement joints are sealed using urethane sealant atter brick application Page 13 of 15 17 Investigations 17 1 The manufacturing process the methods adopted for quality control of manufactured and boughtin components and details of the quality and composition of the materials used were examined 17 2 An investigation was made of the systems data relating to e strength and stability e reaction to fire e resistance to weathering e freeze thaw resistance e thermal properties e resistance to condensation e durability Bibliography BRE Digest 369 Interstitial condensation and fabric degradation BRE Report 135 2003 Fire Performance of External Insulation for Walls of Multi storey Buildings BRE Report 262 2002 Thermal insulation avoiding risks BRE Report 443 2006 Conventions for U value calculations BS 476 6 1989 Al 2009 Fire tests on building materials and structures Method of test for fire propagation for pro
20. er clay brick slip pointing mortar 4O mm x 25 mm timber battens sheathing cement particle board sheathing NO GO BK WN a masonry substrate b timber frame substrate with cavity c timber frame substrate without cavity 4 8 The system transfers its sel weight and design wind loads to the substrate wall The substrate and any supporting framework should be capable of resisting the associated loads Particular care is required around window and door openings to ensure that the structure is capable of sustaining the additional weight of the system 4 9 The system does not make any contribution to the overall structural performance of the building and must not be used for the support of any temporary structure 4 10 In very severe exposure conditions application of a high performance breather membrane should be considered 4 11 The system must only be used in locations where the surface temperature will not exceed 65 C 4 12 All externally exposed perimeters and penetrations of the panel must be sealed 4 13 The fixing of rainwater goods satellite dishes clothes lines hanging baskets and similar items is outside the scope of this Certiticate Page 6 of 15 5 Practicability of installation The system should only be installed by installers who have been trained and approved by the Certiticate holder Note The BBA operates a UKAS Accredited Approved Installer Scheme for external wall insulation detai
21. ernal timber framed walls Chapter 6 9 Curtain walling and cladding and Chapter 6 10 Light steel framed walls and floors Technical Specification 1 Description 1 1 The X Clad External Cladding System see Figure 1 comprises e insulated backerboard panels 1200 mm wide by 2400 mm high composite panels consisting of a high impact high gloss white polystyrene HIPS profiled brick slip carrier sheet bonded toa 17 5 mm 25 mm or 50 mm thick extruded polystyrene XPS insulation board with a two part polyurethane adhesive The XPS insulation is manufactured in accordance with BS EN 13164 2012 and with the properties shown in Table 1 The brick slip carrier sheet provides a horizontal joint spacing track for brick slips with track dimensions of 65 5 mm high with a 9 5 mm raised mortar joint protile as standard Table 1 Backerboard properties Performance characteristic Value Density kg m 20 34 Insulation compressive strength at 10 compression to BS EN 826 kPa 200 declared value e clay brick slip fired clay brick slips of nominal size 215 mm length 65 mm height and 15 mm thickness and available in a range of colours The brick slips are either extruded Britannia range or cut Classic range from masonry units CE marked in accordance to EN 771 1 2011 as suitable for use in severe exposure conditions designation F2 In addition L shaped bricks 215 mm by 65 mm by 102 mm are available for external corners e brick slip a
22. ertificate Regulation 28 Resistance to moisture and weather Comment The system will contribute to meeting this Regulation See sections 11 1 to 11 5 of this Certificate Regulation 29 Condensation Comment The system will satisfy the requirements of this Regulation See sections 10 1 and 10 2 of this Certificate Regulation 30 Stability Comment The system is acceptable as set out in sections 4 4 4 5 4 7 and 6 2 of this Certificate Regulation 36 External fire spread Comment The system is judged to meet this requirement See sections 7 1 to 7 4 7 6 and 7 7 of this Certificate Regulation 39 a i Conservation measures 40 2 Target carbon dioxide Emissions Rate Comment The system will contribute to a building satisfying its target emission rate See section 9 1 to 9 4 of this Certificate Construction Design and Management Regulations 2007 Construction Design and Management Regulations Northern Ireland 2007 Information in this Certificate may assist the client CDM co ordinator designer and contractors to address their obligations under these Regulations See section 3 Delivery and site handling 3 1 and 15 Installation 15 4 of this Certificate Additional Information NHBC Standards 2014 NHBC accepts the use of the X Clad External Cladding System when installed with a minimum cavity width of 15 mm see Figure 2b when installed and used in accordance with this Certificate in relation to NHBC Standards Chapter 6 2 Ext
23. fixing per square metre having the diameters shown above f 9 3 The systems can contribute to maintaining continuity of thermal insulation at junctions between elements and 55 openings For Accredited Construction Details the corresponding psi values in BRE Information Paper IP 1 06 Table 3 may be used in carbon emission calculations in Scotland and Northern Ireland Detailed guidance for other junctions and on limiting heat loss by air infiltration can be found in England and Wales Approved Documents to Part L and for new thermal elements to existing buildings Accredited Construction Details version 1 0 for new build see also SAP 2009 Appendix K and the iSBEM User Manual Scotland Accredited Construction Details Scotland Northern Ireland Accredited Construction Details version 1 0 9 4 In conjunction with a substrate wall providing the required airtightness the panels can contribute to the requirement for limiting heat loss through the building fabric and achieving the Target Emission Rate 10 Condensation risk 10 1 Designers must ensure that an appropriate condensation risk analysis has been carried out for all parts of 53 A construction including openings and penetrations at junctions between the insulation system to minimise the risk of condensation The recommendations of the BS 5250 2011 should be followed including requirements for vapour control layers and breather membranes in timber frame co
24. ion at floor level and movement joints in the substructure set out by the suitably qualitied experienced individual eg structural engineer should be applied 16 7 Vertical movement joints must be provided at a maximum of 7 metre intervals in accordance with the Certificate holder s recommendations The actual spacing and position of the joints should coincide with movement joints in the structure and allow for the same degree of movement see Figure 6 Figure 6 Typical movement joints sealant on joint filler rod sealant on joint filler rod construction expansion joint construction vA expansion joint section view horizontal joint plan view vertical joint masonry substrate sealant on joint filler rod N sealant on joint filler rod IZLE construction expansion joint construction expansion joint section view horizontal joint plan view vertical joint frame without cavity sealant on joint filler rod sealant on joint filler rod construction expansion joint construction expansion joint section view horizontal joint plan view vertical joint frame with cavity 16 8 The brick slio adhesive is applied between the ribs of the carrier sheet in accordance with the Certificate holder s instructions Care must be taken fo ensure an appropriate amount of adhesive is used to hold the brick s
25. ion rates for new buildings Comment Walls can contribute to meeting the Target Emission Rate See sections 9 1 to 9 4 of this Certiticate gz The Building Scotland Regulations 2004 as amended 5 Regulation 8 1 2 Fitness and durability of materials and workmanship Comment The use of the system satisfies the requirements of this Regulation See sections 12 1 12 2 13 and the Installation part of this Certificate Regulation 9 Building standards applicable to construction Standard INS Structure Comment The system can sustain and transmit wind loads to the substrate See sections 4 4 4 5 4 7 and 6 2 of this Certificate Standard 2 6 Spread to neighbouring buildings Comment The system can contribute to satisfying this Standard with reference to clauses 2 6 1012 2 6 2012 2 6 Allll2 2 6 5 and 2 6 6 2 See sections 7 1 7 2 7 4 7 5 and 7 6 of this Certificate Standard 27 Spread to external walls Comment The system can contribute to satisfying this Standard with reference to clause 2 7 1012 See sections 7 to 7 7 of this Certiticate Standard sell Precipitation Comment The system will contribute to meeting this Standard with reference to clauses 3 10 1 to 3 10 3012 and 3 10 5 2 See sections 11 1 to 11 5 of this Certiticate Standard SAE Condensation Comment The system can satisfy or contribute to satisfying this Standard with reference to clauses 3 15 10 3 15 20 3 15 4 and 3 15 5
26. lips to the panel 16 9 The clay brick slips are placed on horizontal bed joint ribs of the panel carrier sheet The ribs are at 75 mm centres and the brick slips sit directly on top of the flat face and must be pressed firmly against the carrier see Figure 1 Alignment should be checked as work proceeds Page 12 of 15 16 10 Joints are tilled with the pointing grout mortar Pointing should not take place at temperatures below 2 C and above 30 C When pointing is completed the mortar joints are tooled to the type of joint recommended by the Certificate holder and excess mortar removed with a soft brush 16 11 To ensure weathertightness all window and door openings must be sealed strictly in accordance with the Certificate holder s installation instructions see Figure 7 Figure Z Typical window reveal y SZA OOO SSRI Hees A sheathing lintel over S i H pening Zi og frame head or subframe fixed to timber wall sealant between frame subframe and edge of brick facing to reveal window g L window cill cill sealant to sealant pointing to 55 ee R pdestdea ES underside of cill section BSS se ee cill section I Bo BS wee Be ox masonry substrate framed wall substrate without cavity cavity cement particle board outer sheathing inner sheathing breather membrane frame head or subframe fixed to timber wall L window sealant betwe
27. ls of installer companies approved are included on the BBA s website www bbacerts co uk 6 Strength and stability 6 1 A suitably qualified and experienced individual must check the design and installation of the cladding system to provide adequate resistance to design loads applicable in the UK Design wind actions should be calculated in accordance with BS EN 1991 1 4 2005 Al 2010 and 71 d the UK National Annex Due consideration should be given to the higher pressure coefficients applicable to corners of the building as recommended in this standard 6 3 The substrate wall must be able to take the full wind as well as any racking loads on its own No contribution trom the cladding system may be assumed in this regard 6 4 Positive wind load pressure is transterred to the substrate wall directly via bearings and compression of the brick slios and panel 6 5 Negative wind pressure suction is resisted by the bond between each component The panel is retained by fixings 6 6 The structural adequacy of the fixings used to attach the panel to the substrate wall including their pull out strength will depend on the type and condition of the individual substrate wall and must therefore be designed and selected on a project specitic basis The maximum spacing between these tixings should not exceed 400 mm and 300 mm horizontally and vertically respectively as shown in Figure 3 Spacing of tixings around edges at openings should b
28. means a dwelling on one or more storeys either detached or forming part of a building trom all other parts of which it is divided on vertically fe 7 5 For flats and maisonettes and non domestic buildings in Scotland the system is suitable only for use more zp than 1 m from the boundary 53 amp dependant on the fire resistance characteristics of the wall 7 7 For application to second storey walls and above it is recommended that the designer includes at least one stainless steel fixing per square metre and fire barriers in line with compartment walls and floors as advised in BRE Report 135 2013 see Figure 4 AG The system is not classified as non combustible therefore calculations for unprotected areas may apply Figure 4 Cavity Fire barriers X Clad sheathing KORO RIIS ODESSA LS PP SKOS QRS 2S QOS Q Xs Q interior lining S oes oe LYS lt x R So Ce y gt XX ISS RRRS X gt wx wn Q XXX S X a lt gt lt K 100 mm wide firestop cement particle board with semi rigid rockwool fire board OX XXXS RRRS lt x RSKS intumescant cavity filling SAAE ENEN LEISS SISS QOL POPPI xX SS Q LLL Io an KX breather membrane SN SKY oe LOOK coe IS LLL ee 8 Proximity of flues and appliances When the system is installed in close proximity to certain flue pipes the relevan
29. nstruction applications 10 2 For installation without a cavity the system is limited to sheltered areas wind driven rain less than 33 F m per spell when used in conjunction with timber or steel tramed substrate walls and limited to moderate areas wind driven rain less than 56 5 F m per spell when used in masonry walls A map detailing the UK zones for exposure to driving raining can be found in Approved Document C The wind driven rain index can be more accurately calculated trom the large scale maps and correction factors given in BS 8104 1992 10 3 It is essential that walls incorporating the product are rain resistant and show no sign of water ingress Careful attention has to be paid to joints and junctions in and between components and elements 10 4 Dynamic simulations to BS EN 15026 2007 indicate that the product is acceptable when installed creating a rain resistant wall The simulations were done for a particular location orientation and vapour resistance of the masonry substrate The suitability of other constructions parameters may be assessed by using an appropriate dynamic modelling package 10 5 The risk of interstitial condensation in the external walling is greatest when the building is drying out after construction Guidance on preventing condensation is given in BRE Digest 369 and BRE Report 262 2002 10 6 The water vapour resistance factors p for XPS is 183 58 MN s g t 11 Weathertightness 4 11 1 Th
30. oof courses Timber battens 40 mm by 25 mm battens used at maximum of 400 mm centres to support sheathing in cavity applications Sheathing cement particle board used on the external side and timber or cement particle board used on internal side of cavity applications 2 Manufacture 2 1 The extruded polystyrene insulation component of the panel is manufactured to comply with BS EN 13164 2012 The high impact polystyrene profiled carrier sheet component is vacuum formed Panels are produced by factory bonding the XPS insulation to the profiled carrier sheet using a two part spray polyurethane adhesive Fastening washers trom nylon material are injection moulded 2 2 Clay brick slips are either extruded or cut slips to specified dimensions 2 3 As part of the assessment and ongoing surveillance of product quality the BBA has e agreed with the Certificate holder manutacturer the quality control procedures and product testing to be undertaken e assessed and agreed the quality control operated over batches of incoming materials e monitored the production process and verified that it is in accordance with the documented process e evaluated the process for management of non conformities e checked that equipment has been properly tested and calibrated e undertaken to carry out the above measures on a regular basis as part of a surveillance process to ensure that standards are maintained and that the product or system remains as Certificated
31. t provisions of the national Building Regulations should be met Page 8 of 15 England and Wales Approved Document J Scotland Mandatory Standard 3 19 clause 3 19 4012 Northern Ireland Technical Booklet L 1 Technical Handbook Domestic 2 Technical Handbook Non Domestic 9 Thermal properties 4 9 2 The U value of a completed wall will depend on the selected insulation thickness the number type and method ot fixings the insulating value of the substrate wall and its internal finish The thermal resistance of the system is primarily dependent upon the extruded polystyrene foam insulation element as indicated in Table 1 Extra insulation is required to achieve the level of thermal performance required by the Regulations 9 1 The system provides additional thermal resistance to an external wall Calculations of thermal transmittance U value should be carried out in accordance with BS EN ISO 6946 2007 and BRE Report 443 2006 using the insulation thermal conductivity A value of 0 033 W mr K for extruded polystyrene foam insulation Table 1 Contribution of thermal performance of X Clad External Cladding System Component thickness Thermal resistance Fixing diameter m2 K W 1 mm polystyrene 17 5 mm 0 530 cre polystyrene 25 mm 0 757 4 2 polystyrene 50 mm lols 5 0 brick slip 15 mm 0 019 1 For the purpose of U value calculations allowance must be made for 12 nylon and 1 stainless steel
32. vant by the BBA at the date of issue or reissue of this Certiticate 18 3 This Certificate will remain valid for an unlimited period provided that the product system and its manufacture and or tabrication including all related and relevant parts and processes thereof e are maintained at or above the levels which have been assessed and found to be satisfactory by the BBA e continue to be checked as and when deemed appropriate by the BBA under arrangements that it will determine e are reviewed by the BBA as and when it considers appropriate 18 4 The BBA has used due skill care and diligence in preparing this Certiticate but no warranty is provided 18 5 In issuing this Certificate the BBA is not responsible and is excluded trom any liability to any company firm organisation or person for any matters arising directly or indirectly from e the presence or absence of any patent intellectual property or similar rights subsisting in the product system or any other product system e the right of the Certificate holder to manufacture supply install maintain or market the product system e actual installations of the product system including their nature design methods performance workmanship and maintenance e any works and constructions in which the product system is installed including their nature design methods performance workmanship and maintenance e any loss or damage including personal injury howsoever caused by the pro
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