(UK) Ltd ALSECCO EXTERNAL WALL INSULATION SYSTEMS
Contents
1. Table 1 Component supply details Component Quantity and packaging adhesive 25 kg paper bag Alsecco Glassfibre Mesh 32 1 10 m wide roll 50 m length Alsecco Spar Dash DLX receiver 25 kg paper bag Alsecco Spar Dash aggregate finish 25 kg polyethylene bag fixings boxed by manufacturer 3 3 The insulation should be stored on a firm clean level base off the ground and under cover until required for use Care must be taken when handling the insulation to avoid damage 3 4 The insulation boards must be protected from prolonged exposure to sunlight either by storing opened packs under cover or recovering with opaque polythene sheeting Care must be taken to avoid contact with solvents or materials containing volatile organic components The boards must not be exposed to open flame or other ignition sources 3 5 The powder adhesives basecoat and topcoats must be stored in dry conditions off the ground and be protected from moisture and frost at all times Contaminated materials should be discarded Assessment and Technical Investigations The following is a summary of the assessment and technical investigations carried out on the Alsecco Basic 5 External Wall Insulation System 4 General 4 1 The Alsecco Basic 5 External Wall Insulation System when installed in accordance with this Certificate is effective in reducing the thermal transmittance U value of walls of new and existing buildings It is essential that the2. o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o a 100 mm o o o o o o oo o o o o lo o o o 1 200 mm fo oh o o o fo o o o o o o o o o o o o o o o o o p A i fo 100 mm e 2 2 g 2 2 kg 16 8 To fit around details such as doors and windows the boards may be cut with a sharp knife or a finetooth saw If required purpose made window sills are fitted They are designed to prevent water ingress and incorporate drips to shed water clear of the system 16 9 Installation continues until the whole wall is completely covered including where appropriate the building soffits 16 10 Prior to the application of the reinforcement coat pre compressed sealing tape is inserted at window and door frames overhanging eaves gas and electric meter boxes and wall vents or where the render abuts any other building material or surface Alternatively gun applied joint sealants or the use of proprietary sealing beads can be used in accordance with the Certificate holder s instructions 16 11 Corner profiles are fixed to all building corners and to door and window heads and ja
3. 6 3 The system can maintain or contribute to maintaining continuity of thermal insulation at junctions between external walls and junctions Details shown in section 16 will allow use of the default W values Psi for Accredited Construction Details in Emission Rate calculations to SAP 2009 or the Simplified Building Energy Model SBEM Guidance on limiting heat loss at junctions can be found in England and Wales Approved Documents to Part L and for new thermal elements to existing buildings Accredited Construction Details version 1 0 For new build see also SAP 2009 Appendix K and the iSBEM User Manual Scotland Accredited Construction Details Scotland Northern Ireland Accredited Construction Details version 1 0 7 Strength and stability General 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 is transferred to the substrate wall directly via bearing and compression of the render and insulation E 7 3 Negative wind pressure is resisted by the bond between each component The insulation boards are retained by the external wall insulation system anchors 7 4 The wind loads on the walls should be calculated in accordance with BS EN 1991 1 4 2005 Specia 3 consideration should be given to locations with high wind load pressure coe
4. Use of other types of fixings should be calculated in accordance with BS EN ISO 6946 2007 3 Based upon incremental insulation thickness of 10 mm Page 6 of 18 Table 4 Insulation thickness required to achieve U value 2I 3 using stainless steel fixings 60 year durability Thickness of insulation mm U value White White Graphite Graphite Graphite White White Graphite Graphite Graphite W mr 2 K EPS EPS enhanced EPS enhanced EPS enhanced EPS EPS EPS enhanced EPS enhanced EPS enhanced EPS 0 038 0 037 0 032 0 031 0 030 0 038 0 037 0 032 0 031 0 030 215 mm Brickwork 0 56 W mr K 1 200 mm Dense blockwork 1 75 W mrl K 1 0 19 90 90 160 160 150 200 200 170 170 160 0 25 40 40 120 120 110 150 150 130 120 120 0 26 40 30 110 110 110 140 140 120 120 120 0 28 20 20 110 100 100 130 130 110 110 110 0 30 10 10 100 90 90 120 120 100 100 100 0 35 00 90 80 80 80 100 100 90 90 80 1 Wall construction inclusive of 13 mm plaster 0 57 W mr K 5 mm render A 1 0 W mr K 1 Brickwork protected with 17 1 mortar or dense blockwork with 6 7 mortar 0 88 W m K EPS insulation A as per Table 2 2 Calculation based on a system that included seven stainless steel fixings with 8 mm diameter and point thermal transmittance X 0 002 W K per m Use of other types of fixings should be calculated in accordance with BS EN ISO 6946 2007 3 Based upon incremental insulation thickness of 10 mm
5. detailing techniques specified 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 treatment with the system Only details specified by the Certificate holder should be used 4 4 2 The system will improve the weather resistance of a wall and provide a decorative finish However it should only be installed 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 for application to the outside of external walls of masonry or dense or nofines concrete construction either with or without render on new or existing domestic and non domestic buildings up to 18 metres in height Prior to installation of the system the wall surfaces should comply with section 14 of this Certificate 1 4 4 4 New walls subject to national Building Regulations should be constructed in accordance with the relevant 53m commendations of e BS EN 1996 2 2006 in that 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 80003 2001 4 5 Other new buildings not subject to regulatory requirements should also be built in accordance with the Standards identified in section 4 4 4 6 The effect of the installation of the insulation system on the a
6. 9 mm Atter allowing the basecoat to dry a dash receiver coat is applied to the correct thickness between 4 mm and 6 mm 2 Manufacture 2 1 Components are manufactured by the Certificate holder or boughtin from suppliers to an agreed specification 2 2 As part of the assessment and ongoing surveillance of product quality the BBA has 4 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 Page 4 of 18 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 2 3 The management system of Alsecco UK Ltd has been assessed and registered as meeting the requirements of BS EN ISO 9001 2008 by SGS Certificate 37528 3 Delivery and site handling 3 1 The insulation is delivered wrapped in polythene Each pack carries the product identification and batch numbers 3 2 The other components are delivered to site in the quantities and packaging listed in Table 1 Each package carries the product identification and manufacturer s batch number
7. See sections 11 1 11 2 and 11 4 of this Certiticate 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 See sections 13 1 and 13 2 and the Installation part of this Certificate Regulation 26 CO emission rate for new buildings Comment The system can contribute to satisfying this Regulation 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 the construction satisfying this Regulation See sections 12 13 1 and 13 2 and the Installation part of this Certificate k The Building Scotland Regulations 2004 as amended Regulation 9 Building standards applicable to construction Standard tel 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 external surface of the system is classified as low risk with reference to clauses 2 6 4021 2 6 50 and 2 6 6123 See sections 8 1 to 8 6 of this Certificate Standard Dif Spread on external walls Comment The external surface of the system is classified as low risk with reference to clauses 2 7 1 2 and 2 7 2012 and Annex 2A See sections
8. and window and door frame 12 2 For a 60 year durability a detailed maintenance plan must be prepared and provided to the building manager owner on completion As a minimum this should include an inspection for evidence of defects 12 months atter the application and subsequently every five years 12 3 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 5 13 2 The system s service life can extend to 60 years provided a planned inspection and main fe requires the use of is introduced in accordance with section 12 of this Certificate stainless steel base stop and corner profiles stainless steel fixi sleeve material such as polyamide PAO and PA6 6 polyethylene PE or polypropylene PP an he Certificate holder s Repair and Maintenance Manual degree of exposure and detailing repair or replace isolated areas Any damage to the surface fi appropriate repair and maintenance schedule as covered by In order to achieve this depending on the buildings location Certificate holder maintenance manual 13 3 Any render containing Portland cement may be subject by avoiding application in adverse weather conditions The e 13 1 The system will remain effective for at least 30 years provided any damage to the surface finish is repaired immediately and regular maintenance is undertaken a
9. of the basecoat layer Finishing 6 19 Stop beads are positioned vertically eg at party wall positions where the adjoining house does not require treatment 6 20 The Spar Dash DLX receiver basecoat should be left to dry thoroughly before the application of the top coat The drying time will depend upon conditions but at least 48 hours should elapse before applying the finish coats The finish coat is applied to a thickness of 4 mm to 6 mm using a stainless steel trowel 6 21 Selected clean sparaggregate is thrown or sprayed onto the surface of the DXL receiver while the render is still soft to a thickness of 3 mm to 12 mm On completion the surface must be checked to ensure an even coverage of Spar Dash has been achieved Where necessary the aggregate should be lightly tapped to ensure a good bond is achieved 16 22 Continuous surfaces should be completed without a break 16 23 At the tops of walls the system should be protected by an adequate overhang see Figure 8 or by an adequately sealed purpose made flashing Care should be taken in the detailing of the system around openings and projections see Figures 9 and 11 16 24 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 Page 14 of 18 Figure 8 Roof eaves details o MN Ws DS gi X NN N OIII TIITII eaves construction as
10. per architects details foam sealing strip suitable substrate mechanical anchor fixings adhesive mortar insulation board basecoat render with reinforcement mesh topcoatdash receiver spardash finish Figure 9 Insulated window detail Se SS Sh Stk SS ARAE ee SAS SSS Se SSS SEE SS SSS BLL LL LLL LLL ODD a e a E a a S E sealant corner profile Page 15 of 18 Figure 10 External corner detail suitable substrate adhesive mortar mechanical anchor fixings insulation board basecoat render with reinforcement mesh Ni topcoatdash receiver spardash finish corner profile Figure 11 Window sill detail oversill profile sealant Page 16 of 18 17 Investigations 17 1 The system was examined and assessed by an independent laboratory to determine e fire performance e bond strength e hygrothermal performance e resistance to frost e resistance to impact e water vapour permeability 17 2 An examination was made of data relating to e fire propagation tests e surface spread of flame tests e thermal conductivity 17 3 The manufacturing process was evaluated including the methods adopted for quality control and details were obtained of the quality and composition of materials used 17 4 Visits to existing sites were undertaken to assess performance in service Bibliography BS 5250 2011 Cod
11. 8 1 to 8 6 of this Certificate Standard 3 10 Precipitation Comment The system will contribute to a construction satisfying this Standard with reference to clauses 3 10 1012 and 3 10 2012 See sections 4 4 and 10 1 of this Certificate Standard SLIS Condensation Comment The system will satisfy the requirements of this Standard with reference to clauses 3 15 10 3 15 4021 and 3 15 52 See sections 11 3 and 11 4 of this Certificate Standard 6 1 b Carbon dioxide emissions Standard 6 2 Buildings insulation envelope Comment The system can contribute to satisfying these Standards with reference to clauses 6 1 1021 6 1 2012 3 1 2 108 2 M2 GI OZA 62 54 2600 GAA 2388 OZ ome 6 2 10 6 2 11 6 2 12 2 and 6 2 1302 See sections 6 2 and 6 3 of this Certificate Standard 7 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 product can contribute to a construction meeting a higher level of sustainability as defined in this Standards with reference to clauses 7 1 4012 Aspect 102 and 20 7 1 6082 Aspect 102 and 210 and 7 1 7012 Aspect 10121 See section 6 2 of this Certificate Regulation 12 Building standards applicable to conversions Comment All comments given
12. A_N APPROVAL Alsecco UK Lid BBA ie CERTIFICATION Whitebridge Way TECHNICAL APPROVALS FOR CONSTRUCTION Stone Staffordshire ST15 8GH Agr ment Certificate Tel 01785 818998 Fax 01785 818144 email info alsecco co uk 96 3238 website www alsecco co uk Product Sheet 2 ALSECCO EXTERNAL WALL INSULATION SYSTEMS ALSECCO BASIC 5 EXTERNAL WALL INSULATION SYSTEM This Agr ment Certificate Product Sheet relates to the Alsecco Basic 5 External Wall Insulation System comprising white EPS or graphite enhanced EPS insulation boards mechanicallytixed with supplementary adhesive with a reinforced basecoat and dash finish It is suitable for use on the outside of external walls in new and existing domestic and non domestic buildings 1 Hereinafter referred to as Certificate CERTIFICATION INCLUDES e factors relating to compliance with Building Regulations where applicable e factors relating to additional non regulatory information where applicable 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 can contribute to satistying the requirements of the national Building Regulations see section 6 Strength and stability th
13. Alsecco EPS 031 2010 499 0 031 Alsecco EPS 032 0 032 Fi the insulating value of the substrate masonry and its internal finish Calculated U values for example constructions Ae The U value of a completed wall will depend on the selected insulation thickness the fixing method and are given in Tables 3 and 4 Table 3 Insulation thickness required to achieve U value I8 using galvanized steel fixings 30 year durability Thickness of insulation mm U value White White Graphite Graphite Graphite White White Graphite Graphite Graphite W m 2 K EPS EPS enhanced EPS enhanced EPS enhanced EPS EPS EPS enhanced EPS enhanced EPS enhanced EPS 0 038 0 037 0 032 0 031 0 030 0 038 0 037 0 032 0 031 0 030 215 mm Brickwork 0 56 W K 200 mm Dense blockwork A 1 75 W m K7 0 19 210 210 180 170 170 220 210 190 80 180 0 25 150 150 130 120 120 60 160 140 30 130 0 26 140 140 120 120 120 50 150 130 30 120 0 28 130 130 110 110 110 40 140 120 20 110 0 30 120 120 100 100 100 30 130 110 10 100 0 35 100 100 90 80 80 10 110 90 90 90 1 Wall construction inclusive of 13 mm plaster 0 57 W mr K 5 mm render 1 0 W m K71 Brickwork protected with 17 1 mortar or dense blockwork with 6 7 mortar 0 88 W m K EPS insulation A as per Table 2 2 Calculation based on a system that included seven galvanized steel fixings with 8 mm diameter and point thermal transmittance X 0 004 W K per m
14. European Technical Approval of Plastic Anchors for fixing of External Thermal Insulation Composite Systems with Rendering BRE Report 135 BR 135 2013 Fire performance of external thermal insulation for walls of multistorey buildings BRE Report 262 BR 262 2002 Thermal insulation avoiding risks BRE Report 443 BR 443 2006 Conventions for U value calculations Page 17 of 18 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 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
15. coustic 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 External plumbing should also be removed before installation and alterations made to underground drainage where appropriate to accommodate repositioning of the plumbing to the finished face of the system Page 5 of 18 4 9 It is essential that the insulation system is installed and maintained in accordance with the conditions set out in this Certificate 5 Practicability of installation The system should only be installed 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 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 443 2006 using the declared thermal conductivity of the insulation X value given in Table 2 Table 2 Thermal conductivity of the insulation Np value Insulation types Thicknesses mm Thermal conductivity W m K White EPS Alsecco EPS 038 20 to 400 0 038 Alsecco EPS 037 0 037 Graphite enhanced EPS Alsecco EPS 030 0 030
16. d tensile resistance of gt 100 kN m 2 Boards are manufactured so as to comply with the requirements for type FRA flame retardant additive material to BS EN 13163 2012 Mechanical fixings mechanical fixings anchors with adequate length to suit the substrate and the insulation thickness and selected from Ejot STR U polyethylene PE HD with steel or electro galvanized pins Ejot SDK U polyethylene PE HD with steel or electro galvanized pins Ejot NK U polyethylene PE HD with steel or electro galvanized pins Ejot NTK U polyethylene PE HD with polyamide or PA pins SDF K plus polyamide with steel or electrogalvanized pins Termoz WS 8N polyamide with steel or electro galvanized pins 1 Other fixings may be used provided they can be demonstrated to have equal or higher pullout and plate stiffness characteristics Basecoat Topcoat Alsecco Spar Dash DLX pre coloured dash receiver coat and basecoat comprising limestone sand conforming to BS EN 13139 2002 cement conforming to BS EN 197 1 2011 and additives Supplied as a powder to which clean water is added and applied to a thickness between 9 mm and 15 mm Reinforcement Alsecco Glassfibre Mesh 32 1 10 m wide mesh 4 mm by 4 mm of multi stranded alkali resistant glassfibres with a polymer coating and a nominal weight of 160 g m Page 3 of 18 Finish Alsecco Spar Dash aggregate available in a range of colours to suit the Spa
17. d be taken to ensure that 0 2 Designers and installers should take particular care in detailing around openings penetrations and movement joints to minimise the risk of rain ingress 10 3 Guidance given in BRE Report 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 rain index paying due regard to the design detailing workmanship and materials to be used 10 4 At the tops of walls the system should be protected by an adequate overhang or other detail designed for use with this type of system see section 16 11 Risk of condensation Z gM the construction including openings and penetrations at junctions between the insulation system and windows 1 1 Designers must ensure that an appropriate condensation risk analysis has been carried out for all parts of to minimise the risk of condensation The recommendations of BS 5250 2011 should be followed Page 9 of 18 Surface condensation does not exceed 0 7 W m K at any point and the junctions with other elements and openings comply with 1 2 Walls will limit the risk of surface condensation adequately when the thermal transmittance U value section 6 3 of this Certificate not exceed 1 2 W m K at any point Guidance may be obtained from BS 5250 2011 section 4 and a 1 3 Walls will adequately limit the risk of surface condensation when the
18. de sills must be fitted to extend beyond the finished face of the system New buildings should incorporate suitably deep sills 4 7 nternal wet work eg screeding or plastering should be completed and allowed to dry prior to the application of a system 4 8 All modifications and necessary repairs to the building structure are completed before installation commences 15 Approved installers Application of the system within the context of this Certificate must be carried out by installers approved by the Certificate holder A Certificate holder approved installer is a company e employing operatives who have been trained and approved by the Certificate holder to install the system and has operatives who upon completion of their training have been issued with an appropriate identification card by the Certificate holder e which has undertaken to comply with the Certificate holder s application procedure containing the requirement for each application team to include at least one member operative trained by the 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 16 Procedure General 6 1 Application is carried out in accordance with the Certificate holder s current installation instructions 6 2 Weather conditions should be monitored to ensure correct application and curing condit
19. dicular to the face of the slab Impact resistance e 7 9 Hard body impact tests were carried out in accordance with ETAG 004 2013 The system can be classed as having Use Categories to III 1 The use categories are defined in ETAG 004 2013 as e Category a zone readily accessible at ground level to the public and vulnerable to hard body impacts but not subjected to abnormally rough use e Category Il a zone liable to impacts from thrown or kicked objects but in public locations where the height of the system will limit the size of the impact or at lower levels where access to the building is primarily to those with some incentive to exercise care e Category Ill a zone not likely to be damaged by normal impacts caused by people or by thrown or kicked objects 8 Behaviour in relation to fire A The reaction to fire classification for the system is B s1 dO in accordance with BS EN 13501 1 2007 8 2 The fire classification applies to the full range of thicknesses covered by this Certificate 8 3 The system is restricted for use in buildings up to 18 metres in height 8 4 For houses in Scotland and for all buildings in England and Wales and Northern Ireland the system is suitable for use on or at any distance from the boundary 59 than one metre from the boundary 8 6 The system is not classified as non combustible therefore calculations for unprotected areas may apply dependent on the fire re
20. e of practice for control of condensation in buildings BS 8000 3 2001 Workmanship on building sites Code of practice for masonry BS EN 197 1 2011 Cement Composition specifications and conformity criteria for common cements BS EN 1062 1 2004 Paints and varnishes Coating materials and coating systems for exterior masonry and concrete Classification BS EN 1990 2002 Eurocode Basis of structural design BS EN 1991 1 4 2005 Eurocode 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 BS EN 13139 2002 Aggregates for mortar BS EN 13163 2012 Thermal insulation products for buildings Factory made expanded polystyrene EPS products Specification BS EN 13501 1 2007 Fire classification of construction products and building elements Classification using test 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 9001 2008 Quality management systems Requirements ETAG 004 2013 Guideline for European Technical Approval of External Thermal Insulation Composite Systems with Rendering ETAG 014 2011 Guideline for
21. e system can adequately resist wind loads and impactdamage see section 7 Behaviour in relation to fire the system has a B 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 1 Durability when installed and maintained in accordance with the Certificate holder s recommendations and the terms of this Certificate the system will remain effective for at least of 3O years The durability can be extended to 60 years by following a planned inspection and an effective maintenance schedule and observing the guidelines stated in section 13 The BBA has awarded this Certificate to the company named above for the system described herein This see 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 Ce Me COTE ee ae Date of First issue 6 January 2014 John Albon Head of Approvals Claire Curtis Thomas Originally certificated on 6 December 1996 Energy and Ventilation Chief Executive Certificate amended on 14 March 2014 to show mechanical fixing through insulation 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
22. fficients as additional fixings may be necessary In accordance with BS EN 1990 2002 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 installations should be carried out by a suitably qualified and experienced individual to confirm that 4 4 rength to resist the additional loads that may be applied as a result of installing the ribution that may occur from the system e the substrate wall has adequate s system ignoring any positive cont e the proposed system and associated fixing layout provides adequate resistance to negative wind loads based on the results of site investigation and test results e an appropriate number of site specific pull out tests are 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 2011 Annex 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 at the minimum spacing given in this Certificate 7 7 Typical characteristic pull out strengths for the fixings taken f
23. for the system under Regulation 9 Standards 1 to 6 also apply to this Regulation with reference to O 12 102 and Schedule 602 1 Technical Handbook Domestic 2 Technical Handbook Non Domestic The Building Regulations Northern Ireland 2012 5 Regulation 23 Fitness of materials and workmanship Comment The system is acceptable See sections 13 1 and 13 2 and the Installation part of this Certificate Page 2 of 18 Regulation 28 b Resistance to moisture and weather Comment The system provides a degree of protection against rain ingress See sections 4 4 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 meet this Regulation See sections 8 1 to 8 4 of this Certificate Regulation 39 a i Conservation measures Comment The system can contribute to satisfying this Regulation See sections 6 2 and 6 3 of this Certificate Regulation 40 Target carbon dioxide emission rate Comment The system can contribute to satisfying this Regulation See sections 6 2 and 6 3 of this Certificate Construction Design and Management Regulations 2007 Const
24. 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 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 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 mini
25. he adhesive can ing a notched trowel and butted tightly together with the vertical joints staggered by at least 200 mm see Figure 4 Joints between boards greater than 2 mm should be filled with slivers of insulation board or Alsecco PU foam Gaps greater than 10 mm sh ould be closed by repositioning or where appropriate by cutting boards to fit Any gaps high spots or irregularities are removed by lightly planing with a rasp over the whole surface Alignment should be checked as work proceeds Figure 4 Typical arrangement of insulation boards 16 7 The first run of insulation boards is positioned on the base profile Holes are drilled into the substrate to the required depth through the insulation at the corners of each board and at positions which allow a minimum of eight fixings per square metre at edge zones and four fixings per square metre in the main area of the wall see Figure 5 Around openings additional fixings should be used at 300 mm centres The mechanica tapped or screwed firmly into place securing the insulation to the substrate Subsequent so that the vertical board joints are staggered and overlapped at the building corners an occur within 200 mm of the corners of openings Page 12 of 18 fixings are inserted and rows of boards are positioned d the board joints do not Figure 5 Insulation slab fixing pattern 100 mm m m ro sc o o
26. ions Application of coating materials must not be carried out at temperatures below 3 C or above 30 C nor if exposure to frost is likely and the coating must be protected from rapid drying 6 3 All rendering should be in accordance with the relevant recommendations of BS EN 13914 1 2005 Positioning and securing insulation boards 6 4 The base profile is secured to the external wall above the dpc using the approved profile fixings at approximately 500 mm centres see Figure 3 Base rail connectors are inserted at all rail joints Extension profiles are fixed to the front lip of the base rail or stop end channel where appropriate Page 11 of 18 Figure 3 Typical section of base profile _____ adhesive mortar mechanical fixing if required insulation slab a SS SPREA reinforcement mesh ee PIGS _ _ basecoat Js topcoatdash receiver base and extension profiles substrate 16 5 The adhesive is prepared by mixing each bag with 4 5 litres or 5 5 litres of water as directed The adhesive is applied in a continuous line around the perimeter of the board with six additional dabs of adhesive distributed uniformly over the remaining surface at least 50 of th be applied over the entire face of the insulation board us 16 6 The boards must be pressed firmly against the wa e board should be covered Alternatively t
27. 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 WWD25 9BA website www bbacerts co uk Page 1 of 18 Regulations In the opinion of the BBA the Alsecco Basic 5 External Wall Insulation System if installed used and maintained in accordance with the provisions of this Certificate will satisfy or contribute to satisfying 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 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 meet this Requirement See sections 8 1 to 8 4 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 Certiticate Requirement C2 c Resistance to moisture Comment The system can contribute to minimising the risk of interstitial and surface condensation
28. mbs using the basecoat render see Figure 10 16 12 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 and wall vents or where the render abuts any other building material or surface Movement joints 16 13 Generally movement joints are not required in the system but if an expansion joint is already incorporated in the substrate a movement joint must be provided in the insulation system see Figure 6 Figure 6 Vertical movement joint a Lit med amt ot ae EE RRS SE SS SS movement joint Basecoat 16 14 Spar Dash DLX is used as a basecoat and topcoat The render is prepared by mixing each bag with 4 5 litres of water 16 15 The basecoat is applied to a thickness of 5 mm to 9 mm over the insulation boards using a stainless steel trowel and applied progressively working in one metre sections in a vertical or horizontal direction Page 13 of 18 16 16 The reinforcement mesh is immediately embedded into the wet base coat overlapping at all mesh joints should not be less than 100 mm Reinforcement 16 17 In all cases additional pieces of reinforcing mesh 250 mm by 250 mm are used diagonally at the corners of openings as shown in Figure 7 Figure 7 Additional reinforcement at openings mesh asf 7 e A 6 18 The mesh should be free of wrinkles and fully embedded in the upper third
29. mum 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 9BA website www bbacerts co uk Page 18 of 18
30. r Dash DLX receiver coat 3 mm to 12 mm aggregate size Figure 1 Alsecco Basic 5 External Wall Insulation System adhesive mortar topcoatdash receiver EPS insulation board sparaash Hisn reinforcement mesh basecoat S5 ASS NYS AY mechanical fixing N aK WY lt d AY OX WY NYY WY XY CONS w N base profiles 1 2 Ancillary materials also used with the system but outside of the scope of this Certificate e Alsecco profiles comprising aluminium PVC U or stainless steel base profile aluminium PVC U or stainless steel edge profile aluminium PVC U or stainless steel comer profile with optional PVC U nosing aluminium PVC U or stainless steel movement joint n n n aluminium PVC U or stainless steel render stop profile n a aluminium or PVC U or stainless steel expansion joint e Alsecco profile connectors and fixings e Alsecco sealing tape precompressed expanding polyurethane foam tape e Alsecco acrylic based joint sealan Alsecco PU foam 1 3 The insulation boards are fixed to the external surface of the wall using mechanical fixings and Thermastick or Armatop adhesives as necessary The insulation boards are protected by a basecoat containing a glassfibre reinforcement mesh for a combined thickness between 5 mm and
31. rom the corresponding European Technical Approval ETA are given in Table 5 however these values are dependent on the substrate and the fixing must be selected to suit the loads and substrate concerned Page 7 of 18 Table 5 Fixings typical characteristic pull out strengths Fixing type ETA number Substrates Drill diameter Embedment Typical pull out mm depth mm strength kN Ejot STR U 04 0023 Concrete bric 8 25 5 15 Ejot SDK U 04 0023 Concrete bric 8 25 S L Ejot NK U 05 0009 Concrete bric 8 25 DANS Ejot NTK U 07 0026 Concrete bric 8 40 0 6 0 9 SDF K plus 04 0064 Concrete bric 8 60 5 15 Termoz WS 8N 03 0019 Concrete bric 8 50 5 1 2 7 8 The resistance forces data given in Table 6 are the results of calculations based upon pullthrough resistances determined by the BBA from tests on anchors with 60 mm and 90 mm diameter plates Table 6 Design pull through resistances Factor Insulation Graphite enhanced white EPS Thickness mm gt 60 gt 90 Tensile resistance of insulation kPa gt 100 gt 100 Plate diameter of anchor mm 60 90 Characteristic pullthrough resistance per anchor N 415 450 Factor of safety 2 5 2 5 Design pullthrough resistance N 166 180 1 Pullthrough resistance of insulation over the head of the fixing 2 The safety factor of 2 5 is based on the assumption that all insulation boards are quality controlled and tested to establish tensile strength perpen
32. ruction 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 and 3 4 of this Certificate Additional Information NHBC Standards 2014 NHBC accepts the use of the Alsecco Basic 5 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 The Alsecco Basic 5 External Wall Insulation System see Figure 1 comprises from inside to outside Adhesive Thermastick MK Armatop A Armatop LAero Armatop MP cementbased adhesives comprising limestone sand conforming to BS EN 13139 2002 cement conforming to BS EN 197 1 2011 and additives Supplied as a powder to which clean water is added Insulation white expanded polystyrene insulation boards Alsecco EPS 038 and Alsecco EPS 037 and graphite enhanced polystyrene insulation boards Alsecco EPS 030 Alsecco EPS 031 and Alsecco EPS 032 see Table 2 of this Certificate Each available in sizes up to 1200 mm by 600 mm in a range of thicknesses from 20 mm to 400 mm in increments of 10 mm with a nominal density of 15 kgm a minimum compressive strength of ZO kN m an
33. s described in section 12 of this Certificate An extended 60 years service li ngs or centre pin Grade 1 4301 4 tenance programme and plastic anchor d the following of an it may be necessary to nish must be repaired within a tim to lime bloom The occurrence of e period agreed in the this may be reduced fect is transient and is less noticeable on lighter colours 13 4 The render may become discoloured with time the rate depending on the 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 Page 10 of 18 13 5 To maintain a high quality aesthetic appearance it may be necessary to periodically clean the facade in accordance with the recommendations of the Certificate holder and in accordance with BS EN 1062 1 2004 Care should be taken not to adversely affect the water vapour transmission or fire characteristics of the system The advice of the Certificate holder should be sought as to the suitability of a particular product 14 Site survey and preliminary work 14 1 A pre installation survey of the property must be carried out to determine suitability for treatment and any repairs necessary to the building structure before application of a system A specification is prepared for each ele
34. sistance characteristics of the wall ae For flats and maisonettes and non domestic buildings in Scotland the system is suitable only for use more 8 7 For application to second storey walls and above it is recommended that the designer considers at least one stainless steel fixing per square metre and fire barriers in line with compartment walls and floors as advised in BRE Report BR 135 2013 see Figure 2 Page 8 of 18 Figure 2 Fire barrier details substrate adhesive mortar EPS insulation board fire break position in conjunction with floor construction 200 mm continuous strip of lamella Mineral Wool fire class O basecoat and reinforced mesh 9 Proximity of flues and appliances Where a system 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 walls are adequately weathertight prior to application of the system The insulation system shall only be installed where there are no signs of dampness on the inner surface of the substrate other than those caused solely by condensation 4 10 1 The system will provide a degree of protection against rain ingress Care shoul
35. thermal transmittance U value does BRE Report 262 2002 Interstitial condensation designed and constructed in accordance with BS 5250 2011 section 4 and Annexes D and G 4 1 4 Walls incorporating the system will adequately limit the risk of interstitial condensation when they are 11 5 The water vapour resistance p factor for the insulation Table 7 Water vapour resistance p boards and finishes is as follows Water vapour Water vapour air layer resistance thickness p m Expanded polystyrene white graphite enhanced 20 to 40 Alsecco Spar Dash DIX receiver basecoat Glassfibre Mesh 32 Spar Dash aggregate finish 0 15 10 12 Maintenance and repair A 12 1 Regular checks should be made on the installed system including 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 e visual inspection to ensure that water is not leaking from external downpipes or gutters such leakage could 4 penetrate the rendering e necessary repairs 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 systems
36. vation 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 joints if required e areas where flexible sealants must be used e any alterations to external plumbing where required e the position of fire barriers 14 2 The survey should include tests conducted on the walls of the building by the Certificate holder or their approved installers 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 based on calculations using the test data and pull out resistance see section 7 4 3 All necessary repairs to the building structure must be completed before installation of the system commences 4 4 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 20 mm must be made good prior to installation to ensure that the insulation boards are installed with a smooth in plane finished surface 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 On existing buildings purpose ma
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