Web Dynamics Ltd MULTIFOIL INSULATION TLX
Contents
1. 11 Proximity of flues and appliances When installing the products in close proximity to certain flue pipes and or heatproducing appliances the following provisions to the national Building Regulations are acceptable England and Wales Approved Document J paragraph 2 15 Scotland Mandatory Standard 3 19 clause 3 19 12 and 3 19 4021 1 Technical Handbook Domestic 2 Technical Handbook Non Domestic Northern Ireland Technical Booklet L paragraph 2 9 12 Maintenance As the products are contined behind the wall lining and have suitable durability see section 13 maintenance is not required 13 Durability s products will have a life equivalent to that of the wall structure in which they are incorporated Page 7 of 12 14 General 14 1 Installation of TLX Silver and TLX Silver FB for Timber Frame and Masonry Wall Applications and additional insulation products should be in accordance with the Certificate holder s instructions and current good building practice 14 2 Care must be taken to ensure the products are not damaged during installation Should damage occur by tearing the products should be repaired by covering the holes with tape The products are attached to wall studs using staples or nails of at least 14 mm length The products must have overlap joints of at least 50 mm and be taped along the entire length of the joint with TLX tape or good quality brand 50 mm duct tape silver 14 3 When the product2. of concrete structures General rules and rules for buildings BS EN 1992 1 2 2004 Eurocode 2 Design of concrete structures General rules Structural tire design 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 unreintorced masonry structures BS EN 1996 2 2006 Eurocode 6 Design of masonry structures Design considerations selection of materials and execution of masonry BS EN 12114 2000 Thermal performance of buildings Air permeability of building components and building elements laboratory test method BS EN 13501 1 2007 Fire classification of construction products and building elements Classification using test data trom reaction to fire tests BS EN ISO 6946 2007 Building components and building elements Thermal resistance and thermal transmittance Calculation method BS EN ISO 11925 2 2002 Reaction to fire tests Ignitability of building products subjected to direct impingement of flame Singletlame source test Page 9 of 12 Conditions of Certification 17 Conditions 17 1 This Certificate e relates only to the product system that is named and described on the front page e is granted only to the company firm or person named on the front page no other company firm or person may hold or claim any entitlement to
3. to a wall satisfying the clauses or parts of 6 1 1 6 1 2123 6 1 31 6 1 6 O2 AO Z Amel 6 2 Sia 6 2 62 6 2 gia 6 2 Omo 2 Tao 2 Tand 6 2 1 oo these Standards See section 5 3 of this Certificate Regulation 12 Building standards conversions Comment All comments given for these products under Regulation 9 also apply to this Regulation with reference to clause 0 12 1 and Schedule 6l 1 Technical Handbook Domestic 2 Technical Handbook Non Domestic A The Building Regulations Northern Ireland 2000 as amended 5 Regulation B2 Fitness of materials and workmanship Comment The products are acceptable See section 13 and the Installation part of this Certiticate Regulation C5 Condensation Comment The products will contribute to minimising the risk of interstitial condensation See section 6 1 of this Certificate Regulation F2 a i Conservation measures Regulation F3 2 Target carbon dioxide Emissions Rate Comment The products can contribute to satisfying these Regulations See section 5 3 of this Certificate Construction Design and Management Regulations 2007 Construction Design and Management Regulations Northern Ireland 2007 In the opinion of the BBA there is no information in this Certificate which relates to the obligations of the client CDM co ordinator designer or contractors under these regulations Non regulatory Information NHBC Standards 2011 NHBC accepts the use of TLX Silv
4. Web Dynamics Ltd fa Ue TESTING Moss Lane CERTIFICATION Blackrod TECHNICAL APPROVALS FOR CONSTRUCTION Bolton o Fax 01204 095333 agemen Certificate el ax e mail tk webdynamics co uk 06 4379 website www webdynamics co uk Product Sheet 3 MULTIFOIL INSULATION TLX SILVER AND TLX SILVER FB FOR TIMBER FRAME AND MASONRY WALL APPLICATIONS This Certificate relates to TLX Silver and TLX Silver FB for Timber Frame and Masonry Wall Applications retlective insulation materials for use on the inner side warm side of the timber frame or masonry substrate They are held in place by timber battens creating an airspace between the products and the internal lining in domestic and non domestic buildings AGREMENT 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 combined with other types of insulation the products can contribute to meeting the U value requirement for a wall see section 5 Condensation risk the products will contribute to minimising the risk of interstitial and surface condensation They have a water vapour
5. ations in Scotland and Northern Ireland Detailed guidance tor other junctions and on limiting heat loss by air infiltration can be found in A The products can maintain or contribute fo 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 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 6 Condensation risk Interstitial Condensation 6 1 Walls incorporating the products will contribute to limiting the risk of interstitial condensation when gt designed and constructed in accordance with BS 5250 2002 Section 8 and Annex D 6 2 The products have a high water vapour resistance in excess of 1200 MN s g and will therefore provide significant resistance to the passage of water vapour and would be considered a vapour control layer as defined in BS 5250 2002 provided all laps and joints are sealed Page 6 of 12 6 3 The use of the products does not preclude the normal precautions against formation of condensation especially in rooms expected to have high humidity 6 4 When using these types of product due consideration must be taken of the overall installation to minimise perforations by services eg light switches and power
6. cheek wall applications 0 100 when rafter or stud depth is fully tilled with insulation percentage of Multi Foil thickness in stud and plasterboard batten cavities respectively for percentage of MultiFoil thickness in stud ratter and plasterboard batten cavities respectively 2 For guidance on U value calculations refer to the BBA Information Bulletin No 3 Reflective foil insulation Conventions for U value calculations 5 2 The U value of a completed wall will depend largely on the thickness and conductivity of the additional insulation used and the extent and arrangement of timber bridging Example roof constructions are shown in Figure and resulting U values in Table 2 Table 2 U values for specific constructions as detailed Construction Brick walll2 Figure 1 a Timber frame wall Studs depth Additional insulation thickness Figure 1 b 89 89 89 140 140 TLX Silver 45 mm MW 35 mm EPS 25 mm PUR 105 mm MW 85 mm EPS 60 mm PUR 50 mm MW 40 mm PUR 25 mm EPS 100 mm EPS 75 mm PUR TLX Silver FB 25 mm MVV 20 mm EPS 15 mm PUR 90 mm MVV 7 5 mm EPS 50 mm PUR 35 mm MVV 30 mm PUR 20 mm EPS 95 mm EPS 7Q mm PUR U value VV m 2 K 2 0 28 0 28 0 28 0 19 0 19 0 19 28 0 28 0 28 0 19 0 19 1 MW insulation conductivity 0 04 W m K PUR Insulation conductivity 0 022 W m K and emissivity 0 2 and EPS conductivity 0 032 W mr K thickness rounded
7. e attached to the external wall In new work the construction must be designed to accommodate the thickness of the dry lining particularly at reveals heads sills and in relation to ceiling height 3 4 Services can be incorporated behind the dry lining making chasing of the wall unnecessary Where possible penetration of the products by services should be kept to a minimum to limit possible penetration by water vapour 3 5 Installation of plasterboard must be in accordance with the relevant sections of BS 8212 1995 Page 3 of 12 A Practicability of installation The products are designed to be installed by a competent general builder or a contractor experienced with these types of products 5 Thermal Performance 5 1 Calculations of 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 following values 0 91 m2 K W R value for TLX Silver 30 mm thick 1 Unventilated cavity with a width and length at least 10 times the thickness and one high emissivity surface 1 43 m2 K VWW 1 R value for TLX Silver FB 50 mm thick 0 06 m K W R value of products when compressed between battens and ratters to a nominal 2 mm thickness 0 05 outer surface emissivity for TLX Silver and TLX Silver FB 0 66 m2 K VW l R value of an air cavity adjacent to the product 20 mm thick horizontal heat flow 50 50 dwart and dormer
8. ean dry conditions not exposed to sunlight The products must be protected trom being dropped or crushed by objects Care must be exercised when storing large quantities on site The products must not be exposed to open flame or other ignition sources and must be stored away trom flammable material such as paint and solvents 2 3 On site to ensure maximum performance of the products when installed precautions must be taken to protect them trom mud and dirt Assessment and Technical Investigations The following is a summary of the assessment and technical investigations carried out on TLX Silver and TLX Silver FB for Timber Frame and Masonry Wall Applications 3 General 3 1 TLX Silver and TLX Silver FB for Timber Frame and Masonry Wall Applications are suitable for use to improve the thermal insulation of dwellings and buildings of similar occupancy type and condition 3 2 The wall or subframe should be structurally sound and should have been designed and constructed in accordance with the following standards e timber BS EN 1995 1 1 2004 BS 5589 1989 and BS EN 351 1 1996 e masonry BS EN 1992 1 1 2004 BS EN 1992 1 2 2004 BS EN 1996 1 1 2005 BS EN 1996 1 2 2006 3 3 The installation requires careful detailing around doors and windows to achieve a satisfactory surface for finishing In addition every attempt should be made to minimise the risk of thermal bridging at reveals and where heavy separating walls ar
9. er and TLX Silver FB for Timber frame and Masonry Wall Applications when installed and used in accordance with this Certificate in relation to NHBC Standards Chapter 6 1 External walls and masonry walls and Chapter 6 2 External timber framed walls Page 2 of 12 Technical Specification 1 Description 1 1 TLX Silver and TLX Silver FB for Timber Frame and Masonry Wall Applications are insulation materials comprising outer layers of coated metallised film laminated to a nonwoven polypropylene fabric enclosing the core and welded along both long edges The core of the products consists of five layers of polyester fibre wadding separated by four metallised tilm layers 1 2 The products are available in rolls with the dimensions shown in Table 1 Table 1 Product dimensions Width Length Thickness m m mml TLX Silver OA Oa 2 24 27 3 0 10 30 TLX Silver FB O 4 0 6 12 22 27 30 8 50 1 3 Ancillary items used with the products which are outside the scope of this Certificate include e 50 mm duct tape silver e TIX tape toilbacked tape with acrylic adhesive width 50 mm 75 mm or 100 mm e plasterboard to BS EN 520 2004 e staples or 14 mm nails e timber battens e screws e additional insulation where required 2 Delivery and site handling 2 1 The products are delivered to site in rolls packed in a protective branded bag sealed with an end label Fitting instructions are placed in the bag 2 2 The rolls should be stored in cl
10. g battens Additional insulation 15 9 When used with additional insulation care should be taken that all air gaps are maintained in accordance with the Certificate holder s instructions for their products Mineral wool can be placed inside the cavity formed when the product is installed across studs Rigid insulation products can be placed inside the cavity Suitable tixings such as wooden battens nailed to the sides of the studs can be used to generate an air layer between the rigid insulation and the other components of the wall 16 Tests Tests were carried out on TLX Silver and TLX Silver FB for Timber Frame and Masonry Wall Applications and the results assessed to determine the emissivity and durability of the outer foil The thickness and the resistance of the core material ot TLX Silver FB were also tested Page 8 of 12 Bibliography BS 5250 2002 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 Seventeenth 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 Preservative treated solid wood Classification of preservative penetration and retention BS EN 520 2004 Gypsum plasterboards Definitions requirements and test methods BS EN 1992 1 1 2004 Eurocode 2 Design
11. he opinion of the BBA TLX Silver and TLX Silver FB for Timber Frame and Masonry Wall Applications if used in accordance with the provisions of this Certificate will meet or contribute to meeting the relevant requirements of the following Building Regulations 5 gt The Building Regulations 2010 England and Wales Requirement C2 c Resistance to moisture Comment The products will contribute to minimising the risk of surface and interstitial condensation See sections 6 and 6 6 of this Certificate Requirement L1 a i Conservation of fuel and power Comment The products can contribute to meeting this Requirement See section 5 3 of this Certificate Requirement Regulation 7 Materials and workmanship Comment The products are acceptable See section 13 and the Installation part of this Certiticate r k The Building Scotland Regulations 2004 as amended Regulation 8 1 Fitness and durability of materials and workmanship Comment The products satisfy the requirements of this Regulation See section 13 and the Installation part of this Certiticate Regulation 9 Building standards construction Standard Cals Condensation Comment The products can contribute to satisfying this Standard with reference to clauses 3 15 1023 3 15 4 and 3 15 52 See sections 6 1 and 6 7 of this Certificate Standard 6 1 b Carbon dioxide emissions Standard 0 Building insulation envelope Comment The products can contribute
12. our in relation to fire 8 1 The Certificate holder has declared that the products when tested for reaction to fire to BS EN ISO 11925 2 2002 achieved a Class E rating in accordance with BS EN 13501 1 2007 8 2 When installed with an internal lining board eg 12 5 mm thick plasterboard the insulation will be contained between the wall and internal lining board until one is destroyed Therefore the insulation will not contribute to the development stages of a fire 8 3 When installed with other additional insulation materials the tire properties of these materials must be taken into consideration 9 Air leakage 9 1 When tested to BS EN 12114 2000 with positive pressure of 50 Pa the products achieved a leakage rate of 0 19 mnim 9 2 When used as a vapour control layer and an air barrier the products effectiveness is reliant on the careful sealing of the laps joints perimeters and penetrations in accordance with the Certificate holder s instructions 9 3 The airtightness of the building will also be dependent on the performance of the other building elements 10 De rating of electrical cables As with other insulation products it may be necessary in some cases to derrate electrical cables buried in insulation BS 7671 2008 suggests that where wiring is completely surrounded by insulation it may need to be derated to as low as half its free air current carrying capacity Guidance should be sought trom a qualified electrician
13. outlets and the joints at ceiling and skirting level must be well sealed 6 5 As with any other insulation applied to the inside of a wall there may be risk of thermal bridging from the floor or ceiling particularly in concrete slab construction It has been demonstrated that the use of coving at the wall ceiling point will significantly reduce the problem Surface Condensation when the thermal transmittance U value does not exceed 0 7 W m K at any point and the junctions with other elements 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 2 Walls incorporating the products will contribute to limiting the risk of surface condensation adequately fe 67 Walls 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 Guidance may be obtained from Section 8 of the BS 5250 2002 and BRE Report BR 262 2002 Thermal insulation avoiding risks 7 Infestation The use of the products does not in itself promote infestation The creation of voids may provide habitation for insects or rodents in areas already intested Care should be taken to ensure that wherever possible all voids are sealed as any infestation may be difficult to eradicate There is no food value in the materials used 8 Behavi
14. product system including the nature design methods and workmanship of or related to the installation e the actual works in which the product system is installed used and maintained including the nature design methods and workmanship of such works 17 5 Any intormation relating to the manufacture supply installation use and maintenance 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 and maintained It does not purport in any way to restate the requirements of the Health amp Safety at Work etc Act 1974 or of any other statutory common law or other duty which may exist at the date of this Certiticate 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 In granting this Certificate the BBA does not accept responsibility to any person or body for any loss or damage including personal injury arising as a direct or indirect result of the manufacture supply installation use and maintenance of this product system Page 10 of 12 Blank page Page 11 of 12 British Board of Agr ment tel 01923 665300 Bucknalls Lane COo eoa Garston Watford email mail bba star co uk Herts VVD25 9BA website www bbacerts co uk Page 12 of 12
15. resistance in excess of 1200 MN s g and may be used as a vapour control layer see section 6 Behaviour in relation to fire the products are classitied as combustible but may be used in suitably designed walls see section 8 Durability the durability of the products is satistactory and will have a lite equivalent to the structure in which it is incorporated see section 13 The BBA has awarded this Agr ment Certificate to the company named above for the products described herein These piace have been assessed by the BBA as being fit for their intended use provided they are installed used and maintained as set out in this Certificate On behalf of the British Board of Agr ment a ENG Date of Second issue 21 April 2011 Simon Wroe Greg Cooper Originally certificated on 23 December 2008 Head of Approvals Physics 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 O01923 665300 Bucknalls Lane ene OOZES COS SiO Garston Watford email mail bba star co uk Hem ADS OBRA website www bbacerts co uk Page of 12 Regulations In t
16. s are cut to fit around openings care should be taken to minimise gaps The products can be cut easily using sharp scissors or a knite Any exposed cut edges of the products should be sealed with a suitable adhesive tape 15 Procedure Timber frame wall 15 1 Installation may be either vertical or horizontal runs If horizontal installation should start at the floor and go up to the ceiling 15 2 The products are unrolled across the inside of the timber studs and fixed using staples or nails of at least 14 mm length 15 3 The next layer must overlap the first layer by at least 50 mm and be taped along the entire length of the joint with TLX tape or good quality silver tape If securely taped the products can also function as a vapour control layer and air barrier 15 4 The products should be permanently tixed in place using wooden battens of size at least 38 mm by 50 mm parallel or perpendicular to the wall studs held in place with nails 15 5 When the top layer has been battened any excess material may be removed by running a sharp knife along the edge of the batten 15 6 Plasterboard is fixed to the battens in the conventional manner Solid masonry wall 15 7 Timber battens at least 38 mm wide by 50 mm deep are screwed to the wall at no greater than 600 mm vertical centres at wall perimeters and horizontally as required 15 8 The products are installed as for timber frame walls with plasterboard battens coinciding with the existin
17. this Certiticate 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 17 2 Publications and documents referred to in this Certificate are those that the BBA deems to be relevant at the date of issue or re issue of this Certificate and include any Act of Parliament Statutory Instrument Directive Regulation British European or International Standard Code of Practice manufacturers instructions or any other publication or document similar or related to the aforementioned 17 3 This Certificate will remain valid for an unlimited period provided that the product system and the manufacture and or fabrication including all related and relevant 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 17 4 In granting this Certificate the BBA is not responsible for 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 individual installations of the
18. to nearest 5 mm 2 Brickwork bridged with mortar studs and fixings correction through the additional insulation as per BR 443 2006 and plaster board A 0 021 Wm K Page 4 of 12 Figure 1 Example wall constructions a Brick Wall Construction 215 mm brick at 0 77 W m K Multifoil insulation a eE e 47 mm x 47 mm horizontal plasterboard battens at 600 mm centres net area 1 1 8 B8 gape 12 5 mm plasterboard additional insulation Page 5 of 12 Figure 1 Example wall constructions continued b Timber Frame Wall Construction 50 mm vented cavity 100 mm brick at horizontal plasterboard batten 0 77 Wem K 47 mm wide by 38 mm thick net area 11 8 12 mm OSB sheathing l I I l l l l l I l l l l l l l l l l l l l l l l I l l I l l l I l l l l l l I I I I I I I I l l l l I JODOOUDAN 89 mm x 50 mm studs net area 1 5 A _ 12 5 mm plasterboard SOOBAAAN _ m _ mM additional Multifoil insulation insulation elements and openings For Accredited Construction Details the corresponding psi values in BRE Intormation Paper IP 1 06 Assessing the effects of thermal bridging at junctions and around openings Table 3 may be used in carbon emission calcul
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