Baumit UK Ltd BAUMIT EXTERNAL WALL INSULATION
Contents
1. render seal bead mechanical fixing reveal insulation slab supplementary adhesive mortar insulation board I Ha window sill _ _e i PVC corner bead render finish coat Page 13 of 16 Figure 8 Typical eaves detail fire stop board provided attic insulation between external insulation and roof cavity supplementary adhesive mortar mechanical fixing fascia proprietary eaves ventilation render finish coat 16 25 On completion of the installation external fittings eg rainwater goods are securely fixed to timber grounds or extended fixings that have been built into the system during installation 17 Investigations 17 1 The system was examined and assessed to determine e fire performance e water absorption e hygrothermal behaviour e freeze thaw behaviour e impact resistance e water vapour permeability e bond strength e wind load resistance 17 2 An examination was made of data relating to e surface spread of flame classification e thermal conductivity 17 3 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 Page 14 of 16 Bibliography2. BS 5250 2011 Code of practice for control of condensation in buildings BS 8000 3 2001 Workmanship on building sites Codes of practice for masonry BS EN 998 1 2010 Specification for mortar for masonry Rendering and plastering mortar BS EN 1990 2002 Eurocode Basis of structural design NA to BS EN 1990 2002 UK National Annex to Eurocode Basis of structural design BS EN 1991 1 4 2005 Eurocode 1 Actions on structures General actions Wind actions NA to BS EN 1991 1 4 2005 UK National Annex to Eurocode 1 Actions on structures General actions Wind actions BS EN 1996 2 2006 Eurocode 6 Design of masonry structures Design considerations selection of materials and execution of masonry NA to BS EN 1996 2 2006 UK National Annex to Eurocode 6 Design of masonry structures Design considerations selection of materials and execution of masonry BS EN 13162 2012 Thermal insulation products for building Factory made mineral wool MVWV products Specification BS EN 13501 1 2007 Fire classification of construction products and building elements Classification using data from reaction to fire tests BS EN 13914 1 2005 Design preparation and application of external rendering and internal plastering External rendering BS EN ISO 6946 2007 Building components and building elements Thermal resistance and thermal transmittance Calculation method BS EN ISO 10456 2007 Buildi
3. F gM construction including openings and penetrations at junctions between the insulation system to minimise the risk ry 1 1 Designers must ensure that an appropriate condensation risk analysis has been carried out for all parts of of condensation The recommendations given in BS 5250 2011 should be followed Surface condensation 47 11 2 Walls will adequately limit the risk of 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 and openings comply with section 6 3 not exceed 1 2 W m K at any point Guidance may be obtained from BS 5250 2011 Section 8 Annex D and BRE Report BR 262 2002 Interstitial condensation a 1 3 Walls will adequately limit the risk of surface condensation when the thermal transmittance U value does 11 4 Walls incorporating the system will adequately limit the risk of interstitial condensation when they are 3 designed and constructed in accordance with this Certificate 11 5 The renders used with the system have an equivalent air layer of thickness S of lt 1 0 m This corresponds to a water vapour resistance factor p which is dependent on the particular basecoat and finish coat configuration 11 6 The water vapour resistance factors p for mineral wool is 1 as taken from BS EN ISO 10456 2007 Table 4 12 Maintenance and repair A 12 1 Regular checks should be made on the installed system includ
4. mail bba star co uk Herts VWWD25 9BA website www bbacerts co uk Page 1 of 16 Regulations In the opinion of the BBA the Baumit Mineral Wool External Wall Insulation System 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 mop indicates that the subject is related to the Building Regulations in the region or regions of the UK depicted 4 The Building Regulations 2010 England and Wales as amended 5 Requirement Al Loading Comment The system can sustain and transmit wind loads to the substrate wall See section 7 4 of this Certificate Requirement B4 1 External fire spread Comment The system can satisfy or contribute to satistying this Requirement See section 8 of this Certificate Requirement C2 b Resistance to moisture Comment The system provides a degree of protection against rain ingress See sections 4 4 and 10 1 of this Certificate Requirement C2 c Resistance to moisture Comment The system can contribute to minimising the risk of interstitial and surface condensation See sections 11 1 11 2 and 11 4 of this Certificate Requirement L1 a i Conservation of fuel and power Comment The system can contribute to satisfying this Requirement See sections 6 2 and 6 3 of this Certificate Regulation 7 Materials and workmanship Comment The system is acceptable
5. STRU 04 0023 Concrete C12 15 clay bricks 1500 Ejotherm NTU 05 0009 Concrete C12 15 clay bricks 1200 1500 1 Values are determined in accordance with ETAG 014 2002 and are dependent on the substrate 7 8 The pullthrough resistance determined by the BBA from tests on anchors are given in Table 4 Table 4 Insulation pull through resistances Factor unit Mineral Wool Insulation Insulation thickness mm 50 Plate diameter of anchor mm 60 Characteristic pull through resistance per anchor N 150 Factor of safety 2 5 Design pullthrough resistance N 60 1 Characteristic value in accordance with BS EN 1990 2002 Annex D7 2 2 The safety factor of 2 5 is applied and based on the assumption that all insulation slabs are quality control tested to establish tensile strength perpendicular to the face of the slab Impact resistance 7 9 Hard body impact tests were carried out in accordance with ETAG 004 2000 amended 2013 The systems are suitable for use in the categories listed in Table 5 Table 5 Impact resistance Application description Finishing coat Impact resistance Use Category Standard application Baumit Edelputz Spezial Baumit SilikatTop Baumit SilikonTop Baumit Nanoporlop Category II High impact application Baumit Edelputz Spezial Baumit SilikatTop Baumit SilikonTop Baumit Nanoporlop Category 1 Standard application construction with single layer of reinforcement
6. See section 13 1 and the Installation part of this Certificate Regulation 26 CO emission rates for new buildings Comment The system will enable or contribute to enabling a wall to satisfy the U value requirement See sections 6 2 and 6 3 of this Certificate 5 Regulation 8 1 2 Durability workmanship and fitness of materials Comment The system can contribute to a construction satisfying this Regulation See sections 12 1 13 1 and the Installation part of this Certificate k The Building Scotland Regulations 2004 as amended Regulation 9 Building standards applicable to construction Standard Wel Structure Comment The system can sustain and transmit wind loads to the substrate wall See section 7 4 of this Certificate Standard 2 6 Spread to neighbouring buildings Comment The system is regarded as low risk and therefore can satisfy this Standard with reference to clauses 2 6 42 2 6 5 and 2 6 61 See section 8 of this Certificate Standard DH Spread on external walls Comment The system can satisfy the requirements of this Standard with reference to clauses 2 7 102 and 2 7 21 See section 8 of this Certificate Standard 3 10 Precipitation Comment The system will contribute fo a construction satisfying this Standard with reference to clauses 3 10 1012 and 3 10 2021 See sections 4 4 and 10 1 of this certificate Standard B15 Condensation Comment The system will satisfy the re
7. addi inserted and tapped or screwed firmly into place securing at the vertica uare metre at edge tional fixings should zones and eigh the in fixings per square metre in the main area of the be used at 300 mm centres The primary mechanical fixings are sulation to the subst apped at the buildi rate Subsequent rows of slabs are ng corners and the slab joints do not occur within slab joints are staggered and over 200 mm of the corners of open 16 9 The insulation slabs must be pressed firmly against th ngs e wall and butted tightly together with the vertical joints staggered by at least 200 mm see Figure 3 A ignment should be checked as work proceeds Page 10 of 16 Figure 3 Typical arrangement at external corner gt y Be LZS A fety mechanical fixing ft movement profile E lt Pa a gt a render finish coat mechanical fixing Sees supplementary adhesive mortar aay coe a ha he compressible mineral wool filler joint A j AS structural movement joint 16 10 To fit around details such as doors and windows the slabs may be cut with a sharp knife or a finetooth saw and positioned so that the slab joints do not occur within 200 mm of the corners of the opening If required purpose made window sills are fitted see Figure 4 They are designed to prevent water ingress and incorporate drip
8. embedded mesh is applied to a total thickness of approximately from 8 mm to 10 mm When dry the primer is applied for the application of the decorative finish coat 2 Manufacture As part of the assessment and ongoing surveillance of the quality of the system components the BBA has e agreed with the manufacturer the quality control procedures and product testing regime to be undertaken e assessed and agreed the quality control operated over batches of incoming material e monitored the production process and verified that it is in accordance with the documented process Page 4 of 16 e evaluated the process for management of nonconformities e checked that equipment has been properly tested and calibrated e 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 3 Delivery and site handling 3 1 The insulation slabs are delivered to site shrinkwrapped in polythene Each pack carries the product identification and batch numbers 3 2 Components are delivered in the quantities and packages listed in Table 1 Each package carries the manufacturer s and product identification and batch number The basecoat and render also include the BBA logo incorporating the number of this Certificate Table 1 Component supply details Component Quantity and package Insulation slabs Polythene shrinkwrapp
9. experienced person to confirm that e the substrate wall has adequate s rength to resist additional loads that may be applied as a result of installing the system ignoring any contribution that may occur from the system e the proposed system and associated fixing layout provides adequate resistance to negative wind loads based on the results of the site investigation and test results e an appropriate number of site specific pull out tests conducted on the substrate of the building to determine the minimum resistance to failure of the fixings The characteristic pull out resistance should be determined in accordance with the guidance given in ETAG 014 2002 Ann ex D 7 6 The number and centres of fixings should be determined by the system designer Provided the substrate wall is suitable and an appropriate fixing is selected the mechanical fixings will adequately support and transfer the weight of the render insulation system to the substrate wall 7 7 Typical characteristic pull out strengths for the fixings taken from the corresponding European Technical Approval ETA are given in Table 3 however these values are dependent on the substrate and the fixing must be selected to suit the loads and substrate concerned Table 3 Fixings typical characteristic pull out strengths Fixing type ETA No Substrate Typical pull out strength N Termoz 8U 02 0019 Concrete C12 15 clay bricks 1500 Ejotherm
10. undertaken to comply with the Certificate holder s application procedure containing the requirements for each application team to include at least one member operative trained by the Certificate 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 inspections Page 9 of 16 16 Procedure General 16 1 Application of the system is carried out in accordance with the Certificate holder s current installation instructions 16 2 Weather conditions should be monitored t slab adhesive adhesive basecoat and rendering conditions o during the c direct sunlight or where the substrate is hot 6 3 Allre 6 4 Baum ndering should be in accordance wit Positioning and securing insulation slabs 6 6 The base profile is secured to the external the base rail or stop channel where appropriate Figure 2 Typical section at ba it bonding mortar StarContact or StarContact Forte is mixed with mixer The material should be allowed to stand for five minutes before remixing for 6 5 Where required a fungicidal wash is applied to the entire surface of the ex o ensure correct application and curing conditions The insulation must not be applied when exposure to frost is likely in damp wet r at temperatures below 5 C or above 25 C or where these temperatures are likely to be exceeded uring period The render must be prot
11. A _N Baumit UK Ltd y A ree i TESTING 4200 Waterside Centre CERTIFICATION Solihull Parkway TECHNICAL APPROVALS FOR CONSTRUCTION Birmingham Business Park Birmingham B37 ZYN Agr ment Certificate Tel 0333 358 3434 Fax 0843 557 7666 email info baumit co uk 13 5082 website www baumit co uk Product Sheet 2 BAUMIT EXTERNAL WALL INSULATION SYSTEMS BAUMIT MINERAL WOOL EXTERNAL WALL INSULATION SYSTEM This Agr ment Certificate Product Sheet relates to the Baumit Mineral Wool External Wall Insulation System comprising a mechanically fixed mineral wool insulation slab with supplementary adhesive and glassfibre reinforcement mesh and render finishes and suitable for use on new or existing domestic and non domestic buildings 1 Hereinafter referred to as Certificate CERTIFICATION INCLUDES e factors relating to compliance with Building Regulations where applicable factors relating to additional non regulatory information where applicable independently verified 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 system can be used to improve the thermal performance of external walls and contribute to meeting the Building Regulations see section 6 Strength and stability the system can adequately resist wind loads and i
12. Page 12 of 16 Render finish 16 21 The basecoat should be left to dry thoroughly before application of the finish coat Depending on conditions the drying time should be at least 48 hours before applying the finish coats 16 22 The finish coats are applied to the thicknesses specified by the Certificate holder and notional thin coat thicknesses are indicated by the grain size for each specific finish using a stainless steel trowel and float and finished with a plastic float to create the required finish texture see Table 6 Table 6 Thickness of finish coats Finish coat Thickness range or minimum thickness mm Baumit Edelputz Spezial finish lto7 Baumit SilikatTop finish 1 5 to 3 Baumit SilikonTop finish 1 5 to 3 Baumit Nanoporlop 1 5 to3 1 Thickness gauged by grain size 16 23 Continuous surfaces should be completed without a break and care should be taken in the detailing of the systems around and projections fo prevent water ingress 16 24 Care should be taken in the detailing of the system around openings and projections see Figure 7 At the tops of walls the systems should be protected by an adequate overhang see Figure 8 or by an adequately sealed purpose made flashing Figure Z Typical detail at window reveal and window head insulation slab substrate render finish coat supplementary adhesive mortar mechanical fixing render seal bead PVC corner bead reveal insulation slab
13. ased on calculations using the relevant wind speed data for the site and the pull out resistances see section 7 14 3 Surfaces should be sound clean and free from loose material The flatness of surfaces must be checked this may be achieved using a straightedge spanning the storey height Any excessive irregularities ie greater than 10 mm in 1 metre must be made good prior to installation to ensure that the insulation slabs are installed with a smooth in plane finished surface 4 4 On existing buildings purpose made window sills must be fitted to extend beyond the finished face of the system see section 16 10 New buildings should incorporate suitably deep sills 4 5 Where surfaces are covered with an existing rendering it is essential that the bond between the background and the render is adequate All loose areas should be hacked off and reinstated 4 6 Internal wet work eg screeding or plastering should be completed and allowed to dry prior to the application of a system 4 7 All modifications and necessary repairs to the building are completed before installation commences 15 Approved Installers Application of the system within the context of this Certificate is carried out by approved installers recommended or recognised by the Certificate holder Such an installer is a company 4 e employing operatives who have been trained and approved by the Certificate holder to install the system e which has
14. cone resin decorative topcoat render e Baumit Edelputz Spezial a mineral render of factory prepared dry powder mortar to BS EN 998 1 2010 for a topcoat decorative finish as a plain scratched or freestyle textured finish depending on aggregate size Maximum grain sizes of mm 2 mm 3 mm 4 mm and 5 mm Figure 1 Baumit Mineral Wool External Wall Insulation System substrate supplementary adhesive insulation slabs mechanical fixing Nha HHT render finish coat reinforcement mesh primer basecoat 1 3 Ancillary materials outside the scope of this Certificate include e profiles a range of standard PVC aluminium stainless steel and galvanized steel profiles for use at wall base stop ends and movement joints e profile fixings a range of fixings available to suit insulation thickness and substrate type including stainless steel screws polypropylene plug type with steel expansion pins or plastic expansion sleeves and integral plastic finned nails with disc heads e joint seal compressible waterproofing sealing tape e XPS insulation 1 4 Rockwool Dual Density insulation slabs are primarily fixed with mechanical fixings and bonded using supplementary adhesive to the substrate Basecoat render is trowel applied to the slab face to an approximate thickness of between 4 mm and 5 mm including a layer of embedded mesh reinforcement For high impact areas a further layer of basecoat render with
15. ected from rapid drying and should not be applied on elevations in h the relevant recommendations of BS EN 13914 1 2005 an electric hand mixer or horizontal use ernal wall by brush roller or spray wall above the dpc using the profile fixings at approximately 300 mm centres see Figure 2 Base rail connectors are inserted at all rail joints Extension profiles are fixed to the front lip of Se insulation slab render finish coat base profile F Se 3 Zg z X es of oA ee 267 220 A CO o nk z N S 10 J X 2 ne 3 oe S o oe ay oF o y A A D 20 S X N D aN 2220 mechanical fixing supplementary adhesive mortar perimeter insulation board outside the scope of the Cerificate oN 16 7 Baumit bonding mortar supplementary adhesive Baumit StarContact or Baumit StarContact Forte is prepared by mixing each 25 kg bag with 4 5 using stainless steel tools or a mortar pump 16 8 The first run of insulation slabs is positione required depth through the insulation equidistant itr es of clean water The adhesive is applied to the insulation slabs d on the base profile Holes are drilled into the substrate to the y at the corners of each slab and at positions which will allow a minimum of six positioned so th fixings per sq wall Around openings
16. ed package Baumit StarContact Baumit StarContact Forte basecoat 25 kg bag Standard reinforcement mesh Panzer reinforcement mesh 1 mx 25 m coll Baumit UniPrimer primer 25 kg bucke Baumit Edelputz Spezial mineral render 25 kg bag Baumit Silikatlop Baumit SilikonTop Baumit Nanoporlop synthetic paste renders 25 kg bucke Mechanical fixings Boxed by manufacturer 3 3 The insulation slabs should be stored on a firm clean level base off the ground and must be protected from prolonged exposure to sunlight either by storing opened packs under cover in dry conditions or recovering with opaque polythene sheeting 3 4 Care must be taken when handling the insulation slabs to avoid damage Slabs that become damaged soiled or wet should be discarded 3 5 The powder components should be stored in dry conditions off the ground and protected from frost at all times Bags of unopened render will have a sheltlife of 12 months when stored correctly 3 6 Primers and synthetic paste render finishes should be stored in dry conditions off the ground and be protected from frost at all times Damaged wet or contaminated products should not be used and must be discarded Assessment and Technical Investigations The following is a summary of the assessment and technical investigations carried out on Baumit Mineral Wool External Wall Insulation System 4 General 4 1 The Baumit Mineral Wall External Wall Insulation System when in
17. 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 7 Strength and stability 7 1 When installed on suitable walls the system can adequately transfer to the wall the self weight and negative suction and positive pressure wind loads normally experienced in the United Kingdom 7 2 Positive wind load pressure is transferred to the substrate wall directly via bearing and compression of the render and insulation 7 3 Negative wind pressure suction is resisted by the bond between each component The insulation slabs are retained by the external wall insulation system anchors Page 6 of 16 7 4 The wind loads on the wall should be calculated in accordance with BS EN 1991 1 4 2005 and its UK National Annex Special consideration should be given to locations with high wind load pressure coefficients as additional fixings may be necessary In accordance with BS EN 1990 2002 and its UK National Annex it is recommended that a load factor of 1 5 is used to determine the ultimate wind load to be resisted by the system 7 5 Assessment of structural performance for individual buildings must be carried out by a suitably qualified and
18. ificate 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 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 incl
19. ing e visual inspection of the render for signs of damage Cracks in the render exceeding 0 2 mm must be repaired e examination of the sealant around openings and service entry points e visual inspection of architectural details designed to shed water to confirm that they are performing properly Page 8 of 16 e visual inspection to ensure that water is not leaking from external downpipes or gutters such leakage could penetrate the rendering e necessary repairs are effected immediately and the sealant joints at window and door frames replaced at regular intervals e maintenance schedules which should include the replacement and resealing of joints for example between the insulation system and window and door frame 12 2 Damaged areas must be repaired using the appropriate components and procedures detailed in the Certificate holder s installation instructions and in accordance with BS EN 13914 1 2005 13 Durability 13 1 The system will have a service life of at least 3O years provided any damage to the surface finish is 53M epaired immediately and regular maintenance is undertaken as described in section 12 13 2 Any render containing Portland cement may be subject to lime bloom The occurrence of this may be reduced by avoiding application in adverse weather conditions The effect is transient and is less noticeable on lighter colours 13 3 The finishes may break up the flow of water on the surface and reduce the ris
20. is Certificate Additional Information NHBC Standards 2014 NHBC accepts the use of the Baumit Mineral Wool External Wall Insulation System provided it is installed used and maintained in accordance with this Certificate in relation to NHBC Standards Part 6 Superstructure excluding roofs Chapter 6 9 Curtain walling and cladding Technical Specification 1 Description 1 1 Baumit Mineral Wool External Wall Insulation System comprises mineral wool insulation slabs mechanically fixed to the substrate wall supplemented by adhesive and glassfibre reinforcement mesh with render finishes 1 2 The system see Figure 1 comprises Adhesive supplementary e Baumit StarContact and Baumit StarContact Forte factory prepared dry powder mortars to BS EN 998 1 2010 as an adhesive bonding agent Insulation e Rockwool Dual Density slabs 1200 mm by 600 mm in a range of thicknesses between 50 mm and 200 mm in increments of 10 mm with a maximum density of 110 kgm minimum compressive strength of 20 kN m and a minimum tensile strength perpendicular to the faces of 10 kN m Slabs are manufactured to comply with BS EN 13162 2012 Mechanical fixings e mechanical fixings proprietary external wall insulation fixings of adequate length to suit the substrate and insulation thickness and supplied by the Certificate holder Fischer Termoz 8 U Fischer Termoz 8 N Hilti D mmstoffd bel SD FV 8 Hilti Dammst
21. k of discoloration by water runs The finish may become discoloured with time the rate depending on locality initial colour the degree of exposure and atmospheric pollution as well as the design and detailing of the wall In common with traditional renders discoloration by algae and lichens may occur in wet areas The appearance may be restored by a suitable power wash or if required by over coating 14 Site survey and preliminary work 14 1 A preinstallation survey of the property must be carried out to determine suitability for treatment and the need for any necessary repairs to the building structure before application of the Baumit Mineral Wool External Wall Insulation System A specification is prepared for each elevation of the building indicating e the position of beads e detailing around windows doors and at eaves e damp proof course dpc level e exact position of expansion beads e where required additional corner mesh and reinforcement e areas where flexible sealants must be used e any alterations to external plumbing e where required the positions of fire barriers 14 2 The survey should include tests conducted on the walls of the building by the Certificate holder or their approved applicators see section 15 to determine the pull out resistance of the proposed mechanical fixings An assessment and recommendation is made on the type and number of fixings required to withstand the building s expected wind loading b
22. m is installed in close proximity to certain flue pipes the relevant provisions of the national Building Regulations should be met England and Wales Approved Document J Scotland Mandatory Standard 3 19 clause 3 19 4012 1 Technical Handbook Domestic 2 Technical Handbook Non Domestic Northern Ireland Technical Booklet L 10 Water resistance 10 1 The system will provide a degree of protection against rain ingress However care should be taken to ensure that walls are adequately weathertight prior to application of the insulation system The insulation system may only be installed where there are no signs of dampness on the inner surface of the substrate other than those caused solely by condensation 0 2 Designers and installers should take particular care in detailing around openings penetrations and movement joints to minimise the risk of rain ingress Only details approved by the Certificate holder should be used 0 3 The guidance given in BRE Report BR 262 2002 should be followed in connection with the weathertightness of solid wall constructions The designer should select a construction appropriate to the local wind driven index paying due regard to the design detailing workmanship and materials to be used 0 4 At the tops of walls the system should be protected by an adequate overhang or other detail designed for use with these types of system see section 16 24 11 Risk of condensation
23. ments should also be built in accordance with BS EN 1996 2 2006 and its UK National Annex 4 6 The effect of the installation of the system on the acoustic performance of a construction is outside the scope of this Certificate 4 7 The fixing of rainwater goods satellite dishes clothes lines hanging baskets and similar items is outside the scope of this Certificate 4 8 lt is essential that the system is installed and maintained in accordance with the conditions set out in this Certificate 4 9 External plumbing should be removed before installation and alterations made to underground drainage where appropriate to accommodate repositioning of the plumbing on the finished face of the system 5 Practicability of installation The system should be installed only by specialised contractors who have successfully undergone training and registration by the Certificate holder Note The BBA operates a UKAS accredited Approved Installer Scheme for external wall insulation details of approved installer companies approved are included on the BBA s website www bbacerts co uk 6 Thermal performance 6 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 using the insulation manufacturer s declared thermal conductivity Np value of 0 036 W m K71 6 2 The U value of a completed wall will depend on the selected insulation thickness and fixing
24. mesh 2 High impact application construction wi 7 10 These use categories are defined in ETAG 004 not subjected to abnormally rough use some incentive to exercise care h double layer of reinforcement mesh 2000 amended 2013 as e Use category a zone readily accessible at ground level to the public and vulnerable to hard body impacts but 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 e Use category Ill a zone not likely to be damaged by normal impacts caused by people or by thrown or kicked objects Page 7 of 16 8 Behaviour in relation to fire 8 1 The reaction to fire classification for the system is A2 s1 dO in accordance with BS EN 13501 1 2007 5 The classification applies to the full range of thicknesses and finishes covered by the Certificate 8 3 The mineral wool insulation material is classified as non combustible 8 4 The system is considered suitable for use on or at any distance from the boundary and there is no restriction on the height for use in buildings 8 5 Application to second storey walls and above it is recommended that the designer includes at least one stainless steel fixing per square metre as advised in BRE Report BR 135 2013 9 Proximity of flues When the syste
25. method the insulation value of the substrate masonry and its internal finish Figures for typical design U values calculated in accordance with section 6 1 are given in Table 2 Table 2 Insulation thickness required to achieve U value 21 3 U value Thickness of insulation mm W m 2 K 215 mm Brickwork 200 mm Dense blockwork h 0 5 6 W m K d 1 75 Wm K 0 19 210 210 0 25 150 150 0 26 140 150 0 28 130 140 0 30 120 130 0 35 100 110 1 Wall construction inclusive of 13 mm plaster A 0 57 W m K 5 mm render 1 0 W m K1 Brickwork protected with 17 1 mortar or dense blockwork with 6 7 mortar 0 88 W m K Insulation Ap as per section 6 1 of this Certificate 2 Calculation based on a system that included 8 fixings per m with a point thermal ransmittance X 0 004 W K Use of other types of fixings should be calculated in accordance with BS EN ISO 6946 2007 3 Based on calculations in accordance with BS EN ISO 6946 2007 4 Based upon incremental insulation thickness of 10 mm 6 3 The systems can 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 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
26. mpact damage see section 7 Behaviour in relation to fire the system has an A2 s1 dO reaction to fire classification in accordance with BS EN 13501 1 2007 see section 8 Risk of condensation the system can contribute to limiting the risk of interstitial and surface condensation see section 1 Durability when installed and maintained in accordance with the Certificate holder s recommendations and the terms of this Certificate the system should remain effective for at least 3O years see section 13 The BBA has awarded this Certificate to the company named above for the system described herein These 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 C E erter n e Date of First issue 27 January 2014 John Albon Head of Approvals Claire Curtis Thomas 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
27. ng materials and products Hygrothermal properties Tabulated design values and procedures for determining declared and design thermal values BRE Information Paper IP 1 06 Assessing the effects of thermal bridging at junctions and around openings BRE Report BR 135 2013 Fire Performance of External Insulation For Walls of Multistorey Buildings BRE Report BR 262 2002 Thermal Insulation avoiding risks BRE Report BR 443 2006 Conventions for U value calculations ETAG 004 2000 amended 2013 Guideline for European Technical Approval of External Thermal Insulation Composite Systems with Rendering ETAG 014 2002 Guideline for European Technical Approval of Plastic Anchors for fixing of External Thermal Insulation Composite Systems with Rendering Page 15 of 16 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 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 Cert
28. oftBefestigungselement XI FV Hilti SX FV Ejot Ejotherm STR U Ejot Ejotherm NT U Hilti WDVS Schraudiibel D FV and DFV T ETA approved anchors of similar or better characteristics Basecoat e Baumit StarContact Forte a factory prepared dry powder mortar to BS EN 998 1 2010 as an adhesive bonding mortar and reinforcing basecoat For use in standard applications using a thickness of between 6 mm to 8 mm with a reinforcement mesh e Baumit StarContact a factory prepared dry powder mortar to BS EN 998 1 2010 as an adhesive bonding agent and reinforcing basecoat For use in high impact areas using two coats of from 3 mm to 4 mm thick each with a reinforcement mesh Page 3 of 16 Reinforcement e standard reinforcement mesh one metre wide alkali resisting glassfibre mesh with a nominal weight of 160 g m and with an aperture size of approximately 4 mm by 4 mm e Panzer mesh a heavy duty alkali and slip resistant glassfibre mesh with a mass per unit area of approximately 300 g m and a mesh size of approximately 6 mm by 6 mm Primer e Baumit UniPrimer a ready to use acrylic based liquid primer as absorption compensator and bonding agent Finishes e Baumit Nanoporlop a synthetic paste render Ready to use mineral decorative top coat render e Baumit Silikaffop a synthetic paste ready to use silicate decorative topcoat render e Baumit SilikonTop a synthetic paste ready touse sili
29. quirements of this Standard with reference to clauses 3 15 1023 3 15 4012 and 3 15 5012 See sections 11 3 and 11 4 of this Certificate Standard 6 1 b Carbon dioxide emissions Standard Cw Buildings insulation envelope Comment The system can contribute to satisfy these Standards with reference to clauses or parts of 6 1 1 ANA 1 SMA 11 6 1102 2 2 O23 2AB O22 S58 oD 274M oD 92 6 2 92 6 2 10 6 2 11 6 2 12 and 6 2 13 2 See sections 6 2 and 6 3 of this Certificate Standard 7 1 a b Statement of sustainability Comment The system can contribute to satisfying the relevant requirements of Regulation 9 Standards 1 to 6 and therefore will contribute to a construction meeting the bronze level of sustainability as defined in this Standard In addition the system can contribute to a construction meeting a higher level of sustainability as defined in this Standard with reference to clause 7 1 4012 Aspect 12 and 20 7 1 6 Aspect 102 and 2 and 7 1 72 Aspect 1012 See sections 6 2 and 6 3 of this Certificate Regulation 12 Building standards applicable to conversions Comment All comments given for the system under Regulation 9 Standards 1 to 6 also apply to this Regulation with reference to clause 0 12 1 ll l and Schedule 602 1 Technical Handbook Domestic 2 Technical Handbook Non Domestic 42 The Building Regulations Northern Ireland 2012 5 Regulation 23 Fitne
30. s to shed water clear of the system Figure 4 Typical sill detail insulation fillet sill gasket joint seal band original concrete sill cut flush window sill min 5 slope supplementary adhesive mortar mechanical fixing substrate insulation slab render finish coat 16 11 Insulation continues until the whole wall is completely covered including where appropriate the building soffits 16 12 Prior to the reinforcement coat expanding foam sealing tape is inserted at window and door frames overhanging eaves gas and electric meter boxes wall vents or where the render abuts any other building material or surface Page 11 of 16 16 13 Corner profiles are fixed to all building corners and to door and window heads and jambs using the basecoat renders Movement joints 16 14 Movement joints are fixed vertically in agreed positions depending upon the individual requirements of each job Where a movement joint is incorporated into the substrate an expansion joint must be provided in the insulation system see Figure 5 Figure 5 Typical movement joint ERT yp aan G substrate render finish coat A Tt SY lt jfi FA V insulation slab lt e supplementary adhesive mortar movement profile s renege s
31. ss of materials and workmanship Comment The system is acceptable See section 13 1 and the Installation part of this Certificate Page 2 of 16 Regulation 28 b Resistance to moisture and weather Comment The system provides a degree of protection against rain ingress See sections 4 4 and 10 1 of this Certificate Regulation 29 Condensation Comment The system can contribute to minimising the risk of interstitial and surface condensation See sections 11 2 and 11 4 of this Certificate Regulation 30 Stability Comment The system can sustain and transmit wind loads to the substrate wall See section 7 4 of this Certificate Regulation 36 a External fire spread Comment The system can satisfy or contribute to satisfying this requirement See section 8 of this Certificate Regulation 39 a i Conservation measures The system can contribute to satisfying these Regulations See sections 6 2 and 6 3 of this Certificate Regulation 40 Target carbon dioxide emission rate Comment The system can contribute to satisfying these Regulations See sections 6 2 and 6 3 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 2 of th
32. stalled in accordance with this Certificate is effective in reducing the thermal transmittance U value of the external masonry walls of new and existing buildings It is essential that the detailing techniques specitied in this Certificate are carried out to a high standard if the ingress of water into the insulation is to be avoided and the full thermal benefit obtained from the system Only details specified by the Certificate holder should be used 4 2 The system will improve the weather resistance of a wall and provide a decorative finish However it may be installed only where there are no signs of dampness on the inner surface of the wall other than those caused solely by condensation 4 3 The system is applied to the outside of external walls of masonry and dense or nofines concrete construction and is suitable for use on new or existing domestic or non domestic buildings Prior to installation of the system the wall surfaces should comply with section 14 of this Certificate 4c New buildings subject to national Building Regulations should be constructed in accordance with the 53 relevant recommendations of e BS EN 1996 2 2006 and its UK National Annex the designer should select a construction appropriate to the local wind driven rain index paying due regard to the design detailing workmanship and materials to be used BS 8000 3 2001 Page 5 of 16 4 5 Other new buildings not subject to any of the previous require
33. tructural movement joint S sal F i A 5 K compressible mineral F wool filler joint q Y it Va mechanical fixing h r _ a e is a E ae A ON UY Reinforcement 16 15 Baumit bonding mortar basecoat render is applied over the insulation slabs using a stainless steel trowel and floated to an approximate minimum thickness of 3 mm The reinforcement mesh is immediately embedded and a further minimum thickness of 3 mm of basecoat is applied whilst the surface is still wet and smoothed off using a stainless steel float In high impact areas a second layer of reinforcement mesh is applied and embedded in the basecoat After application and smoothing the overall thickness should be minimum of 6 mm 16 16 Overlaps at all mesh joints should not be less than 100 mm 16 17 Additional pieces of reinforcement mesh 300 mm by 300 mm are used diagonally at the corners of openings as shown in Figure 6 Figure 6 Additional reinforcement at openings 300 x 300 mm reinforcement mesh strips 16 18 The mesh should be free of wrinkles and fully embedded in the basecoat 16 19 Prior to the render coat a bead of joint sealant is gun applied at window and door frames overhanging eaves gas and electric meter boxes wall vents or where the render abuts any other building material or surface 16 20 Stop beads are positioned vertically eg at party wall positions where an adjoining house does not require treatment
34. uding 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 Watford email mail bba star co uk Herts WD25 BA website www bbacerts co uk Page 16 of 16
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