Technical Evaluation 7 / 12-1521 Render on wood fibre for houses and buildings with wooden framework Système d’isolation thermique extérieure de façade Pariso MOB FB - M External Thermal Insulation Composite System WärmedämmVerbundungsystem von Fassaden Holder : Société ParexLanko S.A. 19 place de la Résistance FR-92446 Issy-les-Moulineaux Cedex Tel : +33 (0)1 41 17 45 45 Fax : +33 (0)1 41 17 46 70 Email : [email protected] Internet : www.parexlanko.com Distributor : Société ParexLanko S.A. 19 place de la Résistance FR-92446 Issy-les-Moulineaux Cedex Tel : +33 (0)1 41 17 45 45 Fax : +33 (0)1 41 17 46 70 Email : [email protected] Internet : www.parexlanko.com Commission responsible for drawing up Technical Evaluations (decree of 21 March 2012) Specialised Group n° 7 Products and systems for complementary sealing and insulation of vertical walls Seen for registering on 25 April 2013 Office for the commission of Technical Evaluations CSTB, 84 avenue Jean Jaurès, Champs sur Marne, FR-77447 Marne la Vallée Cedex 2 Tel : 01 64 68 82 82 – Fax 01 60 05 70 37 – Internet : www.cstb.fr Technical Evaluations are published by the Office for Technical Evaluations, insured by the CSTB. Authenticated versions are available free on the CSTB internet site (http://www.cstb.fr) 1 © CSTB 2013 7/12-1521 On 3 July 2012, Specialised Group n° 7 “Products and Systems for the complementary sealing and insulation of vertical walls” from the Commission responsible for drawing up Technical Evaluations examined the request regarding the External Thermal Insulation Composite System PARISO MOB FB - M presented by PAREXLANKO S.A. This document transcribes the evaluation formulated by Specialised Group n° 7 on the subject of the implementation measures proposed in the Technical Document established by the applicant for using the procedure in the area of use specified. 1. Brief description 1.1 Brief description The system is successfully held on the substrate with mechanical fixings, the cohesion of the insulation and the adhesion of the render on to the insulation. External Thermal Insulation Composite System made up of a thin hydraulic binder-based base coat obtained from a powder mixed with water, reinforced with a fibreglass mesh and applied directly on to wood fibre panels fixed mechanically (with specialist fixings or staples) on to external walls of houses and buildings with a wooden framework. Wind resistance The finish is completed with: Checks to carry out (notably around the so called “C+D” rule) must take into account the following characteristics: Fire stability according to the rules applied to houses and buildings with wooden frameworks. Reaction to fire rating for the system is in conformity with standard NF EN 13501-1: - Euroclass B-s1, d0 for configurations with finishes SILICANE TALOCHÉ, EHI GM and EHI GF, and an insulation thickness below or equal to 100 mm, - Euroclass B-s1, d0 for configurations with finishes REVLANE+ IGNIFUGÉ and REVLANE+ SILOXANÉ IGNIFUGÉ, - Euroclass E for configurations with finish REVLANE SILOXANÉ PEINTURE, - Euroclass F (system not tested) for other configurations. Heating value of insulation DIFFUTHERM: 18.46 MJ/kg for thickness between 60 and 120 mm, i.e. 3.40 MJ/m2/mm thickness of insulation. The clad wall of the system does not fall within the scope of Technical Instructions no 249 relating to facades. When legally required, resistance to the vertical spread of fire via facades with openings must be proved by testing or through the opinion of the CECMI (Committee for Study and Classification of construction materials and elements in relation to fire hazard) which is based on an evaluation delivered by a laboratory competent in testing reaction and resistance to fire. - a facing based on an acrylic, acrylic siloxane or silicate binder or thick, sprayed hydraulic binder-based render acrylic siloxane binder-based paint applied onto an extra layer of base coat. Only for new substrates. 1.2 Identification Brand names and references for the system’s components are written on the packaging. 2. EVALUATION 2.1 Intended use For use on external walls of houses and buildings with a wooden framework which conform to Eurocode 5 and NF DTU 31.2, respecting the instructions of § 3.1 of the Technical Document. The wooden framework’s dimensions must follow the rules in place and a 5 mm maximum horizontal movement in the plane of the wall on a floor to ceiling height of 2.5m, i.e. a horizontal movement below or equal to 1/500th of the floor to ceiling height. External walls (the support panels for the system) must be made up of plywood panels certified NF Exterior CTB-X, chipboard panels certified CTB-H (must be at least category P5 for use in damp conditions), OSB/4 Option 1 certified CTB-OSB 4 panels and OSB/3 certified CTBOSB 3 panels, MDF RHW panels certified CTB-RH and laminated LVL panels with EC marking. All specified panels must conform to requirements of the Technical Requirements Document (§ 2.3) and § 3.1 of the Technical Document. In situation “a”, “b” and “c” from NF DTU 20.1, the height of the system is limited to R + 2 with a maximum of 9 m (without gable points). In situation “d” from NF DTU 20.1, the height of the system is limited to R + 1 with a maximum of 6 m (without gable points). Specified premises are those with low and medium humidity. It must first be checked that the system is compatible with the buildings concerned under relevant current fire safety rules. In particular, the system’s configurations with Euroclass F are limited to buildings under the Labour Code. 2.2 Suitability for use 2.21 Evaluation of the system Stability The system does not contribute to the overall stability of the construction, (the system must not be taken into account in the bracing of the building) nor to the resistance to impact affecting the risk of falls through the façade; these elements must be provided by the supporting wall. The system’s support panels must ensure the building’s bracing. The present Evaluation does not address the bracing function of the support panels. 2 The system’s wind resistance is recorded in tables 1a and 1b of the Technical Document; the partial safety factor on the resistance insulation/fixings (specialist fixings or staples) is taken as 4.6. Fire Safety Stability in seismic zones Within the limits of intended use covered in paragraph 2.1: The configurations of the system indicated in table 2 of the Technical Document are subject to limitations of use in seismic zones; these configurations can be applied: In seismicity zone 1 for buildings in importance categories I to IV, In seismicity zones 2 for buildings in importance categories I and II, for schools fulfilling the conditions in paragraph 1.1 of Rules of Earthquake-resistant Construction PS-MI 89 revised 92 (NF PO6-014). In seismicity zones 3 and 4 for buildings in importance category I and for buildings in importance category II fulfilling the conditions in paragraph 1.1 of Rules of Earthquakeresistant Construction PS-MI 89 revised 92. The other system configurations can be used in zones of seismicity 1 to 4 for buildings of importance categories I to IV. Furthermore, in zone of seismicity 2 for buildings of importance categories III and IV, as well as in zones of seismicity 3 and 4 for buildings of importance categories II to IV, the mesh must be mechanically attached to the substrate at the level of stops in the system at the perimeter and head of the building. Sealing The system does not ensure air tightness, which must be provided by the support wall. Water-tightness must be provided by the wall as a whole, including the external render and the insulation. 7/12-1521 Thermal Insulation 2.22 Durability and maintenance The system should meet the minimal requirements of current thermal regulations. This should be calculated on a case by case basis. The overall heat transfer coefficient of the substrate clad with the system, Up (W/m2.K) is expressed in the formula: Up = Uc + ∆U Uc: heat transfer coefficient for the entire wall, standard section (W/m2.K) ∆U: correction term linked to the impact of thermal bridges caused by the substrate’s wooden posts and the system’s dowels (W/m 2.K) Uc is expressed by the formula: Uc = RETICS: system’s thermal resistance (m2.K/W) Rsubstrate: support wall’s thermal resistance (m2.K/W) Rse : external superficial thermal resistance (m2.K/W) Rsi: internal superficial thermal resistance (m2.K/W) RETICS is given by the formula: RETICS = Rinsulation + Rrender Rinsulation is taken as the value certified by ACERMI (Association for the Certification of Insulating Materials). Rrender is taken as approximately 0.02 m 2.K/W. The sum Rse + Rsi is taken as 0.17 m2.K/W, by applying the Rules ThU. If the thermal resistance of the RETICS system cannot be calculated, it can be measured in conformity with standard NF EN 1934. ∆U is given by the formula: The support wall’s durability is improved by applying the system, due to the protection from external forces that it brings. For system configurations with finishes EHI GM and EHI GF, attachment and functional properties (thermal insulation, permeability etc.) are not affected when micro-fissures happen to appear. The render system’s (base render + finish) characteristics allow effective protection of external insulation from the risks of accumulated humidity. Nonetheless, special points must be treated very thoroughly, particularly the ledges of openings and projections from lower sections. Follow the recommendations given in the Technical Document closely. Maintenance may be necessary within 10 years due to the build-up of dirt from exposure in an urban or industrial area or the development of micro-organisms. The fitness for use and durability of the maintenance systems are not covered in the present Evaluation. 2.23 Manufacture and testing The base product, primer products and finishing coatings SILICANE TALOCHÉ, REVLANE SILOXANÉ PEINTURE, EHI GM and EHI GF are subject to a systematic internal production control, as described in the inspection plan associated with the European Technical Approval ETA-04/0014 (Pariso PSE – M system). The other main components (except mechanical fixings) are subject to a systematic internal production control, the results of which are recorded and stored at the factory. 2.24 Application All components are applied in situ. This evaluation does not cover partial or total manufacture in a factory or workshop. The following elements are vital for this system: thorough survey of the substrate, careful application particularly around difficult areas, choice of type and number of fixings, the overall levelness of insulating panels, quantities of render applied and evenness of application. Insulating panels are not meant to be fixed directly on to the framework posts to create an enclosed cavity wall. Ψi: coefficient of linear thermal transfer around the wooden posts in the framework (W/m.K). In the absence of a specific study, the following values must be taken into account: 0.02 W/m.K for a single post; 0.03 W/m.K for a double post; 0.04 W/m.K for a triple post (these values are valid for wooden posts of about 50 mm thickness). Ei: centre to centre distance between the wooden posts (m) n: number of fixings per m2 Xp: specific thermal transmission coefficient of fixing (W/K). In the absence of a specific study, the following values must be taken into account: 0.002 W/K for specialist fixings; 0.0007 W/K for a staple. The base render MAITÉ Monocomposant must be applied very carefully, particularly when the finishing coating is thin and therefore does not cover up any aesthetic faults. 2.2 Technical requirements documents 2.31 Conception The choice and density of fixings is determined according to wind loadings. The design strength against wind action with negative pressure must be equal to or above: Environmental and health data There is no Environmental and Health Declaration Sheet (FDES) for the system. FDES are not part of the system’s fitness for use testing. Prevention of accidents, control of accidents and control of risks during application and maintenance System components are the object of individual environmental and health declaration sheets available from the holder, which deal with the potential presence of dangerous substances and the risk phrases and associated safety instructions. The environmental and health declaration sheet’s goal is to inform the user of these components about the potential dangers linked to their application and about preventative measures to be taken to avoid them, particularly wearing Personal Protective Equipment. Other technical information 3 The system’s reaction to static loads in service (ladder support for example) is satisfactory. The system’s resistance to shocks leads to the categories of use outlined in table 3 of the Technical Document. The negative pressure load due to normal wind (calculated according to Rules NV 65) multiplied by a coefficient equal to 1.75 or The characteristic pressure load due to wind (calculated according to Eurocode 1) multiplied by a coefficient equal to 1.5. 2.32 Conditions of use and application Only use the components listed in § 1 of the Technical Document. External insulation must always be applied after the whole structure of the building has been covered and sealed. The vapour barrier film, placed on the inside of the wall, must give an air thickness equivalent to at least 90 m. Humidity of support panels on delivery must be between 8 and 12 %. Support panels must be protected from water immediately. When there is a risk of exposure to bad weather, the company which installed the support panels must protect them effectively with tarpaulin. Renders must be applied in conformity with the “Technical requirements document for use and application of external thermal insulation composite systems on expanded polystyrene” (CSTB document 3035), referred to in the text as “CPT thin render on expanded polystyrene”. 7/12-1521 Only mechanical fixing of insulating panels with no previous bonding is dealt with. Attaching fixings (specialist fixings or staples) must be carried out in conformity with fixing plans in Technical Document; fixings must always be placed at right angles to the framework posts. Non-conforming fixings must never be used. Particular care must be paid to removing any possible differences in level between insulating panels. The specialist fixings must only be inserted flush. Open joints (2 to 10 mm gaps) between insulating panels must be filled in carefully using hemp oakum or wood fibre. Do not use damaged insulating panels (broken corners, etc.). The mesh must be completely embedded in the base layer. In cold and wet weather, the base render may take several days to dry. The base render must only be applied when there is no frost risk in the 24 hours following application. After drying, the minimal thickness of the base layer must be 3.5 mm. During later checks, a minimal value of 20% below this may be accepted as an exception. Do not apply an undercoat before finishes EHI GM and EHI GF. To limit the risk of cracking, adhere to the conditions of application laid out in the Technical Document for configuration of the system with finishes EHI GM and EHI GF, in particular: - Make sure there are no differences in level between insulating panels and keep to application thicknesses, in order to avoid variations of thickness and renders that are too thick, Follow existing movement joints and create separating joints at difficult junctions in the render (ends of bay ledges etc.) to avoid contact with the render. For a smooth finish with paint REVLANE SILOXANÉ PEINTURE, carefully apply an extra layer of sufficiently smooth base render. 2.32 Technical assistance PAREXLANKO SA will give technical assistance to any company using the system which requests it. 3. Additional comments from the Specialised Group When applying this system to substrates for houses and buildings with wooden frameworks: always check that the wall has limited water vapour permeance before applying external insulation (water vapour barrier according to Technical Document), take all necessary measures to keep the substrates dry before applying insulating panels, work carefully and competently around difficult areas, particularly ledges and frames of openings. This external thermal insulation system is designed to be applied on substrates of houses and buildings with wooden frameworks, constructed in conformity with NF DTU 31.2 and with dimensions that present a maximum horizontal movement below or equal to 1/500th of the height wall to ceiling of a floor, with a maximum spacing of vertical posts of 60 cm. Particular attention must be paid to protecting the insulating panels against inclement weather during application and before rendering. The low consumption finishing product SILICANE TALOCHÉ does not conceal any uneven areas well. Therefore apply the base coat very carefully and respect the minimum consumption for finishing products noted in the Technical Document, even if it can be applied more thinly on other substrates. For the smooth finish REVLANE SILOXANÉ PEINTURE, the appearance of the extra base render will impact the final appearance of the system. The configuration of the system according to Euroclass F is limited to buildings under the Labour Code. Reporter from Specialised Group no 7 Christine GILLIOT Conclusions Overall assessment Favourable assessment of the system for use in the proposed area. Validity Until 2 July 2014 For Specialised Group no 7 Vice-President Laurence DUCAMP 4 7/12-1521 Technical Document established by the applicant A. Description 1.13 Base product Thermal insulation system for application on external walls of new houses and buildings with wooden frameworks conforming to NF DTU 31.2. The frameworks of these houses and buildings have been calculated to limit horizontal movement to less than 1/500th under normal wind conditions. MAITÉ MONOCOMPOSANT: powder to mix with approximately 17% in weight of water, based on white cement, micronized vinyl copolymer, mineral pigments, carbonate and silica fillers and specific admixtures. The system is made up of a thin hydraulic-binder based base coat, obtained by mixing a powder with water, reinforced with a fibreglass mesh and applied on to rigid panels of wood fibre fixed mechanically on to the substrate by specialist fixings or staples. 1.14 Foundation meshes The finish is made up of: - a facing based on an acrylic, acrylic siloxane or silicate binder, or - a sprayed thick hydraulic-binder based render, or - an acrylic siloxane binder-based paint applied on to an extra lower of base coat. 1. Components The substrate is made up of plywood panels certified NF External CTB-X, chipboard panels certified CTB-H (must be at least category P5 for use in damp conditions), OSB/4 (option 1) certified CTB-OSB 4 panels or OSB/3 certified CTB-OSB 3 panels, MDF RHW panels certified CTB-RH or laminated LVL panels with an EC mark, used in external walls of houses and buildings conforming to NF DTU 31.2 and respecting the requirements of § 3.1 of the Technical Document. 1.2 Main components 1.11 Insulating panels DIFFUTHERM rigid panels in wood fibre (PAVATEX) conforming to standard EN 13171, dimensions 1290 x 780 mm (typical size) and thickness between 60 mm and 120 mm, with tongue and groove 4 edges for interlocking fit. These panels come under valid ACERMI certification. Certified characteristics - Reaction to fire: Euroclass E - Thermal conductivity (W/m.K): 0.046 - Thickness tolerances: T4 - Resistance to traction perpendicular to surfaces: TR5 - Short term water absorption by partial immersion: WS1.0 - Compressive strength: CS(10/Y)70 - Resistance to air flow: AF100 - Transmission of water vapour: MU5 Dimensional stability according to standard NF EN 1604: DS(70,-)2 Storage: panels must be stored in dry, frost free conditions protected from physical shocks. Open packaging as close as possible to where they are to be installed. R 131 A101 C+ Saint-Gobain Adfors R 131 A102 C+ Saint-Gobain Adfors Industries cf. ETA-04/0014) 1.15 Primer products REVLANE+ REGULATEUR: ready to use pigmented liquid, to apply before all finishing coatings REVLANE+ IGNIFUGÉ RIBBÉ, REVLANE+ IGNIFUGÉ TALOCHÉ and REVLANE+ SILOXANÉ IGNIFUGÉ. Characteristics: cf. ETA-04/0014 Packaging: 20 kg plastic buckets SILICANE FOND: silicate binder-based colourless liquid, to mix with SILICANE PEINTURE to blend colour and apply before finishing coating SILICANE TALOCHÉ. Characteristics: cf. ETA-04/0014 Packaging: 5 L or 25 L plastic cans. SILICANE PEINTURE: silicate binder-based liquid to mix with SILICANE FOND. Characteristics: cf. ETA-04/0014 Packaging: plastic 16 L buckets 1.16 Finishing coatings REVLANE+ IGNIFUGÉ RIBBÉ: ready to use, acrylic binder-based pastes, for drag textured finish. Specialist fixings: fixings made of a perforated plastic disc of 60 mm diameter (with an insulating plug) and a galvanised steel wood screw 6 mm diameter: - Ejotherm STR H (Ejot) - Termofix 6H (Fischer) Screw length is chosen depending on insulation depth; sealing caps are applied ‘flush’ with insulation (cf figure 2a) Particle sizes (mm): - REVLANE+ IGNIFUGÉ RIBBÉ FIN: 1.6 - REVLANE+ IGNIFUGÉ RIBBÉ GROS: 2.5 Characteristics: - REVLANE+ IGNIFUGÉ RIBBÉ FIN Density: 1.7 ± 0.1 pH: 8.9 ± 0.7 Dry extract (%): 84 ± 2 Ash content at 450ºC (%): 77 ± 2 - REVLANE+ IGNIFUGÉ RIBBÉ GROS Density: 1.75 ± 0.1 pH: 8.9 ± 0.7 Dry extract (%): 87 ± 2 Ash content at 450ºC (%): 79 ± 2 Packaging: 25 kg plastic buckets REVLANE+ IGNIFUGÉ TALOCHÉ: ready to use, acrylic binder-based pastes, for drag textured finish. Choose staple length according to insulation depth (cf. figure 3a). 5 Normal foundation meshes specified in ETA-04/0014 which are part of a valid CSTBat Certificate, with the following performance: T ≥ 1 Ra ≥ 1 M = 2 E ≥ 1 Reference Company Reinforced foundation mesh: ARS 208 (Chomarat Textiles 1.12 Mechanical fixings for insulation Staples: stainless steel or galvanised steel staples (27 mm crown, diameter of thread 2mm) placed with a pneumatic staple gun: - Haubold - Alsafix - Senco Characteristics: cf ETA-04/0014 Packaging: 30 kg paper sacks Particle sizes (mm): - REVLANE+ IGNIFUGÉ TALOCHÉ FIN: 1.0 - REVLANE+ IGNIFUGÉ TALOCHÉ GROS: 1.6 Characteristics: - REVLANE+ IGNIFUGÉ TALOCHÉ FIN Density: 1.75 ± 0.1 pH: 8.9 ± 0.7 Dry extract (%): 85 ± 2 7/12-1521 Ash content at 450ºC (%): 78 ± 2 - REVLANE+ IGNIFUGÉ TALOCHÉ GROS Density: 1.75 ± 0.1 pH: 8.9 ± 0.7 Dry extract (%): 82.5 ± 2.5 Ash content at 450ºC (%): 75 ± 2 Packaging: 25 kg plastic buckets REVLANE+ SILOXANÉ IGNIFUGÉ: acrylic siloxane binder-based ready to use pastes, for a float smoothed finish (REVLANE+ SILOXANÉ IGNIFUGÉ TF) or drag textured (REVLANE+ SILOXANÉ IGNIFUGÉ RB). Particle sizes (mm): - REVLANE SILOXANÉ IGNIFUGÉ TF: 1.0 - REVLANE SILOXANÉ IGNIFUGÉ RB: 1.6 Characteristics: - REVLANE+ SILOXANÉ IGNIFUGÉ TF Density: 1.75 ± 0.1 pH: 8.9 ± 0.7 Dry extract (%): 85 ± 2 Ash content at 450ºC (%): 78 ± 2 - REVLANE+ SILOXANÉ IGNIFUGÉ RB Density: 1.7 ± 0.1 pH: 8.9 ± 0.7 Dry extract (%): 84 ± 2 Ash content at 450ºC (%): 77 ± 2 Packaging: plastic 25 kg buckets 2. Manufacture and controls 2.1 Manufacture The manufacture of the base product, primer products and finishing coatings SILICANE TALOCHÉ, REVLANE SILOXANÉ PEINTURE, EHI GM and EHI GF, as well as the statement of conformity are defined in ETA-04/0014. The manufacture of the other main components is part of a systematic internal check, with result recorded in a register in the factories. Primer product REVLANE+ REGULATEUR and paint REVLANE SILOXANÉ PEINTURE are manufactured in the Zolpan factory in La Bridoire (73). Finishing coatings REVLANE+ IGNIFUGÉ TALOCHÉ, REVLANE+ IGNIFUGÉ RIBBÉ and REVLANE+ SILOXANÉ IGNIFUGÉ are manufactured at the Zolpan factory at La Bridoire (73) and the ParexGroup factory at Malesherbes (45). Finishing coating SILICANE TALOCHÉ and primer product SILICANE PEINTURE are manufactured at the Materis Paints factory at Cassano Valcuvia (Italy). Base product MAITÉ MONOCOMPOSANT and finishing coatings EHI GM and EHI GF are manufactured at the ParexGroup factory at Malesherbes (45). 2.2 Checks SILICANE TALOCHÉ: ready to use, silicate binder-based paste, for float smoothed finish. Particle size (mm):1.0 Characteristics: cf. ETA-04/0014 Packaging: 25 kg plastic buckets MAITÉ MONOCOMPOSANT with REVLANE SILOXANÉ PEINTURE: product identical to base product (cf.§ 1.13), covered with one of the smooth finishes describes in § 1.17. Checks or measures taken by the holder to check on the consistent quality of the base product, the primer products and the finishing coating SILICANE TALOCHÉ, REVLANE SILOXANÉ PEINTURE, EHI GM and EHI GF are listed in the test plan associated with ETA-04/0014. The other main components (except mechanical fixings) are subject to a production check in the factory which is identical to the main components of an external insulation system by render which benefits from European Technical Approval. 3. Application EHI GM and EHI GF: powders to mix with water and spray on, for a spray textured, smooth textured or scraped finish. 3.1 Substrate make-up The make-up of a load bearing wall (cf. figure 1) is in NF DTU 31.2. The wall must be made up of (from interior to exterior): Maximum particle sizes (mm): - EHI GM: 3.0 - EHI GF: 2.0 Characteristics: cf. ETA-04/0014 Packaging: 30 kg paper sacks. 1.17 Smooth Finish Façade paint REVLANE SILOXANÉ PEINTURE (ready to use acrylic siloxane binder-based liquid) to be applied on to previous application of one layer of base render. Characteristics: cf. ETA-04/0014 Packaging: 16 L plastic buckets. 1.2 Accessories Connecting profiles and cover profiles, in particular: - Stop profiles in perforated aluminium alloy or PVC, 5/10 mm minimum thickness and wing length of 20 mm. - Starter profiles in aluminium alloy 10/10 mm minimum thickness Non corrodible fixings compatible with profiles (electro-zinc coated). No galvanised or cadmium-plated screws in direct contact with metal profiles. Corner rails in aluminium alloy or PVC: reference IA1, IA7-1, IA3 and IA4. Connecting profile: reference IPPF. Draught proofing products conforming to “CPT for thin render on expanded polystyrene” - Mastic 603 COL’JOINT FLEX (Parex Group) or similar product, - Pre-compressed impregnated strips of foam. Band of refined hemp, titration 8 ktex (approximately 8 to 9 g/ml), produced by Filatura Pettinata Mello Di Mello and commercialised in France by MK2T SAS, or similar product, for filling any open joints between insulation panels. an interior facing, service void vapour barrier with Sd (air thickness equivalent) of above or equal to 90 m, a vertical wooden framework with a cavity between posts at between 45 and 60 cm intervals, with interposition of insulation, supporting panels creating a closed cavity wall. If the bracing is applied on the interior, the panel involved must be between the vapour barrier and the vertical wooden framework. Suitable supporting panels are as follows: plywood panels certified NF Exterior CTB-X, minimum thickness 9 mm chipboard panels certified CTB-H, minimum thickness 10 mm, at least category P5 for use in humid conditions, OSB/4 panels certified CTB-OSB 4 and OSB/3 panels, certified CTB-OSB-3, minimum thickness 9 mm, MDF RHW panels (conforming to standard NF EN 622-5), certified CTB-RH, minimum thickness 15 mm, Laminated LVL panels with EU statement of conformity level 1, minimum thickness 15 mm, conforming to NF EN 14279 type 2S or 3S. 3.2 General application conditions Application of renders is carried out in conformity with the “Technical requirements document for the use and application of external thermal insulation systems on expanded polystyrene” (CSTB Document 3035) hereafter referred to as “CPT thin render on expanded polystyrene”. In wet and damp weather, the adhesive and base render may take several days to dry. The base render must be applied when there is no frost risk in the 24 hours following application. Apply the external insulation after the house’s structure has been closed, covered and sealed. The support wall must be airtight before applying the system. 6 7/12-1521 3.3 Specific application conditions 3.31 Applying insulating panels Supporting walls must be dry. Protect these walls from damp if necessary. The insulating panels are applied with staggered joints starting from the starter profile. Minimum gap between vertical joints must be 20 cm (an ideal half panel). Place insulating panels with the groove upwards and fully interlocking. Application conditions for base render MAITÉ MONOCOMPOSANT Manual application in 2 layers with drying time between layers: - Check regularly that the insulating panels are level. Ensure that panels are crossed at the vertical corners of the building (in a toothed, brick bond type pattern). Cut off the tongues at corner connections and fill in the hollows of exposed grooves with the same insulation material. No joints between insulating panels in the extensions of corners of bays, joists and other construction elements (minimum panel size 20 cm). No gaps greater than 1mm between insulating panels. Fill all gaps with the same insulating material. Do not apply wet, damaged, deformed or dirty panels. Insulating panels are fixed to the substrate (at right angles to posts) by specialist fixings or staples, with no previous adhesion. 3.311 Fixing with specialist components The designated screws are pushed through the sealing caps and insulation then screwed into the substrate. Depth of anchorage must be at least 30 mm into the framework posts (cf figure 2a). Whole part to be screwed on must be flush with insulation surface. Distance from screw shaft to insulating panel sides is approximately 80 mm. Screws must be positioned at right angles to framework posts, at the rate of at least 2 screws per post for a 780 mm high insulating panel, i.e. at least 4 screws per whole panel in standard section. Screw plan in standard section: cf figure 2b. Staples must be inserted with pneumatic stapler. Depth of anchorage must be at least 30 mm in framework posts (cf figure 3a) Staple must penetrate between 2 and 3 mm into insulating panel. Distance between staples must be 100 to 150 mm depending on depth of insulation. Distance from insulating panel edges is approximately 30 mm. Angle of staple crown to horizontal must be 30 to 60°; penetration angle of staples to horizontal must be below 10°. Position staples at right angles to framework posts, at a rate of at least 6 staples per post for a 780 mm high panel, i.e. at least 12 staples per panel in standard section. Stapling plan in standard section: cf figure 3b. 3.312 Fixing in difficult areas Additional fixings are applied in lower and higher parts, around openings and in internal and external corners. These fixings must be anchored into the vertical reinforcement posts or in lintel cross beams (cf figures 4 to 6) 3.32 Special measures For fixings that have been accidentally pushed in too far: cover the head of the fixing (sealing cap of screw or staple crown) with MAITE MONOCOMPOSANT prepared as described in §3.33, then leave to dry for approximately 24 hours before applying base render. Fill open joints (width below or equal to 10 mm) with hemp oakum or wood fibre. 3.33 Application of base render in standard sections Sand down wood fibre panels using a sanding block with an abrasive coarse grain to remove any uneven areas. Manual application in 2 layers of so called ‘fresh on fresh’: - Application of a 1st layer, at a rate of approximately 3.3 kg/m2 powder product with notched float no 12. - Embed reinforcement with stainless steel smoothing trowel - Allow at least 2 hours for drying. - Apply 2nd layer at a rate of: o approximately 2.4 kg/m2 powder product with notched float no 12 for EHI GM or EHI GF finishes. Leave this 2nd layer notched, o approximately 1.5 kg/m2 powder product with stainless steel float for the other finishes or 3.312 Fixing with staples Apply 1st layer at a rate of approximately 3.3 kg/m2 powder product with notched float no 12 Embed mesh with stainless steel smoothing trowel Allow to dry for 24 hours Apply 2nd layer at a rate of: o approximately 2.4 kg/m2 powder product with notched float no 12 for EHI GM or EHI GF finish. Leave this 2nd layer notched, o approximately 1.5 kg/m2 powder product with stainless steel float for the other finishes, or Joints between insulating panels must not line up with joints between support panels. Leave to rest for 5 to 10 minutes before applying. Pot life: 2 hours. Mechanised application in a single layer: - Apply smoothly in successive passes, with render machine with lance for paste products with 6 or 8 mm nozzle, until full load has been applied: - of 5.8 kg/m2 of powder product for EHI GM and EHI GF finishes, - of 4.9 kg/m2 of powder product for other finishes - Embed mesh with stainless steel float - Smooth and level with notched trowel for EHI GM and EHI GF finishes or with render blade for other finishes. Minimum thickness of base layer when dry 3.5 mm. Waiting times before a further intervention At least 12 hours for other finishes, but check that the base layer is sufficiently hard. If not, wait at least 24 hours. 3.34 Application of primer products REVLANE+ RÉGULATEUR: product to apply before REVLANE+ IGNIFUGÉ RIBBÉ, REVLANE+ IGNIFUGÉ TALOCHÉ and REVLANE SILOXANÉ IGNIFUGÉ finishes. Preparation: re-homogenise with paddle mixer. Method of application: with a brush or long-nap roller. Minimum consumption: 0.2 kg/m 2 Drying time: approximately 6 hours depending on weather. SILICANE FOND: apply product before SILICANE TALOCHÉ finish. Preparation: mix with 100% in weight SILICANE PEINTURE to obtain the same colour as SILICANE TALOCHÉ. Method of application: with brush or long nap roller. Minimum consumption: 0.10 kg/m2 of prepared product. Drying time: at least 24 hours depending on weather. 3.35 Application of finishing products REVLANE+ IGNIFUGÉ RIBBÉ Method of application: with stainless steel float then rub with plastic smoothing trowel to obtain the drag textured finish. Minimum consumption: ( kg/m2): REVLANE+ IGNIFUGÉ RIBBÉ FIN: 2.5 REVLANE+ IGNIFUGÉ RIBBÉ GROS: 3.0 Preparation of base render MAITÉ MONOCOMPOSANT 7 Mix the powder with 17% weight of water (approximately 5.1 L of water per 30 kg bag) with a paddle mixer. 7/12-1521 REVLANE+ IGNIFUGÉ TALOCHÉ. - - Method of application: with stainless steel float then rub with stainless steel smoothing trowel in order to compact grains perfectly to obtain float smoothed finish. Minimum consumption: ( kg/m2): REVLANE+ IGNIFUGÉ TALOCHÉ FIN: 2.2 REVLANE+ IGNIFUGÉ TALOCHÉ GROS: 2.7 REVLANE SILOXANÉ IGNIFUGÉ Method of application: with stainless steel float then rub with stainless steel smoothing trowel to compact grains to obtain float smoothed finish (REVLANE SILOXANÉ IGNIFUGÉ TF) or rub with plastic smoothing trowel to obtain drag textured finish (REVLANE SILOXANÉ IGNIFUGÉ RB). Minimum consumption: ( kg/m2): REVLANE+ SILOXANÉ IGNIFUGÉ TF: 2.4 REVLANE+ SILOXANÉ IGNIFUGÉ RB: 2.0 SILICANE TALOCHÉ Method of application: with float; allow to firm up and compact product with stainless steel float (fine float smoothed) or felt with sponge float. Minimum consumption: ( kg/m2): 1.5 - Apply finishing coat, compacted down, to a thickness of about 10 to 11 mm. As soon as the render has hardened sufficiently (several hours or the next day, depending on the temperature), remove the top layer of render with a scraper. Thickness after scraping is about 8 to 9 mm. Minimum consumption ((kg/ m2): 16 (powder product). 3.36 Treatment of difficult areas Difficult areas must be treated according to the “CPT Thin Render on expanded polystyrene” with the exception of the substrate. At DPC level, start with an aluminium base rail profile with integrated drip screwed on to the substrate. Wood panels must be completely covered, eliminating all risk of water stagnating at the foot of the wooden framework and limiting the thermal bridge at floor junctions. Always install woodwork and opening frames before insulation and complete the junction between them with a strip of impregnated precompressed foam or a connecting profile. Cover reveals with insulating boards with straight edges (thickness will depend). MAITÉ MONOCOMPOSANT with REVLANE SILOXANÉ PEINTURE Prepare MAITÉ MONOCOMPOSANT as described in § 3.33. Apply MAITÉ MONOCOMPOSANT with stainless steel float in one regular and careful pass, at a rate of 2.0 kg/m 2 of powder product. Leave to dry for at least 24 hours. Re-homogenise REVLANE SILOXANÉ PEINTURE with paddle mixer. Apply REVLANE SILOXANÉ PEINTURE with roller or brush; apply in 2 coats at a rate of 0.2 kg/m 2 per coat, with minimum drying time of 24 hours between coats. EHI GM Preparation: mix powder with approximately 23% in weight of water (approximately 7 L water per 30 kg sack). Concrete mixer or paddle mixer of spray render machine for mortars must be used, with whole bags, for 3 to 5 minutes. Pot time: approximately 1 hour. Method of application: with spraying pot (‘magic cone’ from Putzmeister or similar) or spray render machine Spray textured or smooth textured finish: Apply finishing coat in 2 layers, with the first one about 5 mm thick As soon as the first one has firmed up, spray the second (thickness: 5 to 6 mm). For the spray textured finish, leave the second layer as it is, for smooth textured finish, compact it down with a stainless steel smoothing trowel or a plastic trowel. Minimum consumption ((kg/ m2): 14 (powder product) Scraped finish: Apply finishing coat, compacted down, to a thickness of about 13 mm. As soon as the render has hardened sufficiently (several hours or the next day, depending on the temperature), remove the top layer of render with a scraper. Minimum consumption ((kg/ m2): 16 (powder product) EHI GF 8 Preparation: mix powder with approximately 26 to 27% in weight of water (7.8 to 8.1 L water per 30 kg sack). Concrete mixer or paddle mixer of spray render machine for mortars must be used, by whole bag, for 3 to 5 minutes. Pot time: approximately 1 hour. Method of application: with spraying pot or spray render machine Spray textured or smooth textured finish: Apply finishing coat in 2 layers, with the first one about 5 mm thick As soon as the first one has firmed up, spray the second (thickness: 5 to 6 mm). For the spray textured finish, leave the second layer as it is, for smooth textured finish, compact it down with a stainless steel smoothing trowel or a plastic trowel. Minimum consumption ((kg/ m2): 14 (powder product) Scraped finish: Always end insulation with strips of impregnated pre-compressed foam. It is essential to treat sealing around bays to avoid any accidental penetration of liquid water. To this end, keep to the following instructions: Treatment of bay ledge When the window ledge does not take the total thickness of the external insulation, cover the upper section of insulation with the reinforced base layer at the level of the bay ledge. An added flashing trim then covers this part; this flashing trim must conform to requirements in paragraph 5.1.7 of NF DTU 36.5 P1-1 and also requirements in CSTB document 3709 of May 2012. For supporting flashing trim with ends caps, deal with the ledge ends by applying mastic to the base of the joint between the flashing trim and the base render. The flashing trim must be placed before the finishing coating. For a ledge over 1.2 m, provide a flashing trim in two parts with intermediary expansion joint or when use a flashing trim without end caps ensure there is sufficient end support. For supporting flashings without end caps, always provide end supports, attached with mastic on to the insulation, which will let run-off water drain away. In both cases, apply mastic 603 COL’JOINT FLEX in lines to fuse the flashing trim to the system and to improve adherence and sealing. Furthermore, use a second mechanical fixing (bracket attachment for example) on the flashing trim at the intermediate joint between flashing trims or for flashing trims that are 3m or longer. Treatment of horizontal corners on underside To deal with horizontal angles on underside (for example arches), position ridge reinforcements with a drip loop in the base render. Draught proofing between render and woodwork Draught proofing at connection between render and woodwork must be carefully applied with a mastic joint of 603 COL’JOINT FLEX or a connecting profile IPPF. 4. Technical Assistance PAREXLANKO will, on request, provide information and assistance to users in relation to the use of a specific product. Such assistance shall not be associated with structural and design conception, nor assume or accept liability for compliance of substrates, nor compliance to instructions provided. 7/12-1521 5. Maintenance, renovation and repair Maintenance and renovation must be carried out in conformity with the Professional Rules for the maintenance and renovation of external thermal insulation systems “ETICS” from the FFB (UPPF and SFJF) – December 2004 edition of DTSB, revision January 2010. To this end, PAREXLANKO proposes the following treatments: - On system adhering to substrate and in generally good condition, cleaned beforehand: apply PEI MAT, On system in generally good condition, potentially with microcracking or micro-fissures (with exception of fissures located at right angles to joints between insulating panels): apply REVLANE SOUPLE PEINTURE. These coatings must be applied in conformity with their Technical Specification Data. Repairing damage due to impact should be carried out in conformity with the “CPT thin render on expanded polystyrene’. B. Experimental Results European Technical Agreement ETA-04/0014. Test report CSTB n° R2EM/EM 12-001: fitness for use of system. Test report Fraunhofer WKI n° U 925 / 2003: failure of fixings in insulating panels and tearing out of fixings in wood. Reports from CSTB classification n° RA12-0412, RA12-0415 and RA12-0416: fire reaction of system. FCBA test report n°404/12/189: superior heating value of insulation. MFPA test report Leipzig n° PB 4.1/12-26-1: dimensional stability of insulating panels according to EN 1604. Test report Fraunhofer WKI n° Bauko-2012-020: durability of insulation DIFFUTHERM base render examined on site. Test report FCBA n° 401/12/163Z/1: resistance of DIFFUTHERM insulation to the development of moulds. C. References C1. Environmental and health data1 The system is not part of an Environmental and Health Declaration (FDES). Data from FDES’s are aimed at calculating the environmental impact of structures in which the products or procedures may be used. C2.Other references Date of first applications: 2009. Size of current completed work: approximately 6000m 2. 1 not examined by the Specialised Group in the framework of this evaluation. 9 7/12-1521 Table and figures for Technical Document Table 1a: System attached with 60 mm diameter specialist fixings: design strength to wind action with negative pressure, shown in Pa (e: insulation thickness in mm) Number of screws with sealing cap per panel 60 mm ≤ e < 100 mm e ≥ 100 mm 4 6 915 1375 2455 3680 Table 1b: System attached with staples: design strength to wind action with negative pressure, shown in Pa (e : insulation thickness in mm) Number of staples per panel e ≥ 60 mm 12 14 16 2085 2435 2785 Table 2: Restrictions to use in seismic zones (thicknesses of insulation for which there are restrictions) Render systems: Base layer + Finishing coatings as listed below: - REVLANE+ IGNIFUGÉ TALOCHÉ FIN / GROS - REVLANE+ IGNIFUGÉ RIBBÉ FIN / GROS - REVLANE+ SILOXANÉ IGNIFUGÉ TF / RB - SILICANE TALOCHÉ - MAITÉ with REVLANE SILOXANÉ PEINTURE - EHI GM spray textured, smooth textured or scraped - EHI GF spray textured, smooth textured or scraped 10 Restrictions of use in seismic zones Thickness of insulation > 60 mm Any thickness of insulation 7/12-1521 Table 3: Shock resistance and conservation of performance: categories of use for the system Render systems: Base layer + Finishing coatings as listed below: - REVLANE+ IGNIFUGÉ TALOCHÉ FIN / GROS - REVLANE+ IGNIFUGÉ RIBBÉ FIN / GROS - REVLANE+ SILOXANÉ IGNIFUGÉ TF / RB - SILICANE TALOCHÉ - MAITÉ with REVLANE SILOXANÉ PEINTURE - EHI GM spray textured, smooth textured or scraped - EHI GF spray textured, smooth textured or scraped Normal single mesh Category II Normal double mesh Reinforced mesh + normal mesh Category I Category I Category II: zone exposed to more or less violent impacts (objects being thrown or strikes), but in public places where The height of the system limits the extent of impact; or at lower levels when access to the building is mainly by caretakers. Category I: zone easily accessible to public at ground level and vulnerable to blows from heavy objects but not subject to unusually severe use. Render system Mesh DIFFUTHERM panels Supporting panel Insulation between posts Framework (post) Counter-framework Vapour barrier Internal facing Lower rail Insulation and screed Concrete soffit Figure 1: Principle of Pariso MOB FB-M system (fixings for panels not represented) 11 7/12-1521 Length of anchor over E + e + 30 mm Anchoring in post > 30 mm Thickness of insulation = E Thickness of panel = e Figure 2a: Attaching insulating panels with specialist fixngs (vertical cross-section) 12 7/12-1521 4 specialist fixings per panel (2 fixings per post) 6 specialist fixings per panel (2 fixings per post) Figure 2b: Attaching insulating panels with specialist fixings – fixing plans of in standard section 13 7/12-1521 Length of staple over E + e + 30 mm Penetration into insulation 2 to 3 mm Anchorage in the post > 30 mm < to 10º Thickness of insulation = E Thickness of panel = e Figure 3a: Attaching insulating panels with staples (vertical cross section) 14 7/12-1521 12 staples per panel (6 staples per post) 14 staples per panel (7 staples per post) 15 7/12-1521 16 staples per panel (8 staples per post) Figure 3b: Attaching insulating panels with staples - fixing plan in standard section 1 – Shuttered concrete 2 – Mechanical fixing 3 – Lower cross beam 4 – Bottom plate 5 - Supporting panel 6 - Horizontal batten 7 – Insulation between posts 8 – Plasterboard 9 – Wood fibre panel 10 – Mesh 11 – Render system 12 – Starter profile 13 – Beam 14 – Beam stop end 15 –Joist edge 16 – Interior facing 17 – Vapour barrier 18 – Insulation 19 – Floor insulation 20 – Coating for tiled floor 21 – Acrylic or silicane joint 22 – Interface wood / tiling 23 – Bituminous felt Figure 4: Mechanical fixings in lower part (vertical cross-section) 16 7/12-1521 1 – Vertical post 2 – Reinforcement post 3 – Mechanical fixing 4 – Supporting panel 5 - Vapour barrier 6 - Horizontal batten 7 – Insulation between posts 8 – Interior facing 9 – Wood fibre panel 10 – Mesh 11 – Render system 12 – Acrylic or silicone joint Figure 5a: Mechanical fixings on external corners (horizontal cross-section) 1 – Vertical post Exterior 2 – Reinforcement post 3 – Mechanical fixing 4 – Supporting panel 5 - Vapour barrier 6 - Horizontal batten 7 – Insulation between posts 8 – Interior facing 9 – Wood fibre panel 10 – Mesh Interior 11 – Render system Figure Figure 5b: Mechanical fixings on internal corners (horizontal cross-section) 17 7/12-1521 1 – Insulation between posts 2 – Lintel cross beam 3 – Interior facing 4 – Horizontal batten 5 - Vapour barrier 6 – Watertight joint 7 – Wedge 8 – Water- and air-tight joint 9 – Supporting panel 10 – Wood fibre panel 11 – Mesh 12 – Render system 13 – Mechanical fixing 14 – Weather moulding in powder coated aluminium 15 – Woodwork 16 – Impregnated foam draught proofing Figure 6a: Mechanical fixings at bay level (vertical cross-section) 1 - Vertical post 2 – Reinforcement post 3 – Mechanical fixing 4 – Supporting panel 5 - Vapour barrier 6 – Horizontal batten 7 – Insulation between posts 8 – Interior facing 9 – Wood fibre panel 10 – Mesh 11 – Render system 12 – Water- and air-tight joint 13 – Woodwork Figure 6b: Mechanical fixings at bay level (horizontal cross-section) 18 7/12-1521
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