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FT.03001.02 EN REABILITA CAL CS

REABILITA CAL CS is a dry mortar, exclusively formulated from Natural Hydraulic Lime. It incorporates carefully selected siliceous and calcareous aggregates and additions. It is intended for the consolidation and stabilization of old friable substrates and regulation of water absorption before the application of the new coating. It has particular properties of thixotropy, adhesion, chemical resistance and durability particularly adapted to the intended purpose. It is a product intended for manual application.

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1. 1 TECHNICAL DATA SHEET REABILITA CAL CS NATURAL HYDRAULI C LIME CONSOLIDATION MORTAR FOR OLD MASONRIES 1. DESCRI PTION REABILITA CAL CS is a dry mortar , exclusively formulated from Natural Hydraulic Lime . I t i ncorpora tes carefully selected siliceous and calcareous aggregates and additions . It is intended for the consolidation and stabilization of old friable s ubstrates and regulation of water absorption before the application of the new coating. It has particular properties of thixotropy, adhesion, chemical resistance and durability particularly adapted to the intended purpose . It is a product intended for manu al application . 2. FIELD OF USE REABILITA CAL CS is used over old masonry surfaces in renova tion systems as consolida tion layer for substrate stabiliza tion and homogeniza tion . A lternativ ely, it may also be used when roughcast is needed on low absor ption subs trate s and/ o r needing water absorption regula tion . The exclusive use of the Natural Hydraulic Lime binder and its special composi tion result s in an exce l lent compatibili ty with the old substrate s, where not only the physical and mechanical compatibility s tands out but also the high chemical compatibility . 3. PRODUCT CHARACTERISTICS Powdered product Val ue Standard Granulometry < 3,5 mm - Paste product Value Standard Mixing water 1 4 ,0 ± 1,0 % (CONSOLIDA TION ) - Theoretical consumption 18 ,0 kg/m2/cm - Hardened Product Val ue Standard Compressive strength Class CS II EN 1015 - 11 Adhesion to brick and block / Mode of fracture ≥ 0,2 MPa / B EN 1015 - 12 Mo dul us of elasticity 5250 0 - 575 0 N/mm2 BS 1881 - 5

2. 2 TECHNICAL DATA SHEET REABILITA CAL CS NATURAL HYDRAULI C LIME CONSOLIDATION MORTAR FOR OLD MASONRIES Density 185 0 ± 150 kg/m3 EN 1015 - 10 Capil l ari ty (24h) ≥ 0,3 kg/m2 EN 1015 - 18 Permeability to water vapour μ ≤ 15 EN 1015 - 19 Water p enetra tion after capi l lari ty test < 5,0 mm E N 1015 - 18 Reaction to fire Class A1 EN 988 - 1 Thermal conductivity 1 , 1 1 W/(m.K) (P=50%) NP EN 1745 4. A P PLICA TION a) Substrate preparation First of all, complete removal of old renders should be carried out leaving the wall clear . The most appropriate r emoval methodologies should be used so as not to damage the existing wall. After removal, the substrate must be cleaned, brushing the stone and / or ceramic elements with wire brush in order to obtain a good adhesion surface for the new mortars . b) Mortar p r epara tion REABILITA CAL CS should be mixed in a continuous product mixing equipment. In machines with automatic water dosing, adjust the minimum water flow to allow good workability . In machines without automatic water dosing, mix REABILITA CAL CS , in the propor tion of 3,0 to 3,5 litre s of water per 25 - kg bag to obt ain the appropriate consist ency for consolida tion and levelling . c) A p plica tion A fter mixing , REABILITA CAL CS should be a p pli ed manual ly with a trowel pressing on the substrate in order to promote a good adhesion to it. d) Consolida tion and levelling REABILITA CAL CS should be ap pli ed so as to fill cavi tie s and any masonry imperfe ctions . This mortar layer is not intended to have a levelling fun ction and so, the contours of masonry elements may be seen at this stage . While this mortar layer is fresh, a square - mesh glass fib re should be incorporated , with ab out 40x40 mm apertures , with anti - alkali treatment , being embedded in the mortar by using the back of the trowel .

3. 3 TECHNICAL DATA SHEET REABILITA CAL CS NATURAL HYDRAULI C LIME CONSOLIDATION MORTAR FOR OLD MASONRIES If needed , an initial filling of ma sonry cavi ties should be carried out with tile fragment s i nvolv ed in REABILITA CAL CS o r stone por tion s similar to the masonry type resulting from grinding . Seeing that there are specific situa tion s in each rehabilitation work, our Technical Services shoul d be consulted when selecting products . A fter applying REABILITA CAL CS , a 4 - day minimum waiting time should be considered prior to the ap plica tion of REABILITA CAL RB o r another compatible coating . e) Restri ction s REABILITA CAL CS should not be ap pli ed a t r oom and substrate temperatur es below 5 °C and above 30 °C. It has a curing time of 28 d ays . In hot and/or dry weather or when substrate s are directly exposed to sunlight , the substrate should be previously wetted and application should only be started when it is dry . Under these condi tions daily watering of the surfaces should be carried out , for one week , so as to keep renders permanent ly moist . Application in the presence of strong winds may cause render cracking. In such case, walls should be protected s o as to minimize the effects of wind action . f) Complementary Advices  The mixing water should be free of any impurities (clays, organic matter) and drinking water should be preferably used ;  No mortar that has exceeded its open time should be applied . Do no t soften mortars by adding water after preparation.  Do not add any other products to the mortar . REABILITA CAL CS should be applied as it is shown in its original packaging . 5. PACKAGING AND VALIDITY Packaging 25 kg paper bags in plasticized pallets o f 60 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 .

4. 4 TECHNICAL DATA SHEET REABILITA CAL CS NATURAL HYDRAULI C LIME CONSOLIDATION MORTAR FOR OLD MASONRIES 6. HEALTH AND SAFETY ( DOES NOT REPLACE CONSULTATION OF THE PRODUCT SAFETY DA TA 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 specia list advice ;  Use protective clothing and appropriate gloves ;  Keep out of children’s reach . 11 REABILITA CAL CS EN 998 - 1 General purpose (GP) render mortar for indoor and outdoor ap plica tion . Declaration of performance DOP.03001 Being the condition s 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 p lied 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 fur ther advice please contact our Technical Services . Revis ion of Jan uary 2019 FT . 0 30 0 1 .02 EN

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