BBA Certificate
Contents
1. 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 13 General 13 1 of this Certificate Additional Information NHBC Standards 2013 NHBC accepts the use of Rockwool Rockprime Blown Loft Insulation provided it is installed used and maintained in accordance with this Certificate in relation to NHBC Standards Chapter 7 2 Pitched roofs Page 2 of 6 CE marking The Certificate holder has taken the responsibility of CE marking the product in accordance with harmonised European Standard BS EN 14064 1 2010 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 Rockwool Rockprime Blown Loft Insulation consists of stone wool fibres which are treated with an inert water repellent during manufacture 1 2 The Certificate holder s mean target density for the installed product is from 21 kgm to 25 kgm 2 Manufacture 2 1 The insulation is manufactured from molten stone in a controlled way The length of fibres and degree of granulation are subject to regular quality control checks by the manufacturer 2 2 As part of the assessment2. 6 1 b Carbon dioxide emissions Standard 6 2 Buildings insulation envelope Comment The product can contribute to satisfying these Standards with reference to clauses or parts of 6 2 10 6 2 6 to 6 2 90 and 6 2 11 See sections 6 1 and 6 3 of this Certificate Standard 7 1 a b Statement of sustainability Comment The product can contribute to satisfying 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 See section 6 1 of this Certificate Regulation 12 Building standards applicable to conversions Comment All comments given for these systems under Regulation 9 Standards 1 to 6 also apply to this Regulation with reference to clause 0 12 1 l2 and Schedule 6012 1 Technical Handbook Domestic 2 Technical Handbook Non Domestic 5 A The Building Regulations Northern Ireland 2012 Regulation 23 Fitness of materials and workmanship Comment The product is acceptable See section 12 1 and the Installation part of this Certificate Regulation 29 Condensation Comment The product can contribute to satisfying this Regulation See section 7 1 of this Certificate Regulation 39 a i Conservation measures Regulation 40 2 Target carbon dioxide emission rate Comment The product can contribute to satisfying these Regulations See sections 6 1 and 6 3 of this Certificate
3. F lt INSPECTION Rockwool Ltd Be A TESTING CERTIFICATION 26 28 Hammersmith Grove TECHNICAL APPROVALS FOR CONSTRUCTION Hammersmith London W6 ZHA Agr ment Certificate Tel 01656 862621 Fax 01656 862302 email customer support rockwool co uk 10 4796 website www rockwool co uk Product Sheet 1 ROCKWOOL BLOWING IN GRANULATE INSULATION ROCKWOOL ROCKPRIME BLOWN LOFT INSULATION This Agr ment Certificate Product Sheet relates to Rockwool Rockprime Blown Loft Insulation stone wool fibres for use as insulation in between and above the joists at ceiling level in ventilated pitched roofs of dwellings or buildings of similar occupancy 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 Thermal performance when the product is blown between and above the ceiling joists at the recommended density the product has a thermal conductivity value Ap of 0 047 W m K see section 6 Condensation risk the risk of surface and interstitial condensation forming will be reduced when the pr
4. 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 management 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 Rockwool Ltd has been assessed and registered as meeting the requirements of BS EN ISO 9001 2008 by BSI Certificate FM 02262 2 4 The insulation is manufactured at the Certificate holder s premises in Pencoed Bridgend CF35 ONY 3 Delivery and site handling 3 1 The product is delivered to site in polythene wrapped bales weighing approximately 20 kg which should not be opened until required for use 3 2 The bales are marked with the BBA logo incorporating the number of this Certificate Assessment and Technical Investigations The following is a summary of the assessment and technical investigations carried out on Rockwool Rockprime Blown Loft Insulation 4 Use The insulation is for use in loft applications between ceiling joists in venti
5. ce may be obtained from BS 5250 2011 Annex H and ate Roofs will adequately limit the risk of surface condensation when the thermal transmittance U value does BRE Report BR 262 2002 8 Behaviour in relation to fire The product is classified as Class Al to BS EN 13501 2007 and hence is non combustible 9 Water vapour penetration The product is not a vapour barrier and will allow water vapour to migrate through 10 De rating of electrical cables As with other insulation products it may be necessary to derate electrical cables covered by insulation It is indicated in BS 7671 2008 that where wiring is completely surrounded by insulation it may need to be detated to as low as half its free air current carrying capacity Guidance should be sought from a qualified electrician Page 4 of 6 11 Maintenance As the product is placed within the roof space and has suitable durability see section 12 maintenance is not required 12 Durability 12 1 The product is stable rotproof and durable and will remain effective as an insulant for the life of the 53M building in which it is installed 12 2 The product does not encourage the growth of fungi moulds and bacteria or offer sustenance to vermin 13 General 13 1 Installation should be carried out by approved installers in accordance with the Certificate holder s instructions and current good building practice see section 5 As a precaution a disposable dust mask and gloves shou
6. cordance 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 as amended 5 Requirement C2 c Resistance to moisture Comment The product can contribute to satisfying this Requirement See sections 7 1 and 7 6 of this Certificate Requirement L1 a i Conservation of fuel and power Comment The product can contribute to satisfying this Requirement See sections 6 1 and 6 3 of this Certificate Regulation 7 Materials and workmanship Comment The product is acceptable See section 12 1 and the Installation part of this Certificate Regulation 26 CO emission rates for new buildings Comment The product can contribute to satisfying this Regulation See sections 6 1 and 6 3 of this Certificate 5 A The Building Scotland Regulations 2004 as amended Regulation 8 1 Durability workmanship and fitness of materials Comment The product is acceptable See section 12 1 and the Installation part of this Certificate Regulation 9 Building standards applicable to construction Standard 3 15 Condensation Comment The product can contribute to satisfying this Standard with reference to clauses 3 15 1 and 3 15 3 See sections 7 1 and 7 7 of this Certificate Standard
7. em 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 misleading and will be incomplete to be selective e is copyright of the BBA e is subject to English Law 15 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 15 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 15 4 The BBA has used due skill care and diligence in preparing this Certificate but no warranty is provided 15 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 direct
8. esults of tests conducted on the insulation were assessed to determine e corrosion developing capacity e thermal conductivity e water vapour transmission 14 2 An examination was made of test data in relation to e U value calculation and condensation risk analysis e fire test report to BS EN 13501 1 2007 14 3 The manufacturing process was evaluated including the methods adopted for quality control and details were obtained of the quality and compositions of materials used Bibliography BS 5250 2011 Code of practice for control of condensation in buildings BS 5534 2003 Code of practice for slating and tiling including shingles BS 7671 2008 Requirements for electrical installations IET Wiring Regulations Seventeenth edition BS EN 13501 1 2007 Fire classification of construction products and building elements Classification using test data from reaction to fire fests 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 BRE Information Paper IP 1 06 Assessing the effects of thermal bridging at junctions and around openings BRE Report BR 262 2002 Thermal insulation avoiding risks BRE Report BR 443 2006 Conventions for U value calculations Page 5 of 6 Conditions of Certification 15 Conditions 15 1 This Certificate e relates only to the product syst
9. ion for adequate permanent ventilation of the space above the insulation to minimise the formation of condensation in the roof space 7 3 Permanent ventilation of the roof structure should be provided by continuous openings or regularly spaced vents of equivalent area situated along two opposite sides of the roof at eaves level The size and position of ventilation openings for pitched roofs greater or less than 15 roofs with spans exceeding 10 m and monopitched roofs should be in accordance with of BS 5250 2011 Annex H Further information and guidance is given in BRE Report BR 262 2002 7 4 Ventilation openings should be arranged to prevent the ingress of rain snow birds and small mammals and the risk of subsequent blockage by other building operations 7 5 Where high vapour resistance roof tile underlays are used ventilation to the air space should be in accordance with the recommendation of BS 5250 2011 or relevant BBA Certificate for the roof tile underlay Surface condensation not exceed 0 35 W m K at any point and the junctions with walls are designed in accordance with the relevant requirements of Limiting thermal bridging and air leakage Robust construction details for dwellings and similar buildings TSO 2002 or BRE Information Paper IP 1 06 De Roofs will adequately limit the risk of surface condensation when the thermal transmittance U value does not exceed 1 2 W m K at any point Guidan
10. lated pitched roofs designed and constructed in accordance with the relevant clauses of BS 5534 2003 5 Practicability of installation The product should only be installed by installers who have been trained and approved by the Certificate holder 6 Thermal performance 6 1 Calculations of the thermal transmittance U value of specific loft constructions should be carried out in 53m accordance with BS EN ISO 6946 2007 and BRE Report BR 443 2006 For the purposes of U value calculations to determine if the requirements of the Building Regulations are met the declared thermal conductivity Xp value of the product may be taken as 0 047 W m K7 6 2 The U value of a loft will depend on the installed density and settled thickness of the installed insulation in between and above the joists Example U values of roofs incorporating the product are shown in Table 1 Page 3 of 6 Table 1 Example U values for loff insulation application U value W m K 1 Thickness of insulation mm 0 16 285 0 13 345 1 100 mm deep and 50 mm thick joists spaced at 400 mm centres 1 for additional timber such as noggings and loft hatch and 12 5 mm thick plasterboard ceiling elements and openings For Accredited Construction Details the corresponding yvalues psi 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 hea
11. ld be worn 13 2 All removable obstructions should first be cleared from the loft space and any holes in the ceiling sealed such as those around pipes Water tanks should be covered and any sources of moisture eg vent pipes for central heating arranged to avoid water vapour entering the loft space 13 3 To reduce the risk of frost damage the pipes and tank in the loft space should be lagged before installing the product The area directly below cold water tanks when resting at joist level must not be insulated to avoid the risk of the stored water freezing in cold weather 13 4 The product should be spaced at least 75 mm from recessed luminaires 13 5 In new and existing constructions the product should be installed after tiling or slating is completed from inside the roof space sts to the required thickness shown 13 6 The product is fed into a machine which blows it between and above the jo in section 6 2 Table 1 13 7 The machine is regulated by the applicator to achieve the required uniform thickness and density of product installed 13 8 A measuring ruler and Rockprime depth gauge are used to check the depth of insulation at various points 13 9 Calculation of the actual installed density requires the weight of wool corresponding to the number of bags used over the area covered to the depth installed and once settled This gives the density of the product after installation 14 Tests and investigations 14 1 R
12. ly 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 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 product system including its manufacture supply installation use maintenance and removal e any claims by the manufacturer relating to CE marking 15 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 B
13. oduct is installed correctly see section 7 Behaviour in relation to fire the product is considered to be non combustible see section 8 Durability the product will remain effective as an insulation for the life of the building in which it is installed see section 12 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 Carte OSs Date of Second issue 16 September 2013 John Albon Head of Approvals Claire Curtis Thomas Originally certificated on 12 November 2010 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 Watford email mail bba star co uk Herts WD25 9BA website www bbacerts co uk Page 1 of 6 Regulations In the opinion of the BBA Rockwool Rockprime Blown Loft Insulation if installed used and maintained in ac
14. ritish Board of Agr ment tel 01923 665300 Bucknalls Lane fax 01923 665301 Watford email mail bba star co uk Herts VWWD25 9BA website www bbacerts co uk Page 6 of 6
15. t loss by air infiltration can be found in we The product can maintain or contribute to maintaining continuity of thermal insulation at junctions between 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 6 4 The Certificate holder has at least one member of staff who has been deemed competent by the BBA under the BBA TIMSA Scheme for Calculation Competency U value and Condensation Risk Analysis Competent persons should be contacted for accurate quality assured U value and condensation risk analysis The Certificate of Competency can be found on the BBA website http www bbacerts co uk as Certificate CS 1002 7 Condensation risk Interstitial condensation 7 1 Roots incorporating the product will adequately limit the risk of interstitial condensation when designed and 53 constructed in accordance with BS 5250 2011 Annexes D and H 7 2 Insulation material placed at ceiling level will considerably reduce the temperature of an unheated roof structure and if moist air passes into the roof space condensation on cold surfaces is likely to be enhanced Roof structures incorporating the insulation at ceiling level must have provis
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