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ISOVIT FIBRAFLEX is a fibre reinforced fixing and levelling mortar formulated from mixed binders, selected aggregates and additions.

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4. 4 TECHNICAL DATA SHEET ISO VIT FIBRA FLEX F IXING AND LEVELLING WHITE MORTAR FOR EXTERNAL THERMAL INSULATION SYSTEM S 10 ISOVIT FIBRA FLEX EN 998 - 1 General (G ) purpose industrial mortar for fix ing of thermal insulation panels . Declaration of performance DOP. 13002 Being the conditions of applying our products out of our reach we do not take responsibility for its misuse. It is the customer’s duty to verify the suitability of the product for the intended purpose. In any case, our responsibility is limited to the value of the goods sup plied by us. The information contained in the present data sheet may be altered without prior notice. In case of doubt and if you need any further advice please contact our Technical Services . Revis ion of March 2019 FT 13 0 02 .01 EN

1. 1 TECHNICAL DATA SHEET ISO VIT FIBRA FLEX F IXING AND LEVELLING WHITE MORTAR FOR EXTERNAL THERMAL INSULATION SYSTEM S 1. DESCRI PTION ISOVIT FIBRA FLEX is a fibre reinforced f i xing and l evelling mortar formulated from mixed binders, selected aggregates and additions . 2. FIELD OF USE ISOVIT FIBRAFLEX is s pecial ly designed for fixing and l evelling of EPS, XPS panels without film , mineral wool and expanded a g glomera te cork boards in thermal insulation systems on e xterior , on masonry substrate s, cement block, thermal insulation panels and /o r hydraulic base substrate s, such as concrete and renders, as well as wooden substrate s . ISOVIT FIBRAFLEX is suitable for the renova tion of the thermal i n s u la tion of painted or ceramic coated facades, since it allows the fix ing of external insulation systems directly on this type of substrate s with the addition of mechanical fixings – ISOVIT BUCHA . For non - current uses or on particular substrate s, we advise you to contact our Technical - Commercial Services . 3. PRODUCT CHARACTERISTICS C haracteristic s Val ue Standard Co lou r White - Granulometry < 1 mm - Paste product Val ue Standard Mixing water 2 4 ,5 % ± 1 ,0 % - Theoretical consumption 4 to 6 kg/m 2 - Fix ing 1, 6 kg/m 2 /m m - Regularization - Hardened Product Val ue Standard Flexural strength ≥ 4,5 MPa EN 1015 - 11 Compressive strength ≥ 10 MPa EN 1015 - 11 Adhesion to brick / Mode of fracture ≥ 0,8 MPa / A and B EN 1015 - 12 Ad h e sion to the i n s u la tion panel (EPS; XPS; ICB) Break within the i n s u la tion - Density 135 0 ± 150 kg/m 3 EN 1015 - 10

2. 2 TECHNICAL DATA SHEET ISO VIT FIBRA FLEX F IXING AND LEVELLING WHITE MORTAR FOR EXTERNAL THERMAL INSULATION SYSTEM S Capil larity Class W2 EN 1015 - 18 Permeability to water vapour ≤ 15 μ EN 1015 - 19 Rea ction to fire Class A1 EN 998 - 1 Thermal Conductivity 0,45 W/(m. o C) (P=50%) NP EN 1745 4. A P PLICA TION a) Substrate preparation Substrate s should be hardened , free from dust, release agents, loose or u nstable materials, efflorescence, as well as from any type of material which affects normal adhesion conditions . Substrate s should be l evelled , checking with a two - meter ruler that there are no irregularities greater than 1 cm. Otherwise substrate s should be l evelled with REDUR MAX FORCE render . Pre - applied renders should have a "trowelled" texture and a cure of about 28 days, protected from bad weather. For applications on painted substrate s , there should be sufficient ad h e sion to withstand the new coati ng. If the substrate is an old ceramic coating , it must be sturdy and f lat and all pieces must have good ad h e sion to the substrate . If this is not the case, remove the loose parts and l evel the coating. If necessary, wash the substrate with suitable detergents in order to remove accumulated d irt and residues on the surface . b) Mixture preparation ISOVIT FIBRAFLEX should be p repared by mixing 5,5 to 6,5 litre s of clean water ( preferably drinkable ) p e r bag of produ ct , using an electric mixer , until a homogeneous paste is obtained . c) A p plica tion  A dhesion on masonry and uneven substrate s ( unevenness greater than 1 cm p er 2 metre s) Fix the panels laying a string of conti nuo us mortar around the perimeter , a dding at least t hree fix ing points in the middle of it . Provide for mechanical fixing with ISOVIT BUCHA ( recommended minimum – 6 un/m²).  A dhesion on regular render or concrete surfaces S imple continuou s a dhesion should be carried out by using a 10 mm toothed trowel , prefer ably laying the mortar on the back of the panels . Provide for mechanical fixing with ISOVIT BUCHA ( recommended minimum – 6 un/m²).  Fix ing r eco m menda tions Fix ing procedures should ensure surface uniformity, levelling and non - spacing of the panels , without joint openings and ensuring t hat there is no mortar left in between .  L evelling A pply ISOVIT FIBRAFLEX mortar onto the surface of the i nsu la tion panels , conveniently arranged and adherent to the substrate . Ap p l y the first layer with notched trowel and , im mediat ely , embed a glass fibre mesh with c haracteristic s appropriate to the ap plica tion – ISOVIT REDE 160/343 . The second layer should be applied over the first one to give the surfaces the flatness necessary to receive the final finish .

3. 3 TECHNICAL DATA SHEET ISO VIT FIBRA FLEX F IXING AND LEVELLING WHITE MORTAR FOR EXTERNAL THERMAL INSULATION SYSTEM S d) Restri ctions ISOVIT FIBRAFLEX should not be applied at room and substrate temperatures below 5 ºC and above 30 ºC. In case of strong winds, ap plica tion may cause mortar cracking . I n such case, walls should be protected so as to minimize the effects of wind action . e) Complementary Advices Do not use ISOVIT FIBRAFLEX for filling joints between insulation panels . No mortar that has exceeded it s open time should be applied . Do not soften mortars by adding water after preparation . Do not add any other products to the mortar. ISOVIT FIBRAFLEX s hould be applied as it is shown in its original packaging . The mixing water must be free of any impurities (clays, organic matter) and drinking water should be preferably used . Do not apply on horizonta l surfaces or with a tilt of less than 45º. Prote ct the top edges of the coating from rainwater . 5. PACKAGING AND VALIDITY Packaging 25 kg paper bags in plasticized pallets of 6 0 /48 bags . Valid ity 12 months provided the conditions of the original packaging remain unaltered and in good storage conditions, protected from extreme temperature and humidity . 6. HEALTH AND SAFETY (DOES NOT REPLACE CONSULTATION OF THE PRODUCT SAFETY DATA SHEET )  Irritating to eyes, respiratory system and skin ;  May cause sensitization in contact with skin ;  Do not breathe dust ;  Avoid contact with skin and eyes ;  If it comes in contact with eyes, rinse immediately and thoroughly with water and seek a specialist advice ;  Use protective clothing and appropriate gloves ;  Keep out of children’s reach .


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