Framed Wall BBA Certificate
Contents
1. 4 General 4 1 Eurothane GP Timber Frame Board is effective in reducing the U value thermal transmittance of external walls of timberframe dwellings It is essential that such walls are designed and constructed to incorporate the normal precautions against moisture ingress including a breather membrane over the timber sheathing 4 2 New buildings subject to the national Building Regulations should be designed in accordance with the relevant recommendations of BS EN 1995 1 1 2004 BS 5589 1989 and BS EN 351 1 1996 4 3 Constructions incorporating a masonry outer leaf includes masonry units and natural stone blocks should be in accordance with BS EN 1996 1 1 2005 and BS EN 1996 2 2006 The designed residual cavity width should be 50 mm 4 4 lt is recommended that services which penetrate the dry lining eg light switches power outlets are kept to a minimum to limit damage to vapour checks In addition any penetrations should be either enclosed in plasterboard or stone mineral wool or a suitably tested proprietary fire rated system in order to preserve the fire resistance of the wall 4 4 5 Installation must not be carried out until the moisture content of the timber frame is less than 20 4 6 Eurothane GP Timber Frame Board when used as insulated sheathing will not contribute to the structural performance of the timber frame 4 7 nstallation of plasterboard must be in accordance with the relevant sections of B2. BA website www bbacerts co uk Page 1 of 9 Regulations In the opinion of the BBA Eurothane GP Timber Frame Board if installed used and maintained in accordance with 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 3 The Building Regulations 2010 England and Wales 5 Requirement B3 1 Internal fire spread structure Comment Walls incorporating the product can meet this Requirement See sections 8 1 and 8 2 of this Certificate Requirement C2 c Resistance to moisture Comment The product can contribute to satisfying this Requirement See sections 7 1 and 7 4 of this Certificate Requirement L1 a i Conservation of fuel and power Comment The product is acceptable See sections 6 1 and 6 2 of this Certificate Requirement Regulation 7 Materials and workmanship Comment The product is acceptable See section 14 and the Installation part of this Certificate 5 t The Building Scotland Regulations 2004 as amended Regulation 8 1 Fitness and durability of materials and workmanship Comment The product can contribute to a construction meeting this Regulation See section 14 and the Installation part of this Certificate Regulation 9 Building standards construction Standard 26 Spread to neighbou
3. 1 Technical Handbook Domestic 2 Technical Handbook Non Domestic 2 The Building Regulations Northern Ireland 2000 as amended Regulation B2 Fitness of materials and workmanship Comment The product is acceptable See section 14 and the Installation part of this Certificate Regulation C5 Condensation Comment Walls incorporating the product can satisfy this Regulation See section 7 1 of this Certificate Regulation E4 1 Internal fire spread Structure Comment Walls incorporating the product can satisfy this Regulation See sections 8 1 and 8 2 of this Certificate Regulation F2 a i Conservation measures Regulation F3 2 Target carbon dioxide Emission Rate Comment The product is acceptable See sections 6 1 and 6 2 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 3 of this Certificate Page 2 of 9 Additional Information NHBC Standards 2011 NHBC accepts the use of Eurothane GP Timber Frame Board provided it is installed used and maintained in accordance with this Certificate in relation to NHBC Standards Chapter 6 2 External timber framed walls CE marking The Certific
4. 14 The boards are closely butted and joints are staggered 5 15 The outer face of the boards must not be taped 5 16 Helical stainless steel wall ties are then driven through the insulation into the timber studs ensuring that they slope down toward the outer leaf 5 17 Internal finishes are applied as normal see section 15 5 Page 7 of 9 16 Tests Tests were carried out on Eurothane GP Timber Frame Board by the BBA in accordance with BS EN 13165 2008 to determine e dimensional stability e compressive strength e thermal conductivity e compressive creep 17 Investigations 17 1 The manufacturing process was examined including the methods adopted for quality control and details were obtained of the quality and composition of the materials used 17 2 An assessment was made of the results of test data to BS EN 13165 2008 in relation to e dimensions e density e value 17 3 An assessment of the risk of interstitial condensation was made 17 4 An assessment was made of typical constructions which achieve the design U values Bibliography BS 476 21 1987 Fire tests on building materials and structures Methods for determination of the fire resistance of loadbearing elements of construction BS 5250 2011 Code of practice for control of condensation in buildings BS 5589 1989 Code of practice for preservation of timber BS 7671 2008 Requirements for electrical installations IEE Wiring Regulations Sevente
5. centres The battens are secured through the insulation to each stud at maximum 300 mm centres using screws long enough to penetrate the timber studs by at least 25 mm System 4 Over studs as insulated sheathing e outer brick leat e nominal 50 mm air cavity e 30 mm to 200 mm thick Eurothane GP Timber Frame Board against a breather membrane sheathing board e breather membrane e sheathing board OSB or similar at least 9 mm thick e no insulation between the studs O VEL e 12 5 mm gypsum plasterboard 8 3 The product is classified as combustible 8 4 Cavity barriers must be provided to comply with England and Wales Approved Document B Volume 1 Section 6 and Volume 2 Section 9 Scotland Mandatory Standard 2 4 clauses 2 4 1021 2 4 2023 2 4 70 and 2 4 9121 1 Technical Handbook Domestic 2 Technical Handbook Non Domestic Northern Ireland Technical Booklet E paragraphs 3 35 to 3 38 9 Proximity of flues and appliances When installing the product in close proximity to certain flue pipes and or heatproducing appliances the following provisions to the national Building Regulations are applicable England and Wales Approved Document J sections 1 to 4 Scotland Mandatory Standard 3 19 clauses 3 19 1012 to 3 19 9012 1 Technical Handbook Domestic 2 Technical Handbook Non Domestic Northern Ireland Technical Booklet L sections 1 to 4 10 Weathertightness 10 1 Con
6. to 30 minutes is requ of BS 476 21 1987 for fire exposure from the insi 10 kN load per stud A suitably qualified structural engineer m exceed the stress applied to the tested st g capacity integrity and insula tal imposed load of 60 kN at the stress applied leaf compr ust be at rm cross noggins at maximum 1200 mm centres The n are suitable for applications where a tion criteria to the studs in practice must not ises of gypsum plasterboard at least 12 5 m Gypsum or Knauf Drywall The plaster rom the noggins in the adjacent pair of studs plasterboard see also section 4 4 8 2 The four systems are System 1 Eurothane GP Timber Frame Board between studs only outer brick leaf nominal 50 mm air cavity breather membrane sheathing board OSB or similar at least 9 mm thick 30 mm to 200 mm thick Eurothane GP Timber Frame Board between the studs retained using timber battens nominal 35 mm by 25 mm secured to the sides of the studs vapour control layer VCL 12 5 mm gypsum plasterboard board must be secured i m thick m least 140 mm deep by 45 mm wide located at maximum 600 m oggins between each pair o anufactured in the United Kin n accordan icate Additional guidance can 8 1 A fireresistance test was carried out in accordance with BS 476 21 1987 on a load bearing timber stud re resistance of four systems constructions described in section ighted the following
7. F lt Recticel Insulation Products a division of Recticel Ltd BA ree TESTING Enterprise Way CERTIFICATION Meir Park TECHNICAL APPROVALS FOR CONSTRUCTION Stoke on Trent Staffordshire ST3 ZUN Agr ment Certificate Tel 01782 590470 Fax 01782 590497 email technicalservices recticel com 02 3905 website www recticelinsulation co uk Product Sheet 3 EUROTHANE GP EUROTHANE GP TIMBER FRAME BOARD This Agr ment Certificate Product Sheet relates to Eurothane GP Timber Frame Board rigid polyisocyanurate foam board with a composite foil facing on both sides for use between studding or as an insulated lining or as an insulated sheathing over new or existing walls of conventional timberframe dwellings or similar buildings with a masonry outer leaf 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 independently veritied technical specification assessment criteria and technical investigations design considerations installation guidance regular surveillance of production formal three yearly review KEY FACTORS ASSESSED Thermal performance the product has a declared thermal conductivity X Spee value of 0 022 W mr K see section 6 Condensation the insulation core has a water vapour resistivity of
8. S 8212 1995 5 Practicability of installation The product is designed to be installed by a competent general builder or a contractor experienced with this type of product 6 Thermal performance 6 1 Calculations of the thermal transmittance U value should be carried out in accordance with BS EN ISO 6946 2007 and BRE Report BR 443 2006 Conventions for U value calculations using the declared thermal conductivity No0790 value of 0 022 W m K and an emissivity value of 0 2 for the foiHacer The U value of a completed wall will depend on the selected insulation thickness the insulating value of the external substrate masonry and the internal finish When considering insulation requirements designers should refer to the detailed guidance contained in the documents supporting the national Building Regulations The U values shown in Table 2 indicate that the product can contribute to a wall achieving typical design U values referred to in those supporting documents Table 2 U values Stud size Eurothane GP Timber Frame U Value mm Board between studs mm Wm K 40 60 0 35 40 75 0 30 40 85 0 28 40 90 0 27 40 100 0 25 40 115 0 23 40 130 0 22 200 150 0 19 1 Typical timberframe construction comprising 102 mm brick leaf 50 mm yp prising unventilated air cavity 13 mm sheathing board 15 timber studs 12 5 mm plasterboard and 3 mm plaster 2 Nearest available thickness 6 2 The product c
9. ading 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 relevant by the BBA at the date of issue or reissue of this Certificate 18 3 This Certificate will remain valid for an unlimited period provided that the product system and its manufacture and or fabrication 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 Certificate but no warranty is provided 18 5 In issuing this Certificate the BBA is not responsible and is excluded from 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 metho
10. an maintain or contribute to maintaining continuity of thermal insulation at junctions between elements and openings For Accredited Construction Details the corresponding psi values in BRE Information Paper IP 1 06 Assessing the effects of thermal bridging at junctions and around openings 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 See also SAP 2009 Appendix K and the iSBEM User Manual for new build Scotland Accredited Construction Details Scotland Northern Ireland Accredited Construction Details version 1 0 Page 4 of 9 7 Condensation Interstitial condensation F 4 7 2 For the purposes of assessing the risk o as approximately 300 MN s g m and a 7 3 The joints between the Eurothane GP Ti If the product is to adequate permanent ventilation to avoid possible problems from the formation of interstitial condensa 42 7 4 Walls will limit the risk of surface condensation adequately when the therm not exceed accordan Walls will limit the risk of interstiti accordance with BS 5250 2011 An interstitial condensation resistance value of 4000 mber Frame Board when s of rooms expected to h be used in the externa
11. approximately 300 MN s g m and each foil facing has a high water vapour resistance of 4000 MN s g but the risk of interstitial condensation will depend on the wall construction and should be assessed for each project see section 7 Behaviour in relation to fire a wall incorporating the product has been tested to BS 476 21 1987 see section 8 Durability the product is durable and sufficiently stable to remain effective as an insulant for the life of the building see section 14 The BBA has awarded this Certificate to the company named above for the product described herein This product 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 ore jrid TA Date of First issue 30 August 2012 Sean Moriarty Head of Approvals Greg Cooper Energy and Ventilation 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 fax 01923 665301 Garston Watford email mail bba star co uk Herts WD25
12. ate holder has taken the responsibility of CE marking the product in accordance with harmonised European Standard BS EN 13165 2008 An asterisk appearing in this Certificate indicates that data shown is given in the manufacturer s Declaration of Performance Technical Specification 1 Description 1 1 Eurothane GP Timber Frame Board is a rigid polyisocyanurate foam board with a composite foilfacing on both sides 1 2 The product is either fixed between studding or as an insulated dry lining or insulated sheathing facing the cavity 1 3 The board has the nominal characteristics as shown in Table 1 Table 1 Nominal characteristics Length mm 2400 Width mm 1200 Thickness mm 30 to 200 Minimum compressive strength at 10 compression kPa 140 Edge profile Plain 2 Manufacture 2 1 Raw materials are injected onto the lower foilfacer on a conveyor belt The exothermic reaction expands the foam which then comes into contact with the upper foil facer An automated process cures and cuts the product to the required size 2 2 As part of the assessment and ongoing surveillance of product quality the BBA has e agreed with the manufacturer 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 managemen
13. ds 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 product system including its manufacture supply installation use maintenance and removal e any claims by the manufacturer relating to CE marking 18 6 Any information relating to the manufacture 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 Safety 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 fax 01923 665301 Garston Watford email mail bba star co uk Herts WD25 BA website www bbacerts co uk Page 9 of 9
14. enth Edition BS 8212 1995 Code of practice for dry lining and partitioning using gypsum plasterboard BS EN 351 1 1996 Durability of wood and wood based products Preservativetreated solid wood Classification of preservative penetration and retention BS EN 1995 1 1 2004 Eurocode 5 Design of timber structures General Common rules and rules for buildings BS EN 1996 1 1 2005 Eurocode 6 Design of masonry structures General rules for reinforced and unreinforced masonry structures BS EN 1996 2 2006 Eurocode 6 Design of masonry structures Design considerations selection of materials and execution of masonry BS EN 13165 2008 Thermal insulation products for buildings Factory made rigid polyurethane foam PUR products Specification 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 Page 8 of 9 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 Certificate 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 misle
15. ired against the de when ust ensure uds gdom by ce with the manufacturers m centres The same studs are oors and windows should be framed out and any exposed timber covered with at least one layer of System 2 Eurothane GP Timber Frame Board between studs and over studs as insulated sheathing outer brick leaf nominal 50 mm air cavity 30 mm to 100 mm thick Eurothane GP Timber Frame Board against a breather membrane sheathing board breather membrane sheathing board OSB or similar at least 9 mm thick 30 mm to 200 mm thick Eurothane GP Timber Frame Board between the studs retained using timber battens nominal 35 mm by 25 mm secured to the sides of the studs VCL e 12 5 mm gypsum plasterboard Page 5 of 9 System 3 Eurothane GP Timber Frame Board between studs and over studs as insulated dry lining e outer brick leaf e nominal 50 mm air cavity e breather membrane e sheathing board OSB or similar at least 9 mm thick e 30 mm to 200 mm thick Eurothane GP Timber Frame Board between the studs retained using timber battens nominal 35 mm by 25 mm secured to the sides of the studs e maximum 25 mm thick Eurothane GP Timber Frame Board against the internal face of timber studs e VCL optional Taping the insulation board joints with a foil tape to create a VCL e 12 5 mm gypsum plasterboard secured to vertical timber battens 50 mm wide by 25 mm thick using 38 mm screws at maximum 300 mm
16. l wal the insulation core vapour resist MN s g for each individual foil used as insulated sheathing m ave high humidity care must be 0 7 W m K at any point and the junctions with ce with Limiting thermal bridging and air leakage Robust construction buildings TSO 2002 BRE Information Paper IP 1 06 or section 6 2 of this Certificate loors roofs and al condensation adequately when they are designed and constructed in nexes D and G and the relevant guidance A VCL must be used ivity may be taken facing ust not be taped taken to provide tion in the wall al transmittance U value does openings are designed in details for dwellings and similar wall does not exceed 1 2 W m 2 K at any point and openings and junctions with other elements comply with ave For buildings in Scotland constructions will be acceptable where the thermal transmittance U value of the the guidance given in Annex G of BS 5250 2011 or section 6 2 of this Certi be found in BRE Report BR 262 2002 Thermal insulation avoiding risks 8 Behaviour in relation to fire a We system e all four systems oadbearin subject to a to th the interna Lafarge British instructions timber studs m sections are used to fo staggered by 60 mm openings for d An assessment considered the likely fi 8 2 as if they had been tested to 476 21 1987 The main points of the assessment high ire resistance of up
17. ring buildings Comment Walls incorporating the product can satisfy this Standard with reference to clause 2 6 1021 See sections 8 1 and 8 2 of this Certificate Standard Cals Condensation Comment The product can contribute to satisfying this Standard with reference to clauses 3 15 1 2 3 15 4012 and 3 15 5 ll2 See sections 7 1 and 7 5 of this Certificate Standard 6 1 b Carbon dioxide emissions Standard 6 2 Building insulation envelope Comment The product can contribute to satisfying clauses or parts of clauses 6 1 60 6 2 1021 6 2 30 6 2 42 6 2 58 6 2 90 6 2 10 6 2 1 12 6 2 1 2121 and 6 2 1302 of these Standards See sections 6 1 and 6 2 of this Certificate Standard 7 a b Statement of sustainability Comment The product 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 product can contribute to a construction meeting a higher level of sustainability as defined in this Standard with reference to clauses 7 1 4012 Aspects 102 and 20 7 1 6 2 Aspects 12 and 20 and 7 1 7012 Aspect 1012 See section 6 1 of this Certificate Regulation 12 Building standards conversions Comment Comments made in relation to this product under Regulation 9 Standards 1 to 6 also apply to this Regulation with reference to clause 0 12 1 and Schedule 6
18. structions incorporating the products and built in accordance with sections 4 2 and 4 3 will resist the transfer of precipitation to the inner leaf and satisfy the national Building Regulations England and Wales Requirement C2 b c Scotland Mandatory Standard 3 10 clause 3 10 5012 1 Technical Handbook Domestic 2 Technical Handbook Non Domestic Northern Ireland Regulation C4 10 2 In all situations it is particularly important to ensure during installation that e wall ties and fixings are installed correctly and are thoroughly clean e excess mortar is cleaned from the cavity face of the brick leaf and any debris removed from the cavity e installation is carried out to the highest level on each wall or the top edge of the insulation is protected by a cavity tray e at lintel level a cavity tray stop ends and weepholes must be provided 11 De rating of electrical cables As with other insulation products it may be necessary in some cases to derate electrical cables buried in insulation In BS 7671 2008 it is suggested that where wiring is completely surrounded by insulation it may need to be de rated to as low as half its free air current carrying capacity Guidance should be sought from a qualified electrician Page 6 of 9 12 Infestation Use of the product does not in itself promote infestation The creation of voids within the structure may provide habitation for insects or vermin in areas alread
19. t of nonconformities e checked that equipment has been properly tested and calibrated undertaken to carry out the above measures on a regular basis through a surveillance process to verify that the specifications and quality control operated by the manufacturer are being maintained 2 3 The management system of Recticel Insulation Products has been assessed and registered as meeting the requirements of BS EN ISO 9001 2008 by Lloyd s Register Quality Assurance Certificate ANT95 1267 1 3 Delivery and site handling 3 1 The product is delivered to site shrinkwrapped in polythene packs containing a label with the product description and characteristics the manufacturer s name and the BBA identification mark incorporating the number of this Certificate 3 2 lt is essential that the product is stored such that it is raised off the ground is inside or under cover on a flat dry level surface in a well ventilated area The product must be protected from rain snow and prolonged exposure to sunlight Boards that have been allowed to get wet or that are damaged must not be used Nothing should be stored on top of boards 3 3 The product must not be exposed to a naked flame or other ignition sources The product must not be exposed to solvents or other chemicals Assessment and Technical Investigations The following is a summary of the assessment and technical investigations carried out on Eurothane GP Timber Frame Board Page 3 of 9
20. uct should be cut to fit snuggly between the timber studding 5 7 A maximum 25 mm thick Eurothane GP Timber Frame Board is temporarily fixed to the inner face of the timber studding ensuring that the insulation makes contact or over laps with ceiling and floor insulation 5 8 The line of the timber studs is marked on the product to allow fixing of vertical timber battens and plasterboard 5 9 The product is butted tightly against each other to prevent gaps Taping the joints with a durable acrylic adhesive foil tape provides an effective VCL and an air permeability barrier To achieve an adequate bond the boards should be thoroughly clean and free from any contamination 5 10 The insulation is sealed at all service penetrations 5 11 Plasterboard is fixed to vertical timber battens 50 mm wide by 25 mm thick and secured with 38 mm screws at maximum 300 mm centres and finished as normal The battens are secured through the insulation to each stud at maximum 300 mm centres using screws which penetrate the timber studs by at least 25 mm Over studs as sheathing insulation 5 12 When required mineral wool insulation or the product should be cut to fit fully between the timber studding 5 13 The Eurothane GP Timber Frame Board is fixed outside the breather membrane on the external surface and fixed with galvanised clout nails at 300 mm centres around the perimeter of the board and at 400 mm centres along any intermediate timbers 5
21. y infested Care should be taken to ensure wherever possible that all voids are sealed as any infestation may be difficult to eradicate There is no food value in the materials used 13 Maintenance As the product is confined behind the wall lining and it has suitable durability see section 14 maintenance is not required 14 Durability The board is rot proof stable and durable and will have a life equivalent to that of the wall structure in which 53 they are incorporated 15 General 5 1 Installation of the product should be in accordance with the Certificate holder s instructions and current good building practice 5 2 The board is light to handle and cut easily but care must be taken to prevent damage particularly at edges Between studs 5 3 The product should be cut to fit tightly between the timber studding and positioned against the inner face of the sheathing board Any gaps should be filled with expanding insulation foam The insulation should be held in place by nails or timber battens to the warm side of the insulation 5 4 The void created by space between the inner surface of the product and the dry lining can be utilised as an insulated service duct 5 5 A sealed polythene VCL with a minimum thickness of 0 125 mm 500 gauge and lapped and sealed joints is placed over the stud face before applying the internal finish Over studs as insulated dry lining 5 6 Mineral wool insulation or the prod
Download Pdf Manuals
Related Search